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  1. Transmission Coolers
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  6. With 11/32 Inch Hose Barb Inlets
Derale Series 8000 Plate-Fin Transmission Cooler Kit w/Barb Inlets - Class IV - Efficient

Derale Series 8000 Plate-Fin Transmission Cooler Kit w/Barb Inlets - Class IV - Efficient

Item # D13504
Our Price: $74.99
Transmission Coolers

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11" Wide x 12" tall x 7/8" deep, efficient heat exchanger will prolong the life of your transmission and improve its overall performance. Specifically designed for vehicles with late-model, electronic overdrive transmissions. Great Prices for the best transmission coolers from Derale. Derale Series 8000 Plate-Fin Transmission Cooler Kit w/Barb Inlets - Class IV - Efficient part number D13504 can be ordered online at or call 1-800-940-8924 for expert service.
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Derale Transmission Coolers - D13504

  • Plate-Fin Cooler
  • Full-Size Truck
  • SUV
  • With 11/32 Inch Hose Barb Inlets
  • Standard Mount
  • 11W x 12T x 7/8D Inch
  • Derale

11" Wide x 12" tall x 7/8" deep, efficient heat exchanger will prolong the life of your transmission and improve its overall performance. Specifically designed for vehicles with late-model, electronic overdrive transmissions.


  • Prolongs life of transmission
  • Improves overall performance
  • Prevents heat-related failures
  • Has furnace-brazed aluminum construction and 3/4" wide turbulator plates for more efficient cooling
  • Includes complete mounting kit, OEM spec hose with stainless steel clamps and Insta-dapt radiator adapter
  • Recommended for full-size trucks and SUVs


  • Inlets: 11/32" hose barb
  • Overall dimensions: 11" wide x 12" tall x 7/8" deep
  • Distance between inlets: 10-1/4"
  • Mounting dimensions: 10-1/2" tall by either 5-1/4" or 6-3/4" wide
  • 1-Year warranty

Note: The Derale Insta-dapt radiator adapter fits most vehicles with 5/16" transmission lines, but not all. In some cases, additional fittings or alteration of the OEM lines or hoses may be required for installation.

One of the more popular cooling systems available, the radiator-style, plate-and-fin heat exchanger provides increased surface area so that fluids can spread out along the finned chambers to cool faster. In addition to the increased surface area, this cooler also features turbulator technology, whereby fluids are agitated continuously, not only to facilitate heat transfer, but also to prevent any undesirable drop in pressure.


13504 Derale Series 8000 Plate and Fin Heat Exchanger with Installation Kit
Hidden Hitch # HH41311
Hayden Automotive # 679

Installation Details D13504 Installation instructions

This Product Fits The Following Vehicles

Customer Satisfaction Score:

Customer Reviews

Derale Series 8000 Plate-Fin Transmission Cooler Kit w/Barb Inlets - Class IV - Efficient - D13504

Average Customer Rating:  4.7 out of 5 stars   (816 Customer Reviews)

11" Wide x 12" tall x 7/8" deep, efficient heat exchanger will prolong the life of your transmission and improve its overall performance. Specifically designed for vehicles with late-model, electronic overdrive transmissions.

2008 Chevrolet Silverado

I installed the cooler last weekend in my 2008 Silverado. I've included some
I made a strap to support the upper portion of the cooler and thru bolted
the lower to the existing bracket.
The hood bracket lower bolts had to be cut down to 1/4" length so they would
not contact the cooler.
The lower mount bolts had to be spaced to give the hood mount weld nuts
Now to see how it does with a trailer and the Pacific Northwest hills.



Randy, could you please forward me pictures of your install? I have the exact truck and your pictures would be helpful.ThanksPaul

Patrick B.


We received Randys photos and they should be up later today. They will appear just below his original review.


Well constructed. Could use more hose for the install. I had to buy another length to install it. In the photo you can see I fabricated brackets for it so it would be able to get better airflow. Not noticing a real big difference in cooling but I’m anxious to see how it goes when I tow my 29 ft. TT with my 17 Suburban with a 5.3 ltr. I’ve been towing without one with no issues but any help in extending the life of the tranny is worth it.


Wil need additional hose and brackets for my install. Will get local but would have purchased if I knew they were needed

1996 Toyota T100 Pickup

I installed this on my Toyota 1996 T-100 3.4: I picked up a piece of universal hangar strap, 2-8mmX1.25 bolts & lockwashers at building supply; 3 gal tranny fluid (flushing system including torque converter), 4' extra hose & extra clamps @ auto supply. I first mounted flange to central member with a couple screws; then bent 17-1/2" of the strap to pass the AC line ( the holes for the two bolts actually lined up to the two factory threaded holes available!!PTL). From there it's almost a done deal; hookup the cooler to the return side out of the radiator and let a half gallon at a time pump out till you get new fluid: then make up your return hose to the steel return line. It's oversize but this is FLA and it pulls. Heat is death to transmission fluid; and then the transmission! Good project.

David H.


Truck sold to friend- heard no bad report. Thanks

2009 Chevrolet Silverado

09' silverado 1500 5.3
Temps are down
15 to 25 degrees on test drive, No trailer. 105* heat index city, highway, a.c running
75mph 169-171* (factory 185*+)
55mph 165*
City stops 159*-163*
Idle after drive for 10 min in Sun 149*

Trimmed factory grill mount and welded on tabs, to put back in factory location (no picture of finished grill mount by itself) used factory holes on upper grill hood latch assembly. Only fault is u need to remove trans cooler to unbolt grill mount, but it's just a grill mount.



A year later all is perfect. Reworked my hose connections just to make it better. I haul my race car and gear so maybe 6000lbs my trans Temps have not seen over 190* maybe running 85mph up hill in 3rd gear for extended time it might hit 195* for a short time then after up shift it cools right back down on a hot humid summer day I plan to put a full aluminum radiator in to help just that much more.

Chevrolet Suburban

Great product, really helped keep my trans temp down. I deleted the thermal device on my suburban transmission (sorta like a thermostat) and coupled with this external cooler my trans runs an average of 50 degrees cooler when towing, sometimes more. Definitely worth it.

2012 Chevrolet Suburban

The hose that came in the kit was about a foot too short and should be 3/8 id. I had to source my own longer 3/8 transmission cooler hose. Other than that, the quality of the cooler appears to be good.



Cooler works well. Trans temp is noticeably cooler when towing.

Etrailer Expert

Mike L.


@Scott Great to hear that! We're glad the Derale # D13504 transmission cooler is working well for you.

2010 Chevrolet Colorado

I recently had the chance to use the Derale 8000 series transmission cooler during my last camping trip and was very impressed. I have a 2001 7.3 Powerstroke with 4" exhaust, S&B intake, gauges and a DP Tuner (60hp tow). I pull a 10,000 pound 5th wheel around Colorado. It seems like every where I pull in Colorado is up hill. It was common to see my transmission temp easily and quickly reaching 210-220 when towing mountain passes. Just before my last trip I installed the Derale cooler and the highest trans temp I saw was 190 at the top of Wilkerson Pass. What is more impressive was how quickly the temp dropped as I came out of the pass. For most of my trip my trans temp stayed around 180. While pulling in the city I saw temps around 200 which I assume was due to stop and go driving and not having the constant airflow through the cooler.

I installed the cooler right behind the stock front grill to the vertical post with self tapping screws (the grill still fits perfectly). I then used two thin strips of metal that I got from the hardware store and secured them to the cooler and to the second vertical post. I wanted the cooler in the front of my truck to get maximum airflow. I then spray painted the metal strips black just for looks. I did have to buy an additional 4' of hose due to the location where I mounted the cooler. The optional instal kit was simple. The adaptors screwed in my radiator with no problem at all. Once I decided to mount the cooler the entire project was quick and simple.

2009 Dodge Journey

2009 GMC Yukon XL towing a 7,800lb travel trailer from California to South Carolina.....
I don't believe the Yukon would have made this journey if it wasn't for the additional transmission cooler and engine oil cooler. Dragging the travel trailer through the mountains during the heat of the summer was taxing. However, my transmission never got above 190 F when it was over 100 F outside. Before installing the oil cooler AND transmission cooler, my engine temp would go to the 1-2 o'clock position and transmission temp would get up to 210 F. Highly recommend this product.

2014 Chevrolet Silverado 1500

So far, no difference in temps running around town. Temps quickly ran up to 192 in low 90 degree weather. Not seeing the temp differences that others have posted about. 2014 Silverado 1500. True test comes tomorrow when I pull my 25ft travel trailer across country. Usually stays around 192 except in stop/start traffic. Then temps climb to 208 0r higher. This is why I bought this. And local repair shop charged me $474 to install it. Lot of money for no difference.

Etrailer Expert

Jenny N.


I see from the cooler that you have installed that you should be seeing a reduction in temperature. I wanted to ask you where you have the cooler installed? If you have room, the best place to have it is to mount it in front of the trucks grille and the AC condenser core. It the best place to get the most air, however you can also mount it between the condenser and the radiator. There is less air flow, however the size of the cooler can make up for that. I also wondered how it performed when you went cross country.

2016 Chevrolet Silverado 1500

Package arrived a day earlier than expected. Will be a week or two before installation. Products appear to be of great quality. Looking forward to installing the cooler.

2013 Chevrolet Colorado

Hello Gang, I have a 2013 Chevy suburban and tow a 7K plus travel trailer. While we were towing to Colorado near Cripple Creek the temps were low 90's and my trans spiked at 230. Had to pull over to let it cool down. Now keep in mind my suburban does not have a HD trans cooler just the stock radiator cooler. Fast forward one year now my stock trans line is starting to leak from the rubber hose so it's time to change. Decided to order the larger trans cooler might not have been the best idea as it's larger then where I wanted to put it. So after taking off the front bumper, headlights misc brackets and lots of bolts I was able to get it up behind the "A" frame bracket in front of the radiator. Make sure if you go this route to put the rubber hoses and clamps on before installing because you will not be able to install the hose after. The bracket the holds the hood latch has openings that just happen to line up with the inside bolt holes on the cooler. Hoses facing down You will need to cut the bottom of the plastic out of the way to route the hoses under the frame. Cutting the original trans cooler line was easy and the rubber hose was long enough to make both connections so I did not need the adapter. If I used the adapter the rubber hose would be too short. On the bottom I used the foam pads between the cooler and the frame and secured it with heavy duty Zip ties. Can't wait to test it out this summer. I forgot to take pictures of the final install but did take one picture showing the "A" frame in the middle of the radiator. It fit's perfectly behind it.

2011 Toyota Tundra

Install went great, happy with result. This will be good for towing.

2009 GMC Yukon

I installed this trans cooler on my 2009 Yukon. The installation video really made it much easier. I just pulled my boat under the same conditions I had prior to the install and I am very pleased with the results. Prior to mod, my trans temp got up to 204 degrees. With cooler, it was 160-165.

2008 GMC Acadia

Great value for the price and free shipping, package arrived on schedule, was packed extremely well, (I would know, retired Postal mail carrier), Derale 13504 transmission cooler was exactly what was described should work well for me to tow a 3500lb travel trailer with my 2008 GMC Acadia. Will be installing the cooler this week. This definitely should keep my transmission from over heating, it's rated somewhete at 22500 GVW. My vehicle and travel trailer CGVW is approximately 9000 lbs.

Louis L.


The Derale 13504 has kept my transmission from over heating, have towed my travel trailer over 3600 miles no problems with transmission over heating in my 2008 Acadia SLT. Will be installing a auxiliary fan in front of my radiator to assist when in towing this summer. .


We have been very happy with the performance of the transmission cooler. There was a significant drop in transmission temperature after replacing the stock cooler with your product when pulling our camper. Very easy to install on our Chevy pickup.



No issues. Transmission staying cooler under a load.

2014 Chevrolet Silverado 1500

The installation was not too bad. Make sure you order the correct adapter. The adapter it comes with is universal so I had to order a GM adapter after I started the installation. It mounted really clean on my 2014 Silverado. Worth the money for late model GM’S to keep the transmission heat down.


Went together easy, works as advertised. Mounted front and center for most efficient cooling capacity and it does the trick. Dropped my trans temp by 40F without a trailer. Have yet to put it to the test with a heavy trailer long distances.

2011 GMC Yukon

Quality product and a great installation video on youtube by etrialer. Dropped the trans temps an avg of 30 degrees on my 11 yukon. Make sure to watch the video and order each part number listed for an easy install!

1999 Chevrolet Silverado 1500

I’ve had the Timbren suspension enhancement system for a year now on my ‘99 Dodge 1500 4x4. I purchased this product because I had to tow my bumper pull three horse trailer from South Carolina to N. Central Montana. With a camper top, the bed loaded and the trailer loaded the truck sagged really bad. With the Timbrens on the sag went away completely. Making for a much safer less stressful experience while towing.

2004 Chevrolet Avalanche

Fits and works excellent made my own brackets to fit across


Everything was included to do this simple upgrade. This was the perfect size for my application. The included hose was the perfect amount but, I would have been more comfortable if I had more.


Muy bueno lo recomendable mi yukon 2008 se calentaba el aceite a 220 con este me llega máximo 170 grados un remolque de 5000 libra

Translate [ Very good, what is recommended, my yukon 2008 heated the oil to 220 with this a maximum of 170 degrees reaches a 5000 pound trailer ]


Installed this in my 2008 Avalanche, utilizing the following kit:
D13504 - This cooler
D13002 - Mounts
D13003 - Extra hose
D13035 - GM adapter

Everything went well, took the longest time just figuring how I wanted it mounted in the front to make me happy, second to the time spent was of course removing the front fascia of the car. Once I got it in place the only extra things I needed were some P-clips for hose mounting, some split loom and zip ties(my necessity to prevent chafing ever). The GM adapter went in fine, was a bit leery of how 'loose' it felt even after being clipped in, it does move in and out about a 1/4" but this is normal and no leaks present, just make sure the clip retains the adapter. Pushing the new hose on the old hard line that went to the radiator is a bit of a bear, use lube on all your hose barbed ends to ensure easy insertion. Also when mounting the cooler, some screws were attached to the bracing of the car, pre-drilling those holes with a small bit helps tremendously, rather than risk trying to drive a self tapper in with force, slipping and putting a hole in your condenser.
After install, transmission is running about 30-40 degrees cooler in normal city driving, will test to see how it does with a tow load. Under towing I would get up to just shy of 220 degrees in the Florida heat, hoping to see it stay below 190 under load.



After a year still keeping things cool, have had absolutely zero issues, put about 5,000 miles on since the install. Have taken our camper around and this has kept everything under 200 degrees even when towing up grade, as well as when the transmission unlocking the converter adding all that heat to the fluid. So Id say worth it, everyone should do this even on a lightly used truck that doesnt tow necessarily, its a cheap way to save the wear on your transmission and everything below 200 degrees is a good thing.


I received the cooler on time and in fine condition. The factory box was well packed and all items were enclosed. I mounted the cooler using flat aluminum bar stock so I could leave a one inch space between the cooler and the front of the A/C condenser as I feel this will give me maximum transmission oil cooling. I used this product to replace a tube and fin cooler which was not doing the job even when not towing my trailers. I have not towed with this cooler yet but due to its construction I feel it will greatly reduce my transmission oil temperatures.
Walt 9-22-2018

Walter L.


I have been towing my inboard boat all summer and the cooler is doing a great job which I can tell because I have a transmission temperature gauge. The hottest it ever gets is 205 degrees when going uphill.

Show More Reviews

See what our Experts say about this Derale Transmission Coolers

  • Will Derale 8000 Series Transmission Cooler Fit a 2007 Toyota Tundra
    Transmission coolers are not custom fit items. The only way to tell if it will fit your Tundra is to measure where you want to mount the cooler and see if you have the space. The dimensions of the cooler are 11 inches wide, 12 inches tall and 7/8 inch deep. I assume you meant 6,000 pounds and not 60,000 pounds. At 6,000 pounds, this cooler would provide more than enough cooling for your transmission. You could probably use smaller coolers like part # D13503 to save some space since 6,000...
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  • How to Install a Transmission Cooler on a 2008 GMC Yukon XL
    If you take a look at the attached install video on a similar 2009 GMC Yukon XL. You will see that the line that attaches to the upper right hand corner (passengers side) of the radiator is the return line and will be used to install the Derale Series 8000 Plate-Fin Transmission Cooler Kit part # D13504. However, it is always good practice to start the vehicle and let it warm then grab each of the transmission lines that go to the transmission. The colder of the two lines will be the return...
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  • Recommended Transmission Cooler for 2012 GMC Yukon
    The Flex-a-Lite FLX4126 will work for your 2012 GMC Yukon and comes with the necessary parts needed for installation, though there is a better option I recommend you. The Derale # D13504 is a plate-and-fin style cooler, which is a more efficient option than the tube-and-fin style that the Flex-a-lite is. The difference is that the plate-and-fin style cools better because smaller and flatter plates allow more fluid to be cooled. Additionally, the bigger the transmission cooler the better,...
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  • Larger Transmission Cooler Recommendation for 2014 Ford F-150 3.5 liter Ecoboost
    For a full size truck like yours you could fit one of our bigger coolers like the part # D13504 which measures 11" wide x 12" tall x 7/8" deep. This will do an excellent job keeping your transmission fluid cool which will prolong the life of it for a long time.
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  • Recommended Transmission Cooler For 2015 Ram 1500 Pulling a 6,000LB Travel Trailer
    I recommend the Derale Series 8000 Plate-Fin Transmission Cooler Kit # D13503 for towing your 6,000lb travel trailer with your 2015 Ram 1500 that has the 5.7L Hemi. This is a class III transmission cooler and is sized to work well with trailers that fall into a class III rating which is between 3,500lbs and 8,000lbs. If you anticipate hauling trailers larger than that or live in a region that is very hot you can move up to the larger Derale Series 8000 Plate-Fin Transmission Cooler Kit...
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  • Do I Need Any Additional Parts To Mount The Derale Transmisson Cooler On My 2015 Ram 1500
    The Derale Series 8000 Plate-Fin Transmission Cooler # D13504 is designed to connect to the factory transmission lines on your 2015 Ram 1500. I checked and you have 3/8" lines on your Ram so you may need an adapter as the included hose fits on 11/32" barbed inlets. I have had luck leaving the hose in the warm sun to heat up making it more flexible and it allowed it to slide onto the slightly larger lines with no issue. I recommend measuring the return line on your Ram where you intend...
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  • Transmission Cooler Recommendation for a 2004 Chevy Tahoe with 5.3 Liter Engine
    I recommend installing a transmission cooler to supplement, not replace, the factory cooler on your 2004 Chevy Tahoe. You will get better performance by adding a cooler rather than replacing one. On your Tahoe, you may also need the correct fitting, # D13035, to properly install a cooler. The coolers themselves are not vehicle specific, so you can use # D13504 that you have referenced. The cooler comes with all the parts needed for installation. I have included a link to a video review...
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  • Finding Return Line on Toyota Tundra to Install Derale Transmission Cooler
    When installing the Derale Series 8000 Plate-Fin Transmission Cooler Kit # D13504 you can identify the return line on your Tundra by first starting the truck and putting the transmission in drive for about 10 seconds. Then put the truck in park and turn the ignition off. With the truck off you will then just want to feel both the transmission lines. The cooler of the two lines is your return line which is what you will use to install the cooler.
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    The best option for a transmission cooler for your 2015 GMC Sierra 1500 with a 6.2L engine is the 8000 Series from Derale: - Derale Series 8000 Plate-Fin Transmission Cooler # D13504 The reason I like this cooler the most for your truck is due to how efficient it is; the # D13504 is a plate-and-fin cooler, which means it uses smaller plates that cover more area than other coolers in order to agitate transmission fluid. Because you cannot over-cool fluids, the rule of thumb with transmission...
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  • Recommended Transmission Cooler for 2007 Chevy SIlverado 1500 with 6.0L V8
    On your 2007 GMC Sierra 1500 with 6.0L, we don't recommend replacing the factory transmission cooler unless you have to based on space but rather adding another inline cooler with it to further cool your transmission. I recommend the Derale Series 8000 Plate-Fin Transmission Cooler Kit w/Barb Inlets - Class IV - Efficient # D13504 along with the Derale Snap-In Radiator Adapter Fitting for GM # D13035.
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  • Transmission Cooler Recommendation for 2016 Chevy Silverado 1500 with 5.3 liter Engine
    You will want to go with the biggest transmission cooler you can fit in front of the radiator of your 2016 Chevy Silverado 1500. Your transmission will be put through quite a bit of stress with that heavy of a trailer in the mountains. For your truck we normally recommend the Derale transmission cooler part # D13504 which is 11" Wide x 12" tall x 7/8" deep and the plate-fin design which is very efficient. This would be a great option that will do a great job keeping your transmission temperatures...
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  • Recommended Transmission Cooler for a 2004 Honda Pilot and 2006 Chevy Avalanche
    The Derale Series 8000 Plate-Fin Transmission Cooler Kit would be more than enough for your 2004 Honda Pilot and 2006 Chevy Avalanche. For your Pilot I recommend using part # D13503 which is 11" wide x 8-3/4" tall x 7/8" deep and for your Avalanche I recommend using part # D13504 which is slightly larger at 11" wide x 12" tall x 7/8" deep. Either of these options will work well for you and provide your vehicle with adequate transmission fluid cooling. However, in order to install a transmission...
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  • Replacing Transmission Cooler on 1996 Dodge Ram, Should Rubber Lines be Replaced as Well
    Now would be a good time to go ahead and replace the lines of your transmission cooler if you are replacing the cooler. May as well do it while you are there since the rubber lines aren't expensive. It's pretty rare that the rubber lines fail, but I did have one develop a leak on my car from wearing on a sharp corner for an extended period of time. The part # D13504 would be an excellent choice for a cooler as this is a larger cooler that would efficiently cool the fluid of your truck....
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    We do not offer a fitting similar to what you have on your 2005 Ford F-150 that would allow you to simply press in to the radiator and clip in. You might need to cut and flare the hard lines of the transmission return lines to install the Derale Series 8000 Plate-Fin Transmission Cooler Kit w/Barb Inlets # D13504. I attached a review video, install video, plus an FAQ on transmission cooler for you to check out as well.
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  • Mounting a Supplemental Transmission Cooler on a 2003 GMC Yukon or 2004 Chevy Tahoe
    The top of the cooler # D13504 is not attached to anything because for this application it didn't need to be. But if you perform a similar installation you would just use the button fasteners that are included. They are similar to wire ties and will go through the cooler and the condenser and/or radiator behind the cooler and fasten around the back. Take a look at the video linked to the right. Fast forward to about the 3 minute and 10 second mark where he talks about the fasteners. I have...
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  • Transmission Cooler for a 2015 GMC Acadia Towing a 3,600 lb. Trailer
    The Derale Series 9000 Plate-Fin Transmission Cooler # D13611 will work to cool down your transmission while towing your 3,600 lb. trailer. But, it would be borderline whether it was sufficient enough or not. You can not cool your transmission too much and for that reason I would recommend going up to the bigger Derale Series 8000 Plate-Fin Transmission Cooler # D13504.
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  • Transmission Cooler Recommendation for a 2005 Dodge Ram 1500
    Transmission cooler # D13504 will be a great addition to your 2005 Dodge Ram 1500. When adding a cooler it will work as a supplement to the factory cooler. The flow of the fluid will go from the transmission, to the factory cooler, from the factory cooler to the aftermarket cooler, and from the aftermarket cooler back to the transmission. This is the most efficient path and offers the most cooling. I have linked a video review of this cooler for you and a link to our help article on coolers.
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  • Which Transmission Cooler is Best Choice for 2010 GMC Yukon
    If you're comparing two Derale Coolers that use the same construction, like the Plate-Fin style # D13503 and # D13504, the larger the cooler is, the greater the surface area the heat exchanger has to dissipate heat. We usually recommend folks get the largest available cooler that will fit into the space available in the engine compartment. The most efficient spot to install the cooler is directly behind the grille in front of the radiator. Since different vehicles have different front...
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  • Transmission Cooler Recommendation for 2010 GMC Sierra 1500
    In most cases the factory transmission cooler is adequate at best for normal use of a truck. For your 2010 GMC Sierra 1500 I would highly recommend you add a supplemental cooler like the # D13504. You will also want the snap-in fitting part # D13035 to make the install easier as well. I attached an install video that shows the cooler mentioned being installed in a similar full size GM SUV for you to check out as well.
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  • Is Transmission Cooler Separate Using Derale Transmission Cooler D13504
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  • Recommended Transmission Cooler For 2010 GMC Sierra Denali 6.2L V8
    For your 2010 GMC Sierra Denali 6.2L V8, I recommend the Derale Series 8000 Plate-Fin Transmission Cooler Kit w/Barb Inlets - Class IV - Efficient # D13504. This cooler is a plate-fin style which allows for greater heat dissipation without compromising unit strength. It has furnace-brazed aluminum construction and 3/4inch wide turbulator plates for more effecient cooling. You will need the 2010 GMC Sierra Derale Snap-In Radiator Adapter Fitting for GM, # D13035 for this installation...
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  • Recommendation of Transmission Cooler for 2009 Chevrolet Silverado 1500 Towing a 6,000 Lb Trailer
    The Derale Series 8000 Plate-Fin Transmission Cooler Kit, part # D13504, is a Class IV cooler which means it is designed for vehicles that are towing up to 12,000 lbs. Since you will be towing a 6,000-lb travel trailer with your 2009 Chevrolet Silverado 1500, it would be a good decision to go with this Class IV transmission cooler added to the factory transmission cooler in your radiator. You will need to measure in front of your A/C condenser to find out if you have enough room to install...
    view full answer...
  • Is Derale Snap-In Radiator Adapter Fitting for GM Needed for 2017 Chevy Express 3500
    The Derale Series 8000 Plate-Fin Transmission Cooler Kit w/Barb Inlets - Class IV - Efficient # D13504 will in fact use the Derale Snap-In Radiator Adapter Fitting for GM # D13035. I reached out to my tech contact at Derale to confirm this fit. You won't need any other parts for that installation.
    view full answer...
  • Comparison of Plate and Fin Style Transmission Coolers and Tube and Fin Style Transmission Coolers
    The difference between the plate and fin style, # D13504, and the tube and fin style cooler, # D12904, is that the plate and fin models can cool better than the tube and fin models. You will notice that plate and fin coolers with the same rating as tube and fin coolers are smaller in size. Basically, the plate and fin cooler provides more surface area to extract heat from the transmission oil and also has internal turbulator technology to help the oil to cool faster and prevent pressure...
    view full answer...

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