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  1. Transmission Coolers
  2. Derale
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  4. Heavy-Duty Truck
  5. With - 6 AN Inlets
  6. 13W x 10T x 5-5/8D Inch
Derale Hyper-Cool Remote Transmission Cooler Kit w/ Fan, -6 AN Inlets - Class V

Derale Hyper-Cool Remote Transmission Cooler Kit w/ Fan, -6 AN Inlets - Class V

Our Price: $283.57
Transmission Coolers

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13" Wide x 10" tall x 5-5/8" deep, fan-mounted, remote cooler has the most efficient type of heat exchanger core, a stacked plate, and a 500-CFM, reversible tornado fan to ensure optimum airflow. Great Prices for the best transmission coolers from Derale. Derale Hyper-Cool Remote Transmission Cooler Kit w/ Fan, -6 AN Inlets - Class V part number D13960 can be ordered online at or call 1-800-940-8924 for expert service.
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  • Reviews (16)
  • Q & A (0)
  • Photos

Derale Transmission Coolers

  • Remote Cooler
  • Heavy-Duty Truck
  • With - 6 AN Inlets
  • 13W x 10T x 5-5/8D Inch
  • Derale
  • Remote Mount

13" Wide x 10" tall x 5-5/8" deep, fan-mounted, remote cooler has the most efficient type of heat exchanger core, a stacked plate, and a 500-CFM, reversible tornado fan to ensure optimum airflow.


  • Improves performance and overall functioning of transmission
  • Has super-efficient, stacked-plate cooler core for optimum heat transfer
    • Most efficient cooling system with the large surface area of the stacked plate design and turbulator technology
    • Furnace-brazed aluminum construction for great heat dissipation
  • Offers superior airflow with 500-CFM, reversible tornado fan
  • Designed with clear, anodized aluminum shroud for additional durability
  • Mounts anywhere with aluminum mounting brackets
  • Includes:
    • Complete cooler assembly
    • Aluminum AN fittings
    • Brass hose-barb adapters
    • 180-Degree, in-line thermostat for power-saving fan shut-off
    • 10' OEM spec hose with stainless steel clamps
    • Additional compression fittings
    • All necessary mounting hardware
  • Made in the USA


  • Inlets: -6 AN
  • Adapters: -6 AN x 3/8" hose barb
  • Overall dimensions: 13" wide x 10" tall x 5-5/8" deep
  • Distance between inlets: 10"
  • Electric Fan Rating: 4.8 amps
  • Thermostat Switch Rating: Maximum of 15 continuous amps
  • Mounting dimensions: 7-1/2" wide x 9" tall
  • 1-Year warranty


Stacked-plate heat exchangers have long been considered the most effective type of oil or transmission coolers, primarily because of their increased surface area. Allowing fluid to spread out over this larger surface area decreases the time required for heat transfer to take place. As a result, plate coolers typically manage to cool a greater volume of fluid faster than tube-and-fin, or even plate-and-fin, varieties. Add to that a powerful tornado fan that ensures optimum airflow at all times, no matter the environment, and you have a super-efficient heat exchange unit.

13960 Derale Hyper-Cool Remote Transmission Cooler with Installation Kit

Item # D13960

Installation Details D13960 Installation instructions

This Product Fits The Following Vehicles

Customer Satisfaction Score:

Customer Reviews

Derale Hyper-Cool Remote Transmission Cooler Kit w/ Fan, -6 AN Inlets - Class V - D13960

Average Customer Rating:  4.8 out of 5 stars   (16 Customer Reviews)

13" Wide x 10" tall x 5-5/8" deep, fan-mounted, remote cooler has the most efficient type of heat exchanger core, a stacked plate, and a 500-CFM, reversible tornado fan to ensure optimum airflow.

2007 Ford F-150

Awesome product! Received it yesterday. Custom fabricated brackets for it to mount below my auxiliary trans cooler on my 07 fx4 f150. Installed the on off switch on out side of transmission and the fan works great!

2007 Toyota FJ Cruiser

Awesome remote transmission oil cooler. Attached at the rear under belly of a Toyota FJ Cruiser, 2007.

2010 Toyota Highlander

excellent quality product, I have intalled the fan/cooler on a toyota highlander 2010 without tow package not infront of the a/c radiator but exactly at the same place as toyota install the oem transmission cooler just behind the right fog light. I have a travel trailer of 3300 lbs dry, (4000lbs gross weight) and before my transmission temperature was around 215-220 F with a standard transmission cooler(without a fan) infront of the a/c radiator, but now with my new derale fan cooler, its around 180F after a long climb. I am totally satisfied. I had to build a bracket to fit the cooler in this tiny space behind the fog light, it took me 6-7 hours .


Mounted between fuel tank and transfer case. Larger 6.0 cooler would go in front of intercooler. Dont need anymore heat there. This was cheaper and works great in this position. Wrapped exhaust near the lines as they have to dump out on right side of trans. and I did not want any hard 90 degree turns with all this extra plumbing. Keeps temps way lower. Also installed oversize/cooler pan.
FYI using temp sensors in pan and in valve body. Pan is regularly 30 degrees cooler than valve body.


Easy install, and works as specified. Would put on future high performance vehicles


Have not installed it yet, but looks impressive! This this is like a beast cooler. Will be installing it this week before a long distance rv trip.

2015 Toyota Tacoma

Nice product


Great product and prices really awesome service


I was very impressed on quality and ruggedness. Its heavy and works great. This is a must in South Texas especially pulling a trail.


Love my engine oil cooler. I was having overheating problems with my Dodge truck while towing on a hot day. I asked the guys at etrailer if I should add a bigger radiator, and engine oil cooler or another tranny cooler. They nailed it when they recommended a supplemental engine oil cooler. I now can town my fifth wheel RV trailer on the hottest days and in the mountains without overheating. I do still have to watch the temps and if they start to get over 260 f or so I downshift a gear or two to get greater fluid flows. The only reason I am not giving this 5 stars is that with the supplied hose clamps I was plagued with constant slow leaks. I finally bought a much higher end hose Clamp which did solve the problem.


I was surprised at the lack of feedback on these products, and the differences in opinions. I tow a fare amount, between 7000lbs and 9500lbs. My vehicle is a 2013 Dodge Ram 1500 with the 8 speed transmission. ( outside temperature 20-30 deg Celsius ). Before I installed this engine cooler my temperature ran around 115 deg Celsius on a flat pull and 130 - 135 deg Celsius on most hills. After a hill it took a long time to drop in temperature, most time it hardly dropped. Now I rarely see 115 deg Celsius on a hill, and recovers to 100 deg Celsius very quickly. So in short I'm very happy with this product. I would recommend it to anyone that Tows.


Excellent product, quality parts and fittings for multiple installation platforms. Took about 4 hours to install but was a custom install under bed of truck.


Appears to be well-built and wasn't too hard to plumb in series with the existing oil cooler. Unfortunately with my 2010 Suburban it did not make any difference in the oil sump temperature shown by the computer - either daily driving or while towing. I plan on borrowing a laser thermometer to see what the actual input/output temps are.


Great product. Keeps transmission oil cool. Happy with my purchase


Arrived today. need to find time to install. Looks great. box was untaped but I think everything is here. It looks like a quality product. Excellent so far!


Easy install very high quality product.


See what our Experts say about this Derale Transmission Coolers

  • Fitting Adapter Needed to Install Remote Derale Transmission Cooler in 2004 Chevy Silverado
    The correct fitting for installing a Derale transmission cooler in your 2004 Chevy Silverado is the part # D13018 to install the Derale Hyper-Cool Remote Transmission Cooler # D13960. This cooler has a thermostat as well. You would want to route this from your current radiator's transmission cooler so that it goes through the factory cooler and then finally to this cooler. That is what the fitting allows you to easily do.
    view full answer...
  • How To Reduce Both Engine Oil and Transmission Fluid Temps On A 2005 GMC Sierra 2500 While Towing
    I have attached a list of parts that I recommend for your 2005 GMC Sierra 2500 to help with cooling both the engine oil and transmission fluid while towing. Derale Hyper-Cool Remote Transmission Cooler Kit part # D15960 Derale Hyper-Cool Remote Engine Cooler Kit part # D15660 Derale Snap-In Radiator Adapter Fitting part # D13035 Derale High-Temperature Replacement Hose part # D15799 Derale Stainless Steel Hose Clamps part # D13008 1/2" Barb to 1/2" Barb Union Fitting part (Local Auto...
    view full answer...
  • Transmission Cooler Recommendation for 2012 Ford F-150 EcoBoost
    A supplemental transmission cooler would be a great option for your 2012 Ford F-150 to keep the transmission fluid down like with the Derale part # D13503 which is a larger size and also a style that is very efficient.
    view full answer...
  • Derale Hyper-Cool Transmission Cooler D13960 Fittings For 2002 Jeep Grand Cherokee With 4.0 Engine
    There are different that fittings you will need for your 2002 Jeep Grand Cherokee with a 4.0L engine than the ones you mentioned in order to install the Derale Hyper-Cool Remote Transmission Cooler Kit # D13960. Your '02 Grand Cherokee should have a 3/8" rubber hose (though I do recommend verifying this), so what you will need instead is the Derale Radiator Adapter Fittings for Dodge and Jeep # D13028.
    view full answer...
  • Recommended Coolers with Remote Location Installation for Jeep Cherokee XJ
    The Derale Hyper-Cool Remote Engine Cooler Kit w/ Fan # D15660 for oil cooling can be mounted anywhere you have the space in your Jeep Cherokee XJ. The unit will be 13 x 10 x 5-5/8 inches total, so you simply need that space. The remote location with fan will allow mounting in any location with that space allotment as opposed to in front of or behind the radiator if a fan were not present. If you want a transmission cooler, I recommend the Derale Hyper-Cool Remote Transmission Cooler...
    view full answer...
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  • Replacing the OEM Transmission Cooler on a 2012 Jeep Grand Cherokee
    The transmission coolers that we have on our site are meant to be supplemental coolers, meaning they are meant to be installed on a vehicle that has a transmission cooler that is in good working order. That is why we only have videos of them being installed on the OEM part. We have had some reports of people using supplemental transmission coolers to replace their OEM cooler so if you do decide to replace your OEM cooler with a supplemental cooler then you will want to make sure that you...
    view full answer...
  • Can a Transmission Cooler be Used to Bypass the Radiator on a 32ft Motor Home
    I verified with my contact at Derale that the Derale Hyper-Cool Transmission Cooler, # D15960, will work to bypass your radiator and cool your transmission fluid. One important thing to consider when installing a transmission cooler is the size of your transmission lines. If the diameter of your transmission lines are 1/2 inch in diameter, then you will want to go with the transmission cooler that you referenced. If your transmission lines are 3/8 inch in diameter, then you will want the...
    view full answer...
  • Can You Run Larger Cooler Lines Into Smaller Openings?
    Generally speaking, you won't want to run a larger line into a smaller opening with an adapter because the difference will create a buildup of pressure that will likely cause the line to burst, but running a smaller inlet into a larger port is possible. I checked with Derale and they mentioned that running a smaller line into a larger port just means that not as much fluid is going to be pushed into the cooler and it will run less efficiently, but it won't damage the cooler. Derale does...
    view full answer...
  • Recommended Transmission Cooler Rubber Hose Diameter for a 2010 GMC Yukon with the 5.3L V8 Engine
    Yes, the -6 AN fitting on the Derale Hyper-Cool Remote Transmission Cooler Kit w/ Fan part # D13960 will work for your 2010 GMC Yukon with the 5.3L V8 engine. This cooler has a -6 AN x 3/8" hose barb fitting that will adapt the -6 AN for use with a 3/8" diameter rubber hose. The Derale Hyper-Cool Remote Engine Cooler Kit part # D15660 has a -8 AN x 1/2" hose barb fitting that will adapt the -8 AN for use with a 1/2" diameter rubber hose. Keep in mind that this kit is designed to cool...
    view full answer...
  • Rerouting Transmission Fluid from the Factory Radiator 2007 Nissan Pathfinder
    I do have a solution that will allow you to cool your 2007 Nissan Pathfinder's transmission fluid without running the risk of coolant leaking inside the transmission but unfortunately, the radiator will need to be replaced no matter which route you go. This is a fairly common problem on certain vehicles and can cause further harm to both the vehicle and transmission if not corrected. The easiest way to prevent any further mishaps would entail bypassing the factory radiator for transmission...
    view full answer...
  • Mounting Of Derale Hyper-Cool Remote Transmission Cooler Kit On 2002 Chevrolet Silverado 2500 HD
    I contacted our representative at Derale and he informed me that the Derale Hyper-Cool Remote Transmission Cooler Kit With Fan, part # D13960, can be amounted anywhere. Since it uses a fan for cooling, it is not necessary to use the radiator for cooling as the fan is strong enough to provide cooling power. It may be beneficial for more cooling efficiency if you can mount it in front of the radiator, behind the bumper, but it is not required. Transmission fluid cannot be cooled too much...
    view full answer...
  • Oil and Transmission Cooler Recommendation for 2014 Toyota FJ Cruiser For Off-Road Racing
    Since you want to cool both engine oil and transmission fluid for a demanding off-road racing application I suggest you go with two separate coolers rather than a dual-core combination cooler. My contact at Derale confirmed the best options for your FJ Cruiser are their # D13960 Class V fan-powered Hyper-Cool Remote Transmission Cooler and their # D15660 Hyper-Cool Remote Engine Cooler. Derale runs their own off-road racing events and my technical contact was very clear that for your...
    view full answer...
  • Selecting Installation Location for Derale Hyper-Cool Remote Transmission Cooler D13960
    Since transmission coolers are not vehicle-specific you'll want to compare the dimensions of the Derale Hyper-Cool # D13960 (13- wide x 10- tall x 5-5/8-inches deep) to the available mounting locations in your engine compartment. Flexibility in mounting point is one of the advantages of a fan-powered cooler. Since they don't rely on passive air flow for cooling they'll work effectively almost anywhere you can fit one. Coolers like this Derale Hyper-Cool are intended to supplement the OEM...
    view full answer...
  • Transmission Cooler Options for a 1996 Ford F-250 with 7.3 Liter Diesel Engine
    We currently have 6 transmission coolers that are recommended for your 1996 Ford F-250 with 7.3 liter diesel engine. I have included a link to them below. Even though the Derale Hyper-Cool Remote Transmission Cooler Kit with Fan, -6 AN Inlets - Class V, # D13960, is not on that list, transmission coolers are not technically vehicle specific, so you could install it on your truck with the proper sized fittings. The D13960 comes with -6 AN x 3/8 inch hose barb adapter and one of the recommended...
    view full answer...
  • Can Two 40 Row Derale Transmission Coolers be Used in Place of a Factory Cooler
    Yes! You can use 2 of the Derale 40-row coolers # D54008 to cool the transmission fluid on your prostreet car. The stacked plate design is the most efficient at cooling. To optimize cooling make sure the coolers are mounted where they can get the most air flow (right behind the grille). I also recommend a couple of mount kit # D50020 and some hose. For a 25 foot length with an inner diameter of 11/32" use # D13007. For 25 feet of a 3/8" diameter use # D13017. We also have a 4-pack of stainless...
    view full answer...
  • Transmission Cooler for 2005 Chevy Silverado 2500HD
    It's definitely not abnormal for your transmission fluid to heat up while towing, especially when you're going up hills that force the truck to work a lot harder. To help with this adding a transmission cooler like you mentioned is a great idea. For your 2005 Chevy Silverado 2500HD I highly recommend the Derale Hyper-Cool Remote Transmission Cooler Kit w/ Fan # D13960. This cooler will do a great job of improving the performance and function of your transmission with its reversible tornado...
    view full answer...
  • Recommended Transmission Cooler for 2011 GMC Sierra 5.3L
    For a fan-powered transmission fluid cooler for your 2011 GMC Sierra I recommend a high-efficiency Class V stacked-plate type remote cooler from Derale, their Hyper-Cool # D13960. You'll also use Snap-In Radiator Adapter Fitting # D13035. The Hyper-Cool measures 13- wide x 10- tall x 5-5/8-inches deep and it will draw a maximum of 4.8 amps. The Hyper-Cool offers a powerful 500-cubic-feet-per-minute air flow, and is reversible. All required mounting hardware is included. This cooler is USA-made.
    view full answer...
  • Recommended Transmission Cooler with a Fan for 2007 Nissan Frontier
    Our most popular transmission cooler with a fan is the Derale Hyper-Cool # D13960. This is a stacked-plate cooler which is the most efficient style available. It also uses a 500-CFM fan for airflow. You can mount it anywhere you have room in your engine compartment since there's no need for airflow. It's most common not to replace your factory cooler but to add an additional supplement cooler.
    view full answer...
  • Can the Factory Transmission Cooler on a 2005 Chevy Silverado 2500HD be Replaced with Remote Cooler
    It would be best to use a transmission cooler as a supplemental cooler to the factory transmission cooler. But if you have to bypass the factory cooler you will need to plug the input/output outlets at the radiator and use a remote cooler such as # D13960. I have included a link to the installation instructions for you.
    view full answer...
  • Transmission Cooler Recommendation for a 2003 Chevy Silverado 2500HD
    You mentioned wanting the best cooler for your 2003 Chevy Silverado. The best, as in the most amount of cooling, is going to be a remote cooler with its own fan like # D13960. It does not matter where this cooler gets mounted because its fan offers the optimum amount of cooling all the time. Otherwise for a standard cooler that would require air flow I recommend # D13105. Its large surface area will provide plenty of cooling for your trucks transmission. To avoid cutting and flaring lines...
    view full answer...
  • Amp Ratings for Derale Hyper-Cool Remote Transmission Cooler Kit with Fan # D13960
    According to my contact at Derale the Derale Hyper-Cool Remote Transmission Cooler Kit with Fan # D13960 has the following amp ratings: The electric fan rating is 4.8 amps. The thermostat switch rating has a maximum of 15 continuous amps.
    view full answer...
  • Recommended Transmission Cooler with Fan for 2012 Chevy Suburban
    I spoke with my contact at Derale and he said that your 2012 model Chevy Suburban 1500 uses 1/2 inch transmission lines so the Derale Hyper-Cool Transmission Cooler # D13960 won't be the best option. For your Suburban you will instead want the Derale Hyper-Cool # D15960 which is essentially the same cooler with fan but designed to work with the 1/2 inch lines. An adapter isn't needed as the compression fitting that comes included with this cooler should work perfectly. A transmission...
    view full answer...
  • Which Replacement Thermostat Do I Need For Derale Transmission Cooler Kit # D13960
    Yes, for a replacement thermostat for your Derale Transmission Cooler Kit, part # D13960, you will need Replacement Thermostat, part # D16728, which is available through our website.
    view full answer...
  • Transmission Cooler For 2014 Nissan Titan
    Cooler failure is VERY expensive! That's why I recommend getting a Class V cooler like # D13960. This one comes with a fan too which is nice especially when your not moving much in the heat hauling something. The fan will make sure that the cooler is getting plenty of air flow even if your not moving or hardly at all.
    view full answer...

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Info for this part was:

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Employee Michael H
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Employee Andy C
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