Fitment and Installation of Derale 9000 Series Transmission Cooler Kit on a 2004 Chevrolet Silverado  

You can install a stack cooler in your vehicle. The Class ratings are there as a reference point to a hitch Class. For example if someone has a Class III hitch they can look at coolers, see a Class III and say, hey, I have a Class III hitch so this…

The higher the Class of transmission cooler the more efficient it is and the more cooling capabilities it has. Basically, the Class of a cooler is supposed to reflect the Class trailer hitch you have. So if you have a Class III hitch you would use a…

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

Hey David, thanks for reaching out! The Replacement Converter Section for Progressive Dynamics Inteli-Power 4000 Series 45 Amp Power Center #PD4045CSV has an output of 14.6V.

Thanks for the picture! I checked with Progressive Dynamics the replacement power converter you need for your Parallax Series 7300 Model 7345 is the Replacement Converter for Parallax/Magnetek or WFCO RV Power Centers - 45 Amp item #PD4645V.

Hey Sam, I would recommend the Derale transmission cooler part #D13504 with the radiator adapter part #D13035 for your 2008 GMC Yukon XL with the 5.3 liter. This is a larger cooler that is the efficient plate fin design that we know works great on…

I confirmed with Derale the Atomic-Cool Remote Transmission Cooler Kit #D13950 is going to be your best option for your 2014 GMC Yukon XL with 6.2L engine. This cooler has a fan to help push more air through the cooler at low speeds.

The motor by itself is not available for Derale Hyper-Cool transmission cooler #D13960. You would need the complete fan assembly #D16618.

The method we use to determine the correct line to install a transmission cooler on is pretty simple. You want to install the cooler on the return line. To determine which line is the return line you will want to start with your truck totally cooled…

-6 AN fittings are a specific threaded fitting size. The Derale Hyper-Cool Remote Transmission Cooler Kit w/ Fan, -6 AN Inlets - Class V #D13960 has the specific fittings you mentioned but it also comes with the barb fittings that simply use a hose…

For your 2022 Grand Design 22RBE with dual 3,500 lb overslung dexter axles the correct SumoSpring kit is part #TSS-107-40. Since your trailer is a tandem axle you will need two of these kits. These are made specifically for overslung axles rated…

In regards to installing a transmission cooler like the Derale Series 8000 Plate-Fin Transmission Cooler Kit part #D13502, you will need to identify both the factory hot and cold (return) transmission cooler lines. In order to do this we recommend…