Differences Between Derale Transmission Cooler Derale D13503, D13504, and D13502

Question

Question:

What is the difference between the Derale Transmission cooler 13502. 13503 and 13504 ? Will any work for my SUV? Which cooler is recommended for my 2006 Cadillac Escalade with 6.0 motor? I live in Sothern California and tow a 5000lb boat/traoler during summer months. Thanks

asked by: Jim D

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Expert Reply:

The differerence between the three coolers you mentioned is the size overall. The # D13503 measures 11" Wide x 8-3/4" tall x 7/8" deep. The part # D13502 measures 11" Wide x 7-1/4" tall x 7/8" deep (slightly shorter) and the part # D13504 measures 11" Wide x 12" tall x 7/8" deep.

We recommend fitting the biggest cooler you can fit in the available space in front of the radiator.

expert reply by: Jameson C

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Answer 1

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…

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Answer 2

The best transmission cooler for your 2021 Toyota 4Runner is going to be the Derale Series 8000 Plate-Fin Transmission Cooler Kit w/Barb Inlets - Class III - Efficient item #D13503. The radiator-style, plate-and-fin heat exchanger provides increased…

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Answer 3

When it comes to transmission coolers, unless you live in an extremely cold climate you can't over cool a transmission. Most vehicles will have a stock transmission cooler, it'll either have a separate heat exchanger or it'll have a…

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Answer 4

I went out to the warehouse and grabbed a 7-Way Molded Trailer Wire Connector #H20046 to measure it for you. I used a set of digital calipers to get an accurate measurement. The diameter of the outer black sheath is 0.59 inches or 19/32 of an inch. A…

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Answer 5

Just to make sure we are accurate on the actual rise you may need, lets cover some basics. With the tow vehicle parked on level ground, measure from the ground to the top of your hitch receiver opening. Then, with the trailer level, measure from the…

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Answer 6

The Tekonsha T-One #118304 and Curt T-Connector #C55580 Vehicle Wiring Harnesses are very similar. These are both custom fit wiring harnesses that include a tail light converter, which is required for your 2007 Toyota Sienna because the brake and…

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Answer 7

The Draw-Tite Max-Frame Trailer Hitch Receiver part #76025 is the hitch I had on my old Odyssey and I had no issues with it at all even with bigger bike racks or my boat attached. A bike rack would not cause any type of noticeable hitch deflection…

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Answer 8

The easiest way to install a 4-way bracket to the Draw Tite hitch part #76025 that you referenced is the 4-Flat Mounting Bracket part #18144. For trailer wiring for your 2016 Honda Odyssey I recommend the #118521 as it installs very easily and comes…

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Answer 9

If the port for the Tekonsha harness part #118521 is open on your 2012 Honda Odyssey just go ahead and install the harness in it without worrying about the back up sensors and you'd be totally fine. I attached an install video for this harness on…

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Answer 10

Here are some of the fittings that I have available that are used to connect a transmission cooler to a radiator on a 2007 Chevy Tahoe. You might want to try and measure the fitting size that is on your vehicles radiator. The Derale Insta-Dapt…

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Answer 11

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…

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Answer 12

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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