Derale Dual-Pass Heat Sink Cooler - 17" Long

Part Number: D13261

$78.74

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derale transmission coolers frame rail cooler dual-pass heat sink - 17 inch long

derale transmission coolers frame mount dual-pass heat sink cooler - 17 inch long

derale transmission coolers frame rail cooler mount dual-pass heat sink - 17 inch long

derale transmission coolers frame rail cooler mount d13261

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17-1/4" Long x 2-3/16" wide x 3-1/4" tall, heat-dissipating kit improves the performance of your vehicle's engine, transmission, power steering, fuel or differential system and can be easily mounted on nearly any frame rail. Great Prices for the best transmission coolers from Derale. Derale Dual-Pass Heat Sink Cooler - 17" Long part number D13261 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.

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Derale Transmission Coolers - D13261

Features:

Extends life and improves functioning of engine, transmission, power steering, fuel or differential system
Absorbs and then dissipates heat effectively through both internal and external aluminum fins
Has a compact, 3" diameter housing, capable of fitting most frame rails
Designed with inlet and outlet on same end so that tube can be routed through cooler, taking up less space in the engine compartment

Specs:

Inlets: 1/4" NPT
Overall dimensions: 17-1/4" long x 2-3/16" wide x 3-1/4" tall
Mounting dimensions: 16-5/8" long x 1-3/8" wide
1-Year warranty

13261 Derale Dual Pass Aluminum Heatsink

Installation Details D13261 Installation instructions

4.6

5 reviews

5 Stars		(4)
4 Stars		(0)
3 Stars		(1)
2 Stars		(0)
1 Star		(0)

by: Mike 07/15/2025

Took a while to get but quality looks good just need to make a spot for it

by: Floyd 03/12/2017 One Year Later

Thanks, still working on that project...
I am sure it will be fine I have used them on other projects and like them.

by: David 07/31/2024 One Year Later

Fits nicely on the frame and performs as I expected.

by: Namon 09/20/2019 One Year Later

It works great

by: Chuck 10/07/2018

Fit my application perfect!!!!

true

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Will Adding The Derale Dual-Pass Heat Sink Cooler Be To Cold In Winter 2006 Chevy Silverado 2500HD?
You are able to add the Derale Dual-Pass Heat Sink Cooler # D13261 to your 2006 Chevrolet Silverado 2500HD with the factory transmission cooler. This will simply allow for some additional cooling to the transmission fluid. You do not have to worry about the transmission fluid getting to cold in the winter months as it will continue to pump even below freezing. We do have the Cooler With Install Kit # D13264 so you will have the parts you need to install this in your Silverado.
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Info for this part was:

Updated by:

DeAnne T

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Wilson B

Updated by:

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