Heating and Cooling› Oil and Fluid Coolers

Randy's Transmission

Randy s Transmissions 2017 - 2019 DURAMAX L5P FLUIDYNE EXTREME DUTY BAR PLATE COOLER RT-A1-1719

$499.00

SKU: R068 RT-A1-1719

In Stock
In Stock
Ships by Jun 15
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Fluidyne Heavy Duty Transmission Cooler (RT-A1-1719) for 2017-2019 GM 6.6L L5P Duramax engines features aerospace-grade aluminum with a bar and plate design for maximum heat dissipation, ensuring optimal transmission temperatures. It offers over four times the heat dissipation capacity compared to stock coolers and is a direct bolt-in replacement. It is tested up to 250 PSI against leaks and comes with a limited lifetime warranty.

Fitment

Fitment Guaranteed

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on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandRandy's Transmission
Part NumberR068 RT-A1-1719

Videos

Duramax transmission cooler line upgrade kit

Duramax transmission cooler line upgrade kit

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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