Fluidyne Fluidyne Bar Plate Transmission Cooler For 2020-2024 Chevy/GMC 2500/3500 Duramax

Fits 2020-2024 6.6L Duramax V8 (L5P) · 6.6L Duramax V8 (L5P, updated)

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gain
protects power, no gain
price
$479
at Rudy's Performance Parts
install
3/5 difficulty · varies by part
Buy at Rudy's Performance Parts

Transmission parts here are about holding torque and keeping fluid temperature down, which is what kills automatics. This one is the Fluidyne Fluidyne Bar Plate Transmission Cooler For 2020-2024 Chevy/GMC 2500/3500 Duramax, listed to fit the 2020-2024 Chevrolet Silverado 2500HD/3500HD with the 6.6L Duramax V8 (L5P) or 6.6L Duramax V8 (L5P, updated).

why this one — Towing heat is the usual reason to buy. Check what your truck already has before adding a cooler or pan. Rudy's Performance Parts lists it at $479.00, and the fitment above is what the listing itself states, not a guess.

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