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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 GMC Sierra 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.

pairs well with
Mishimoto Mishimoto MMHOSE-DMAX-11RD Red Silicone Coolant Hose Kit | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
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No published gain figure for this part, and nothing here is a guarantee. Price is a list price and can lag the retailer; confirm at checkout. See our affiliate disclosure.

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