Heating and Cooling› Oil and Fluid Coolers

Dorman

TRANSMISSION OIL COOLER PRESSURE AN

$427.59

SKU: D00I 724-133

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Dorman 724-133 is an OE FIX automatic transmission oil cooler line assembly designed for specific Chevrolet Silverado and GMC Sierra trucks. It replaces crimped factory connections with threaded ones, allowing for easier serviceability and helping to prevent leaks, ensuring proper fluid flow to protect the transmission.

Fitment

Fitment Guaranteed

Don’t gamble
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

BrandDorman
Part NumberD00I 724-133

Videos

Chevy silverado Leaking oil cooler line, Thanks, dorman

Chevy silverado Leaking oil cooler line, Thanks, dorman
2500HD 6.0 Vortec Engine Oil Cooler Line Replacement (the right way)

2500HD 6.0 Vortec Engine Oil Cooler Line Replacement (the right way)

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.

View Full Return Policy