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Heating and Cooling› Oil and Fluid Coolers

Pacific Performance Engineering

20C GM 6.6L DURAMAX ALLISON L5P 10L1000 DEEP TRANSMISSION PAN BRUSHED

$419.99 $377.99 Save $42.00

SKU: P00X 128051410

In Stock
In Stock
Ships by Jun 13
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

This Pacific Performance Engineering (PPE) heavy-duty cast aluminum transmission pan increases fluid capacity by 4 quarts and features deep external cooling fins for improved heat dissipation in 2020-2026 GM 6.6L Duramax 10L1000 transmissions. Built-in baffles reduce fluid sloshing, and magnetic drain and check plugs capture metallic particles.

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

BrandPacific Performance Engineering
Part NumberP00X 128051410

Videos

It's True! The GM 10L1000 Allison Transmissions Are Having Major Issues!

It's True! The GM 10L1000 Allison Transmissions Are Having Major Issues!
10-Speed Allison Transmission 101

10-Speed Allison Transmission 101
L5P 10 Speed checking the transmission fluid level

L5P 10 Speed checking the transmission fluid level
Allison 10L vs Ford 10R

Allison 10L vs Ford 10R

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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