Drivetrain› Bellhousings and Components

Dieselsite

DIESELSITE 6.5L Chevy/GMC 4L80E Billet FlexPlate

$519.73

SKU: D03C FLEX65

In Stock
In Stock
Ships by Jun 9
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

Designed for GM 6.5L diesels with automatic transmissions, the DIESELSITE high-speed alloy billet steel flexplate is engineered to eliminate the common issues of cracking and fatigue seen in stock flexplates, particularly in high-mileage and high-horsepower builds. This robust replacement enhances drivetrain reliability and performance, making it an essential upgrade for serious enthusiasts.

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

BrandDieselsite
Part NumberD03C FLEX65

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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