Drivetrain› Automatic Transmissions and Components

Sun Coast Converters

Suncoast 4L80E Extreme Duty Main Shaft SUN34672-05

$1,558.35

SKU: S02K 34672-05

In Stock
In Stock
Ships by Jun 11
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Non-Returnable Item
INSTALL DIFFICULTY
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Description

The SunCoast Performance 4L80E Extreme Duty Main Shaft (MPN: 34672-05) is designed to address common main shaft failures in 4L80E and 4L85E transmissions, providing enhanced durability for high horsepower and torque applications.

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

BrandSun Coast Converters
Part NumberS02K 34672-05

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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