Exterior Components Body Panels and Components

SEALED POWER

MAIN BEARING SET

$100.67

SKU: S03T 6678MA

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

Beginner — under 30 min

Description

The Sealed Power 6678MA engine crankshaft main bearing set is designed for reliable performance in Chrysler, Dodge, and Plymouth vehicles. Constructed from A-series aluminum, this standard size full set provides essential durability and precision for engine rebuilds and repairs.

This bearing set offers complete crankshaft support and is manufactured from A-series aluminum for strength and wear resistance. As a standard size set, it ensures proper fit and function, making it a dependable solution for engine crankshaft support during rebuilds or replacements.

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

BrandSEALED POWER
Part NumberS03T 6678MA

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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