Engines and Components Engine Bearings

SEALED POWER

MAIN BEARING SET

$190.26

SKU: S03T 5025MA 30

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

Beginner — under 30 min

Description

The Sealed Power 5025MA is an engine crankshaft main bearing set designed as an OE replacement. It is engineered for Chrysler and Dodge big block engines with 426 and 440 cubic inch displacements. This set features A-series aluminum bearings known for their durability and wear resistance.

This main bearing set includes standard size bearings along with undersized options (10, 20, 30) to accommodate precise engine rebuilds. It is compatible with a variety of Chrysler and Dodge models from 1974 to 1979, supporting reliable operation in classic vehicles.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandSEALED POWER
Part NumberS03T 5025MA 30

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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