Engines and Components› Engine Bearings

SEALED POWER

MAIN BEARING SET

$616.27

SKU: S03T 7421M 30

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

Professional / shop required

Description

The Sealed Power 7421M-30 Crankshaft Main Bearing Set is made with A-Series bi-metal aluminum alloy for greater seizure resistance and reduced wear. These premium OEM replacement bearings are manufactured to exacting tolerances with silicon to provide greater surface hardness, delivering top quality products that meet the rigorous demands of today's modern engines.

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 7421M 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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