Engines and Components Engine Bearings

SEALED POWER

CAST PISTON - INDIVIDUAL

$51.28

SKU: S03T WH637CP 1.00MM

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Special Order
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Sealed Power WH637CP is a set of main bearings designed for various GM cars with 1.0L 61 (993cc) SOHC L3 engines. These bearings feature a standard shaft size of 1.7707/1.7712 inches and a housing bore of 1.9291/1.9298 inches.

The main set has an oil clearance of 0.0005/0.0027 inches and a maximum wall thickness of 0.0787 inches, with an overall length of 0.708 inches. This product is compatible with specific engine codes and VIN codes across various model years.

Fitment

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Specifications

BrandSEALED POWER
Part NumberS03T WH637CP 1.00MM

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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