What is the main function of main bearings in an engine?

Main bearings support the crankshaft within the engine block. They allow the crankshaft to rotate smoothly while maintaining the correct oil clearance for lubrication and to reduce friction.

Are these bearings undersized or oversized?

This is a standard size main bearing set. It is intended for use on crankshafts that are within factory specifications. Always check your crankshaft's condition and measurements before ordering bearings.

What should I do before installing these bearings?

Before installation, ensure the crankshaft journals and the bearing saddles in the engine block are thoroughly cleaned. It's also recommended to lubricate the bearings with assembly lube or clean engine oil during installation.

Clevite Engine Bearings SH1030S - 4 Cyl Main Bearing Set

Name: Clevite International Tractor C157 175 200 4 Cyl Main Bearing Set
Brand: Clevite
Price: 24.97 USD
Availability: InStock

Clevite International Tractor C157 175 200 4 Cyl Main Bearing Set

$24.97

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Clevite 4 cylinder main bearing set for engine rebuilding. Fits a wide range of vehicles.

Key Features

Fits a wide range of American Motors, Buick, Chevrolet, GMC, Jeep, Oldsmobile, and Pontiac vehicles.
Designed for 4-cylinder engines.
Supports the crankshaft and ensures proper rotation.
Manufactured to precise tolerances for optimal oil clearance.
Helps maintain proper lubrication and reduce engine friction.

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Will this fit your vehicle?

Product Details

Clevite is known for making well-built engine parts, and this SH1030S main bearing set is no exception. If you're rebuilding the engine in a variety of American Motors, Buick, Chevrolet, GMC, Jeep, Oldsmobile, or Pontiac vehicles from the late 70s through the early 90s, these bearings are designed to get your engine running smoothly again. They are a crucial part of your engine's rotating assembly, supporting the crankshaft and ensuring it spins true within the block.

This set is specifically for 4-cylinder engines and is a popular choice for mechanics looking for reliable replacement parts. The bearings are made to precise tolerances, which is important for maintaining proper oil clearance. This clearance is what allows oil to flow and lubricate the crankshaft journals, reducing friction and wear. When you're putting an engine back together, getting these details right makes a big difference in its longevity and performance.

When installing these bearings, remember to always refer to your vehicle's specific service manual for proper torque specifications and any necessary preparation steps. Cleanliness is also key during engine assembly to prevent any debris from compromising the new bearings.