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

Main bearings support the crankshaft within the engine block. They create a low-friction surface for the crankshaft to rotate on, while also maintaining precise oil clearance to ensure proper lubrication and prevent excessive wear.

Do these bearings come with the necessary hardware for installation?

This listing is for the main bearing set only. Installation typically requires following specific torque sequences and ensuring proper lubrication, but additional hardware is not usually included with the bearings themselves.

What is the significance of the 'MS1733A' part number?

The 'MS1733A' is the manufacturer's part number from Clevite. It identifies this specific set of main bearings, ensuring you get the correct size and type for your engine application.

Clevite Main Bearing Set MS1733A - 1962-1993 GM 2.5L 4 Cyl

Name: Clevite GM Pontiac/Chevrolet 151 2.5L 153 4 Cyl 1962-93 Main Bearing Set
Brand: Clevite
Price: 46.68 USD
Availability: InStock

Clevite GM Pontiac/Chevrolet 151 2.5L 153 4 Cyl 1962-93 Main Bearing Set

$46.68

On Backorder

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

Clevite main bearing set for 1962-1993 GM 2.5L 4-cyl engines. Essential for engine rebuilds.

Key Features

Fits 1962-1993 GM vehicles with 151 or 153 4-cylinder engines.
Main bearings are essential for supporting the crankshaft and maintaining proper oil clearance.
Well-built with durable materials for reliable performance.
Helps reduce friction and wear in the engine's bottom end.
Part number MS1733A.

Secure CheckoutFast Shipping631-982-0042

Will this fit your vehicle?

Product Details

If you're rebuilding the bottom end of your 1962-1993 GM vehicle with a 151 or 153 4-cylinder engine, a solid set of main bearings is crucial. These Clevite main bearings are designed to handle the loads and stresses of daily driving and more demanding use, ensuring your crankshaft spins smoothly within the engine block. They are a well-built replacement for worn-out original bearings, helping to restore proper oil clearance and reduce friction.

Clevite has been a trusted name in engine bearings for a long time, and this set, part number MS1733A, is made to meet the specific needs of these popular GM 4-cylinder engines. They are built with materials that offer good durability and wear resistance, which is important for the longevity of your engine rebuild. Proper installation is key, so make sure to follow the manufacturer's torque specifications and oiling procedures to get the best performance and life out of these bearings.

This main bearing set fits a wide range of vehicles, including models like the Chevrolet S10, Pontiac Firebird, and Buick Century from the years specified. Having the correct main bearings is fundamental to a healthy engine, and this Clevite set offers a reliable option for your project.