Sealed Power 4281M Engine Crankshaft Main Bearing Set

Reliable Engine Crankshaft Main Bearing Set for Oldsmobile V8 Engines

The Sealed Power 4281M engine crankshaft main bearing set is designed as an OE replacement for Oldsmobile V8 engines with 350 and 403 cubic inch displacement. This main set provides precise fitment and durability for a range of GM vehicles including Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models.

• OE replacement main bearing set for Oldsmobile V8 engines
• Compatible with 350 and 403 cubic inch displacement engines
• Constructed from A-series aluminum bearings for durability
• Includes standard and undersized bearings: Std, -1, -10, -20, -30, -40
• Fits multiple GM makes and models including Bonneville, Caprice, Cutlass, Firebird, and more

Product Details and Specifications

The Sealed Power 4281M main bearing set is engineered to meet original equipment specifications for Oldsmobile V8 engines, specifically those with 350 and 403 cubic inch displacement. Manufactured with A-series aluminum bearings, this set offers reliable wear resistance and consistent performance. The set includes a full range of bearing sizes from standard to -40 undersize, allowing for precise crankshaft fitment during engine rebuilds or repairs. This main set is compatible with a variety of GM vehicles such as the Buick Century, Cadillac Eldorado, Chevrolet Caprice, Oldsmobile Cutlass Supreme, and Pontiac Firebird, ensuring broad application across popular V8-powered models.

Applications and Common Repair Uses

• Replacement of worn or damaged main bearings in Oldsmobile 350 and 403 V8 engines
• Engine rebuilds requiring precise bearing sizing for crankshaft journals
• Addressing engine knocking or bearing noise related to main bearing wear
• Restoring proper oil clearance and crankshaft support in V8 engines
• Maintenance of GM vehicles including Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models

Installation Notes and Tips

When installing the Sealed Power 4281M main bearing set, ensure the crankshaft journals are properly measured to select the correct bearing size from the included range. Clean all bearing surfaces and apply assembly lubricant to prevent initial wear. Follow manufacturer torque specifications for main bearing caps to maintain proper bearing clearance and engine performance. It is recommended to inspect the crankshaft for scoring or damage before installation to ensure optimal results.

Quality Assurance and Warranty Information

Sealed Power manufactures the 4281M main bearing set to meet strict OEM standards for material and dimensional accuracy. The use of A-series aluminum bearings provides consistent durability under normal operating conditions. While specific warranty details are not provided, Sealed Power products are generally backed by quality control processes to ensure reliable engine component performance.