Sealed Power 4418M Engine Crankshaft Main Bearing Set

Overview of Sealed Power 4418M Main Bearing Set

The Sealed Power 4418M engine crankshaft main bearing set is designed as an OE replacement for V8 engines with a 350 displacement. This main set is compatible with several Buick, Jeep, Oldsmobile, and Pontiac models, providing reliable performance for your engine rebuild or repair.

• OE replacement main bearing set for 350 V8 engines
• Constructed from overplated copper-lead alloy for durability
• Includes standard and undersized bearings: Std, 10, 20, 30
• Compatible with Buick, Jeep, Oldsmobile, and Pontiac vehicles
• Part number 4418M ensures precise fit and quality

Detailed Product Description

The Sealed Power 4418M main bearing set is engineered to meet original equipment specifications for V8 engines with a 350 cubic inch displacement. Manufactured from an overplated copper-lead alloy, these bearings offer excellent wear resistance and conformability, essential for maintaining proper crankshaft alignment and reducing friction. This main set includes a range of sizes—standard, 10, 20, and 30 undersizes—to accommodate engine rebuilds requiring precise bearing clearance adjustments.

This bearing set is compatible with a variety of Buick, Jeep, Oldsmobile, and Pontiac models, including the Buick Regal, Riviera, and LeSabre, Oldsmobile Cutlass and Omega, Pontiac Grand Am and Grand LeMans, as well as Jeep Wagoneer. The part number 4418M identifies this specific set, ensuring you receive the correct components for your engine application.

Common Applications and Issues Addressed

• Replacement of worn or damaged main bearings in 350 V8 engines
• Correction of crankshaft end play and bearing clearance problems
• Restoration of engine oil pressure and reduction of bearing noise
• Prevention of crankshaft wear and potential engine failure
• Support for engine rebuilds requiring precise bearing sizing

Installation Notes and Tips

• Verify engine displacement and compatibility with your vehicle make and model before installation
• Clean all bearing surfaces and crankshaft journals thoroughly prior to assembly
• Use proper torque specifications when installing main bearing caps
• Check bearing clearances with plastigage or micrometer to ensure correct fit
• Replace all related components as needed to maintain engine integrity

Quality Assurance and Warranty

Sealed Power main bearing sets are manufactured to meet or exceed OEM standards, ensuring consistent quality and performance. The 4418M set undergoes rigorous quality control to provide reliable durability in demanding engine environments. While specific warranty details may vary, Sealed Power products typically include coverage against manufacturing defects to support your investment in engine maintenance.