Sealed Power 7298MA Engine Crankshaft Main Bearing Set

Overview of Sealed Power Engine Crankshaft Main Bearing Set 7298MA

The Sealed Power 7298MA engine crankshaft main bearing set is designed as an OE replacement for Chevrolet Gen III V8 engines, specifically the 346 LS1 displacement. This main set features A-series aluminum bearings engineered to provide reliable performance and durability for a range of GM vehicles.

• OE replacement main bearing set for Chevrolet Gen III V8 engines
• Compatible with 346 LS1 displacement engines
• Constructed with A-series aluminum bearings for enhanced wear resistance
• Includes standard and undersized bearings: Std, 10, 20, 30
• Fits multiple GM makes and models including Chevrolet, GMC, Cadillac, Buick, Pontiac, Hummer, and Isuzu

Detailed Product Description

The Sealed Power 7298MA main bearing set is manufactured to meet original equipment specifications, ensuring proper fit and function in Gen III V8 Chevrolet engines. The set includes a range of bearing sizes (standard, 0.010, 0.020, and 0.030 undersizes) to accommodate engine rebuilds and machining tolerances. Made from A-series aluminum, these bearings offer a balance of strength and conformability, helping to maintain crankshaft alignment and reduce wear under normal operating conditions. This main set is suitable for use in various GM vehicles equipped with the 346 LS1 engine, including popular models such as the Chevrolet Camaro, Corvette, Silverado, and GMC Sierra.

Compatible Vehicles and Applications

This engine crankshaft main bearing set is compatible with a wide range of GM vehicles powered by the Gen III V8 346 LS1 engine. Compatible makes include Chevrolet, GMC, Cadillac, Buick, Pontiac, Hummer, and Isuzu. Specific models include Chevrolet Camaro, Corvette, Silverado 1500/2500/3500, Suburban, Tahoe, GMC Sierra, Yukon, Cadillac Escalade, Buick LaCrosse, Pontiac G8, and Hummer H2/H3 among others.

• Replaces worn or damaged main bearings in 346 LS1 Gen III V8 engines
• Addresses crankshaft end play and bearing clearance issues
• Helps resolve engine knocking or unusual bearing noise
• Supports engine rebuilds requiring precise bearing sizing
• Prevents premature bearing wear and crankshaft damage

Installation Notes and Tips

When installing the Sealed Power 7298MA main bearing set, ensure the crankshaft journals are properly measured to select the correct bearing size from the included standard and undersized options. Clean all bearing surfaces thoroughly before installation to prevent contamination. Use proper torque specifications for main bearing caps and verify crankshaft end play after assembly. It is recommended to inspect the crankshaft for scoring or damage prior to bearing installation to ensure optimal performance.

Quality Assurance and Warranty

Sealed Power manufactures the 7298MA main bearing set to meet or exceed OEM standards for durability and fitment. The use of A-series aluminum bearings provides consistent material quality and wear resistance. While specific warranty details may vary, Sealed Power products typically come with a limited warranty against manufacturing defects, supporting reliability in engine rebuild applications.