MAHLE MS-1733A Main Bearing Set for GM 2.5L 4-Cylinder Engines

The MAHLE MS-1733A is a precision-engineered main bearing set designed for General Motors 4-cylinder engines, specifically the 151 cubic inch (2.5L) and 153 cubic inch variants used in Pontiac and Chevrolet vehicles from 1962 to 1993. This complete bearing set provides the critical interface between the crankshaft and engine block, ensuring proper alignment, reduced friction, and optimal oil clearance for reliable engine performance.

Key Features:

• Precision-manufactured to OEM specifications for exact fit and performance
• High-quality bearing material engineered for durability and wear resistance
• Designed for GM Iron Duke 2.5L and 153 CID 4-cylinder engines
• Complete main bearing set for comprehensive engine rebuild or restoration
• Compatible with Pontiac and Chevrolet applications spanning three decades

MAHLE is a globally recognized leader in engine components, known for manufacturing bearings that meet or exceed original equipment standards. This main bearing set is ideal for engine rebuilds, restorations, or performance upgrades on classic and later-model GM 4-cylinder powerplants.