King Engine Bearings MB 553AM0.75 Main Bearing Set Datsun A12 +0.75mm Oversize

The King Engine Bearings MB 553AM0.75 is an OE-replacement crankshaft main bearing set designed for the Datsun A12 engine. This set is supplied at a +0.75mm oversize, making it the correct choice for engines where the crankshaft journals have been reground to that undersize specification.

Key Features:

• AM Series bi-metal construction — aluminum-based material, the softest bi-metal in King's range, ideal for OE replacement applications
• +0.75mm oversize (0.030 in.) for use with reground crankshafts
• 5 pairs per set — complete crankshaft main bearing set
• Lead-free bearing material for improved environmental compliance and safety
• Engineered for passenger car engines operating under low to medium loads
• Manufactured to tight dimensional tolerances for consistent fit and reliable performance

King Engine Bearings has been producing precision engine bearings since 1960. The AM Series uses a standard aluminum-based bi-metal compound that delivers dependable OE-level performance for street-driven and daily-driver applications. This bearing set is a direct replacement for worn or damaged crankshaft main bearings in the Datsun A12 engine family.