King Engine Bearings MB 547AM0.5 Main Bearing Set for Toyota 18R +0.5mm Oversize

The King Engine Bearings MB 547AM0.5 is an OE-replacement main bearing set designed for the Toyota 18R engine. This set includes 5 pairs of bi-metal main bearings in a +0.5mm oversize specification, making it the correct choice for engines where the crankshaft journals have been ground 0.5mm undersize during a rebuild.

Manufactured using King's standard aluminum-based bi-metal construction — the softest material in King's bearing lineup — these bearings are engineered for passenger car engines operating under low to medium load conditions. The aluminum alloy material is equivalent to SAE-783 specification and delivers reliable performance, excellent conformability, and long service life.

Key Features:

• OE-replacement bi-metal main bearing set — 5 pairs included
• +0.5mm oversize for use with reground crankshafts
• Aluminum-based bi-metal construction (SAE-783 equivalent)
• Lead-free bearing material for environmental compliance and safety
• Designed for low to medium load passenger car engine applications
• Manufactured by King Engine Bearings — specialists in engine bearings since 1960

King Engine Bearings has been producing precision engine bearings since 1960, supplying products across automotive, light and heavy-duty truck, marine, aviation, and standby power applications. Every King bearing is produced to exacting tolerances using advanced materials and manufacturing processes to ensure a reliable, long-lasting engine rebuild.