What is King's Tri-Armor technology?

Tri-Armor technology is a proprietary coating and material combination used by King Engine Bearings. It's designed to offer enhanced wear resistance and lower friction, contributing to improved bearing life and engine performance.

What is the purpose of main bearings in an engine?

Main bearings support the crankshaft within the engine block. They create a low-friction surface for the crankshaft to rotate on, while also maintaining precise oil clearances essential for proper lubrication and engine operation.

Are these bearings a direct replacement for the original equipment?

King Engine Bearings are manufactured to meet or exceed OEM specifications, making them a reliable choice for replacement. Always confirm fitment for your specific Mercedes Benz engine model.

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Specifications

Brand: King Engine Bearings
Part #: MB4521AM
UPC: 611500575402

King Engine Bearings Mercedes Benz M 272.911 / M 272.920 Crankshaft Main Bearing Set

Name: King Engine Bearings Mercedes Benz M 272.911 / M 272.920 Crankshaft Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-mercedes-benz-m-272-911-m-272-920-cran-t14-693868
Price: 38.60 USD
Availability: BackOrder

$38.60

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

King Engine Bearings crankshaft main bearing set for Mercedes Benz M 272.911 / M 272.920 engines.

Key Features

Fits Mercedes Benz M 272.911 and M 272.920 engines.
Features King's Tri-Armor technology for improved durability and reduced friction.
Designed to provide proper oil clearance for the crankshaft.
Well-built main bearing set for engine rebuilding and repair.

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About this part

Product Details

These main bearings are built with King's advanced Tri-Armor technology, which uses a unique combination of materials and coatings to offer improved durability and reduced friction. This means your Mercedes Benz M 272.911 or M 272.920 engine's crankshaft will be well-supported and run smoother for longer.

King Engine Bearings is a well-known name in performance and OEM replacement parts, and this set is no exception. They're made to handle the demands of your engine, ensuring a solid foundation for your crankshaft. When you're rebuilding or repairing your engine, using a well-built set of main bearings like these is crucial for proper oil clearance and long-term reliability.