What does the 0.75mm undersize mean for these bearings?

The 0.75mm undersize indicates that these bearings are intended for use with a crankshaft that has been machined down by 0.75mm. This is a common practice during engine rebuilding when the original crankshaft journals have wear or damage.

Are these bearings sold individually or as a set?

This product is a set of main bearings. It includes all the necessary main bearings required for a complete engine rebuild for the specified L3 and L3-VDT MZR engines.

What is the typical application for main bearings?

Main bearings are critical components in an engine's bottom end. They support the crankshaft within the engine block, allowing it to rotate smoothly while handling significant loads.

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Specifications

Brand: King Engine Bearings
Part #: MB5442MC0.75
UPC: 611500621390

King Engine Bearings Ford/Mazda L3/ L3-VDT MZR (Size 0.75) Main Bearing Set

Name: King Engine Bearings Ford/Mazda L3/ L3-VDT MZR (Size 0.75) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-ford-mazda-l3-l3-vdt-mzr-size-0-75-mai-t14-432466
Price: 95.31 USD
Availability: BackOrder

$95.31

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King Engine Bearings Main Bearing Set MB5442MC0.75. This set is 0.75mm undersize for Ford/Mazda L3/L3-VDT MZR engines.

Key Features

This is a set of main bearings sized 0.75mm undersize.
Designed for Ford and Mazda L3 and L3-VDT MZR engines.
Features King Engine Bearings' established construction for engine components.

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About this part

Product Details

This is a set of main bearings from King Engine Bearings, part number MB5442MC0.75. These bearings are specifically sized at 0.75mm undersize, which is important when rebuilding or servicing an engine that has had its crankshaft ground down to match this size. They are designed for Ford and Mazda L3 and L3-VDT MZR engines.

King Engine Bearings is a well-known name in engine components, and these main bearings are built to handle the demands of an engine rebuild. The 0.75mm undersize specification means they are intended for use with a crankshaft that has been machined to this specific dimension. Proper installation is key, and it's always recommended to follow the manufacturer's guidelines for bearing clearance and torque specifications to ensure the longevity of your engine.