What does '1.0mm oversize' mean for these bearings?

This means the bearings are 1.0mm larger in diameter than the standard size. They are used when the crankshaft journals have been machined down by 1.0mm to remove wear or damage. Using the correct oversize bearing ensures the proper fit and oil clearance for the rebuilt engine.

What is the construction of these main bearings?

These bearings utilize a bimetal construction. This design features an aluminum base, which is a common and effective material for engine bearings that need to handle load and heat.

Are these bearings sold individually or as a set?

This product is a main bearing set. It includes all the necessary bearings to replace the main bearings for the crankshaft in your specified Mazda engine.

Specifications

Brand: King Engine Bearings
Part #: MB474AM1.0
UPC: 611500158742

King Engine Bearings Mazda Je06/Je27/Je39/Je48 (Size +1.0mm) Main Bearing Set

Name: King Engine Bearings Mazda Je06/Je27/Je39/Je48 (Size +1.0mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-mazda-je06-je27-je39-je48-size-1-0mm-m-t14-770443
Price: 51.05 USD
Availability: BackOrder

$51.05

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Fits 1989-1998 Mazda MPV. King Engine Bearings main bearing set, 1.0mm oversize, made with an aluminum base bimetal construction.

Key Features

Fits 1989-1998 Mazda MPV.
Main bearing set for Mazda JE06, JE27, JE39, and JE48 engine codes.
Features a bimetal construction with an aluminum base.
This set is 1.0mm oversize, intended for use with a machined crankshaft.
Supports the crankshaft and ensures proper oil clearance.

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About this part

Product Details

These King Engine Bearings main bearings are built with a bimetal construction that uses an aluminum base. This design is specifically for the JE06, JE27, JE39, and JE48 engine codes found in your 1989-1998 Mazda MPV. When you're rebuilding the bottom end of your engine, the main bearings are critical for supporting the crankshaft and ensuring it spins smoothly within the block. They take a lot of stress, so having a well-built bearing set makes a difference in the longevity of your rebuild.

This particular set is 1.0mm oversize, which is important if you're dealing with a crankshaft that has been machined down due to wear or damage. Using the correct oversize bearing ensures a proper fit and the right oil clearance, which is essential for oil pressure and lubrication. King Engine Bearings is a popular name in engine bearings, known for making solid options for a wide range of applications.