What does the '0.75' in the part number signify?

The '0.75' indicates that this main bearing set is 0.075 inches undersize. This means it is intended for use when the crankshaft journals have been machined down by 0.075 inches during an engine rebuild.

What type of engine load is this bearing set designed for?

This bearing set is specifically designed for medium-load engines. The bi-metal aluminum material with a silicon composite offers a good balance for typical driving conditions in the compatible vehicles.

Are these bearings environmentally safe?

Yes, these bearings feature a lead-free composite. This makes them an environmentally safe option for engine builds, aligning with modern environmental standards.

Specifications

Brand: King Engine Bearings
Part #: MB5442SI0.75
UPC: 611500520082

King Ford/Mazda Duratec 2.0/2.3 DOHC (Size 0.75) Silicon Bi-Metal Aluminum Main Bearing Set

Name: King Ford/Mazda Duratec 2.0/2.3 DOHC (Size 0.75) Silicon Bi-Metal Aluminum Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-ford-mazda-duratec-2-0-2-3-dohc-size-0-75-silicon-bi-m-t14-261742
Price: 82.64 USD
Availability: BackOrder

$82.64

On Backorder

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King Ford/Mazda Duratec 2.0/2.3 DOHC (Size 0.75) Silicon Bi-Metal Aluminum Main Bearing Set. A well-built bearing set for medium-load engines.

Key Features

Fits 2003-2020+ Ford, Mazda, Lincoln, and Mercury vehicles with Duratec 2.0L/2.3L DOHC engines.
Bi-metal aluminum material with a silicon composite.
Lead-free and environmentally safe composite.
Suitable for medium-load engines.
Main bearing set, 0.75 undersize for machined crankshafts.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

King Engine Bearings has been specializing in engine bearings since 1960, focusing on supplying the highest quality bearings available. This main bearing set, part number MB5442SI0.75, is a bi-metal aluminum type with a silicon composite, making it an environmentally safe choice for medium-load engines. It's designed to fit a wide range of Ford and Mazda vehicles equipped with the Duratec 2.0L or 2.3L DOHC engine, including popular models like the Ford Fusion, Ford Escape, and Mazda 3.

This set is 0.75 undersize, meaning it's intended for crankshafts that have been machined down by 0.075 inches. The bi-metal aluminum construction offers a good balance of strength and wear resistance, suitable for everyday driving conditions. The lead-free composite is a notable feature, aligning with environmental considerations for modern engine builds.