What does the '+0.25' size designation mean for these bearings?

The '+0.25' in the part number indicates that these main bearings are 0.25mm undersize. This means they are intended for use when the engine's crankshaft journals have been machined down by 0.25mm to account for wear or to prepare for an overhaul.

What type of engine is this bearing set best suited for?

These bearings are made with a bi-metal aluminum material and a lead-free composite, making them an ideal choice for engines that experience low to medium loads. They are designed to provide reliable support and lubrication in these applications.

Are these bearings environmentally friendly?

Yes, these bearings feature a lead-free composite. This makes them an environmentally safe option, aligning with regulations and responsible manufacturing practices.

King Ford/Kia/Mazda DOHC 16 Valve/SOHC 8 Valve/SOHC 16 Valve (Size +0.25) Main Bearing Set

Specifications

Brand: King Engine Bearings
Part #: MB5537AM0.25
UPC: 611500202117

King Ford/Kia/Mazda DOHC 16 Valve/SOHC 8 Valve/SOHC 16 Valve (Size +0.25) Main Bearing Set

Name: King Ford/Kia/Mazda DOHC 16 Valve/SOHC 8 Valve/SOHC 16 Valve (Size +0.25) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-ford-kia-mazda-dohc-16-valve-sohc-8-valve-sohc-16-valv-t14-280162
Price: 43.43 USD
Availability: BackOrder

$43.43

On Backorder

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Fits 1988-1993 Ford Festiva. King Engine Bearings Main Bearing Set MB5537AM0.25. Bi-metal aluminum material.

Key Features

Fits 1988-1993 Ford Festiva, 1994-1997 Ford Aspire, 1999-2001 Mazda Protege, and 1991-1994 Mercury Capri.
Main bearing set is 0.25mm undersize, suitable for machined crankshaft journals.
Constructed with a bi-metal aluminum material.
Features a lead-free, environmentally safe composite.
Ideal for low to medium-load engine applications.

⚠️ 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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Will this fit your vehicle?

Product Details

King Engine Bearings has been specializing in engine bearings since 1960, aiming to provide the highest quality available. This main bearing set, part number MB5537AM0.25, is designed for specific Ford, Kia, and Mazda engines, including DOHC 16 Valve, SOHC 8 Valve, and SOHC 16 Valve configurations. It's a 0.25mm undersize set, meaning it's intended for applications where the crankshaft journals have been machined down to that size.

These bearings are constructed from a bi-metal aluminum material, making them an ideal choice for low to medium-load engines. They also feature a lead-free, environmentally safe composite, aligning with modern manufacturing standards. This set is a solid option for rebuilding or repairing the bottom end of your engine, ensuring proper crankshaft support and lubrication.