What does '0.25 Oversized' or 'OS +.040' mean for these bearings?

This means the bearings are 0.040 inches thicker than a standard bearing. This size is used when the crankshaft journals have been machined down by 0.040 inches during an engine rebuild to ensure proper oil clearance.

Are these bearings sold individually or as a set?

This is a set of crankshaft main bearings, designed to replace all the main bearings for the specified engine.

What is the primary function of main bearings?

Main bearings support the crankshaft within the engine block. They create a low-friction surface that allows the crankshaft to rotate smoothly while maintaining critical oil clearances.

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Specifications

Brand: King Engine Bearings
Part #: MB5847SX0.25
UPC: 611500690495

King Ford Powerstroke 6.7L Diesel (0.25 Oversized) OS +.040 Crankshaft Main Bearing Set

Name: King Ford Powerstroke 6.7L Diesel (0.25 Oversized) OS +.040 Crankshaft Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-ford-powerstroke-6-7l-diesel-0-25-oversized-os-040-cra-t14-818375
Price: 73.88 USD
Availability: BackOrder

$73.88

On Backorder

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King Engine Bearings crankshaft main bearing set MB5847SX0.25. 0.040 inch undersize for Ford Powerstroke 6.7L Diesel.

Key Features

Fits Ford Powerstroke 6.7L Diesel engines.
Crankshaft main bearing set.
0.040 inch undersize (OS +.040).
Part number MB5847SX0.25.
Manufactured by King Engine Bearings.

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About this part

Product Details

King Engine Bearings is well-known for making solid engine bearings. This crankshaft main bearing set, part number MB5847SX0.25, is built for Ford Powerstroke 6.7L Diesel engines. It's important to get the right size bearing when rebuilding or repairing your engine, and this set is 0.040 inches undersize, often referred to as OS +.040.

Using the correct undersize bearing is crucial for restoring proper oil clearance when the crankshaft journals have been machined down to match. King uses advanced materials and manufacturing processes to ensure these bearings perform reliably under the demanding conditions of a diesel engine. They are designed to fit right and provide the necessary support for your crankshaft.