What is the function of crankshaft main bearings?

Crankshaft main bearings are located between the crankshaft and the engine block. They support the crankshaft, allowing it to rotate smoothly while managing the weight and thrust loads placed upon it.

What does 'flanged bearing thrust' mean?

Flanged bearings have an extra lip or flange on one side. This design helps to control the fore-and-aft movement, or thrust, of the crankshaft within the engine block.

When should I consider replacing my main bearings?

Main bearings should be replaced during an engine rebuild or if you notice symptoms of wear, such as knocking noises from the bottom end of the engine, or low oil pressure readings.

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Trusted Since 1957

Est. 1957

ACL Ford Prod. V6 159-171-177 1972-90 Engine Crankshaft Main Bearing Set

Specifications

Brand: ACL
Part #: 4M860P-10

ACL Ford Prod. V6 159-171-177 1972-90 Engine Crankshaft Main Bearing Set

Name: ACL Ford Prod. V6 159-171-177 1972-90 Engine Crankshaft Main Bearing Set
Brand: ACL
SKU: acl-acl-ford-prod-v6-159-171-177-1972-90-engine-crankshaft-main-bearing-set-t14-630851
Price: 17.57 USD
Availability: BackOrder

$17.57

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 1983-1992 Ford Ranger. ACL V6 crankshaft main bearings help keep your engine running smoothly.

Key Features

Fits 1983-1992 Ford Ranger.
ACL V6 crankshaft main bearing set.
Includes flanged bearing thrust for load management.
Designed for proper crankshaft clearance and oil flow.

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Fits this vehicle

Ford Ranger 1983-1992

Product Details

Already running a V6 in your 1983-1992 Ford Ranger? This crankshaft main bearing set is a critical piece for keeping that engine healthy. These bearings sit between the crankshaft and the engine block, allowing the crank to spin freely while supporting its weight. If you're rebuilding your engine or noticing signs of wear, replacing these bearings is a key step.

This set from ACL includes flanged bearings, which help manage the thrust loads on the crankshaft. They're made to fit your Ranger's V6 engine, ensuring proper clearance and oil flow. When you're putting an engine back together, getting the right bearing size and type is essential for long-term reliability.