What is the difference between standard and undersize bearings?

Standard (STD) bearings are the same size as the original equipment bearings. Undersize bearings (like -010 or -020) are used when the crankshaft journals have been machined down due to wear or damage, requiring a slightly smaller bearing to maintain proper clearance.

Do these bearings come with installation instructions?

While these bearings are designed as a direct replacement, it's always best to consult your vehicle's specific service manual for detailed installation procedures, torque specifications, and any necessary preparation steps for the crankshaft.

What other parts are typically replaced when installing main bearings?

When replacing main bearings, it's common practice to also replace the connecting rod bearings (rod bearings) and check the condition of the crankshaft itself. Ensure all oil passages are clean and clear before reassembly.

Specifications

Brand: ACL
Part #: 4M7295A-STD

ACL Ford Prod. V6 232 - 256 1982-on Engine Crankshaft Main Bearing Set

Name: ACL Ford Prod. V6 232 - 256 1982-on Engine Crankshaft Main Bearing Set
Brand: ACL
SKU: acl-acl-ford-prod-v6-232-256-1982-on-engine-crankshaft-main-bearing-set-t14-630662
Price: 28.17 USD
Availability: BackOrder

$28.17

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Fits 1982-1997 Ford Thunderbird. ACL crankshaft main bearings for Ford V6 3.8L/4.2L engines.

Key Features

Fits 1982-1997 Ford Thunderbird, 1994-2004 Ford Mustang, 1995-2003 Ford Windstar, and 1987-1997 Mercury Cougar.
Designed for Ford V6 engines, 3.8L (232ci) and 4.2L (256ci) with OHV VIN 2, 3, 4, C, R (including Supercharged).
Standard (STD) size bearings ensure direct replacement for original equipment.
Multi-layer construction with steel backing, bronze interlayer, and bearing overlay for durability and wear resistance.
Helps maintain proper crankshaft oil clearance and reduces friction.

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About this part

Product Details

ACL has been making engine bearings for decades, and these crankshaft main bearings for your Ford are one of their staples. If you're rebuilding or repairing your Ford V6 engine, specifically the 3.8L (232ci) or 4.2L (256ci) models from 1982 onwards, these standard-size bearings are a solid choice. They are designed to replace the original equipment bearings, ensuring proper clearance and lubrication for your crankshaft.

These bearings are built to meet the demands of daily driving and the occasional hard run. They feature a multi-layer construction with a steel backing for strength, a bronze interlayer for good embeddability, and a bearing overlay that handles the load. This combination helps protect your crankshaft journals from wear and ensures the oil film stays where it needs to be, keeping friction down and engine life up. They fit a range of Ford and Mercury vehicles, including the Mustang, Windstar, and Cougar, making them a versatile option for many V6 applications.

When installing new main bearings, it's crucial to ensure your crankshaft journals are clean and within factory specifications. Always refer to your vehicle's service manual for the correct installation procedures and torque specifications to get the most out of these well-made bearings.