What does '0.025 inch undersize' mean for these bearings?

This means the bearings are manufactured to be 0.025 inches smaller in diameter than the original factory specification. This size is used when the crankshaft journals have been ground down (machined undersize) to remove imperfections or to prepare for new bearings.

Do I need to measure my crankshaft before ordering?

Yes, it's highly recommended. If your crankshaft has been machined, you must know the exact undersize dimension to select the correct bearing set. If the crankshaft is still at factory size, you would need a standard size bearing set, not this 0.025 undersize set.

What other parts are typically needed when replacing main bearings?

When replacing main bearings, it's common practice to also replace the connecting rod bearings. You'll also need new engine oil and an oil filter, and potentially new main and rod bearing cap bolts if they are stretch-to-yield type.

Specifications

Brand: ACL
Part #: 4M7182A-.25

ACL Chrysler Prod. V6 3.2L-3.5L 1998 on Engine Crankshaft Main Bearing Set

Name: ACL Chrysler Prod. V6 3.2L-3.5L 1998 on Engine Crankshaft Main Bearing Set
Brand: ACL
SKU: acl-acl-chrysler-prod-v6-3-2l-3-5l-1998-on-engine-crankshaft-main-bearing-set-t14-632169
Price: 14.89 USD
Availability: BackOrder

$14.89

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Fits 1998-2004 Chrysler Concorde. ACL crankshaft main bearing set for V6 3.2L-3.5L engines.

Key Features

Fits 1998-2004 Chrysler Concorde, 1999-2004 Chrysler 300M, 1999-2001 Chrysler LHS, and 2005-2008 Chrysler 300.
Designed for Chrysler 3.2L and 3.5L V6 engines with VIN J, 4, G, K, M, or V.
This is a 0.025 inch undersize main bearing set, intended for use with a crankshaft that has been machined to match.
ACL is a well-known manufacturer of engine bearings.
Includes a full set of main bearings for a complete engine rebuild or repair.

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About this part

Product Details

You get a full set of crankshaft main bearings in this kit, which means one box handles the whole job for your Chrysler's V6 engine. These bearings are crucial for keeping your crankshaft spinning smoothly within the engine block. If you're rebuilding your engine or dealing with worn-out bearings, this set is designed to get your 3.2L or 3.5L V6 running right again.

ACL has been making engine bearings for a long time, and this set is built to meet the original specifications for your Chrysler. They're made from a durable material that can handle the constant friction and heat inside your engine. This particular set is sized at 0.025 inches undersize, which is important if your crankshaft journals have been machined down during a previous rebuild or repair. Make sure to check your crankshaft journal size before ordering to ensure you get the correct fitment.