Name: ACL Nissan QR25 Standard Size Main Bearing Set
Brand: ACL
SKU: acl-acl-nissan-qr25-standard-size-main-bearing-set-t14-280131
Price: 38.26 USD
Availability: BackOrder

Question 1

What does 'standard size' mean?

Accepted Answer

Standard size means the bearing is manufactured to the original equipment dimensions for the specified engine. If your crankshaft journals are within factory specifications, these bearings should fit without issue. If the crank has been turned, you'll need undersized bearings.

Question 2

What other parts should I replace when replacing the main bearings?

Accepted Answer

When replacing main bearings, it's best practice to also replace the connecting rod bearings at the same time. You should also inspect the crankshaft for wear or damage and replace it if necessary. Refer to the factory service manual for torque specifications and any specific installation procedures.

Question 3

How do I know if my main bearings need replacing?

Accepted Answer

Common signs of worn main bearings include a knocking sound from the engine, especially when it's cold or under load. You might also notice a drop in oil pressure. The only way to know for sure is to inspect the bearings themselves for wear or damage.

Specifications

ACL Nissan QR25 Standard Size Main Bearing Set

Key Features

Specifications

Frequently Asked Questions

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