GM Service Manual Online
For 1990-2009 cars only

Connecting Rod Bearing Grade

Connecting Rod Grade (Stamped on Connecting Rod)

Use This Bearing Color

Bearing Thickness

Oil Clearance

Metric (mm)

English (in)

Metric (mm)

English (in)

A

Green

2.007 - 2.013

0.0790 - 0.0793

0.037 - 0.076

0.0015 - 0.0030

B

Yellow

2.011 - 2.017

0.0792 - 0.0794

0.037 - 0.076

0.0015 - 0.0030