GM Service Manual Online
For 1990-2009 cars only

Front Differential Drive Pinion Gear and Differential Thrust Washer Selection Chart

Thrust Washer O.D. Color Code

Washer Thickness

Metric

English

Brown

0.494 mm

0.020 in

Purple

0.545 mm

0.022 in

Black

0.596 mm

0.024 in

Pink

0.647 mm

0.026 in

Dark Blue

0.698 mm

0.028 in

Light Green

0.749 mm

0.030 in

Plain

0.800 mm

0.032 in

White

0.851 mm

0.034 in

Light Blue

0.902 mm

0.036 in

Orange

0.953 mm

0.038 in

White/Black

1.004 mm

0.040 in

White/Orange

1.055 mm

0.042 in

White/Light Green

1.106 mm

0.044 in