GM Service Manual Online
For 1990-2009 cars only

Oil Pump Rotor/Slide Selection Chart

Rotor Thickness

(mm)

(in)

17.9120-17.9219

0.7052-0.7056

17.9220-17.9319

0.7056-0.7060

17.9320-17.9419

0.7060-0.7063

17.9420-17.9519

0.7064-0.7067

17.9520-17.9619

0.7068-0.7071