Reproduction Of Original Replaces GM # 3720616 Cup Shaped 1/4 Deep 3.5 OD X 5/8 ID 4 - 11/32 Holes Don't forget to add this important item to your water pump install or engine rebuild. Without this spacer you might have belt misalignment or extra wear on the pulley.
Vehicle Fitment:
The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
