1949-1951, 1955 General Motors NOS Engine Water Pump Belt Idler Pulley GM # 557748

This new old stock engine water pump idler pulley was manufactured by General Motors for use on the following models:

GMC Truck 1955 Y Series 55-65,

Oldsmobile 1949-1951 with 8-cylinder   (2nd type).

3-11/16″ diameter 5/8″ groove

Parts Catalog Note: Used on engines less harmonic balancer with narrow fan belt.

NOTE:  Images show the condition and what is included in the sale.

*This item may be re-packaged to protect it from shelf wear.