Drive Belt Idler Pulley. Accessory Drive Belt Idler Pulley. Warranty Duration. 36327, 50003, 900517A, ALT04019, G6020-323475-MTR. Part Numbers. ACDELCO GOLD/PROFESSIONAL CANADA, ACDELCO GOLD/PROFESSIONAL, ALT TENSIONER, CARQUEST/ GATES, CONTINENTAL, GATES CANADA, GATES, LITENS, SERVICE CHAMP BELTS AND TENSIONERS, WORLDPAC.
