1987 GMC R3500 7.4L V8; EngVIN: W;. 1988 GMC R3500 7.4L V8;. 1989 GMC R3500 7.4L V8; EngVIN: W;. Accessory Drive Belt Tensioner Pulley. IDLER/TENSIONER PULLEY, LT DUTY. 2022 DT Auto Parts Inc.
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