OER Parts offers a wide selection of Car Care Products for your 1973 GMC Jimmy. OER Parts offers 1973 GMC Jimmy Cleaning Supplies, 1973 GMC Jimmy Buckets, 1973 GMC Jimmy Grit Guard Basic Wash System 3.5 Gallon Black Pail With Yellow Lid, 1973 GMC Jimmy Grit Guard Basic Wash System 5 Gallon Yellow Pail With Black Lid, 1973 GMC Jimmy Universal Pad Cleaner, and 1973 GMC Jimmy Grit Guard Dual Bucket Washing System.