Diamond Power Oil Pump works with GMC 2.8L 189 207 213 173 211 2 Year Warranty (This product must be installed by a certified professional mechanic) Same day shipping when purchased before 3pm EST Our products are tested and meet or exceed OEM performance requirements Fits 82-07 BUICK CHEVY GMC PONTIAC SATURN 173 Inlet 5/8 Oil Pumps are made with the best quality materials (aluminum) required by the manufacturer