Diamond Power Oil Pump works with Ford F-150 F-250 Expedition Excursion Crown Victoria Lincoln Town Car Navigator Mercury Grand Marquis Cougar Mountaineer 4.6L 5.4L V8 16V SOHC Triton 91-08 - 20mm 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 91-09 Fits Ford 4.6L 5.4L Expedition Excursion F250 F150 Oil Pumps are made with the best quality materials (aluminum) required by the manufacturer