Ford Sterling Black steel rear differential cover with 12 bolt pattern. Fits 12 bolt Ford truck rear ends with heavy-duty Sterling 10-1/2" ring gear. HZ-9466 differential cover fits: 1986-UP Ford E-250 Van 2WD/4WD - Rear. 1986-UP Ford E-350 Van 2WD/4WD - Rear. 1986-UP Ford F-250 Truck 2WD/4WD - Rear. 1986-UP Ford F-350 Truck 2WD/4WD - Rear. 1986-UP Ford Excursion 2WD/4WD - Rear. Note: Due to variety of options, we are unable to determine the correct cover for your specific vehicle. Please contact your local dealer for assistance in obtaining the correct fitment information for your vehicle.