Dana 44 chrome steel front/rear differential cover with 10 bolt pattern. Includes drain plug. HZ-4815 differential cover fits: 1966-80 Chevy/GMC 1/2 Ton & 3/4 Ton 4WD - Front. 1966-80 Chevy Blazer Full-Size - Front. 1966-80 Chevy Suburban - Front. 1988-03 Chevy/GMC 3/4 Ton & 1 Ton 2WD/4WD - Rear. 1972-06 Dodge Truck with Dana 44 - Front. 1966-79 Ford Trucks F-100, F150, F-250, & F-350 - Front. 1966-79 Ford Bronco Dana 44 - Front. 1974-80 Jeep J Series Trucks Dana 44 - Rear. 1975-80 IH Scout Dana 44 - Front & 1967-80 Dana 44 - Rear.