Drain and fill plugs are 1/4 NPT non magnetic style.
HZ-5074 differential cover fits:
1966-85 Ford Bronco – Front.
1999-UP Ford Excursion Super-Duty – Front.
1999-UP Ford F-Super-Duty – Front.
1972-99 Dodge Ram Pickup – Front.
1972-03 Dodge Ram Pickup – 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.