Since I needed a new diff cover anyway: later model 10.5 finned aluminum (08-10 Super Duties.) Dorman part 697-725. Being a Dorman it's not 100% flat but hopefully torquing it down will take care of that. Bolts are pn: 960112D: flanged 5/16-18, 1 1/4 length.

Owner caption April 2019 · Photo 98 of 107