Driven DBR 15W-40 Conventional Diesel Break-In Oil - 1 Gallon Jug Mastercraft Safety 4 AN Male to 10

4 AN Male to 10 mm x 1

Side B is AN-12

1979-1981 GMC K2500

a toggle switch

Driven DBR 15W-40 Conventional Diesel Break-In Oil - 1 Gallon Jug Mastercraft Safety 4 AN Male to 10DBR promotes proper surface mating during the critical break in process and chemically assists with piston ring sealing. A low detergent level allows the fast burn ZDDP additive to adhere directly to all ferrous metal wear surfaces for maximum scuffing protection of flat tappet cams, bushing lifters, cam driven fuel pumps, turbocharger bearings and cylinder bores. Can be used in naturally aspirated and turbo diesel engines and is also safe for engines