12 heavy duty land vehicle diesel engine replacement parts; namely, bearings, bolts, bridges, bushings, cam bushing sets, cam follower assemblies, cam shafts, caps, cones, connecting rods, couplings, crank shafts, cylinder kits, dipsticks, dome kits, oil cooler elements, gears, guides, housings, hubs, idler assemblies, impellers, inserts, liners, lock halves, lube pump assemblies, main bearing sets, main bearings, nuts, pulleys, pulse manifolds, push rods, retainers, rocker arm assemblies, rod bearings, roller sets, rollers, rollers and pins, shafts, shafts and bearings, sleeves, spring packs, springs, studs, tappet assemblies, tappets, thrust washers, valves, vibration dampers, washers and water pumps