Heavy Equipment Supply supplies a full range of parts for Caterpillar®, Komatsu®, Cummins® Engines: cylinder blocks, cylinder heads, crankshafts, camshafts, pistons, liners, connecting rods, bearings, valves, injectors, fuel pumps, timing gears, water pumps, oil pumps, oil coolers, manifolds, fans, filters, turbochargers, starters, alternators and many more.