Profile: Hartmann Bros., Inc. specializes in the remanufacturing of engine pumps and compressor parts. Our product line includes A.E. Clevite engine parts, Bulldog caterpillar gaskets, Federal Mogul engine bearings & pistons, Fel Pro gaskets, Hayden oil coolers, IPD engine parts, Ohio valve guides & engine parts, Tucker valve seats and Vibratech vibration dampers. We also do remanufacturing of cylinder blocks, crankshafts, cylinder heads, lathes & mills and connecting rods.