Genuine Holset Cummins HY35 HX35 HX40 HE341 HE351 Turbo Rebuild Kit For HY35, HX35, HX40, HE341, HE351, HE351CW Include Heat Shield Highest Quality Genuine Kit Online! Machined from Copper Bar Thrust Bearing Compressor Housing O-ring (Bearing Housing Must be Machined)