Valve Crosshead 3640458 for Cummins Engine QSK19 QSK19G QSK45 QSK60 Condition: New Note: This 100% part is non-returnable and non-exchangeable. Please verify the correct part number before purchasing, instead of solely relying on the model.Replace Part Number: 3640458, 3641535, 3085964 Fit For Cummins Engine: QSK19 CM500, QSK19G, QSK45 CM500, QSK60 CM2150 K132M, QSK60 CM2150 MCRS, QSK60 CM2150 MCRS G, QSK60 CM2150 MCRS M, QSK60 CM2250 K112, QSK60 CM2350 K116, QSK60 CM2350 K117, QSK60 CM2350 K121, QSK60 CM2350 K135, QSK60 CM2350 K136, QSK60 CM2350 K149M, QSK60 CM500, QSK60 CM850 MCRS, QSK60 G CM2358 K110, QSK60G