Our office will be closed 9/7/2026 in observance of Labor Day. Orders placed during this time will be processed when our office opens 9/8/2026.
You have no items in your shopping cart.
Replaces old part number 4891226.
The 3947759 Valve Tappet is best used on Cummins ISB and QSB engines. This high quality aftermarket replacement part is guaranteed to meet OEM specifications and is shipped with a 12-month warranty.
VALVE TAPPET
Genuine Cummins Part
$33.45
REMANUFACTURED CAMSHAFT - ISB 6.7 / QSB
Additional refundable core charge: $198.00 (See Details)
$342.21