Please refer to your original owner's manual or on the appropriate parts diagram of your model for correct location and fitment of this item. (9603)
Cummins 3957921 Marine Diesel Zinc Electrode Plug
PART #: 3957921
Fits: QSB 6.7 // QSC 8.3
ORIGINAL MANUFACTURER: Cummins Onan
This is a factory original equipment part, not aftermarket.
We do not accept returns of electronic parts.
