PRODUCT NOTES

The Cummins 3957921 zinc electrode plug can be used for the following engines:

• ISM and QSM
• ISB and QSB

This item is a new replacement part shipped with a 12-month factory warranty.

Buy online or call us at +91 9831019511 / 9433042249 if you have any questions about this item.
As always, your satisfaction is guaranteed!