PRODUCT NOTES
The Northern Lights NL-111316280 cylinder block insert can be used for the following generators:
- M643, M643K, M643M, NL643
- M673, M673L, NL673, NL673L
This is a genuine Northern Lights part shipped with a 6-month factory warranty.
Call us at 888.687.0539 if you have any questions about this item.
As always, your satisfaction is guaranteed!