The Northern Lights NL-12-00751 hex head cap screw can be used for the following generators and engines:
- M16C, M20CL, M20CR, M40C2, M55C2, M65C2, M99C2
- MP40C, MP55C, MP65C, MP80C, MP99C
- LP445D, LP445T, MP445D, MP445H, MP445T, NL445D1, NL445T1, NL445T2
- M643, M643K, M643M, NL643
- M673, M673L, M673L2, M673L3, M673LD2, M673LD3, NL673, NL673L, NL673L2, NL673L3
- M753K, M753W, M753W2, NL753K, NL753W, NL753W2
- M773LW3, NL773LW3
- M843JK, M843NK, M843NW2, M843NW3, NL843JK, NL843NK, NL843NW2, NL843NW3
- M844K, M844LK, NL844K, NL844LK
- L1064A, L1064D, M1064A, M1064D, M1064H, M1064T1, M1064T2, NL1064D, NL1064H1, NL1064H2, NL1064T1, NL1064T2
- L1066A, L1066H, L1066T, M1066A1, M1066A2, M1066A3, M1066H, M1066T, M1066TMCA, NL1066H1, NL1066H2, NL1066H3, NL1066H4, NL1066T
- L6108, LC6108, M6108
- L6125, M6125
