4122 UNBR7HS-NGK Overcoat Interval: 4 hours at

Overcoat Interval: 4 hours at 20C

No lubes included

For Mercury and Mariner Outboards and MerCruiser Stern Drive and Inboard Engines

Controls & Battery)

Built-in sonar compatibility only available on xsv models

4122 UNBR7HS-NGK Overcoat Interval: 4 hours atSpark plug NGK BR7HS (4122) Spark plug NGK BR7HS (4122) Early Mariner 3. 5 (M) 642 00000 23740 3. 5 (ML) 642 00000 41690 A (M, ML) 6E0 ALL 5A (M, ML) 661 ALL 5C (M, ML) 6E3 ALL 8B (M, ML) 677 ALL W8(M, ML) 677 ALL 8 Marathon 677 ALL 9. 9C (M) 682 000551 032885 9. 9C (ML) 682 300826 338410 9. 9C (E) 682 250101 250945 9. 9C (EL) 682 550141 552315 15A (M, ML) 651 ALL 15C (M) 684 000101 020025 15C (ML) 684 300101 316415 15C (E) 684 250101 251060 15C (EL)