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This is a genuine Northern Lights Cotter for 643 marine generator sets. This is a genuine Northern Lights part shipped with a 6-month warranty.
Call us at 888.687.0539 with questions or buy online. As always, your satisfaction is guaranteed!
INTAKE VALVE - M643 / M643K / M643M / NL643
$30.34
EXHAUST VALVE - M673 / M673L / M673L2 / M673L3
$26.14
VALVE GUIDE SEAL - M643 / M643K / M643M / NL643
$12.28
VALVE SPRING - M643 / M643K / M643M / NL643
$6.74
