Our offices are closed for Labor Day. Orders placed online will be processed on Tuesday 9/2/2025.
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This is a genuine Northern Lights Stud. 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!
GASKET - M643 / M643K / M643M / NL643 (EXHAUST OUTLET)
$4.91
EXHAUST MANIFOLD MOUNTING GASKET - M673
$27.84
COOLANT FILLER CAP - M30C / M673 / L984 / M864K (7 PSI, DOUBLE SEAL)
$18.94
THERMOSTAT - M643 / M643K / M643M / NL643 (167DEGF/75DEGC)
$59.44
END CAP - M643 / M643K / M643M / NL643 (HEAT EXCHANGER)
$79.99
SPRING - M643 / M643K / M643M / NL643 (THERMOSTAT)
$24.26
EXHAUST MANIFOLD / EXPANSION TANK - M643 / M643K / M643M / ML643
$1,256.95
HEX HEAD CAP SCREW - M16C / M20CL / M20CR / M20CR2 (WITH LOCK WASHER)
$2.76
