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Our offices are closed for Labor Day. Orders placed online will be processed on Tuesday 9/2/2025.

Our offices are closed for Labor Day. Orders placed online will be processed on Tuesday 9/2/2025.

Northern Lights Alternators and Switches for 864 Series Generators

Our large selection of Northern Lights Alternators and Switches are sure to help with your M864 Generator needs.

If you do not see the Northern Lights part you are looking for, please use our quote request form or call us at 888.687.0539: our knowledgeable inside sales staff will gladly assist you.


ALTERNATOR - M16C / M20CL / M643 / L984 (12V, 14A)

$672.09

OIL PRESSURE SWITCH - M864K / M864W / M864W3 (STANDARD GROUND)

$121.79

OIL PRESSURE SWITCH - M673L2 (15 PSI, N.C. 1/8 NPT ISO GROUND)

Surplus Item - Special Pricing

$21.46

ALTERNATOR - M843N / M844 (24V/40A, STANDARD GROUND, MEDIUM FRAME)

$821.58

RELAY - M753K / M753W / NL753K / NL753W (24V, DC, SPDT, 20A)

$8.10

WATER TEMPERATURE SWITCH - M864K (210DEGF/98DEGC, 1/2 INCH NPT, N.O.)

$89.52

TOGGLE SWITCH - M643 / M643K / M643M / NL643 (SPDT, BLACK)

Surplus Item - Special Pricing

$13.90

HIGH EXHAUST TEMPERATURE SWITCH - M673L / NL673L (#6-32, UNC-2A)

$283.65

WATER TEMPERATURE SENDER - M773LW2 / M773LW3 / NL773LW3 (250DEGF, 3/8" NPT)

$31.07

SWITCH & HARNESS ASSEMBLY - M753K (12", HIGH EXHAUST TEMPERATURE 205F N.O.)

$566.73

OIL PRESSURE SENDER - M864K / M864W (150 PSI, STANDARD GROUND, 1/8" NPT)

$99.26

OIL PRESSURE SENDER - M864K / M864W (150 PSI, STANDARD GROUND, 1/8" NPT)

$116.25

SOLENOID - M864K (12V, STRAIGHT LINK)

$832.10

TEMPERATURE SENDER 250F ISO GROUND DUAL STATION 1/4NPT - M864K / M864W

$132.76

ROCKER SWITCH - M643 / M643K / M643M / NL643 (SPST)

$15.87

ENGINE TEMPERATURE GAUGE - M16C / MP150C / M643 / L984 (250DEGF/121DEGC, 12V)

$39.09