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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 Thermostats and Heat Exchangers for 944 Series Generators

Our broad selection of Northern Lights Thermostats and Heat Exchangers are sure to help with your M944 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.


THERMOSTAT SEAL RING - M944W / M843-12N / M984 / M854B

$26.47

HEAT EXCHANGER ASSEMBLY, CU-NI WHITE L-M944D-T - M944W / M944W

$1,908.26

ZINC ELECTRODE - M864K / M864W / M864W3 (11/32" OD X 1-3/4" X 5/16-18 THREAD)

$10.06

COOLANT FILLER CAP - M30C / M673 / L984 / M864K (7 PSI, DOUBLE SEAL)

$18.94

IMPELLER KIT - M30CW / MP40C / LP445D / L944D (WITH GASKET AND O-RING)

$65.30

REPAIR KIT - L944D / M944T / M944W / NL944D2 (FOR SEA WATER PUMP NL-2511202)

$389.53

COOLANT PUMP - L-M944 (SPARE PARTS SERVICE ASSEMBLY)

$739.54

COOLANT PUMP - M944T / M944T3 / M38CR2 / M40C3 (SPARE PARTS SERVICE ASSEMBLY)

$895.53

SPLINE SEAL - ONLY SOLD IN 25-12060 IMPELLER KIT

Call for price

WEAR PLATE - L944D / M944T / M944W / NL944D2 (SEA WATER PUMP)

$18.78

O-RING - L944D / M944T / M944W / NL944D2 (SEA WATER PUMP)

$2.76

THERMOSTAT - L944D / M944T / M944W / NL944D2 (180DEGF/82DEGC)

$15.20