Northern Lights Heat Exchangers and Water Pumps for 673 Series Generators
Our broad selection of Northern Lights Heat Exchangers and Water Pumps are sure to help with your M673 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
MOUNTING O-RING - M643 / M643K / M643M / NL643 (SEA WATER PUMP)
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COOLANT PUMP INLET GASKET
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COOLANT PUMP INLET GASKET
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FRESH WATER PUMP - M643 / M643K / M643M / NL643 (MARINE)
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THERMOSTAT - M643 / M643K / M643M / NL643 (167DEGF/75DEGC)
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PULLEY - M643 / M643K / M643M / NL643 (FRESH WATER PUMP)
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COOLANT PUMP PULLEY SPACER
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INLET HOSE (FRESH WATER PUMP)
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END CAP - M643 / M643K / M643M / NL643 (HEAT EXCHANGER)
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RAW WATER PUMP DISCHARGE HOSE - M643 / M673
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MOUNTING GASKET - M643 / M643K / M643M / NL643 (FRESH WATER PUMP)
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BACK PLATE GASKET - M643 / M643K / M643M / NL643 (FRESH WATER PUMP)
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GASKET - M673L / M673L2 / M673L3 / M673LD2 (THERMOSTAT HOUSING)
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SPRING - M643 / M643K / M643M / NL643 (THERMOSTAT)
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HEAT EXCHANGER ELEMENT - M643 / M643K / M643M / NL643
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COOLANT FILLER NECK - M643 / M643K / M643M / NL643 (BRASS, 1-1/8")
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COOLANT FILLER CAP - M30C / M673 / L984 / M864K (7 PSI, DOUBLE SEAL)
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RAW WATER PUMP - M643 / M643K / M643M / NL643
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IMPELLER KIT - M643 / M643K / M643M / NL643 (WITH COVER GASKET & O-RING & SCREW)
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REPAIR KIT - M643D (FOR RAW WATER PUMP 25-12007)
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RAW WATER PUMP END COVER - M673 / M673D (76 MM, 6 HOLES)
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SPACER - M643 / M643K / M643M / NL643 (SEA WATER PUMP)
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SEAL - M643 / M643K / M643M / NL643 (SEA WATER PUMP, LIP TYPE)
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SNAP RING - M643 / M643K / M643M / NL643 (SEA WATER PUMP, INTERNAL)
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MECHANICAL SEAL - M643 / M643K / M643M / NL643 (SEA WATER PUMP, GREEN)
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O-RING - M643 / M643K / M643M / NL643 (SEA WATER PUMP)
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BACK COVER GASKET - M643 / M643K / M643M / NL643 (SEA WATER PUMP)
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IMPELLER - M673 M673D / M643 (FOR NL-25-18305 RAW WATER PUMP)
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RAW WATER PUMP DRIVE GEAR - M673 / M673D
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