Northern Lights Water Pumps and Heat Exchangers for 643 Series Generators
Our broad selection of Northern Lights Water Pumps and Heat Exchangers are sure to help with your M643 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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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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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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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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RAW WATER PUMP - M439 / M445 (WITH LUGGER NL LOGO, MECHANICAL SHAFT 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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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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