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Authorized Dealer
888.640.4791 (U.S.)
|
225.706.4856 (Int.)
Monday-Friday 7am-5pm CST

northern lights logo Logo

Authorized Dealer

Closed for 4th of July. Orders will be processed on the 5th.

Cooling System Components for Northern Lights M643 Generators

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Northern Lights cooling system

As an Authorized Northern Lights Dealer, we have a huge inventory of genuine cooling system components for Northern Lights M643 generators, including fresh water pumps, raw water pumps, thermostats, raw water pump impellers and impeller kits.

If you do not see the Northern Lights part you are looking for, please use our quote request form or call us at 888.640.4791: our knowledgeable inside sales staff will gladly assist you.


IMPELLER KIT (WITH COVER GASKET & O-RING & SCREW)

  • $44.60
    • $44.60
    Qty: 

    RAW WATER PUMP

  • $472.11
    • $472.11
    Qty: 

    MECHANICAL SEAL (SEA WATER PUMP, GREEN)

  • $55.37
    • $55.37
    Qty: 

    END CAP (HEAT EXCHANGER)

  • $29.91
    • $29.91
    Qty: 

    O-RING

  • $1.75
    • $1.75
    Qty: 

    REPAIR KIT (FOR RAW WATER PUMP 25-12007)

  • $172.28
    • $172.28
    Qty: 

    MOUNTING GASKET (FRESH WATER PUMP)

  • $13.12
    • $13.12
    Qty: 

    BACK PLATE GASKET (FRESH WATER PUMP)

  • $13.12
    • $13.12
    Qty: 

    MOUNTING O-RING (SEA WATER PUMP)

  • $1.39
    • $1.39
    Qty: 

    FRESH WATER PUMP (MARINE)

  • $251.71
    • $251.71
    Qty: 

    SEAL (SEA WATER PUMP, LIP TYPE)

  • $20.14
    • $20.14
    Qty: 

    THERMOSTAT (167°F/75°C)

  • $23.49
    • $23.49
    Qty: 

    SPRING (THERMOSTAT)

  • $6.59
    • $6.59
    Qty: 

    BACK COVER GASKET (SEA WATER PUMP)

  • $6.74
    • $6.74
    Qty: 

    HEAT EXCHANGER ELEMENT

  • $411.22
    • $411.22
    Qty: 

    O-RING (SEA WATER PUMP)

  • $0.54
    • $0.54
    Qty: 

    FRESH WATER PUMP (INDUSTRIAL)

  • $268.68
    • $268.68
    Qty: 

    SPACER (SEA WATER PUMP)

  • $27.66
    • $27.66
    Qty: 

    PULLEY (FRESH WATER PUMP)

  • $56.09
    • $56.09
    Qty: 

    SNAP RING (SEA WATER PUMP, INTERNAL)

  • $16.11
    • $16.11
    Qty: 

    IMPELLER (FOR NL-25-18305 RAW WATER PUMP) - M673 M673D / M643

  • $46.31
    • $46.31
    Qty: 

    COOLANT FILLER NECK (BRASS, 1-1/8")

  • $17.26
    • $17.26
    Qty: 
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