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: our knowledgeable inside sales staff will gladly assist you.

NL-052400400

MOUNTING O-RING - M643 / M643K / M643M / NL643 (SEA WATER PUMP)

$1.64

Qty:

In Stock

NL-145017390

FRESH WATER PUMP - M643 / M643K / M643M / NL643 (MARINE)

$215.58

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In Stock

NL-145206320

THERMOSTAT - M643 / M643K / M643M / NL643 (167DEGF/75DEGC)

$59.44

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In Stock

NL-145336490

PULLEY - M643 / M643K / M643M / NL643 (FRESH WATER PUMP)

$76.21

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Ships in 1-2 days

NL-145536440

END CAP - M643 / M643K / M643M / NL643 (HEAT EXCHANGER)

$40.90

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In Stock

NL-145536461

RAW WATER PUMP DISCHARGE HOSE - M643 / M673

$57.71

Qty:

In Stock

NL-145537110

COOLANT HOSE - M643

$108.39

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In Stock

NL-145996630

MOUNTING GASKET - M643 / M643K / M643M / NL643 (FRESH WATER PUMP)

$12.70

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In Stock

NL-145996640

BACK PLATE GASKET - M643 / M643K / M643M / NL643 (FRESH WATER PUMP)

$12.70

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In Stock

NL-198217410

SPRING - M643 / M643K / M643M / NL643 (THERMOSTAT)

$24.26

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In Stock

NL-20-12003

HEAT EXCHANGER ELEMENT - M643 / M643K / M643M / NL643

$490.09

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In Stock

NL-20-12207

COOLANT FILLER NECK - M643 / M643K / M643M / NL643 (BRASS, 1-1/8")

$21.15

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In Stock

NL-25-11063

RAW WATER PUMP - M439 / M445 (WITH LUGGER NL LOGO, MECHANICAL SHAFT SEAL)

$902.64

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In Stock

NL-25-12007

RAW WATER PUMP - M643 / M643K / M643M / NL643

$754.87

Qty:

In Stock

NL-25-12009

IMPELLER KIT - M643 / M643K / M643M / NL643 (WITH COVER GASKET & O-RING & SCREW)

From $50.73

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In Stock

NL-25-12010

REPAIR KIT - M643D (FOR RAW WATER PUMP 25-12007)

$247.70

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In Stock

NL-25-12026

SPACER - M643 / M643K / M643M / NL643 (SEA WATER PUMP)

$34.50

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Ships in 1-2 days

NL-25-12028

SEAL - M643 / M643K / M643M / NL643 (SEA WATER PUMP, LIP TYPE)

$26.34

Qty:

In Stock

NL-25-12029

SNAP RING - M643 / M643K / M643M / NL643 (SEA WATER PUMP, INTERNAL)

$21.14

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Ships in 1-2 days

NL-25-12066

MECHANICAL SEAL - M643 / M643K / M643M / NL643 (SEA WATER PUMP, GREEN)

$64.47

Qty:

In Stock

NL-25-18307

O-RING - M643 / M643K / M643M / NL643 (SEA WATER PUMP)

$0.56

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Ships in 1-2 days

NL-25-18322

BACK COVER GASKET - M643 / M643K / M643M / NL643 (SEA WATER PUMP)

$7.77

Qty:

In Stock

NL-25-18325

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

$53.39

Qty:

In Stock

Northern Lights Water Pumps and Heat Exchangers for 643 Series Generators

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