• Parts
  • Manuals

Cooling System Components for Northern Lights M643 Generators

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.

Need Assistance Selecting Your Northern Lights Cooling System Component?

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.

NL-145206062

Item Guaranteed in Stock
THERMOSTAT (167°F/75°C)
$24.26 Qty:

NL-25-12026

SPACER (RAW WATER PUMP)
$26.89 Qty:

NL-145336490

PULLEY (FRESH WATER PUMP)
$73.76 Qty:

NL-145996640

Item Guaranteed in Stock
BACK PLATE GASKET (FRESH WATER PUMP)
$14.22 Qty:

NL-145016860

Item Guaranteed in Stock
FRESH WATER PUMP (MARINE)
$412.99 Qty:

NL-25-12010

Item Guaranteed in Stock
REPAIR KIT (FOR RAW WATER PUMP NL-2512007)
$150.30 Qty:

NL-198217410

Item Guaranteed in Stock
SPRING (THERMOSTAT)
$6.63 Qty:

NL-25-12028

SEAL (RAW WATER PUMP, LIP TYPE)
$19.56 Qty:

NL-25-12007

Item Guaranteed in Stock
RAW WATER PUMP
$498.59 Qty:

NL-25-18307

Item Guaranteed in Stock
O-RING (RAW WATER PUMP)
$0.41 Qty:
Guaranteed in stock

hundreds of
items guaranteed
in stock!

click here for details.

Newsletter

Join our newsletter and
stay informed on your
favorite manufacturers