Cooling water pumps / Seawater pumps

Crusader cooling water pumps & seawater pumps

Cooling water pumps and seawater pumps for Crusader marine engines are key components of a boat engine's cooling system. In this category, you will find Crusader water pumps for marine engines that reliably pump cooling water through heat exchangers and cooling systems. High-quality pumps ensure a stable engine temperature and support the safe and efficient operation of Crusader inboard engines.


Water pump for Mercruiser, OMC, Volvo Penta 4.3L, 5.0L, 5.7L
Water pump for Mercruiser, OMC, Volvo Penta 4.3L, 5.0L, 5.7L
article nr.00432

Marine water pump (circulation pump) for the V6 / V8 small block engines GM262, GM305, GM350.Mercruiser 8M0113734, 8503991, 850399, 17437, 60658, 811841, 850399-1 Volvo Penta / OMC 3853850-0, 3853850, 382218, 980477, 985429, 856364-5, 835390-6, 3851982-3

96,99 EUR / Piece
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Seawater pump for Volvo Penta V6/V8, MD3860703
Seawater pump for Volvo Penta V6/V8, MD3860703
article nr.03215

For V6 and V8 engines where the pump is driven via the crankshaft.
Volvo Penta Ref. no. 857451-9 and 856952-7, 856513-7, 3860703

236,78 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Water pump for V8 GM 7.4L / 8.2L, MD850454
Water pump for V8 GM 7.4L / 8.2L, MD850454
article nr.03069

Mercruiser ref. no. 8504541, Volvo Penta ref. no. 3855991, OMC ref. no. 3855991

124,12 EUR / Piece
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Water pump for V8 Ford 5.0L, 5.8L, MD883885
Water pump for V8 Ford 5.0L, 5.8L, MD883885
article nr.01393

Mercruiser ref. no. 883885, Volvo Penta ref. no. 3853796, OMC ref. no. 982517

220,91 EUR / Piece
incl. 19% VAT
Derzeit nicht verfügbar **
24 months statutory warranty
Plesurecraft pump 1014
Sherwood
Plesurecraft pump 1014
article nr.SHEP1014

Suitable for the following models: 220, 270, 300, 350

1.051,01 EUR / Piece
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
(Max quantity: 1 Piece)
Water pump Crusader 97179
Sherwood
Water pump Crusader 97179
article nr.SHEE35

Suitable for the following models: 220, 270, 300 & 350

1.098,10 EUR / Piece
incl. 19% VAT
Derzeit nicht verfügbar **
24 months statutory warranty
Water pump P1014 Crusader Ra057031 Water pump P1014 Crusader Ra057031
Recmar
Water pump P1014 Crusader Ra057031
article nr.RECP1014

Suitable for the following models: 220, 270, 300, 350

379,34 EUR / Piece
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Displaying 1 to 7 (of 7 products)
  • Over 15 years’ experience in the marine spare parts trade
    Over 15 years’ experience in the marine spare parts trade
  • Official Mercury & MerCruiser dealer
    Official Mercury & MerCruiser dealer
  • A wide range of boat engine spare parts from A to Z
    A wide range of boat engine spare parts from A to Z
  • Spare parts for Volvo Penta, MerCruiser, Yamaha, Honda, Suzuki and more
    Spare parts for Volvo Penta, MerCruiser, Yamaha, Honda, Suzuki and more
  • Fast delivery for maintenance, servicing and repairs
    Fast delivery for maintenance, servicing and repairs
  • Order boat spare parts conveniently online 24/7
    Order boat spare parts conveniently online 24/7

Cooling water pumps and raw water pumps for Crusader Marine engines

The raw water pump is a central component in the cooling system of a marine engine. It pumps water from the environment through the engine's cooling system and ensures that excess heat is reliably dissipated. This keeps the operating temperature of the engine stable and prevents overheating.

In many boat engines, the water drawn in is first passed through filters or seawater strainers and then through heat exchangers, oil coolers or other cooling components before being released back into the water.

Function of the seawater pump in the marine cooling system

The seawater pump performs several important tasks in the boat's propulsion system:

  • Suction of seawater via the onboard feedthrough

  • Pumping the water through the heat exchanger and cooler

  • Dissipating engine heat from the cooling system

  • Cooling of exhaust components in the exhaust system

In many marine engines, the seawater pump is the central element of the open cooling circuit, while an additional closed cooling circuit operates with coolant in the engine block.

Crusader cooling water pumps for inboard engines

Crusader Marine engines are often equipped with powerful V-8 inboard engines in which the cooling water pump is driven either via belts or directly via the crankshaft. These pumps are usually made of corrosion-resistant materials such as bronze and are designed for long-term use in salt water and fresh water.

Maintenance and replacement of water pumps

Cooling water pumps are permanently exposed to high loads as well as salt water and deposits. Wearing parts such as impellers, seals or bearings should therefore be checked regularly and replaced if necessary. Regular maintenance helps to prevent cooling problems and extend the service life of the engine.

In this category you will find Crusader cooling water pumps and seawater pumps for various marine engines that are required for the maintenance, repair and reliable operation of boat drives.