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Volvo Penta Cooling System Parts

Volvo Penta Cooling System Parts

Volvo Penta Impellers, Pumps, Thermostats, Heat Exchangers & Cooling Parts

Shop Volvo Penta cooling system parts for raw-water, freshwater, closed-cooling, and engine temperature-control service. Find impellers, raw-water pumps, circulation pumps, thermostats, heat exchangers, oil coolers, hoses, caps, gaskets, seals, strainers, and cooling service kits.

Shop Volvo Penta Cooling Parts Impellers Thermostats
Fitment Check

Use your engine serial number, current part number, cooling layout, hose size, pump style, and photos before ordering Volvo Penta cooling parts.

Ask Parts Desk

Cooling parts can vary by engine model, serial range, raw-water versus closed-cooling setup, drive package, and superseded part number.

Find Cooling Parts Faster

Search by Serial Number, Part Number, Engine Model, or Cooling Component

Volvo Penta cooling systems are fitment-sensitive. Search by exact part number when possible, or use engine model, serial number, pump type, hose size, thermostat temperature, or the cooling part you are replacing.

Raw-Water Side

Seawater Flow Protects the Engine and Exhaust

Raw-water pumps, impellers, strainers, hoses, oil coolers, heat exchangers, and exhaust discharge parts move seawater through the cooling path. Restricted flow can quickly cause overheating.

Raw-Water PumpsStrainersExhaust Cooling

Freshwater / Closed Cooling

Thermostats, Coolant, and Heat Exchangers Control Temperature

Closed-cooling systems depend on the right coolant, thermostat, circulation pump, heat exchanger, caps, seals, and clean passages to keep engine temperature stable.

CoolantThermostatsHeat Exchangers
IMP

Impeller Service

Impellers should be inspected regularly and replaced before missing vanes or stiffness cause weak seawater flow.

TEMP

Temperature Control

Thermostats, senders, pumps, coolant, and heat exchangers all affect stable engine temperature.

SEAL

Leak Prevention

Cooling gaskets, O-rings, end-cap seals, clamps, caps, and hose condition matter during every cooling service.

Cooling Service Guidance

Overheating Usually Deserves a Full-System Look

Replacing one part may not solve a cooling issue if the root cause is a restricted strainer, worn impeller, blocked heat exchanger, failing thermostat, soft hose, leaking cap, weak pump, or exhaust restriction.

Inspect seawater flowCheck strainer, seacock, hoses, impeller, pump cover, cam, wear plate, and discharge flow.
Check closed coolingConfirm coolant condition, level, cap, thermostat, circulation pump, and heat exchanger condition.
Replace seals carefullyUse the correct gaskets, O-rings, washers, and end-cap seals when opening cooling components.
Watch for corrosionSalt trails, pitting, clogged passages, green deposits, and leaking end caps are warning signs.

FAQ

Volvo Penta Cooling Questions

How do I find the right Volvo Penta cooling part?

Start with the engine serial number, existing part number, current component photos, hose sizes, and whether the system is raw-water cooled or closed cooled.

What causes Volvo Penta overheating?

Common causes include worn impellers, clogged strainers, blocked heat exchangers, failing thermostats, collapsed hoses, weak pumps, low coolant, exhaust restrictions, or air leaks on the intake side.

Should I replace gaskets and O-rings during cooling service?

Yes, whenever a cooling component is opened, use the correct replacement seals, gaskets, O-rings, and washers for that part and engine model.

Can Marisol help identify cooling parts?

Yes. Send the Parts Desk your engine serial number, model, photos of the part, hose diameter, old part numbers, and the symptom you are trying to solve.

Ready to Service the Cooling System?

Shop Volvo Penta Impellers, Pumps, Thermostats, Heat Exchangers, Hoses & Cooling Parts

Search by serial number, exact part number, engine model, pump type, hose size, thermostat, cooler, gasket, seal, or cooling-system symptom.

Shop Volvo Penta Cooling PartsRaw-Water PumpsHeat Exchangers

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Volvo Penta Impeller Kit 21700445

$125.00 - $125.00
$125.00
$125.00
$125.00 - $125.00
$125.00
Out of stock

The Volvo Penta Impeller Kit 21700445 is a complete raw water pump service kit designed to maintain proper cooling system performance in modern Vol...

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$125.00 - $125.00
$125.00
$125.00
$125.00 - $125.00
$125.00
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Volvo Penta - Charge Air Cooler Thermostat Kit - 3588437

$0.00 - $0.00
$0.00
$250.00
$250.00 - $250.00
$250.00
Out of stock

The Volvo Penta 3588437 is a genuine OEM charge air cooler thermostat kit used on select Volvo Penta D4 and D6 marine diesel engines. This kit serv...

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$0.00 - $0.00
$0.00
$250.00
$250.00 - $250.00
$250.00
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Volvo Penta Pump Shaft Kit 826867 - Special Order

$274.00 - $274.00
$274.00
$274.00
$274.00 - $274.00
$274.00
Out of stock

The Volvo Penta Pump Shaft Kit 826867 is an OEM circulation-pump shaft service kit used on Volvo Penta MD21B applications. It is part of the MD21B ...

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$274.00 - $274.00
$274.00
$274.00
$274.00 - $274.00
$274.00
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Volvo Penta Impeller Kit 22307636 – D9 D11 D12 Raw Water Pump Service Kit

$120.00 - $120.00
$120.00
$120.00
$120.00 - $120.00
$120.00
Out of stock

Product Description The Volvo Penta Impeller Kit 22307636 is a complete raw water pump service kit designed to maintain proper cooling system perf...

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$120.00 - $120.00
$120.00
$120.00
$120.00 - $120.00
$120.00
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Volvo Penta Impeller Kit 21951348

$122.00 - $122.00
$122.00
$122.00
$122.00 - $122.00
$122.00
Out of stock

The Volvo Penta Impeller Kit 21951348 is a complete raw water pump service kit designed to maintain proper cooling system performance in Volvo Pent...

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$122.00 - $122.00
$122.00
$122.00
$122.00 - $122.00
$122.00
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Volvo Penta Impeller Kit 21951342

$71.00 - $71.00
$71.00
$71.00
$71.00 - $71.00
$71.00
Out of stock

Volvo Penta 21951342 is a genuine OEM impeller kit used in Volvo Penta raw-water cooling system service. Current parts sources consistently identif...

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$71.00 - $71.00
$71.00
$71.00
$71.00 - $71.00
$71.00
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Volvo Penta Coolant Pump 24499735

$1,359.00 - $1,359.00
$1,359.00
$1,359.00 - $1,359.00
$1,359.00
Out of stock

Volvo Penta 24499735 is a genuine OEM coolant pump for select Volvo Penta marine applications. Volvo Penta identifies this part as Coolant Pump, an...

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$1,359.00 - $1,359.00
$1,359.00
$1,359.00 - $1,359.00
$1,359.00
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