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Impellers

Marine Impellers & Water Pump Service Parts

Marine Impellers, Impeller Kits & Raw-Water Pump Service Parts

Shop boat impellers, impeller kits, run-dry impellers, water pump service kits, gaskets, seals, keys, wear plates, and raw-water pump parts for outboard, inboard, and sterndrive cooling systems.

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Fitment Check

Match by engine serial number, pump model, existing part number, hub style, shaft fit, diameter, width, vane count, and kit contents before ordering.

Ask Parts Desk

Many impellers look similar but fit differently. Confirm the part number or pump application whenever possible, especially before replacing a kit with an impeller-only part.

Quick ShopTop OEMBrand GridFitmentProduct GroupsServiceFAQThermostats & CoolingBelts, Hoses & Clamps

Impeller Brand & Manufacturer Grid

Search Impellers by Engine Brand, Pump Manufacturer, or Aftermarket Reference

Use these search tiles when you know the outboard brand, diesel or inboard engine, generator, pump manufacturer, aftermarket brand, or equipment reference. Final fitment should still be confirmed by part number, pump model, engine serial number, measurements, or a parts diagram.

Other Top Outboard Brands

YamahaOutboard impellers, water pump kits, keys, gaskets, and cooling service parts Honda MarineHonda outboard impellers, pump kits, gaskets, and water pump service items Suzuki MarineSuzuki outboard impellers, cooling kits, pump parts, and service searches TohatsuTohatsu outboard impellers, water pump kits, keys, seals, and gaskets Johnson / EvinrudeOutboard impellers, pump service kits, and legacy cooling parts OMCLegacy OMC outboard and sterndrive impeller searches Nissan MarineNissan outboard impellers and water pump service parts MarinerMariner outboard impeller and pump kit searches ForceForce outboard impellers and water pump replacement searches Chrysler OutboardClassic Chrysler outboard impeller and cooling service searches Mercury OutboardMercury outboard impellers, water pump kits, and cooling parts ParsunParsun outboard impeller and water pump kit searches

Inboard & Marine Diesel Brands

CaterpillarMarine diesel impellers and raw-water pump service searches CrusaderInboard engine impellers, kits, and cooling-service parts CumminsMarine diesel impellers, pump kits, and service parts Detroit DieselDiesel raw-water pump impellers and cooling parts DoosanMarine diesel impeller and water-pump service searches Ford LehmanClassic diesel impellers, pump parts, and cooling service IndmarWake and tow boat engine impellers and cooling kits MANMarine diesel impeller and pump service searches Marine PowerGas inboard impellers and raw-water cooling parts Mercury MerCruiserOutboard, sterndrive, and inboard impeller searches Nanni DieselDiesel engine impellers, kits, and cooling service support PerkinsMarine diesel impellers, pump parts, and service items PCM EnginesInboard engine impellers, kits, and cooling parts Volvo PentaVolvo Penta impellers, kits, and raw-water pump parts Volkswagen MarineMarine diesel impellers and cooling-system service searches YanmarYanmar diesel impellers, pump kits, and cooling service parts

Generator Brands

KohlerMarine generator impellers, service kits, and cooling parts Northern LightsGenerator impellers, pump kits, and cooling maintenance parts OnanMarine generator impellers and service kit searches WesterbekeGenerator impellers, engine impellers, kits, and pump service parts Cummins OnanCummins Onan generator impeller and service searches MaseMarine generator impeller and pump service searches Fischer PandaGenerator impellers, pump kits, and cooling service parts PhasorMarine generator impeller and water pump service searches

Pump & Impeller Manufacturers

JabscoFlexible impellers, pump kits, covers, and service parts Johnson PumpImpellers, raw-water pump kits, and cooling pump parts OberdorferImpellers and pump service parts for Oberdorfer applications SherwoodRaw-water pump impellers, kits, wear plates, and seals VetusVetus impellers and cooling pump service searches General Pump ImpellersFlexible pump impellers, raw-water pump parts, and service kits by measurement or pump model

Marine Parts & Aftermarket Brands

AncorMarine parts and cross-search support where applicable CEFCEF impellers and aftermarket replacement searches SierraAftermarket impellers, kits, and cooling service parts MalloryAftermarket impeller and water pump service searches RA Cross-ReferenceAftermarket cross-reference searches for matching impeller numbers NikkisoNikkiso impeller and pump reference searches

Marine Equipment / OEM References

Ballast KingBallast pump impeller and marine equipment reference searches

Fitment

Part Number First, Measurements Second

Impellers can share the same general shape while using different hub types, splines, shaft fits, widths, diameters, vane counts, and kit contents. Use the engine serial number, water pump model, existing part number, or parts diagram whenever possible.

Part Number SearchImpeller KitsPump Model SearchParts Desk

Why It Matters

Impellers Protect the Cooling System

A worn, cracked, stiff, or missing-vane impeller can reduce raw-water flow and lead to overheating. Regular impeller service helps protect engines, exhaust components, pumps, and the rest of the cooling system.

Search by OEM, old part number, pump brand, engine model, shaft fit, kit type, or service task.

IMP

Impellers

Replacement rubber impellers for routine raw-water pump service and cooling-system maintenance.

KIT

Kits

Impeller kits and water pump service kits can include gaskets, O-rings, keys, seals, plates, cups, or related parts.

FLOW

Cooling Support

Pair impeller service with hose, belt, thermostat, strainer, and raw-water pump inspections when troubleshooting heat issues.

Popular Brand Searches

Search by Engine or Pump Brand

If you do not have a part number, brand searches can help narrow the field before confirming final fitment.

YamahaSuzukiSierraJabscoJohnson Pump

Impeller Only or Complete Kit?

Match the Repair to the Pump Condition

An impeller-only replacement may be enough when the pump body, cover, cup, and wear surfaces are clean. Choose a kit when gaskets, keys, seals, wear plates, cups, or housing pieces should be replaced at the same time.

Impeller OnlyComplete KitsPump Repair Kits

Service

Replace Before Cooling Flow Drops

Impellers are routine maintenance parts. Heat, age, dry starts, sand, debris, long storage, and low water flow can all shorten service life. Inspect the old impeller carefully and account for any missing vane pieces.

Inspect each seasonCheck for cracked vanes, stiffness, missing pieces, hub damage, set, or rubber dust.
Check the pump bodyLook at the cover, wear plate, cup, housing, cam, seals, and gaskets before closing the pump.
Find missing vanesIf pieces are missing, inspect downstream hoses, coolers, and heat exchangers where fragments may lodge.
Carry a spareKeeping the correct impeller or kit onboard can save a trip when cooling flow suddenly changes.

FAQ

Marine Impeller Questions

How do I find the correct boat impeller?

Start with the existing part number, engine serial number, pump model, or OEM parts diagram. Measurements can help, but they should not replace exact part confirmation.

Should I buy an impeller kit instead of just the impeller?

Choose a kit when the pump has unknown service history, damaged gaskets, worn seals, scored wear surfaces, or small hardware that should be replaced while the pump is open.

When should a boat impeller be replaced?

Inspect it at least once per season and replace it sooner if cooling flow drops, the engine runs warm, the boat was run dry, or the impeller shows cracking, stiffness, or missing vanes.

Can I match an impeller by appearance?

Appearance alone is not reliable. Many impellers look similar but differ in width, diameter, hub design, shaft fit, vane count, or kit components.

Ready to Find the Right Cooling Part?

Shop Marine Impellers, Kits, Raw-Water Pump Parts & Water Pump Service Kits

Search by OEM, engine serial number, old part number, pump model, impeller dimensions, hub style, kit type, or cooling-system service task.

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Filters

Mercury MerCruiser Quicksilver Impeller 8037481

$44.77 - $44.77
$44.77
$44.77 - $44.77
$44.77
Only 1 left!

Mercury MerCruiser / Quicksilver Impeller – 8037481 Maintain reliable engine cooling with the genuine Mercury Marine / Quicksilver 8037481 Water Pu...

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$44.77 - $44.77
$44.77
$44.77 - $44.77
$44.77

Mercury MerCruiser Quicksilver Impeller 59362T1

$67.01 - $67.01
$67.01
$67.01
$67.01 - $67.01
$67.01
6 in stock

Mercury MerCruiser / Quicksilver Impeller – 59362T1 Maintain reliable engine cooling with the genuine Mercury Marine / Quicksilver 59362T1 Water Pu...

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$67.01 - $67.01
$67.01
$67.01
$67.01 - $67.01
$67.01

Mercury MerCruiser Quicksilver Water Pump Impeller 43026T2

$50.26 - $50.26
$50.26
$50.26 - $50.26
$50.26
Only 3 left!

Mercury MerCruiser Quicksilver 47-43026T2 is a genuine-style water pump impeller used to supply cooling water through select Mercury outboard and M...

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$50.26 - $50.26
$50.26
$50.26 - $50.26
$50.26

Mercury MerCruiser Quicksilver Impeller 42038Q02

$40.53 - $40.53
$40.53
$40.53 - $40.53
$40.53
Only 3 left!

Mercury MerCruiser / Quicksilver Impeller – 42038Q02 Maintain reliable engine cooling with the genuine Mercury Marine / Quicksilver 42038Q02 Water ...

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$40.53 - $40.53
$40.53
$40.53 - $40.53
$40.53

Mercury Quicksilver 19453T Water Pump Impeller — 30–60 HP FourStroke / Force 75 HP Outboard

$78.08 - $78.08
$78.08
$78.08 - $78.08
$78.08
Only 1 left!

Mercury Quicksilver 19453T — Water Pump Impeller, 30–60 HP FourStroke / Force 75 HP Outboard Part Number 19453T Service Format 47...

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$78.08 - $78.08
$78.08
$78.08 - $78.08
$78.08

Indmar Raw Water Pump Impeller - Johnson Pump OEM Replacement

$168.00 - $168.00
$168.00
$168.00 - $168.00
$168.00
Only 2 left!

Premium OEM raw water pump impeller engineered for Indmar marine engines equipped with Johnson pumps. This critical cooling system component ensure...

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$168.00 - $168.00
$168.00
$168.00 - $168.00
$168.00