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Seawater Impellers

Shop Seawater Impellers

Shop our full range of seawater impellers for outboards, inboard diesel engines, and inboard petrol engines across all major marine brands. We stock genuine OEM replacements and high-quality aftermarket options for Caterpillar, Cummins, Detroit Diesel, Kohler, Mercury, Onan, Sherwood, Sole, SPX Johnson, Suzuki, Volvo Penta, Yamaha, and Yanmar. Each impeller is engineered for precise fit and reliable cooling, ensuring your marine engine runs at peak performance. Whether you’re servicing a small outboard, a high-powered inboard petrol engine, or a heavy-duty inboard diesel generator, our seawater impellers deliver lasting durability at competitive prices with fast shipping.

All (159)
Cummins Impellers (14)
Kohler Impellers (11)
Mercruiser Impellers (8)
Mercury Impellers (22)
Onan Impellers (8)
Sherwood Impellers (33)
Sole Impellers (1)
SPX Johnson Impellers (28)
Suzuki Impellers (15)
Volvo Penta Impellers (30)
Yamaha Impellers (27)
Yanmar Impellers (10)
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  • Genuine Volvo Penta 21951346 Seawater Impeller

    Genuine Volvo Penta 21951346 Seawater Impeller

    Genuine Volvo Penta 21951346 Seawater Impeller Replaces Volvo Penta part number: 21951346, 877400, 3856039, 3862281 Suits Volvo Penta engines: 2003T, 2003TB, D2-50, D2-50F, D2-55 A, D2-55 B, D2-55 C, D2-55 D, D2-55 E, D2-55F, D2-60F, D2-75 A, D2-75 B,...

    $100.84
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  • Genuine Volvo Penta 3593573 Seawater Impeller

    Genuine Volvo Penta 3593573 Seawater Impeller

    Replaces Volvo Penta part number: 3593573 Suits Volvo Penta engines: D6 engines with seawater pump 21380890  Impeller Specs: Material: Neoprene Diameter: 65mm Width: 76mm Shaft type: Spline This is a genuine Volvo Penta seawater impeller.

    $166.41
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  • Genuine Volvo Penta 3588475 Seawater Impeller

    Genuine Volvo Penta 3588475 Seawater Impeller

    Replaces Volvo Penta part number: 3588475 Suits Volvo Penta engines: D4-180I-B, D4-180I-C, D4-180I-D, D4-180I-E, D4-210A-A, D4-210I-A, D4-210I-B, D4-225I-B, D4-225A-C, D4-225A-D, D4-225I-C, D4-225I-D, D4-260A-A, D4-260A-B, D4-260A-C, D4-260A-D,...

    $132.68
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  • Genuine Volvo Penta 21730344 Seawater Impeller

    Genuine Volvo Penta 21730344 Seawater Impeller

    Genuine Volvo Penta 21730344 Seawater Impeller Replaces Volvo Penta part number: 21730344, 875736 Suits Volvo Penta engines: AQAD40A, AQAD40B, TAMD40B, TAMD61, TAMD61A, TAMD62A, TAMD71, TAMD71A, TAMD71B, TAMD72, TAMD72A, TAMD72B, TAMD72EDC, TAMD72P,...

    $196.17
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  • Genuine Volvo Penta 21951362 Seawater Impeller

    Genuine Volvo Penta 21951362 Seawater Impeller

    Genuine Volvo Penta 21951362 Seawater Impeller Replaces Volvo Penta part number: 877066, 21951362 Suits Volvo Penta engines: TAMD73P, TAMD73P-A, TAMD74A, TAMD74C, TAMD74EDC, TAMD74L-A, TAMD74L-B, TAMD74P-A, TAMD74P-B, TAMD75, TAMD75P, TAMD75P-A Impeller...

    $174.67
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  • Genuine Volvo Penta 21951350 Seawater Impeller

    Genuine Volvo Penta 21951350 Seawater Impeller

    Replaces Volvo Penta part number: 21951350, 875575 Suits Volvo Penta engines: 251, 230A, 250A, 250B, 251A, AQ120B, AQ125A, AQ125B, AQ131A, AQ131B, AQ131C, AQ131D, AQ140A, AQ145A, AQ145B, AQ151A, AQ151B, AQ151C, AQ165A, AQ170A, AQ170B, AQ170C, AQ171A,...

    $128.91
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  • Genuine Volvo Penta 21951342 Seawater Impeller

    Genuine Volvo Penta 21951342 Seawater Impeller

    Replaces Volvo Penta part number: 3586496, 21951342 Suits Volvo Penta engines: 2001, 2001B, 2001D, 2002, 2002B, 2002D, 2003, 2003B, 2003D, MD5A, MD5B, MD5C, MD6B, MD7A, MD7B, MD11C, MD11D Impeller Specs: Material: Neoprene Diameter: 40mm Width: 19mm...

    $66.19
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  • Genuine Volvo Penta 24139377 Seawater Impeller

    Genuine Volvo Penta 24139377 Seawater Impeller

    Genuine Volvo Penta 24139377 Seawater Impeller Replaces Volvo Penta part number: 21951356, 24139377, 3841697 Suits Volvo Penta engines: AD31A, AD31B, AD31D, AD31L-A, AD31P-A, AD31X-D, AD31X-D-US, AD41A, AD41B, AD41D, AD41L-A, AD41P, AD41P-A, AQAD30A,...

    $132.68
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  • Genuine Volvo Penta 22222936 Seawater Impeller

    Genuine Volvo Penta 22222936 Seawater Impeller

    Replaces Volvo Penta part number: 3593659, 21951344 & 22222936 Suits Volvo Penta engines: D1-13, D1-13A, D1-13B, D1-13F, D1-20, D1-20A, D1-20B, D1-20F, D1-30, D1-30A, D1-30B, D1-30F, D2-40, D2-40A, D2-40B, D2-40F, MD17C, MD17D, MD2010, MD2010A,...

    $71.02
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  • Aftermarket Sherwood 10077K Onan 0132-0498 Seawater Impeller Aftermarket Sherwood 10077K Onan 0132-0498 Seawater Impeller

    Aftermarket Sherwood 10077K Onan 0132-0498 Seawater Impeller

    Aftermarket Sherwood 10077K Onan 132-0498 Seawater Impeller Replaces Onan part: 0132-0375, 0132-0498 Used on Onan generators: MDKAA, MDKAB, MDKAL, MDKAV, MDKAW, MDKAZ, MDKBG, MDKBK, MDKBL, MDKBM, MDKBN, MDKDK  MDKDL, MDKDM, MDKDN Kit includes: Cover...

    $52.00
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  • Aftermarket Sherwood 8000K Onan 0541-1524 Seawater Impeller Aftermarket Sherwood 8000K Onan 0541-1524 Seawater Impeller

    Aftermarket Sherwood 8000K Onan 0541-1524 Seawater Impeller

    Aftermarket Sherwood 8000K Onan 0541-1524 Seawater Impeller Replaces Onan part 0132-0407, 0132-0415, 0132-0500, 0541-1542 Used on Onan generators: MDKAU, MDKBH, MDKBJ, MDKBW, MGKBC, MGKBD Kit includes: cover plate o-ring and impeller lubricant Seawater...

    $35.00
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  • Aftermarket Sherwood 10615K Onan 0541-1521 Seawater Impeller Aftermarket Sherwood 10615K Onan 0541-1521 Seawater Impeller

    Aftermarket Sherwood 10615K Onan 0541-1521 Seawater Impeller

    Aftermarket Sherwood 10615K Onan 0541-1521 Seawater Impeller Replaces Onan part: 0132-0349, 0541-1521 Used on Onan generators: MDKAD, MDKAE, MDKAF, MDKBD, MDKBE, MDKBF, MDKBP, MDKBR, MDKBS, MDKBT, MDKBU, MDKBV, MDKDP, MDKDR & MDKDV Kit includes:...

    $47.78
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  • Aftermarket Yamaha 63V-44352-01 Seawater Impeller Sierra 18-3040

    Aftermarket Yamaha 63V-44352-01 Seawater Impeller Sierra 18-3040

    Supersedes Yamaha part. 63V-44352-00 Used on Yamaha engines: Two Stroke:  9.9FMH (1995-19), 15FMH (1995-19),  Four Stroke: FT8DEP FT8DMH (2001-05), FT9.9DE FT9.9DMH FT9.9GE FT9.9LE T9.9LPB T9.9XPB (1999+), F15AMH F15CEH F15CMH F15L F15S (1998+)...

    $38.40
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  • Aftermarket Yamaha 6H4-44352-02 Seawater Impeller Sierra 18-3068

    Aftermarket Yamaha 6H4-44352-02 Seawater Impeller Sierra 18-3068

    Supersedes Yamaha part. 6H4-44352-00 & 6H4-44352-01 Used on Yamaha engines: Two Stroke: 25BMH 25XMH (2001-19) 25VM 25VMH (1993-01), 30DETO 30DMH 30HMH 30HWH 30HW (2001-19)  Four Stroke: F25A F25AEH F25AEHT F25AET F25AMH (1998-09), F25DEHT F25DET...

    $49.89
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  • Aftermarket Yamaha 6H3-44352-00 Seawater Impeller Sierra 18-3069

    Aftermarket Yamaha 6H3-44352-00 Seawater Impeller Sierra 18-3069

    Replaces Yamaha part. 6H3-44352-00 Used on Yamaha engines: Two Stroke:  40V 40VETO 40VMH 40VMHD 40VE 40VWHTO (1995-19), 50H 50HET 50HETO 50HMHD 50HMHO 50HWHTO (1996-19), 60FET 60FETO (1989-03), 70BETO (1989-03). Four Stroke: F50AEHT F50AET...

    $60.42
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  • Aftermarket Yamaha 6E0-44352-00 Seawater Impeller Sierra 18-3073

    Aftermarket Yamaha 6E0-44352-00 Seawater Impeller Sierra 18-3073

    Replaces Yamaha part. 6E0-44352-00 Used on Yamaha engines: Two Stroke: 4AC 4AM 4ACMH (1989-15) 4CMH (2016-19), 5C 5CMH (1989-15), Four Stroke: F4AMH (2000-09), F4BMH (2011-17), F4LMHA F4SMHA (2018+), F5AMH (2010-17), F5LMHA F5SMHA (2018+), F6CMH...

    $35.44
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  • Aftermarket Yamaha 6L2-44352-00 Seawater Impeller Sierra 18-3065

    Aftermarket Yamaha 6L2-44352-00 Seawater Impeller Sierra 18-3065

    Replaces Yamaha part. 6L2-44352-00 Used on Yamaha engines: Two Stroke: 20D 20DM 20DMH (1989-16), 25N 25NMH 25NWC (1989-16) Four Stroke: F20LMHB F20LWB F20LWHB F20LWPB F20LWPHB F20SMHB F20SWB F20SWHB (2019+), F25LC F25LMHC F25LWC F25LWHC F25LWTC F25SMHC...

    $42.93
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