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Westerbeke Water Pumps

As an Authorized Westerbeke Dealer, Diesel Parts Direct offers a large selection of genuine water pumps, impellers, and repair kits ready for immediate shipment.
Please use any of our quick links below to find the filter you need.

If you do not see the Westerbeke part you need, please use our quote request form or call us at 888.650.2771. Our knowledgeable staff will promptly answer your request.

Popular Westerbeke Sea Water Pumps

Part Number
Models
  • 12.0 BTD 50 Hz, 15.0 BTD
  • 12.0 BTDA 50 Hz, 15.0 BTDA
  • 12.0 BTDB 50 Hz, 15.0 BTDB
  • W 46
  • 63B Four, 63C Four, 63D Four
  • 6.8 BTG - 50 Hz, 8.5 BTG, 10.0 BTG - 50 Hz, 12.0 BTG - 50 Hz, 12.5 BTG, 15.0 BTG
  • 6.8 BTGA - 50Hz, 8.5 BTGA
  • 20.0 WMF - 50Hz, 20.0 WMF - 60 Hz
  • 6.0 BTD 50 Hz, 7.5 BTD 50 Hz, 8.0 BTD, 8.3 BTD 50 Hz, 10.0 BTD, 11.0 BTD
  • 9.4 BTDA 50 Hz, 12.5 BTDA
  • W 18, W 21, W 21A, W 27, W 27A
  • 8.0 WMD, 11.0 WMD
  • 35B Three
  • 38B Four, 42B Four
  • 3.75 BCGB - 50 Hz, 4.5 BCGB, 5.0 BCGB - 50 Hz, 7.0 BCGB
  • 3.75 BCGTC - 50 Hz, 4.5 BCGTC, 8.0 BCGTC - 50 Hz, 9.6 BCGTC
  • 3.75 BCGTE - 50 Hz, 4.5 BCGTE, 6.0 BCGTE - 50 Hz, 7.2 BCGTE, 8.0 BCGTE - 50 Hz, 9.6 BCGTE
  • W 10 Two
  • 2.4 WMD - 50 Hz, 3.0 WMD
  • 12B Two
  • 3.3 BCD 50 Hz, 4.4 BCD
  • 12.5 BTD 60 Hz
  • W 13, W 13A
  • 3.3 WMD 50 Hz, 4.4 WMD, 8.0 WMD, 11.0 WMD, 12.5 WMD
  • 20.0 BED 50 Hz, 20.0 BED 60 Hz, 25.0 BED 50 Hz, 25.0 BED 60 Hz, 32.0 BED
  • 16.0 BEDA50 Hz, 20.0 BEDA, 25.0 BEDA 50 Hz, 32.0 BEDA
  • 16.0 B EG 50 Hz, 20.0 BEG, 25.0 BEG
  • 25.0 WMF 60 Hz
  • 55A Four, 64A Four, 71B Four, 71C Four, 82B Four, 90A Four
  • 108B Six, 108C Six
    3.0 BPMG
  • 12C Two, 20B Two
  • 35B Three, 30B Three, 35C Three, 35D Three
  • 38B Four, 42B Four, 44A Four,44B Four
  • W 13, W 13A, W 18, W 21, W 21A, W 27, W 27 A, W 33, W 33A
  • 4.2 BCG Low-Profile - 50 Hz, 5.0 BCG - 50 Hz, 5.0 BCG Low-Profile
  • 5.8 BCGD Low-Profile - 50 Hz, 7.0 BCGD Low-Profile
  • 3.75 BCGTC - 50 Hz, 4.5 BCGTC, 6.0 BCGTC - 50 Hz, 7.2 BCGTC, 8.0 BCGTC - 50 Hz, 9.6 BCGTC
  • 6.4 BEG - 50 Hz, 8.0 BEG - 50 Hz, 8.0 BEG - 60 Hz, 10.0 BEG - 50 Hz, 12.0 BEG - 50 Hz, 12.5 BEG, 15.0 BEG
  • 4.2 MCG low-CO - 50 Hz, 5.0 MCG low-CO, 5.2 MCG low-CO - 50 Hz, 6.5 MCG low-CO
  • 4.2 SBCG low-CO - 50 Hz, 5.0 SBCG low-CO, 5.4 SBCG low-CO - 50 Hz, 6.5 SBCG low-CO
  • 6.4 SBEG low-CO - 50 Hz, 10.0 SBEG - 50 Hz low-CO, 10.0 SBEG - 60 Hz low-CO, 11.6 SBEG low-CO - 50 Hz, 12.5 SBEG low-CO, 14.0 SBEG low-CO
  • Fresh Water Pump for M3-20B, M-25XPB, M35B, M-40B

Popular Westerbeke Impeller Kits

Part Number
Models
  • 6.8 BTG 50 Hz, 8.5 BTG, 10.0 BTG 50 Hz, 12.0 BTG 50 Hz, 12.5 BTG, 15.0 BTG
  • 6.8 BTGA 50 Hz, 8.5 BTGA
  • W 30, W 50, W 58
  • 16.0 WMF 50 Hz, 20.0 WMF 50 Hz, 20.0 WMF 60 Hz
  • 16.0 WTA 50 Hz, 20.0 WTA 60 Hz
  • 9.4 BTDA - 50 Hz, 12.5 BTDA
  • 4.0 BCD 50 Hz, 4.0 BCD 60 Hz Only, 5.0 BCD 50 Hz, 5.0 BCD 60 Hz, 5.5 BCD
  • 4.0 BCDA 50 Hz, 4.0 BCDA 60 Hz Only, 5.0 BCDA
  • 4.0 BCDB 50 Hz, 5.0 BCDB
  • 7.0 BCDT 50 Hz, 8.0 BCDT
  • 5.0 BTD 50 Hz, 5.7 BTD 50 Hz, 6.0 BTD 50 Hz, 6.5 BTD, 7.5 BTD 50 Hz, 7.6 BTD, 8.0 BTD, 8.3 BTD 50 Hz, 9.2 BTD 50 Hz, 9.4 BTD 50 Hz, 10.0 BTD, 10.4 BTD 50 Hz, 11.0 BTD, 11.5 BTD, 12.5 BTD 60 Hz, 12.6 BTD
  • 6.0 BTDA 50 Hz, 7.5 BTDA 50 Hz, 8.0 BTDA, 10.0 BTDA
  • 9.4 BTDB 50 Hz, 12.5 BTDB
  • 12.0 BTDC 50 Hz, 15.0 BTDC
  • 5.0 EDC D-NET 50 Hz, 5.5 EDC D-NET
  • W 13, W 13A, W 18, W 21, W 21A, W 27, W 27A, W 33, W 33A
  • 3.3 WMD 50 Hz, 4.4 WMD, 5.8 WMD 50 Hz, 6.0 WMD 50 Hz, 6.0 WMD 50 Hz, 7.7 WMD, 8.0 WMD, 11.0 WMD, 12.5 WMD
  • 4.2 BCG Low-Profile50 Hz, 5.0 BCG Low-Profile
  • 7.0 BCGD Low-Profile
  • 5.8 BCGD Low-Profile 50 Hz, 7.0 BCGD Low-Profile
  • 4.2 SBCG low-CO 50 Hz, 5.0 SBCG low-CO, 5.4 SBCG low-CO 50Hz, 6.5 SBCG low-CO
  • 6.4 SBEG low-CO 50 Hz, 8.0 SBEG 50 Hz low-CO, 8.0 SBEG 60 Hz low-CO, 10.0 SBEG 50 Hz low-CO , 10.0 SBEG 60 Hz low-CO, 11.6 SBEG low-CO 50 Hz, 12.5 SBEG low-CO, 14.0 SBEG low-CO
  • 55B Four, 55C Four, 55D Four

Popular Westerbeke Water Pump Repair Kits

Part Number
Models
  • 6.0 BTD - 50 Hz, 7.5 BTD - 50 Hz, 8.0 BTD, 8.3 BTD - 50 Hz, 10.0 BTD, 11.0 BTD
  • W 13, W 21, W 27, W 33
  • 3.3 WMD - 50 Hz, 4.4 WMD, 8.0 WMD, 11.0 WMD, 12.5 WMD
  • 16.0 BED - 50 Hz, 20.0 BED - 50 Hz, 20.0 BED - 60 Hz, 25.0 BED - 50 Hz, 25.0 BED - 60 Hz, 32.0 BED
  • 16.0 BEDA - 50 Hz, 20.0 BEDA, 25.0 BEDA - 50 Hz , 32.0 BEDA
  • 16.0 BEG - 50 Hz, 20.0 BEG - 50 Hz, 25.0 BEG
  • 16.0 BEGA - 50 Hz, 20.0 BEGA 50 Hz, 25.0 BEGA
  • 16.0 SBEG low-CO - 50 Hz, 18.0 SBEG low-CO - 50 Hz, 20.0 SBEG low-CO, 22.5 SBEG low-CO
  • 16.0 SBEGA low-CO - 50 Hz, 18.0 SBEGA low-CO - 50 Hz, 20.0 SBEGA low-CO, 22.5 SBEGA low-CO
  • W 60, W 70, W 100
  • 20.0 WMF - 50 Hz, 25.0 WMF - 60 Hz
  • 20.0 WTA - 50 Hz, 25.0 WTA - 60 Hz
  • 55A Four, 64A Four, 71B Four, 71C Four, 82B Four, 90A Four
  • 108B Six, 108C Six
  • W 33
  • 4.5 WMD - 50 Hz, 6.0 WMD, 12.5 WMD
  • 12.0 BTD - 50 Hz, 15.0 BTD
  • 12.0 BTDA - 50 Hz, 15.0 BTDA
  • 12.0 BTDB - 50 Hz, 15.0 BTDB
  • W 40, W 46, W 52
  • 12.0 WTA - 50 Hz, 15.0 WTA - 60 Hz
  • 63B Four, 63C Four, 63D Four
  • 6.8 BTG - 50 Hz, 8.5 BTG, 10.0 BTG - 50 Hz, 12.0 BTG - 50 Hz, 12.5 BTG, 15.0 BTG
  • 6.8 BTGA - 50 Hz, 8 .5 BTGA
  • 4.9 TWG - 50 Hz, 6.0 TWG - 50 Hz, 6.5 TWG, 8.0 TWG, 11.0 TWG
  • W 30, W 41G, W 50, W 58, W 70G
  • 16.0 WMF - 50 Hz, 20.0 WMF - 50 Hz, 20.0 WMF - 60 Hz
  • 16.0 WTA - 50 Hz, 20.0 WTA - 60 Hz
  • 6.0 BTD - 50 Hz, 8.0 BTD
  • 9.4 BTDA - 50 Hz, 12.5 BTDA
  • W 18, W 21A, W 27A
  • 3.3 BCD - 50 Hz, 4.4 BCD, 4.5 BCD - 50 Hz, 6.0 BCD
  • 3.5 BCG - 50 Hz, 4.0 BCG, 4.5 BCG, 4.8 BCG - 50 Hz,5.0 BCG - 50 Hz, 6.5 BCG, 7.0 BCG
  • 3.75 BCGB - 50 Hz, 4.5 BCGB, 5.0 BCGB - 50 Hz, 7.0 BCGB
  • 3.75 BCGTC - 50 Hz, 4.5 BCGTC, 6.0 BCGTC - 50 Hz, 7.2 BCGTC, 8.0 BCGTC - 50 Hz, 9.6 BCGTC
  • 3.75 BCGTE - 50 Hz, 4.5 BCGTE, 6.0 BCGTE - 50 Hz, 7.2 BCGTE, 8.0 BCGTE - 50 Hz, 9.6 BCGTE
  • 7.0 BTG - 50 Hz, 9.0 BTG
  • W 10 Two
  • 2.4 WMD - 50 Hz, 3.0 WMD
  • 12B Two
  • 4.2 BCG Low-Profile - 50 Hz, 5.0 BCG Low-Profile
  • 3.75 BCGB - 50 Hz, 4.5 BCGB, 5.0 BCGB - 50 Hz, 7.0 BCGB
  • 5.8 BCGD Low-Profile - 50 Hz, 7.0 BCGD Low-Profile
  • 6.4 BEG - 50 Hz, 8.0 BEG - 50 Hz, 8.0 BEG - 60 Hz, 10.0 BEG - 50 Hz, 12.0 BEG - 50 Hz, 12.5 BEG, 15.0 BEG
  • 4.2 MCG low-CO - 50 Hz, 5.0 MCG low-CO, 5.2 MCG low-CO - 50 Hz, 6.5 MCG low-CO
  • 4.2 SBCG low-CO - 50 Hz, 5.0 SBCG low-CO, 5.4 SBCG low-CO - 50 Hz, 6.5 SBCG low-CO
  • 6.4 SBEG low-CO - 50 Hz, 8.0 SBEG - 50 Hz low-CO, 8.0 SBEG - 60 Hz low-CO, 10.0 SBEG - 50 Hz low-CO, 10.0 SBEG - 60 Hz low-CO, 11.6 SBEG low-CO - 50 Hz, 12.5 SBEG low-CO, 14.0 SBEG low-CO
  • 55B Four, 55C Four, 55D Four
  • 3.0 BPMG - 50 Hz Fresh Water-Cooled, 3.0 BPMG - 50 Hz Fresh Water-Cooled, 3.0BPMG - 60 Hz Fresh Water-Cooled
  • 3.5 SBCG - 50 Hz lo w-CO, 3.5 SBCG - 60 Hz low-CO
  • 4.0 BCD - 50 Hz, 4.0 BCD - 60 Hz Only, 5.0 BCD - 50 Hz, 5.0 BCD - 60 Hz, 5.5 BCD
  • 20.0 BED - 50 Hz, 25.0 BED - 60 Hz
  • 5.0 BTD - 50 Hz, 5.7 BTD - 50 Hz, 6.0 BTD - 50 Hz, 6.5 BTD, 7.5 BTD - 50 Hz, 7.6 BTD, 8.0 BTD, 8.3 BTD - 50 Hz, 9.2 BTD - 50 Hz, 9.4 BTD - 50 Hz, 10.0 BTD, 10.4 BTD - 50 Hz, 11.0 BTD, 11.5 BTD, 12.5 BTD - 60 Hz, 12.6 BTD
  • 6.0 BTDA - 50 Hz, 7.5 BTDA - 50 Hz, 8.0 BTDA, 9.4 BTDA - 50 Hz, 10.0 BTDA, 12.0 BTDA - 50 Hz, 12.5 BTDA, 15.0 BTDA
  • 9.4 BTDB - 50 Hz, 12.0 BTDB - 50 Hz, 12.5 BTDB, 15.0 BTDB
  • 12.0 BTDC - 50 Hz, 15.0 BTDC
  • 3.3 WMD - 50 Hz, 4.4 WMD, 4.5 WMD - 50 Hz, 5.8 WMD - 50 Hz, 6.0 WMD - 50 Hz, 7.7 WMD, 8.0 WMD, 11.0 WMD, 12.5 WMD
  • 21.0 EDE D-NET - 50 Hz, 23.5 EDE D-NET, 25.5 EDE D-NET, 26.0 EDE D-NET - 50 Hz, 28.5 EDE D-NET, 33.0 EDE D-N ET
  • 23.5 EDEA D-NET 50 Hz, 26.0 EDEA D-NET - 50 Hz, 28.5 EDEA D-NET, 33.0 EDEA D-NET
  • 65A Four, 65B Four

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