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  • Welcome to BayBoater Marine LLC.
Bay Boater MarineBay Boater Marine

Bay Boater Marine

  • Transmission Parts
    • Parts for Velvet Drive Marine Transmissions
    • HURTH HBW Series Mechanical Shift
    • Hurth HSW & ZF Series Hydraulic Shift Marine Transmissions
    • Hurth IRM Series 220 301 325 Models
    • Twin Disc Transmissions
  • Marine Engine Parts
    • Yamaha Outboard
    • Crusader Replacement Parts
    • Mercruiser Replacement Parts
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  • Account details
  • Cart / $7,068.30
      • × ZF 301 Plate KitZF 301 Plate Kit
        1 × $799.95
      • × PlaceholderBearings
        1 × $0.01
      • × PlaceholderSeals
        1 × $0.01
      • × 6 Lug Steel Clutch PlateClutch Plate Steel 63 80 series
        1 × $12.95
      • × ZFP85BL - Bronze PlateZFP85BL - Bronze Plate
        2 × $24.95
      • × PlaceholderBearings
        1 × $0.01
      • × Gasket Shift Cover for Hurth HBW Series and ZF Mechanical Shift Marine TransmissionsGasket Shift Cover for Hurth HBW Series and ZF Mechanical Shift Marine Transmissions
        1 × $3.95
      • × PlaceholderGaskets & Seals
        1 × $0.01
      • × PlaceholderSeals
        1 × $0.01
      • × ZF 301 Rebuild KitZF 301 Rebuild Kit
        1 × $949.95
      • × Seal For Many Hurth and ZF with 26 Spline InputSeal For Many Hurth and ZF with 26 Spline Input
        1 × $6.95
      • × ZF 325 Plate KitZF 325 Plate Kit
        1 × $799.95
      • × ZFMOK85L - Plate KitZFMOK85L - Plate Kit
        1 × $799.00
      • × Gasket Seal Kit Hurth HBW10-150 ZF12M and ZF15MGasket Seal Kit Hurth HBW10-150 ZF12M and ZF15M
        1 × $32.95
      • × Master rebuild plates gaskets seals Thrust WasherMaster rebuild plates gaskets seals Thrust Washer
        1 × $369.95
      • × Plate kit for HSW630 and ZF63 Series Down Angle and V-Drive Marine TransmissionsPlate kit for HSW630 and ZF63 Series Down Angle and V-Drive Marine Transmissions
        1 × $329.95
      • × Plate Kit HBW10-150 Late 8 Steel Plate KitPlate Kit HBW10-150 Late 8 Steel Plate Kit
        1 × $299.95
      • × SB Belt  Vrank to RWP Replaces 97178SB Belt  Vrank to RWP Replaces 97178
        1 × $15.95
      • × Thrust Washer HB5-50-100 ZF5M ZF6M ZF10MThrust Washer HB5-50-100 ZF5M ZF6M ZF10M
        1 × $46.95
      • × Thust Washer HBW20 HBW220 HBW250 ZF25M ZF25MAThust Washer HBW20 HBW220 HBW250 ZF25M ZF25MA
        1 × $69.95
      • × Rebuild Kit Velvet Drive 1004 Series All RatiosRebuild Kit Velvet Drive 1004 Series All Ratios
        1 × $249.95
      • × Shift Lever Attaching HardwareShift Lever Attaching Hardware
        1 × $4.95
      • × Bearing 2001 and 2002 Lay Shaft Forward bearingBearing 2001 and 2002 Lay Shaft Forward bearing
        1 × $59.95
      • × Crusader SB Pulley Kit 3 PulleysCrusader SB Pulley Kit 3 Pulleys
        1 × $139.95
      • × Seal Rear SmallSeal Rear Small
        1 × $10.95
      • × Bolt Kit for Neutral Safety Plate.Bolt Kit for Neutral Safety Plate.
        1 × $3.95
      • × Plate Kit for 2001 and 2002 Series Velvet Drive Bronze and SteelPlate Kit for 2001 and 2002 Series Velvet Drive Bronze and Steel
        1 × $579.95
      • × Plate Kit 1018Plate Kit 1018
        1 × $129.95
      • × Bearing Kit 71C 1.91:1 RatioBearing Kit 71C 1.91:1 Ratio
        1 × $379.95
      • × Seal Rear Large for 1017 1018 1004 1005Seal Rear Large for 1017 1018 1004 1005
        1 × $12.95
      • × Bolt to attach the reverse adapter to the mail case 3/8 12 PointBolt to attach the reverse adapter to the mail case 3/8 12 Point
        1 × $12.95
      • × Plate for 5000 Series External TeethPlate for 5000 Series External Teeth
        1 × $6.95
      • × Rebuild Kit 72c/1018 1:1Rebuild Kit 72c/1018 1:1
        1 × $229.95
      • × Bearing for Early Reduction 1.52:1, 1.91:1, 2.10:1 Ratios. Only Fits Models with Seal HolderBearing for Early Reduction 1.52:1, 1.91:1, 2.10:1 Ratios. Only Fits Models with Seal Holder
        1 × $249.95
      • × Bolt Kit for Installing The Reduction Unit onto the AdapterBolt Kit for Installing The Reduction Unit onto the Adapter
        1 × $12.95
      • × VentVent
        1 × $21.95
      • × Neutral Safety Kit--Plate Cam Switch and Hardware Replaces Velvet Drive 1004-420-052Neutral Safety Kit--Plate Cam Switch and Hardware Replaces Velvet Drive 1004-420-052
        1 × $129.95
      • × Ball & Spring Velvet Drive DetentBall & Spring Velvet Drive Detent
        1 × $6.95
      • × Rebuild Kits for Velvet Drive Marine TransmissonsRebuild Kits for Velvet Drive Marine Transmissons
        1 × $219.95
      • × Seal Rear Metal Clad Output Reduction for Hurth HSW 800 Reduction 634319104Seal Rear Metal Clad Output Reduction for Hurth HSW 800 Reduction 634319104
        1 × $15.95

      Subtotal: $7,068.30

      View cartCheckout

  • Checkout +
  • Cart
    • × ZF 301 Plate KitZF 301 Plate Kit
      1 × $799.95
    • × PlaceholderBearings
      1 × $0.01
    • × PlaceholderSeals
      1 × $0.01
    • × 6 Lug Steel Clutch PlateClutch Plate Steel 63 80 series
      1 × $12.95
    • × ZFP85BL - Bronze PlateZFP85BL - Bronze Plate
      2 × $24.95
    • × PlaceholderBearings
      1 × $0.01
    • × Gasket Shift Cover for Hurth HBW Series and ZF Mechanical Shift Marine TransmissionsGasket Shift Cover for Hurth HBW Series and ZF Mechanical Shift Marine Transmissions
      1 × $3.95
    • × PlaceholderGaskets & Seals
      1 × $0.01
    • × PlaceholderSeals
      1 × $0.01
    • × ZF 301 Rebuild KitZF 301 Rebuild Kit
      1 × $949.95
    • × Seal For Many Hurth and ZF with 26 Spline InputSeal For Many Hurth and ZF with 26 Spline Input
      1 × $6.95
    • × ZF 325 Plate KitZF 325 Plate Kit
      1 × $799.95
    • × ZFMOK85L - Plate KitZFMOK85L - Plate Kit
      1 × $799.00
    • × Gasket Seal Kit Hurth HBW10-150 ZF12M and ZF15MGasket Seal Kit Hurth HBW10-150 ZF12M and ZF15M
      1 × $32.95
    • × Master rebuild plates gaskets seals Thrust WasherMaster rebuild plates gaskets seals Thrust Washer
      1 × $369.95
    • × Plate kit for HSW630 and ZF63 Series Down Angle and V-Drive Marine TransmissionsPlate kit for HSW630 and ZF63 Series Down Angle and V-Drive Marine Transmissions
      1 × $329.95
    • × Plate Kit HBW10-150 Late 8 Steel Plate KitPlate Kit HBW10-150 Late 8 Steel Plate Kit
      1 × $299.95
    • × SB Belt  Vrank to RWP Replaces 97178SB Belt  Vrank to RWP Replaces 97178
      1 × $15.95
    • × Thrust Washer HB5-50-100 ZF5M ZF6M ZF10MThrust Washer HB5-50-100 ZF5M ZF6M ZF10M
      1 × $46.95
    • × Thust Washer HBW20 HBW220 HBW250 ZF25M ZF25MAThust Washer HBW20 HBW220 HBW250 ZF25M ZF25MA
      1 × $69.95
    • × Rebuild Kit Velvet Drive 1004 Series All RatiosRebuild Kit Velvet Drive 1004 Series All Ratios
      1 × $249.95
    • × Shift Lever Attaching HardwareShift Lever Attaching Hardware
      1 × $4.95
    • × Bearing 2001 and 2002 Lay Shaft Forward bearingBearing 2001 and 2002 Lay Shaft Forward bearing
      1 × $59.95
    • × Crusader SB Pulley Kit 3 PulleysCrusader SB Pulley Kit 3 Pulleys
      1 × $139.95
    • × Seal Rear SmallSeal Rear Small
      1 × $10.95
    • × Bolt Kit for Neutral Safety Plate.Bolt Kit for Neutral Safety Plate.
      1 × $3.95
    • × Plate Kit for 2001 and 2002 Series Velvet Drive Bronze and SteelPlate Kit for 2001 and 2002 Series Velvet Drive Bronze and Steel
      1 × $579.95
    • × Plate Kit 1018Plate Kit 1018
      1 × $129.95
    • × Bearing Kit 71C 1.91:1 RatioBearing Kit 71C 1.91:1 Ratio
      1 × $379.95
    • × Seal Rear Large for 1017 1018 1004 1005Seal Rear Large for 1017 1018 1004 1005
      1 × $12.95
    • × Bolt to attach the reverse adapter to the mail case 3/8 12 PointBolt to attach the reverse adapter to the mail case 3/8 12 Point
      1 × $12.95
    • × Plate for 5000 Series External TeethPlate for 5000 Series External Teeth
      1 × $6.95
    • × Rebuild Kit 72c/1018 1:1Rebuild Kit 72c/1018 1:1
      1 × $229.95
    • × Bearing for Early Reduction 1.52:1, 1.91:1, 2.10:1 Ratios. Only Fits Models with Seal HolderBearing for Early Reduction 1.52:1, 1.91:1, 2.10:1 Ratios. Only Fits Models with Seal Holder
      1 × $249.95
    • × Bolt Kit for Installing The Reduction Unit onto the AdapterBolt Kit for Installing The Reduction Unit onto the Adapter
      1 × $12.95
    • × VentVent
      1 × $21.95
    • × Neutral Safety Kit--Plate Cam Switch and Hardware Replaces Velvet Drive 1004-420-052Neutral Safety Kit--Plate Cam Switch and Hardware Replaces Velvet Drive 1004-420-052
      1 × $129.95
    • × Ball & Spring Velvet Drive DetentBall & Spring Velvet Drive Detent
      1 × $6.95
    • × Rebuild Kits for Velvet Drive Marine TransmissonsRebuild Kits for Velvet Drive Marine Transmissons
      1 × $219.95
    • × Seal Rear Metal Clad Output Reduction for Hurth HSW 800 Reduction 634319104Seal Rear Metal Clad Output Reduction for Hurth HSW 800 Reduction 634319104
      1 × $15.95

    Subtotal: $7,068.30

    View cartCheckout

 

ZF80A

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“Seal Rear Metal Clad Output Reduction for Hurth HSW 800 Reduction 634319104” has been added to your cart. View cart
Kit Overhaul for Hurth Marine HSW 800 Reduction Series Transmissions
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Kit Overhaul for Hurth Marine HSW 800 Reduction Series Transmissions

SKU: ZFGSK80A
$84.95
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Seal Metal Clad, Control Valve for ZF 45, 63 and 800
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Seal Metal Clad, Control Valve for ZF 45, 63 and 800

SKU: HBS5402
$12.95
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Seal Rear Metal Clad Output Reduction for Hurth HSW 800 Reduction 634319104
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Seal Rear Metal Clad Output Reduction for Hurth HSW 800 Reduction 634319104

SKU: HBS6407A
$15.95
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Copyright 2026 © Bay Boater Marine, U.S.A.
  • Transmission Parts
    • Parts for Velvet Drive Marine Transmissions
    • HURTH HBW Series Mechanical Shift
    • Hurth HSW & ZF Series Hydraulic Shift Marine Transmissions
    • Hurth IRM Series 220 301 325 Models
    • Twin Disc Transmissions
  • Marine Engine Parts
    • Yamaha Outboard
    • Crusader Replacement Parts
    • Mercruiser Replacement Parts
  • Show All Products
  • Contact
  • Account details
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