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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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  • Cart / $3,590.35
      • × PlaceholderCrusader SB Pulley Kit 4 Pulleys
        1 × $159.95
      • × Bearing Rear Reduction 2.57:1 2.91:1 and V-DriveBearing Rear Reduction 2.57:1 2.91:1 and V-Drive
        1 × $249.95
      • × Fuel Pump Kit for 2000-07 Yamaha F115 Outboards Pump Filter O-Ring Hi Pressure HoseFuel Pump Kit for 2000-07 Yamaha F115 Outboards Pump Filter O-Ring Hi Pressure Hose
        1 × $149.95
      • × Gasket Seal Kit HBW10-150 WITH THRUST WASHERSGasket Seal Kit HBW10-150 WITH THRUST WASHERS
        1 × $79.95
      • × VentVent
        1 × $21.95
      • × Oil Baffle for Velvet Drive 71C & 1017 Reduction Models 1017-036-001Oil Baffle for Velvet Drive 71C & 1017 Reduction Models 1017-036-001
        1 × $59.95
      • × Seal Rear Large for 1017 1018 1004 1005Seal Rear Large for 1017 1018 1004 1005
        1 × $12.95
      • × ZFMOK85L - Plate KitZFMOK85L - Plate Kit
        1 × $799.00
      • × Seal Front Input Shaft Hurth ZFSeal Front Input Shaft Hurth ZF
        1 × $6.95
      • × Gasket Seal Kit for HBW20-220-250 WITH THRUST WASHERSGasket Seal Kit for HBW20-220-250 WITH THRUST WASHERS
        2 × $69.95
      • × ZF 325 Rebuild KitZF 325 Rebuild Kit
        1 × $949.95
      • × Plate Kit For Hurth HB5-50-100 and ZF5 Marine TransmissionsPlate Kit For Hurth HB5-50-100 and ZF5 Marine Transmissions
        1 × $259.95
      • × Twin Disc MG506 Basic Overhaul KitTwin Disc MG506 Basic Overhaul Kit
        1 × $699.95

      Subtotal: $3,590.35

      View cartCheckout

  • Checkout +
  • Cart
    • × PlaceholderCrusader SB Pulley Kit 4 Pulleys
      1 × $159.95
    • × Bearing Rear Reduction 2.57:1 2.91:1 and V-DriveBearing Rear Reduction 2.57:1 2.91:1 and V-Drive
      1 × $249.95
    • × Fuel Pump Kit for 2000-07 Yamaha F115 Outboards Pump Filter O-Ring Hi Pressure HoseFuel Pump Kit for 2000-07 Yamaha F115 Outboards Pump Filter O-Ring Hi Pressure Hose
      1 × $149.95
    • × Gasket Seal Kit HBW10-150 WITH THRUST WASHERSGasket Seal Kit HBW10-150 WITH THRUST WASHERS
      1 × $79.95
    • × VentVent
      1 × $21.95
    • × Oil Baffle for Velvet Drive 71C & 1017 Reduction Models 1017-036-001Oil Baffle for Velvet Drive 71C & 1017 Reduction Models 1017-036-001
      1 × $59.95
    • × Seal Rear Large for 1017 1018 1004 1005Seal Rear Large for 1017 1018 1004 1005
      1 × $12.95
    • × ZFMOK85L - Plate KitZFMOK85L - Plate Kit
      1 × $799.00
    • × Seal Front Input Shaft Hurth ZFSeal Front Input Shaft Hurth ZF
      1 × $6.95
    • × Gasket Seal Kit for HBW20-220-250 WITH THRUST WASHERSGasket Seal Kit for HBW20-220-250 WITH THRUST WASHERS
      2 × $69.95
    • × ZF 325 Rebuild KitZF 325 Rebuild Kit
      1 × $949.95
    • × Plate Kit For Hurth HB5-50-100 and ZF5 Marine TransmissionsPlate Kit For Hurth HB5-50-100 and ZF5 Marine Transmissions
      1 × $259.95
    • × Twin Disc MG506 Basic Overhaul KitTwin Disc MG506 Basic Overhaul Kit
      1 × $699.95

    Subtotal: $3,590.35

    View cartCheckout

 

Twin Disc

Home » Twin Disc

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Twin Disc 506 Plate Kit
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Twin Disc 506 Plate Kit

SKU: TDPK506
$679.95
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Twin Disc 506 Plate STEEL
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Twin Disc 506 Plate STEEL

SKU: TDP506S
$14.95
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Twin Disc 506A Plate Kit
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Twin Disc 506A Plate Kit

SKU: TDPK506A
$679.95
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Twin Disc MG506 Basic Overhaul Kit
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Twin Disc MG506 Basic Overhaul Kit

SKU: TDMOK506
$699.95
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Twin Disc MG506 Gasket Filter Cover
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Twin Disc MG506 Gasket Filter Cover

SKU: TDG506FH
$6.95
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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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