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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 / $2,092.95
      • × Bronze Plate HBW10 150 ZF12M 15MBronze Plate HBW10 150 ZF12M 15M
        1 × $21.95
      • × BB Belt for Raw Water Pump 10258BB Belt for Raw Water Pump 10258
        6 × $15.95
      • × Crusader Big Block Raw Water Pump Drive Kit - 2 PulleysCrusader Big Block Raw Water Pump Drive Kit - 2 Pulleys
        2 × $159.95
      • × Pulley Kit for Crusader 7.4L 454, 502 8.2L, Big Block Marine Engines 22652 3 PulleysPulley Kit for Crusader 7.4L 454, 502 8.2L, Big Block Marine Engines 22652 3 Pulleys
        2 × $229.95
      • × Bearing Kit for 71C and 1017 1:1 Direct Drive Velvet Drive Marine TransmissionsBearing Kit for 71C and 1017 1:1 Direct Drive Velvet Drive Marine Transmissions
        1 × $89.95
      • × Bearing Kit for 71C 2.57 & 2.91 Ratio Series Velvet Drive Marine TransmissionBearing Kit for 71C 2.57 & 2.91 Ratio Series Velvet Drive Marine Transmission
        1 × $379.95
      • × Pulley Crankshaft for Crusader Big Block Drives Circulating Pump and AlternatorPulley Crankshaft for Crusader Big Block Drives Circulating Pump and Alternator
        1 × $24.95
      • × Bearing for 1017 1018 1004 1005 Reduction and V-DriveBearing for 1017 1018 1004 1005 Reduction and V-Drive
        1 × $59.95
      • × Thrust Washer HBW5 50 100 and ZF5M 6M 10MThrust Washer HBW5 50 100 and ZF5M 6M 10M
        1 × $26.95
      • × Bearing Kit HB5-50-100Bearing Kit HB5-50-100
        1 × $109.95
      • × 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
      • × Bearing Forward Clutch Housing 72C 1005 1018 1014Bearing Forward Clutch Housing 72C 1005 1018 1014
        1 × $21.95
      • × Bearing KitsBearing Kits
        1 × $129.95
      • × Twin Disc MG506 Gasket for Main CaseTwin Disc MG506 Gasket for Main Case
        1 × $21.95

      Subtotal: $2,092.95

      View cartCheckout

  • Checkout +
  • Cart
    • × Bronze Plate HBW10 150 ZF12M 15MBronze Plate HBW10 150 ZF12M 15M
      1 × $21.95
    • × BB Belt for Raw Water Pump 10258BB Belt for Raw Water Pump 10258
      6 × $15.95
    • × Crusader Big Block Raw Water Pump Drive Kit - 2 PulleysCrusader Big Block Raw Water Pump Drive Kit - 2 Pulleys
      2 × $159.95
    • × Pulley Kit for Crusader 7.4L 454, 502 8.2L, Big Block Marine Engines 22652 3 PulleysPulley Kit for Crusader 7.4L 454, 502 8.2L, Big Block Marine Engines 22652 3 Pulleys
      2 × $229.95
    • × Bearing Kit for 71C and 1017 1:1 Direct Drive Velvet Drive Marine TransmissionsBearing Kit for 71C and 1017 1:1 Direct Drive Velvet Drive Marine Transmissions
      1 × $89.95
    • × Bearing Kit for 71C 2.57 & 2.91 Ratio Series Velvet Drive Marine TransmissionBearing Kit for 71C 2.57 & 2.91 Ratio Series Velvet Drive Marine Transmission
      1 × $379.95
    • × Pulley Crankshaft for Crusader Big Block Drives Circulating Pump and AlternatorPulley Crankshaft for Crusader Big Block Drives Circulating Pump and Alternator
      1 × $24.95
    • × Bearing for 1017 1018 1004 1005 Reduction and V-DriveBearing for 1017 1018 1004 1005 Reduction and V-Drive
      1 × $59.95
    • × Thrust Washer HBW5 50 100 and ZF5M 6M 10MThrust Washer HBW5 50 100 and ZF5M 6M 10M
      1 × $26.95
    • × Bearing Kit HB5-50-100Bearing Kit HB5-50-100
      1 × $109.95
    • × 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
    • × Bearing Forward Clutch Housing 72C 1005 1018 1014Bearing Forward Clutch Housing 72C 1005 1018 1014
      1 × $21.95
    • × Bearing KitsBearing Kits
      1 × $129.95
    • × Twin Disc MG506 Gasket for Main CaseTwin Disc MG506 Gasket for Main Case
      1 × $21.95

    Subtotal: $2,092.95

    View cartCheckout

 

Gaskets & Seals

Home » Transmission Parts » Twin Disc Transmissions » MG506 MG506A » Gaskets & Seals

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“Twin Disc MG506 Gasket for Main Case” has been added to your cart. View cart
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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Twin Disc MG506 Gasket for Main Case
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Twin Disc MG506 Gasket for Main Case

SKU: TDG506MC
$21.95
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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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