888.687.0539 (U.S.)
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225.706.4858 (Int.)
Monday-Friday 7am-5pm CST

Twin Disc MG-520 Marine Transmission Parts

Diesel Parts Direct is an Authorized Twin Disc Dealer and carries a great selection of genuine parts for MG-520-1 DC (deep case) and MG-520-1 SC (short case) marine transmissions. We stock most popular products like clutch plates, oil pumps, rubber blocks, and filters and have them ready for immediate shipment.


FILTER (SPIN ON)

  • $70.98
    • $70.98
    Qty: 

    OIL FILTER

  • $76.09
    • $76.09
    Qty: 

    OIL FILTER

  • $18.87
    • $18.87
    Qty: 

    FRONT SEAL

  • $85.56
    • $85.56
    Qty: 

    FRONT SEAL

  • $46.05
    • $46.05
    Qty: 

    OIL PUMP GASKET

    PART RECOMMENDED WHEN CHANGING PUMP

  • $4.75
    • $4.75
    Qty: 

    OIL FILTER GASKET

    PART RECOMMENDED WHEN CHANGING FILTER

  • $4.96
    • $4.96
    Qty: 

    GASKET

    PART RECOMMENDED WHEN CHANGING PUMP

  • $9.65
    • $9.65
    Qty: 

    REAR SEAL RETAINER O-RING

    PART RECOMMENDED WHEN CHANGING REAR SEALS

  • $32.55
    • $32.55
    Qty: 

    O-RING

  • $10.80
    • $10.80
    Qty: 

    O-RING

    PART RECOMMENDED WHEN CHANGING REAR SEALS

  • $32.09
    • $32.09
    Qty: 

    O-RING

    PART RECOMMENDED WHEN CHANGING SCREEN

  • $6.70
    • $6.70
    Qty: 

    REAR SEAL

  • $226.33
    • $226.33
    Qty: 

    REAR SEAL

  • $115.62
    • $115.62
    Qty: 

    RUBBER BLOCK

  • $16.44
    • $16.44
    Qty: 

    SCREEN

  • $82.01
    • $82.01
    Qty: 

    SCREEN

  • $22.57
    • $22.57
    Qty: 

    SELECTOR VALVE GASKET

  • $7.20
    • $7.20
    Qty: 

    TOP COVER GASKET

  • $55.45
    • $55.45
    Qty: 

    WEAR SLEEVE

    PART RECOMMENDED WHEN CHANGING FRONT SEAL

  • $27.23
    • $27.23
    Qty: 

    BEARING KIT

  • $7,340.23
    • $7,340.23
    Qty: 

    GASKET AND SEAL KIT

  • $1,464.72
    • $1,464.72
    Qty: 

    GASKET AND SEAL KIT

  • $808.37
    • $808.37
    Qty: 

    OIL PUMP (STANDARD, RIGHT END)

  • $2,455.79
    • $2,455.79
    Qty: 

    OIL PUMP

  • $1,067.19
    • $1,067.19
    Qty: 

    SELECTOR VALVE

  • Call for pricing
    • Call for pricing
    Qty: 

    CLUTCH CYLINDER

  • $4,893.40
    • $4,893.40
    Qty: 

    CLUTCH HUB

  • $3,321.49
    • $3,321.49
    Qty: 

    CLUTCH PLATE (FRICTION)

  • $214.99
    • $214.99
    Qty: 

    CLUTCH PLATE (DRIVEN, STEEL)

  • $84.60
    • $84.60
    Qty: 

    CLUTCH PLATE (STEEL)

  • $163.83
    • $163.83
    Qty: 

    DIPSTICK

  • $72.28
    • $72.28
    Qty: 

    DIPSTICK

  • Call for pricing
    • Call for pricing
    Qty: 

    DIPSTICK TUBE

  • Call for pricing
    • Call for pricing
    Qty: 

    DIPSTICK TUBE

  • $184.45
    • $184.45
    Qty: 

    DRIVE RING (BOLTS TO FLYWHEEL, 18")

  • $1,038.39
    • $1,038.39
    Qty: 

    DRIVE SPIDER (INPUT, 18")

  • $2,587.31
    • $2,587.31
    Qty: 

    OUTPUT FLANGE

  • $3,569.82
    • $3,569.82
    Qty: 

    SHIM PLATE

  • $46.71
    • $46.71
    Qty: 

    TORSIONAL ELEMENT (VULKAN, SILICON)

  • $5,201.91
    • $5,201.91
    Qty: 

    BREATHER

  • $155.53
    • $155.53
    Qty: 
    Hundreds Of Items Guaranteed in Stock
    Hundreds Of Items Guaranteed in Stock Click here for details
    Great Selection of Fresh and Sea Water Pumps

    GREAT SELECTION OF FRESH AND RAW WATER PUMPS

    Everyday Free Ground Shipping on Select Overhaul Kits and Turbos
    Everyday Free Ground Shipping on Select Overhaul Kits and Turbos Click here for details

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