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Twin Disc MG-509 Marine Transmission Parts

Diesel Parts Direct is an Authorized Twin Disc Dealer and carries a great selection of genuine parts for MG-509 DC (deep case) and MG-509 SC (short case) marine transmissions. We stock most popular products like clutch plates, oil pumps, rubber blocks, and bearing kits and have them ready for immediate shipment.

Back to Twin Disc Marine Transmissions Twin Disc MG-509 Specifications

TD-215041

DRIVE RING (BOLTS TO FLYWHEEL, 14")

$1,005.18

Qty:

TD-A2916BS

O-RING

$16.47

Qty:

TD-A2916FS

O-RING

PART RECOMMENDED WHEN CHANGING REAR SEALS

$21.37

Qty:

TD-A3905B

RUBBER BLOCK

$12.02

Qty:

In Stock

TD-A4344A

OUTPUT FLANGE

$3,292.79

Qty:

TD-A4480A

CLUTCH PLATE (DRIVING)

$55.74

Qty:

TD-A4480M

CLUTCH PLATE (DRIVING)

$60.27

Qty:

TD-A4632

DRIVE SPIDER (INPUT, 14")

$5,308.29

Qty:

TD-A4660A

OUTPUT FLANGE

$2,575.09

Qty:

TD-A4898

TOP COVER GASKET

$17.39

Qty:

TD-A4939

CLUTCH PLATE (DRIVEN, STEEL)

$52.27

Qty:

TD-A4968A

HUB AND BACK PLATE

$2,412.81

Qty:

TD-A4969AE

DIPSTICK

$102.99

Qty:

TD-A6860A

CLUTCH SPIDER

$2,629.19

Qty:

TD-B1251A

BREATHER

$265.18

Qty:

TD-B1337D

SELECTOR VALVE GASKET

$9.00

Qty:

In Stock

TD-B1646

GASKET

$11.07

Qty:

TD-B1653

GASKET

PART RECOMMENDED WHEN CHANGING PUMP

$8.26

Qty:

TD-B1656

GASKET

$8.54

Qty:

Ships in 1-2 days

TD-B3136D

DIPSTICK

$82.59

Qty:

Ships in 1-2 days

TD-K462

OVERHAUL PLATE KIT

$2,054.58

Qty:

TD-K465

BEARING KIT

$3,488.13

Qty:

TD-K466

BEARING KIT

$3,343.01

Qty:

TD-K467

GASKET AND SEAL KIT

$1,424.52

Qty:

Ships in 1-2 days

TD-K468

GASKET AND SEAL KIT

$1,694.58

Qty:

TD-K593

SELECTOR VALVE - MG509

$2,383.73

Qty:

TD-M136A

REAR SEAL

$44.18

Qty:

TD-M137

FRONT SEAL

$61.62

Qty:

Ships in 1-2 days

TD-M1959AD

HEAT EXCHANGER

$2,889.39

Qty:

TD-M2074E

LATHE CUT RING

PART RECOMMENDED WHEN CHANGING REAR SEALS

$11.14

Qty:

TD-M2074F

LATHE CUT RING

PART RECOMMENDED WHEN CHANGING FRONT SEAL

$52.58

Qty:

TD-M2368AD

OIL PUMP

$2,017.39

Qty:

TD-M2371

REAR SEAL

$91.83

Qty:

TD-M2372

SCREEN ELEMENT FILTER

$222.97

Qty:

Ships in 1-2 days

TD-MA923U

PRESSURE HOSE

$182.36

Qty:

TD-P12235

CLUTCH PLATE (STEEL)

$32.06

Qty:

TD-XB2301

DIPSTICK TUBE

$132.29

Qty:

CID: 69064881