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Celebrating 50 years of Trusted Marine Service
50 years of Trusted Marine Service

Transmissions & Components

Professional Transmission Solutions

Complete range of transmissions, gearboxes, and transmission components for commercial and recreational vessels. Our catalog includes OEM replacement parts, complete transmission assemblies, and certified service kits from leading drivetrain manufacturers.

Product Categories

  • Complete Transmissions - Drop-in replacement units for inboard and sterndrive applications
  • Transmission Components - Gears, bearings, seals, and internal parts
  • Service Kits - OEM-certified rebuild and maintenance kits
  • Coolers & Heat Exchangers - Transmission cooling systems and components
  • Controls & Cables - Shift controls, linkages, and actuation systems
  • Fluids & Lubricants - Transmission oils and specialty lubricants

All transmission products meet or exceed OEM specifications and are backed by manufacturer warranties. Technical support available for installation and service requirements.

Filters

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Borg Warner Velvet Drive OEM Planetary Bushing 71 72 1004 1005 Series 71-9C

Original price $93.60 - Original price $93.60
Original price $93.60
$93.60
$93.60 - $93.60
Current price $93.60
Only 2 left!

The Borg Warner 71-9C is an OEM-style case / planetary bushing for select Velvet Drive 71 and 72 series marine transmissions. Current transmission-...

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Original price $93.60 - Original price $93.60
Original price $93.60
$93.60
$93.60 - $93.60
Current price $93.60

Velvet Drive - Damper Plate 13.25" 454 GM / Ford Lehman - 1004-650-007

Original price $0.00 - Original price $0.00
Original price $0.00
$344.26
$344.26 - $344.26
Current price $344.26
Only 2 left!

The Velvet Drive 1004-650-007 Damper Plate is a replacement marine transmission damper plate for compatible Velvet Drive installations using select...

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Original price $0.00 - Original price $0.00
Original price $0.00
$344.26
$344.26 - $344.26
Current price $344.26

Velvet Drive - Thrust Washer - 71159

Original price $0.00 - Original price $0.00
Original price $0.00
$28.86
$28.86 - $28.86
Current price $28.86
Only 2 left!

The Velvet Drive 71159 Thrust Washer is a replacement internal washer used in compatible Velvet Drive marine transmission assemblies. It helps mana...

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Original price $0.00 - Original price $0.00
Original price $0.00
$28.86
$28.86 - $28.86
Current price $28.86

Borg-Warner Valve Spring 71-242

Original price $11.66 - Original price $11.66
Original price
$11.66
$11.66 - $11.66
Current price $11.66
Only 1 left!

The Borg-Warner 71-242 Valve Spring is a replacement internal transmission spring used in compatible Borg-Warner marine transmission valve assembli...

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Original price $11.66 - Original price $11.66
Original price
$11.66
$11.66 - $11.66
Current price $11.66

Borg-Warner Case Adapter Gasket 71-144B

Original price $14.20 - Original price $14.20
Original price
$14.20
$14.20 - $14.20
Current price $14.20
Only 2 left!

The Borg-Warner 71-144B Case Adapter Gasket is a replacement sealing gasket used at the case adapter joint on compatible Borg-Warner marine transmi...

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Original price $14.20 - Original price $14.20
Original price
$14.20
$14.20 - $14.20
Current price $14.20

Borg-Warner Pressure Plate 5L-67

Original price $42.82 - Original price $42.82
Original price
$42.82
$42.82 - $42.82
Current price $42.82
Only 1 left!

Borg-Warner 5L-67 is a pressure plate used in Borg-Warner / Velvet Drive marine transmission clutch assembly service where this exact part number i...

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Original price $42.82 - Original price $42.82
Original price
$42.82
$42.82 - $42.82
Current price $42.82

Borg-Warner Output Nut 4775L

Original price $26.88 - Original price $26.88
Original price
$26.88
$26.88 - $26.88
Current price $26.88
Only 1 left!

Borg-Warner 4775L is an output nut used in Borg-Warner / Velvet Drive marine transmission applications where this exact part number is specified. K...

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Original price $26.88 - Original price $26.88
Original price
$26.88
$26.88 - $26.88
Current price $26.88

Borg-Warner Pressure Plate 5C-175A

Original price $39.96 - Original price $39.96
Original price
$39.96
$39.96 - $39.96
Current price $39.96
Only 2 left!

Borg-Warner 5C-175A is a pressure plate used in Borg-Warner / Velvet Drive marine transmission clutch assembly service where this exact part number...

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Original price $39.96 - Original price $39.96
Original price
$39.96
$39.96 - $39.96
Current price $39.96

Volvo Penta Transmission Oil 1141681

Original price $751.00 - Original price $751.00
Original price $751.00
$751.00
$751.00 - $751.00
Current price $751.00
Only 5 left!

Volvo Penta 1141681 is a genuine transmission oil formulated for Volvo Penta marine drive applications. Current Volvo Penta maintenance-parts guida...

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Original price $751.00 - Original price $751.00
Original price $751.00
$751.00
$751.00 - $751.00
Current price $751.00

Volvo Penta Transmission Oil 1141680

Original price $151.00 - Original price $151.00
Original price $151.00
$151.00
$151.00 - $151.00
Current price $151.00
Out of stock

Volvo Penta Transmission Oil (Gear Oil) 1141680 is a genuine OEM Volvo Penta marine gear lubricant for compatible Volvo Penta drives and transmissi...

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Original price $151.00 - Original price $151.00
Original price $151.00
$151.00
$151.00 - $151.00
Current price $151.00
Sold out

Volvo Penta Transmission Oil 11 75W-90 GL-5 Synthetic 1141679

Original price $40.60 - Original price $40.60
Original price $40.60
$40.60
$40.60 - $40.60
Current price $40.60
in stock

Volvo Penta Transmission Oil 11 1141679 is a genuine Volvo Penta 75W-90 fully synthetic API GL-5 gear oil for compatible Volvo Penta drives and tra...

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Original price $40.60 - Original price $40.60
Original price $40.60
$40.60
$40.60 - $40.60
Current price $40.60

Volvo Penta Transmission Oil 80W-90 GL-5 1141676

Original price $27.80 - Original price $27.80
Original price
$27.80
$27.80 - $27.80
Current price $27.80
in stock

The Volvo Penta Transmission Oil 1141676 is a genuine Volvo Penta SAE 80W-90 API GL-5 gear oil for compatible older Volvo Penta sterndrives and tra...

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Original price $27.80 - Original price $27.80
Original price
$27.80
$27.80 - $27.80
Current price $27.80

AMSOIL 75W-90 Long Life 100% Synthetic Gear Lube — 1 Qt, Extended Drain, Differential/Gearbox | FGRQTC

Original price $27.99 - Original price $27.99
Original price
$27.99
$27.99 - $27.99
Current price $27.99
Only 2 left!

The AMSOIL 75W-90 Long Life 100% Synthetic Gear Lube is an extended-drain synthetic gear oil engineered for differentials, gearboxes, heavy-duty tr...

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Original price $27.99 - Original price $27.99
Original price
$27.99
$27.99 - $27.99
Current price $27.99

Pennzoil Dex/Merc Automatic Transmission Fluid — 1 Qt / 946 mL, DEXRON III/MERCON | 550050745

Original price $11.82 - Original price $11.82
Original price
$11.82
$11.82 - $11.82
Current price $11.82
in stock

The Pennzoil Automatic Transmission Fluid 550050745 is a high-quality mineral-oil ATF formulated for automatic transmissions, power-shift transmiss...

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Original price $11.82 - Original price $11.82
Original price
$11.82
$11.82 - $11.82
Current price $11.82

Borg Warner Poppet Spring 71-42 (71/72 Series)

Original price $11.66 - Original price $11.66
Original price $11.66
$11.66
$11.66 - $11.66
Current price $11.66
Only 5 left!

OEM Borg Warner poppet spring engineered for reliable valve operation in marine transmissions. Precision-manufactured to exact specifications for p...

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Original price $11.66 - Original price $11.66
Original price $11.66
$11.66
$11.66 - $11.66
Current price $11.66

Borg Warner Reverse Clutch Plate Assembly 72-A66B

Original price $77.01 - Original price $77.01
Original price $77.01
$77.01
$77.01 - $77.01
Current price $77.01
Only 5 left!

OEM Borg Warner reverse clutch plate assembly engineered for reliable reverse gear operation in marine transmissions. Precision-manufactured to exa...

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Original price $77.01 - Original price $77.01
Original price $77.01
$77.01
$77.01 - $77.01
Current price $77.01

Borg Warner Front Pump Gasket 3-61

Original price $9.11 - Original price $9.11
Original price $9.11
$9.11
$9.11 - $9.11
Current price $9.11
in stock

OEM Borg Warner front pump gasket engineered for reliable sealing performance in marine transmissions. Precision-cut to exact specifications for pr...

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Original price $9.11 - Original price $9.11
Original price $9.11
$9.11
$9.11 - $9.11
Current price $9.11

Borg Warner Inner Clutch Plate Assembly B 3000-166-001

Original price $18.58 - Original price $18.58
Original price $18.58
$18.58
$18.58 - $18.58
Current price $18.58
in stock

OEM Borg Warner inner clutch plate assembly engineered for reliable power transfer in marine transmissions. Precision-manufactured to exact specifi...

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Original price $18.58 - Original price $18.58
Original price $18.58
$18.58
$18.58 - $18.58
Current price $18.58

West Marine 10" Crush Sleeve - CEN-1200588

Original price $469.44 - Original price $469.44
Original price $469.44
$469.44
$469.44 - $469.44
Current price $469.44
Only 2 left!

Premium 10-inch crush sleeve designed for marine transmission and drive system installations. This precision-engineered component ensures proper be...

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Original price $469.44 - Original price $469.44
Original price $469.44
$469.44
$469.44 - $469.44
Current price $469.44

CENTA CFR 114/134/136/178 HR Roller Damper - Flexible Coupling Component

Original price $105.82 - Original price $105.82
Original price $105.82
$105.82
$105.82 - $105.82
Current price $105.82
Out of stock

High-Resilience Roller Damper for CENTA CFR Flexible Couplings This high-resilience (HR) roller damper is designed for CENTA CFR 114, 134, 136, and...

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Original price $105.82 - Original price $105.82
Original price $105.82
$105.82
$105.82 - $105.82
Current price $105.82
Sold out

ZF Marine Transmission O-Ring - Seal Component

Original price $19.68 - Original price $19.68
Original price $19.68
$19.68
$19.68 - $19.68
Current price $19.68
Out of stock

O-Ring for ZF Marine Transmissions This precision-manufactured O-ring is designed for ZF marine transmissions, providing reliable sealing at vario...

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Original price $19.68 - Original price $19.68
Original price $19.68
$19.68
$19.68 - $19.68
Current price $19.68
Sold out

ZF Marine Transmission O-Ring 16x2mm - Seal Component

Original price $5.50 - Original price $5.50
Original price $5.50
$5.50
$5.50 - $5.50
Current price $5.50
Only 2 left!

16x2mm O-Ring for ZF Marine Transmissions This precision-manufactured 16x2mm O-ring is designed for ZF marine transmissions, providing reliable sea...

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Original price $5.50 - Original price $5.50
Original price $5.50
$5.50
$5.50 - $5.50
Current price $5.50

ZF Marine Transmission O-Ring - Seal Component

Original price $8.85 - Original price $8.85
Original price $8.85
$8.85
$8.85 - $8.85
Current price $8.85
Only 3 left!

O-Ring for ZF Marine Transmissions This precision-manufactured O-ring is designed for ZF marine transmissions, providing reliable sealing at variou...

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Original price $8.85 - Original price $8.85
Original price $8.85
$8.85
$8.85 - $8.85
Current price $8.85

TMI HSW Control Valve Oil Seal - Marine Transmission Seal Component

Original price $33.01 - Original price $33.01
Original price $33.01
$33.01
$33.01 - $33.01
Current price $33.01
Only 2 left!

Control Valve Oil Seal for TMI HSW Marine Transmissions This precision-manufactured oil seal is designed for TMI HSW marine transmission control va...

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Original price $33.01 - Original price $33.01
Original price $33.01
$33.01
$33.01 - $33.01
Current price $33.01