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    • Seaboard Specialty Kits
      • SMX 6BTA 5.9 Seawater Pump Spacer Kit
      • ZF220A & ZF220V Shift Valve Lever Repair Kit
      • Cummins Custom Exhaust Flange Kit
      • Fuel Cooler Removal Kit
      • SMX Mechanical Oil Pressure Gauge Kit
      • Borg Warner Velvet Drive to Cummins 5.9 HD Adapter Kit
    • General Boat Parts
      • Acme Marine Propellers
      • Split Hub Propeller Shaft Couplings
      • Groco Raw Water Strainers
      • Groco Bronze Thru-Hull Valves
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      • Cutlass Bearings
      • Fittings & Extras
    • Commercial Marine Equipment
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      • Hydraulic Pumps
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      • Walter Marine Keel Coolers
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    • Services
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      • Custom Engine Upfitting
    • Used Parts / Classifieds
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      • Centa CF-R High Inertia Torsional Coupling for ZF 63A/IV 80A/IV 85A/IV
      • Heavy Duty Suredrive™ Coupling for Borg Warner & ZF 25 thru 220 Transmissions
      • Vulkan Torflex Coupling for Yanmar 4LH/6LP
      • Vulkan Torflex Coupling ZF 220 (A / IV) Series Kit
      • Centa CF/DS 30 Torsional Coupling ZF 220A/V
      • Centa CF-R Torsional Coupling ZF 220A/IV
      • Vulkan Torflex Coupling ZF 280 Series Kit
      • Centa CF-R Torsional Coupling ZF 280A/IV
      • Marine Torsional Flex Plate (Velvet Drive, SAE 11.5)
      • Vulkan Vulkardan-E Coupling (2K4011S036)
      • Vulkan Vulkardan-E Coupling (2K4011S041)
      • Vulkan Vulkardan-E Coupling (2K3411S004)
    • ZF Adapter Housings / Plates
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      • ZF Transmission Adapter Plate SAE#3 for ZF 220A
      • ZF Transmission Adapter Plate SAE#3 for ZF 280A/IV
      • ZF Transmission Adapter Plate SAE#3 for ZF 285A/IV & ZF 286A/IV
      • Transmission Adapter Plate to Bellhousing Bolt Hardware Kit
      • SMX Transmission Spacer for Borg Warner Velvet Drive
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      • ZF Marine Electronic ATF Series Shift & Troll Valve
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      • SMX Marine Transmission Drop in Screen Filter 63A 63IV 80A 85A
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      • Fleetguard LF701 Lube Filter for ZF Gears
      • Genuine ZF Marine Oil Filter Transmission (3213308019)
    • ZF Input / Output Shaft Seals
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Product Search

Seaboard Marine stocks a full-line of Cummins Marine Diesel Engines, ZF Marine Transmissions, and Specializes in Parts & Service for Cummins Marine.

Seaboard Marine Featured Products

Cummins Marine SmartCraft to SMX Adapter Harness with SMX SeaView
SmartCraft DieselView to SMX Digital Display Frame
SmartCraft to SMX Digital Display Upgrade Kit
not rated Single engine $1395 or Twin Engine for $2595 Select options
SMX Vibration Isolator for Cummins 6B 5.9 Marine Engines
SMX (PURPLE) Specialty Vibration Isolator for Mid-Range Marine Diesel Engines
not rated $165.00 – $650.00 Select options
6BTA 5.9 Marine EnviroVent CCV Kit
EnviroVent CCV Kit 6BTA Series for In-line Drive Engines
not rated $350.00 Select options
SMX Double Double Multi-Stage Fuel Filtration Kit
SMX Double Double Multi-Stage Fuel Filtration Kit
not rated $400 or 2 for $775 Add to cart
Custom Exhaust Flange Kit
Custom Exhaust Flange Kit
Cummins Custom Exhaust Flange Kit
not rated $150.00 Add to cart
6BTA Aftercooler & Heat Exchanger Maintenance Kit
#2 Kit
6BT/6BTA Seawater Side Aftercooler & Heat Exchanger Maintenance Kit
not rated $110.00 – $180.00 Select options
SMX SeaView J1939 Single Digital Display Kit
SMX SeaView J1939 Digital Display Back
SMX SeaView J1939 Single Digital Display Kit
not rated $1,495.00 Add to cart
SMX QSB Seawater Pump
SMX QSB Seawater Pump
not rated $825.00 Add to cart
SMX 1730 Seawater Pump
SMX 1730 Seawater Pump for 6BTA-M3 / 6CTA / 480CE / QSL9
Rated 5.00 out of 5
 $750.00 Select options

Recent Tony’s Tips Articles

A Much Better Cummins Marine 6CTA 8.3 Gear Cooler Location Cabin Heater Connection Ports for QSB 6.7 & QSB 5.9 A "Low Hour" Engine QSB HPCR Fuel Rail Sensor Cummins Engine Stop Kill Wire Modified QSB 5.9 with Fuel Cooler Removed Cummins QSL 9 Sherwood Pump vs SMX Pump Starter, Crank & Fuel Solenoid Wiring Cummins Air Heater Fuse Plug Cummins Marine 4B, 4BT, 4BTA Boost Fitting Location Fuel and Horsepower Remember, small holes to small holes and large holes to large holes. It is possible to flip the gasket the wrong way which will result in serious leakage Early Style ZF 280A Marine Transmission QSM11 Low Coolant Sensor The fitting/plug shown is the best place to bleed air from your "Quantum" fuel system. Pressure port for switch ZF 220V & 220A Racor Fuel Filter Cummins Marine Leaking Coolant Sensor Failed Vulkan VL Coupling Cummins Marine 4BTA 3.9 Cummins Marine Fuel Shutoff Solenoid Wiring 101 QSM11 Wet Exhaust Riser Test Port Location Magnetic Switches Diagram and Styles ZF 280 MB15 Shift Valve Gear Oil Pressure Port Typical DC Power Distribution Examples for Marine Engines Big Nut vs. Little Nut Jog Lever Steering QSB 6.7 CM2250 Processor ECM Here's the source of that annoying screech "ROWDY" www.networkyachtbrokers.co.uk/boats_archive/ (Searching Google, you can find many references to the boats racing activities over the last few years) Cummins Position Sensor Lower Belt Guard Bolts on the B-series Identifying Spinning Engine Components The Story of Cummins & Mercury SmartCraft 6CTA 8.3 Coolant Temperature Sender Location Crankcase Ventilation (08) Rectorseal and Tape = Zero Ohms New Turbo vs 27000 hours turbo Cummins Marine Three-Way Fuel & Oil Combo Block Manifold Proper Throttle Travel Typical ZF Oil Screen Cummins Marine High Mount Turbo Option Cummins QSC 8.3

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What We Do

Seaboard Marine delivers “Guaranteed Better Than Factory” Performance, Parts, Design, and Engineering for Cummins and other Marine Diesel applications. We’ve been serving the local Ventura and Oxnard areas of California since 1980 as a custom boat builder, repower specialist, designer, and supplier of equipment to builders, commercial fishermen, and recreational users. Seaboard also ships Internationally every day to support the Cummins Marine brand across the globe.

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Seaboard Marine Inc.

2947 W 5th Street Oxnard CA 93030

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"Windstone" is owned by David Sharabani of Santa Maria, California. He's an electrical contractor that is trying to find time to go fishing now that he's got a serious fish machine that can run with the best of them! The vessel has the typical " Seaway" look. A little commercial, but still has those lines that appeal to so many. Don't know if you are aware of the Seaway heritage, but just about all of the "Baywatch" boats, here in So. Cal. were made by them...... Widgeon Repower SHOOTER The 4 Year 40 Knot 31 Foot Bertram Odyssey

Featured Articles

  • A "Low Hour" Engine “Marine Age” the REAL age of a Marine Diesel Engine January 10, 2018
  • Propellers Move Boats, Engines Just Turn Them January 8, 2018
  • Cummins QSB 380 in a 27 ft Farallon - 4" dry to 5" mixer. Under 25" H2O at WOT. Everything you Need to Know About Marine Exhaust Systems January 6, 2018
  • Cummins QSB 5.9 Continuous Duty – A Different Perspective January 4, 2018
  • Understanding Low Power Troubleshooting January 2, 2018
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