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      • Marine Torsional Flex Plate (Velvet Drive, SAE 11.5)
      • Vulkan Vulkardan-E Coupling (2K4011S036)
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    • ZF Adapter Housings / Plates
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    • ZF Transmission Mounting Brackets
      • ZF 63A 63IV 80A 85A SMX Marine Transmission Mounting Brackets
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    • Engine Hoses
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    • Engine Components
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      • Custom Marine Exhaust Design & Fabrication
      • Cummins Marine Fiberglass Exhaust Wrap
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      • Marine 316L SS 4 inch Pipe (4.5″ OD) 90 Degree Elbow
      • SMX Custom Stainless Steel Exhaust Mixer Kit
    • Fuel Systems & Filters
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    • Steering Systems
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    • Instrumentation & Electrical
      • SmartCraft to SMX Upgrade Kit
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      • SMX ED-X Display (QSM11 / 480CE)
      • Analog Instrument Panels
      • SmartCraft Components
      • Sending Units & Sensors
      • Alarm Systems & Switches
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      • Harnesses
      • SMX Turbocator Gauge Kit
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      • VDO Gauges
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    • Shift & Throttle Control Systems
      • Kobelt Marine Throttle & Shift Controls
      • Electronic Throttle Controls (ETC)
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      • Shift & Throttle Control Parts
    • Engine Upgrades & Add-Ons
      • EnviroVent Crankcase Ventilation (CCV) Kits
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      • Wolverine Oil Pan Heaters
      • Remote Oil Filter Kits
    • 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
      • Groco ARG Series Bronze Cap with Freshwater Flush
      • Cutlass Bearings
      • Fittings & Extras
    • Commercial Marine Equipment
      • Commercial Marine Hydraulic Pumps & Equipment
      • Hydraulic Pumps
      • Wash Down Water Pumps
      • Walter Marine Keel Coolers
      • PTO Pads & Accessories
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    • Shirts, Swag, & Stickers
      • Outer Banks Seaboard Marine T-Shirt
      • Cummins Marine 6CTA 8.3 Engine Sticker
      • Cummins Marine 6BTA 5.9 Engine Sticker
      • Cummins Marine QSB 5.9 Engine Sticker
      • Cummins Marine QSC 8.3 Engine Sticker
      • Seaboard Marine Sticker
      • Cummins Marine Engine Sticker
      • Cummins Marine Diamond Performance Series Engine Sticker
      • Cummins 330B Diamond Engine Decal
      • Cummins 370B Diamond Engine Decal
      • Cummins 450C Diamond Engine Decal
      • Cummins Chrome Emblem
    • Services
      • Phone & Email Consultation
      • Marine Diesel Pre-Purchase Consultation
      • Custom Marine Exhaust Design & Fabrication
      • Seawater Component Cleaning & Repair
      • 24V to 12V Engine Conversions
      • Custom Engine Upfitting
    • Used Parts / Classifieds
  • TransmissionsParts & Sales
    • ZF Marine Transmissions
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      • ZF Marine Transmission Quotation Request
      • Transmission Oil Coolers
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      • ZF 45-85 A/IV Shift Cable Bracket
      • ZF Marine 220A Shift Lever (3205308050)
      • ZF Marine 220A Shift Cable Bracket
      • ZF Marine ATF 63A/80A/85A Transmission Breather Cap
      • ZF Marine 220A Transmission Breather Cap
      • ZF Marine 280A/IV Transmission Breather Cap
      • ZF Transmission Dip Sticks
    • ZF Torsional Couplings
      • 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 ZF 220 (A / IV) Series Kit
      • Centa CF/DS 30 Torsional Coupling ZF 220A/V
      • Centa CF-R Torsional Coupling ZF 220A/IV
      • Centa CF-R Torsional Coupling ZF 285 286 A/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
      • ZF Transmission Adapter Plate SAE#3 for 45A, 63A, 63IV
      • ZF Transmission Adapter Plate SAE#3 for 80A, 85A, 85IV
      • 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
    • ZF Marine Shift & Trolling Valves
      • ZF Marine Mechanical ATF Series Shift & Troll Valve
      • ZF Marine Electronic ATF Series Shift & Troll Valve
      • ZF Marine Mechanical MB15 Shift Valve
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      • ZF Marine Electric EB15 Shift Valve
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      • ZF Marine Electric EB15 Shift Valve with Trolling Valve
      • ZF Marine Electric Trolling Valve
      • ZF Marine Mechanical Trolling Valve (ZF 280+)
      • ZF 220 Marine Mechanical Trolling Valve Kit
    • ZF Marine Shift Solenoids
      • ZF ATF Solenoid FI Connector
      • ZF ATF 63 A/IV 85 A/IV Electronic Progressive Shift Solenoid
      • ZF ATF 63 A/IV 85 A/IV Electronic Shift Solenoid
      • ZF EB15 Electronic Shift Solenoid
      • ZF EB30/31 Electronic Shift Solenoid
    • ZF Marine Solenoid Coils
      • ZF EB15 Electronic Shift Solenoid Coil
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      • ZF Electronic Shift Solenoid Wire Plug/Cap
    • ZF Transmission Filters
      • SMX Marine Transmission Drop in Screen Filter 63A 63IV 80A 85A
      • ZF 63/80/85 ATF Oil Filter Cover
      • Fleetguard LF701 Lube Filter for ZF Gears
      • Genuine ZF Marine Oil Filter Transmission (3213308019)
    • ZF Input / Output Shaft Seals
      • ZF Marine 63A Output Shaft Seal
      • ZF Marine 25A, 45A, 63A/IV, 80A/IV Input Shaft Seal
      • ZF Marine 85A/85IV Input Shaft Seal
      • ZF Marine 80A/85A Output Shaft Seal
      • ZF Marine 80IV/85IV Output Shaft Seal
      • ZF Marine 220A Input Shaft Seal
      • ZF Marine 220A/V Output Shaft Seal
    • ZF Transmission Mounting Brackets
      • ZF 63A 63IV 80A 85A SMX Marine Transmission Mounting Brackets
      • ZF 220A SMX Marine Transmission Mounting Brackets
      • ZF 280A SMX Marine Transmission Mounting Brackets
    • ZF Marine Oil Pumps
      • ZF Marine 220 / 220A Replacement Oil Pump
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Seaboard Marine Exclusive SMX Product Line For your Cummins Diesel Engines Superior Quality Explore Products Seaboard Stocks ZF Marine Transmissions Gears, Parts & Service View Inventory View Transmissions Everything you need to know about Marine Diesel Performance Design & Engineering from Tony Athens 35+ Years of Marine Expertise Explore Tony's Tips Next Generation SAE J1939 Marine Digital Displays Exclusively from Seaboard Marine for Cummins Marine Q-Series Diesels View Digital Displays Superior Design SMX Marine Seawater Pumps Exclusively from Seaboard 6BTA, 6CTA, QSB & QSL Engines View Seawater Pumps Seaboard Marine's Cummins Marine Online Forum Join the Community Share & Ask Questions Here Register or Login Here Seaboard Marine's Exclusive SMX Purple Vibration Isolators Keep your engines quiet... Superior Isolation Quality Learn More Seaboard Marine's Exclusive SMX Purple Vibration Isolators Keep your engines quiet... Superior Isolation Quality Learn More

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

Cummins Marine 6CTA 450 Diamond with True 2 Micron Filtration Cummins QSB 6.7 Another custom fiberglass muffler Early Style ZF 280A Marine Transmission QSB 6.7 CM2250 Processor ECM QSB HPCR Fuel Rail Sensor Lower Belt Guard Bolts on the B-series Shaft Angle in Relation to the Hatch & Deck Proper Throttle Travel QSB 5.9 Fuel connections & Parts-Ver 2.0 Cummins (WET) QSM 11 Custom manifold is gravity fed with 1.25" ID hose from the forward main fuel tank 30 feet forward of the engines. This manifold feeds 2 x QSM 630's and 2 x 20Kw gensets with #10 hose for the main and #8 hose for the generators Impeller Maintenance Cummins Marine Fuel Shutoff Solenoid Wiring 101 Jog Lever Steering Gear Cooler Dimensions Starter, Crank & Fuel Solenoid Wiring Circuit Aftercooler orientation for B C series Cummins Flywheel Housing Plug Cummins QSB 6.7 Fuel Supply and Return Ports QSC & QSL9 Pressure test 100psi Cummins Marine Fuel Components QSC & QSL QSB 5.9 Fuel Inlet Manifold Ports QSB 5.9 SmartCraft version 1.0 A ZF220A with rotary valve Cummins Marine 4B, 4BT, 4BTA Boost Fitting Location Cummins Marine 6BT Fuel Shutoff Solenoid Location Cummins SmartCraft DieselView Display Cummins Marine QSM11 Dry to Wet Conversion Mercury SmartCraft Logo Proper Relay Mounting Fuel Flow 330-370 Diamond Diode Isolator Alternator hook-up MUS Jumper Q Series Understanding the 6BTA 5.9 Combo Block Manifold Starting with a "factory" inline muffler shape applicable to the install. QSB Fuel Actuator QSB Position Sensor

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Seaboard Marine delivers “Guaranteed Better Than Factory” Performance, Parts, Design, and Engineering for Cummins and other Marine Diesel applications. We’ve been serving local Ventura County, California since 1980 as a custom boat builder, repower specialist, designer, and supplier of equipment to builders, commercial fishermen, and recreational users.

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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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