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Boating & Marine > Marine Engine Parts > Spark Plugs & Tune Up Kits >

Boating & Marine>Marine Engine Parts>Spark Plugs & Tune Up Kits>

Engine Parts

For the mechanic or do-it-yourselfer, we offer parts from Sierra, Arrowhead, Arco, and more for most outboard motors and inboard engines. Our engine parts include starters, water pumps, manifolds, mufflers, alternators, starters, spark plugs, carburetors, solenoids, tilt and trim motors, and more. Seloc Counterman makes finding the right part easy.

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NGK Spark Plugs

NGK Spark Plugs

Key Features
  • High-alumina ceramics

  • Deep-seated copper core

  • Nickel alloy tip

27 models to choose from
$2.99 - $9.99
Sierra Distributor Cap For Mercury Marine/OMC/Volvo Engine Sierra Part #18-5361

Sierra Distributor Cap For Mercury Marine/OMC/Volvo Engine Sierra...

Key Features
  • Sierra Part #18-5361

  • Distributor cap

  • For Mercury Marine/OMC/Volvo engine

$8.04
Aqua Power Complete Performance Marine Tune-Up Kit..

Aqua Power Complete Performance Marine Tune-Up Kit

Key Features
  • Includes cap, rotor, points, and condenser

8 models to choose from
$12.99 - $79.99
Magstar Marine Spark Plug Wire Set for 4-Cyl. with Electronic Ignition

Magstar Marine Spark Plug Wire Set for 4-Cyl. with Electronic ...

Key Features
  • High performance marine wire set

  • Eliminates radio interference

  • Stainless steel spark plug terminals

  • Corrosion-proof connection

  • Pure silicone boots for maximum heat protection

$24.99
Aqua Power Complete Performance Marine Tune-Up Kit

Aqua Power Complete Performance Marine Tune-Up Kit

Key Features
  • Includes cap, rotor, points, and condenser

  • For Mercruiser V-6 engines with:

  • Thunderbolt IV ignition systems

$27.99
Sierra Spark Plug Wire Set For Mercury Marine, Sierra Part #18-8804-1

Sierra Spark Plug Wire Set For Mercury Marine, Sierra Part #18-...

Key Features
  • Sierra Part #18-8804-1

  • Mercury Marine spark plug wire set

$39.99
Electronic Conversion Kits

Electronic Conversion Kits

Key Features
  • Easy to install

  • Performance not affected by oil, heat, or moisture

  • Not for use in OMC enfines w/shift assist module

  • Distributor cap and rotor not included

6 models to choose from
$129.99 - $164.99
Sierra Wiring/Plug Set For Mercury Marine/OMC Engine, Sierra Part #18-8810-1

Sierra Wiring/Plug Set For Mercury Marine/OMC Engine, Sierra Part...

Key Features
  • Sierra Part #18-8810-1

  • Wiring/plug set

  • For Mercury Marine/OMC engine

$38.99
Magstar Marine Spark Plug Wire Set for 4-Cyl. w/Conventional Ignition

Magstar Marine Spark Plug Wire Set for 4-Cyl. w/Conventional ...

Key Features
  • Stainless steel spark plug terminals

  • Positive corrosion-proof connection

  • Pure silicone boots for maximum heat protection

$29.99
Magstar Marine Spark Plug Wire Set for V8 GM Ford Engines

Magstar Marine Spark Plug Wire Set for V8 GM & Ford Engines

Key Features
  • Stainless steel spark plug terminals

  • Positive corrosion-proof connection

  • Pure silicone boots for maximum heat protection

$39.99
Sierra Spark Plug Wire Set For Mercury Marine Engine, Sierra Part #18-8822-1

New! Sierra Spark Plug Wire Set For Mercury Marine Engine, Sierra...

Key Features
  • Sierra Part #18-8822-1

  • Spark plug wire set

  • For Mercury Marine engine

$74.99
Sierra Wiring/Plug Set For Mercury Marine/OMC Engine, Sierra Part #18-8801-1

Sierra Wiring/Plug Set For Mercury Marine/OMC Engine, Sierra Part...

Key Features
  • Sierra Part #18-8801-1

  • Wiring/plug set

  • For Mercury Marine/OMC/Volvo engine

$58.99
Sierra Tune-Up Kit, Sierra Part #18-5282

Sierra Tune-Up Kit, Sierra Part #18-5282

Key Features
  • Sierra Part #18-5282

  • Tune-up kit

$53.99
Sierra Wiring/Plug Set For Mercury Marine Engine, Sierra Part #18-8833-1

Sierra Wiring/Plug Set For Mercury Marine Engine, Sierra Part #18...

Key Features
  • Sierra Part #18-8833-1

  • Wiring/plug set

  • For Mercury Marine engine

$34.99
Sierra Tune-Up Kit For Mercury Marine Engine, Sierra Part #18-5281

Sierra Tune-Up Kit For Mercury Marine Engine, Sierra Part #18-...

Key Features
  • Sierra Part #18-5281

  • Tune-up kit

  • For Mercury Marine engine

$31.99
Sierra Wiring/Plug Set For OMC Engine, Sierra Part #18-8820-1

New! Sierra Wiring/Plug Set For OMC Engine, Sierra Part #18-8820-...

Key Features
  • Sierra Part #18-8820-1

  • Wiring/plug set

  • For OMC engine

$72.99
Sierra Wiring/Plug Set For Mercury Marine Engine, Sierra Part #18-8838-1

New! Sierra Wiring/Plug Set For Mercury Marine Engine, Sierra ...

Key Features
  • Sierra Part #18-8838-1

  • Wiring/plug set

  • For Mercury Marine engine

$459.99
Sierra Wiring/Plug Set For Mercury Marine Engine, Sierra Part #18-8836-1

New! Sierra Wiring/Plug Set For Mercury Marine Engine, Sierra ...

Key Features
  • Sierra Part #18-8836-1

  • Wiring/plug set

  • For Mercury Marine engine

$74.99
Sierra Wiring/Plug Set For Mercury Marine Engine, Sierra Part #18-8834-1

New! Sierra Wiring/Plug Set For Mercury Marine Engine, Sierra ...

Key Features
  • Sierra Part #18-8834-1

  • Wiring/plug set

  • For Mercury Marine engine

$74.99
Sierra Wiring/Plug Set For Mercury Marine Engine, Sierra Part #18-8828-1

New! Sierra Wiring/Plug Set For Mercury Marine Engine, Sierra ...

Key Features
  • Sierra Part #18-8828-1

  • Wiring/plug set

  • For Mercury Marine engine

$79.99

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