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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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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
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
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 Wiring/Plug Set For Mercury Marine/OMC Engine, Sierra Part #18-8800-1

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

Key Features
  • Sierra Part #18-8800-1

  • Wiring/plug set

  • For Mercury Marine/OMC engine

$35.99
Sierra Spark Plug Boot For Chris-Craft Engine, Sierra Part #18-5752

New! Sierra Spark Plug Boot For Chris-Craft Engine, Sierra Part #...

Key Features
  • Sierra Part #18-5752

  • Spark plug boot

  • For Chris-Craft engine

$4.24
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. 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
$21.96
Sierra Spark Plug Wire Kit For Mercury Marine Engine, Sierra Part #18-5225

Sierra Spark Plug Wire Kit For Mercury Marine Engine, Sierra Part...

Key Features
  • Sierra Part #18-5225

  • Spark plug wire kit

  • Designed for Mercury Marine engine

$32.99
Sierra Wiring/Plug Set For Mercury Marine/OMC Engine, Sierra Part #18-8803-2

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

Key Features
  • Sierra Part #18-8803-2

  • Wiring/plug set

  • For Mercury Marine/OMC engine

$49.99
Sierra Wiring/Plug Set For OMC Engine, Sierra Part #18-5231-1D

New! Sierra Wiring/Plug Set For OMC Engine, Sierra Part #18-5231-...

Key Features
  • Sierra Part #18-5231-1D

  • Wiring/plug set

  • For OMC engine

$11.99
Sierra Engine Tune-Up Kit, Sierra Part #18-5276

Sierra Engine Tune-Up Kit, Sierra Part #18-5276

Key Features
  • Sierra Part #18-5276

  • Engine tune-up kit

$39.99
Sierra Tuneup Kit For OMC Engine, Sierra Part #18-5258

Sierra Tuneup Kit For OMC Engine, Sierra Part #18-5258

Key Features
  • Sierra Part #18-5258

  • Tuneup kit

  • For OMC engine

$22.99
Sierra Tuneup Kit For OMC Engine, Sierra Part #18-5251

Sierra Tuneup Kit For OMC Engine, Sierra Part #18-5251

Key Features
  • Sierra Part #18-5251

  • Tuneup kit

  • For OMC engine

$22.99
Sierra Tuneup Kit For OMC Engine, Sierra Part #18-5256

Sierra Tuneup Kit For OMC Engine, Sierra Part #18-5256

Key Features
  • Sierra Part #18-5256

  • Tuneup kit

  • For OMC engine

$30.99
Aqua Power Complete Performance Marine Tune-Up Kit..

Aqua Power Complete Performance Marine Tune-Up Kit

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

8 models to choose from
$12.99 - $84.99
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
$139.99 - $174.99
Sierra Tuneup Kit For Volvo Engine, Sierra Part #18-5257

Sierra Tuneup Kit For Volvo Engine, Sierra Part #18-5257

Key Features
  • Sierra Part #18-5257

  • Tuneup kit

  • For Volvo engine

$36.99
CDI 7" Spark Tester Wire

CDI 7" Spark Tester Wire

Key Features
  • 7" extension wire

  • Use with CDI-5119766 spark gap tester

  • Set includes 4 wires

$29.99
Sierra Tuneup Kit For OMC Engine, Sierra Part #18-5006

Sierra Tuneup Kit For OMC Engine, Sierra Part #18-5006

Key Features
  • Sierra Part #18-5006

  • Tuneup kit

  • For OMC engine

$19.99
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

$54.99
Sierra Tuneup Kit For Mercury Marine Engine, Sierra Part #18-5278

New! Sierra Tuneup Kit For Mercury Marine Engine, Sierra Part #18...

Key Features
  • Sierra Part #18-5278

  • Tuneup kit

  • For Mercury Marine engine

$24.99
NGK Spark Plugs

NGK Spark Plugs

Key Features
  • High-alumina ceramics

  • Deep-seated copper core

  • Nickel alloy tip

25 models to choose from
$2.99 - $9.99
Sierra Tune-Up Kit, Sierra Part #18-5267

Sierra Tune-Up Kit, Sierra Part #18-5267

Key Features
  • Sierra Part #18-5267

  • Tune-up kit

$53.99
Sierra Distributor Cap For Westerbeke Engine, Sierra Part #23-2701

Sierra Distributor Cap For Westerbeke Engine, Sierra Part #23-...

Key Features
  • Sierra Part #23-2701

  • Distributor cap

  • For Westerbeke engine

$54.99
Sierra Wiring/Plug Set For OMC Engine, Sierra Part #18-8843-1

Sierra Wiring/Plug Set For OMC Engine, Sierra Part #18-8843-1

Key Features
  • Sierra Part #18-8843-1

  • Wiring/plug set

  • For OMC engine

$69.99
Sierra Distributor Cap For Westerbeke Engine, Sierra Part #23-2700

Sierra Distributor Cap For Westerbeke Engine, Sierra Part #23-...

Key Features
  • Sierra Part #23-2700

  • Distributor cap

  • For Westerbeke engine

$59.99
Sierra Wiring/Plug Set For Chrysler Inboard Engine, Sierra Part #18-8827-1

Sierra Wiring/Plug Set For Chrysler Inboard Engine, Sierra Part #...

Key Features
  • Sierra Part #18-8827-1

  • Wiring/plug set

  • For Chrysler Inboard engine

$69.99
Sierra Spark Plug Wire Set For Mercury Marine Engine, Sierra Part #18-8837-1

Sierra Spark Plug Wire Set For Mercury Marine Engine, Sierra Part...

Key Features
  • Sierra Part #18-8837-1

  • Spark plug wire set

  • For Mercury Marine engine

$69.99
Sierra Spark Plug Wire Set For Mercury Marine Engine, Sierra Part #18-8822-1

Sierra Spark Plug Wire Set For Mercury Marine Engine, Sierra Part...

Key Features
  • Sierra Part #18-8822-1

  • Spark plug wire set

  • For Mercury Marine engine

$74.99
Sierra Tune-Up Kit For GM Engine, Sierra Part #18-5270

Sierra Tune-Up Kit For GM Engine, Sierra Part #18-5270

Key Features
  • Sierra Part #18-5270

  • Tune-up kit

  • For GM engine

$74.99
Sierra Distributor Cap For Westerbeke Engine, Sierra Part #23-2703

Sierra Distributor Cap For Westerbeke Engine, Sierra Part #23-...

Key Features
  • Sierra Part #23-2703

  • Distributor cap

  • For Westerbeke engine

$99.99

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