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Boating > Engine Parts > Tune up kits >

Boat engine parts. Alternators, manifolds, water pumps and more for your boat engine repair. Gander Mountain has the largest selection of boat engine parts available online. Our boat engine parts inventory also includes boat starters, outboard accessories and boat engine tune up kits. So, if it's a water pump, new starter or spark plugs for your boat engine, check out our selection first!

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Sierra MagForce Marine Spark Plug Wire Leads, Sierra Part #18-8839-1

New! Sierra MagForce Marine Spark Plug Wire Leads, Sierra Part #...

Key Features
  • Sierra Part #18-8839-1

  • MagForce Spark Plug Wire Set

  • Johnson/Evinrude (OMC/BRP) 90, 115 hp OBs

  • Two 14" plug wires

  • Two 16" plug wires

$34.99
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 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 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
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-8 engines with:

  • Thunderbolt IV ignition systems

$31.99
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
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 GM V-6 engines with:

  • Prestolite breaker point ignition systems

  • (screw-down cap)

$39.99
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 Ford and GM V-8 engines with:

  • Prestolite breaker point ignition systems

  • (screw-down cap)

$39.99
Electronic Conversion Kit GM 4-Cyl. Engines -Delco

Electronic Conversion Kit GM 4-Cyl. Engines -Delco

Key Features
  • Easily installed

  • Not affected by oil, heat, dirt, or moisture

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

  • Distributor cap and rotor not included

$129.99
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

$28.99
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 Wiring Harness For Mercury Marine Engine, Sierra Part #18-5511

Sierra Wiring Harness For Mercury Marine Engine, Sierra Part #18-...

Key Features
  • Sierra Part #18-5511

  • Wiring harness

  • For Mercury Marine engine

$279.99
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 Wiring/Plug Set For Mercury Marine Engine, Sierra Part #18-8828-1

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

Key Features
  • Sierra Part #18-8828-1

  • Wiring/plug set

  • For Mercury Marine engine

$84.99
Sierra Tuneup Kit For OMC/Mercruiser Engine, Sierra Part #18-5283

Sierra Tuneup Kit For OMC/Mercruiser Engine, Sierra Part #18-5283...

Key Features
  • Sierra Part #18-5283

  • Tuneup kit

  • For OMC/Mercruiser engine

$65.99
Sierra Distributor Cap For Mercury Marine/OMC/Volvo Engine, Sierra Part #18-5354

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

Key Features
  • Sierra Part #18-5354

  • Distributor cap

  • For Crusader/Mercury Marine/OMC/Volvo engine

$20.99
Sierra Wiring/Plug Set For OMC Engine, Sierra Part #18-8806-1

Sierra Wiring/Plug Set For OMC Engine, Sierra Part #18-8806-1

Key Features
  • Sierra Part #18-8806-1

  • Wiring/plug set

  • For OMC engine

$59.99
Sierra Wiring/Plug Set For Mercury Marine Engine, Sierra Part #18-8809-1

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

Key Features
  • Sierra Part #18-8809-1

  • Wiring/plug set

  • For Mercury Marine engine

$59.99
Sierra Universal Spark Plug Boot, Sierra Part #18-5750-9

Sierra Universal Spark Plug Boot, Sierra Part #18-5750-9

Key Features
  • Sierra Part #18-5750-9

  • Universal spark plug boot

$28.99
Sierra Spark Plug Wire, Sierra Part #18-5230-9-1D

Sierra Spark Plug Wire, Sierra Part #18-5230-9-1D

Key Features
  • Sierra Part #18-5230-9-1D

  • Spark plug wire

$44.99
Aqua Power Complete Performance Marine Tune-Up Kit

Aqua Power Complete Performance Marine Tune-Up Kit

Key Features
  • For 4-cylinder GM engines with:

  • Delco breaker point ignition system

$29.99
Electronic Conversion Kit Ford GM V-8 Engines - Prestolite Clip Cap

Electronic Conversion Kit Ford & GM V-8 Engines - Prestolite ...

Key Features
  • Easily installed

  • Not affected by oil, heat, dirt, or moisture

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

  • Distributor cap and rotor not included

$129.99
Sierra Wiring/Plug Set For Mercury Marine Engine, Sierra Part #18-8838-1

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

Key Features
  • Sierra Part #18-8838-1

  • Wiring/plug set

  • For Mercury Marine engine

$469.99
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 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
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

$44.99
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 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

$84.99
Sierra Wire/Spark Plug For OMC Engine, Sierra Part #18-8818-1

Sierra Wire/Spark Plug For OMC Engine, Sierra Part #18-8818-1

Key Features
  • Sierra Part #18-8818-1

  • Wire/spark plug

  • For OMC engine

$9.99
Sierra Tune-Up Kit For OMC Engine, Sierra Part #18-5002

Sierra Tune-Up Kit For OMC Engine, Sierra Part #18-5002

Key Features
  • Sierra Part #18-5002

  • Tune-up kit

  • Designed for OMC engine

$24.99
Sierra Wiring/Plug Set For Mercury Marine Engine, Sierra Part #18-8835-1

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

Key Features
  • Sierra Part #18-8835-1

  • Wiring/plug set

  • For Mercury Marine engine

$59.99

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