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Parts Selection Guide

Find the parts you need

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Prop Selection Guide

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Mercruiser Tune Up Kit

Mercruiser Ignition Coils

Mercruiser Spark Plug Wires

Mercruiser Spark Plugs

Mercruiser Ignition Modules

Mercruiser Electronic Conversion Kits

Mercruiser Distributors

      Mercruiser Ignition System

      • Mercury - Mercruiser 808483T-3 Distributor Cap
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        Quicksilver 808483T-3 Distributor Cap

        $44.99
        $37.49

        Mercury - Mercruiser 808483T-3 Distributor Cap Fits GM V-8 engines with Delco HEI ignition, except MPI engines with ECM 555 Replaces: Aqua Power 3062 GLM 71400 Mallory 9-29411 Redline RL5354 Sierra 18-5354

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      • Mercury - Mercruiser 811635T-3 Distributor Cap
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        Quicksilver 811635T-3 Distributor Cap

        $16.19
        $13.49

        Mercury - Mercruiser 811635T-3 Distributor Cap Fits GM 4 cylinder engines with Delco EST ignition Replaces: GLM 71420 OMC 3854260 Sierra 18-5361 Volvo 3854260 Part of tune up kit 811635Q 2, 811635K 2

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      • Sierra 18-5469 Ignition Coil
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        Sierra 18-5469 Ignition Coil

        $107.99
        $75.49

        Hi-Performance 3.0 ohm Ignition Coil - 4 & 6 Cylinder Ignitions 3.0 Ohm (Oil Filled) black 4 & 6 cylinders, Flame Thrower 40,000 Volt Coil Designed for use with the original Ignitor Electronic Conversion Kits Can be use with other inductive ignition...

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      • Sierra 18-5108 Pick Up Coil Sensor Replaces 3854001
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        Sierra 18-5108 Pick Up Coil Sensor Replaces 3854001

        $35.99
        $27.49

        Sierra 18-5108 Pickup Coil Sensor for Mercruiser, Volvo, OMC 4, V-6, V-8 cyl. Sierra high-quality engine parts are designed to meet OEM specifications. Fits GM 4 Cyl., V-6 & V-8 engines with Delco HEI Ignition. Interchangeable...

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      • Sierra 18-5225 Spark Plug Wire Kit Replaces 84-813706A26
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        Sierra 18-5225 Spark Plug Wire Kit Replaces 84-813706A26

        $52.49
        $48.49

        Sierra 18-5225 Universal Spark Plug Wire Kit Sierra Spark Plug Wires are the highest quality marine wire sets available anywhere in the world. Spark Plug wires are constructed of Hypalon with a metallic core. Kit includes spark plug wire and 3 different...

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      • Sierra 18-5314 Contact Set Replaces 8M6001250
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        Sierra 18-5314 Contact Set Replaces 8M6001250

        $14.99
        $11.49

        Sierra 18-5314 Contact Set - Mallory Ignitions Sierra replacement contact set for Ford & GM Engines with Mallory Conventional Ignition. Pleasurecraft R114001 all Mallory thru 1987 Pleasurecraft R114004 for Mallory 1988 &...

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      • Sierra 18-5277 Tune Up Kit
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        Sierra 18-5277 Tune Up Kit

        $73.49
        $51.49

        Sierra 18-5277 Tune Up Kit - Prestolite V8 Single Point Clip Cap Sierra replacement tune up kit for Prestolite V-8 Single Point - Clip Cap engines. Kit Includes: (1) 18-5303 Contact Set (1) 18-5347 Condenser (1) 18-5369 Distributor Cap with...

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      • Sierra 18-5345 Condenser Replaces 8M6001218
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        Sierra 18-5345 Condenser Replaces 8M6001218

        $7.49
        $5.99

        Sierra 18-5345 Condenser - Prestolite Ignitions Sierra high-quality engine parts are designed to meet OEM specifications. For all Prestolite Ignition Fits GM 4 & 6 Cyl. Engines with Delco Conventional Ignition Interchangeable...

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      • Sierra 18-5472 Coil
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        Sierra 18-5472 Coil

        $103.99
        $78.99

        Sierra 18-5472 Hi-Performance Ignition Coil Super low 0.6 ohm resistance coil Designed for use with Ignitor II Hi-Performance Electronic Conversion Kits Compatible with capacitive discharge systems Oil filled for better cooling and long life Low...

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      • Sierra 18-5303 Contact Set Replaces 8M6001219
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        Sierra 18-5303 Contact Set Replaces 8M6001219

        $12.99
        $9.99

        Sierra 18-5303 Contact Set Sierra replacement contact set for all Prestolite engines. Fits Ford & GM 4, 6 & 8 Cylinder Engines with Prestolite Conventional Ignition. Interchangeable with: Chrysler...

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      • Sierra 18-5251 Tune Up Kit Replaces 0173619
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        Sierra 18-5251 Tune Up Kit Replaces 0173619

        $39.49
        $27.99

        Tune Up Kit - Mallory 8 Cylinder Tall Distributor Cap Kit Includes: Sie-18-5314 Contact Set Sie-18-5338 Condenser Sie-18-5404-1 Rotor   Replaces: OMC - 0173619 Mallory - 9-29301 GLM - 72620 Redline - RL5251  

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      • Sierra 18-5278 Tune Up Kit Replaces 850484T3
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        Sierra 18-5278 Tune Up Kit Replaces 850484T3

        $42.49
        $29.99

        Sierra 18-5278 Tune Up Kit Sierra replacement tune up kit for Delco EST V-6. Includes distributor cap and rotor Interchangeable with: CDI E66-0035 GLM 71820 Mallory 9-29321 Mercruiser Stern...

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      • Sierra 18-5246 Tune Up Kit Replaces 898253T28
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        Sierra 18-5246 Tune Up Kit Replaces 898253T28

        $111.49
        $77.99

        Sierra 18-5246 Tune Up Kit for Mercruiser V6 Sierra high-quality engine parts are designed to meet OEM specifications. For Late Model V-6, 4.3L (Alpha/Bravo) MPI Kit Contains: (1) 18-5245 Rotor (1) 18-5243 Distributor...

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      • Sierra 18-8809-1 Wiring Plug Set Replaces 84-816761Q8
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        Sierra 18-8809-1 Wiring Plug Set Replaces 84-816761Q8

        $75.99
        $52.99

        Sierra 18-8809-1 Mercruiser Spark Plug Wire Set For an inline 6 cyl. engine with conventional ignition system. Used on Mercruiser Stern Drives. Kit includes coil wire. Sierra aftermarket parts are manufactured to meet or exceed OEM requirements...

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      Mercruiser OEM Engine Parts Finder

      Mercruiser Ignition Tune Up

      The condition of your Mercruiser ignition system is critical to its performance. Over time your outboard’s electrical components can be effected by wear, corrosion or system leaks. A faulty ignition can scuttle a planned outing on the water, and possibly require an expensive repair. When your Mercruiser is hard to start or will not start, Wholesale Marine offers these suggestions for troubleshooting your ignition system. This procedure enables owners to fault trace if it requires a simple fix or a significant repair.

      When it’s Time to Tune Up Your Mercruiser Ignition System

      1)  First, check the obvious. Is there plenty of gas in the tank? Are all the fluids at the correct levels? Lastly, make sure all the wires are corrosion-free and connected properly. Try to start the engine. A quick fix may be all that it required.

      2)  If there is no start from the engine, a faulty or worn spark plug may be the culprit. Pull the plug and ensure that it is clean. If it is wet, this may be an indication of a bigger issue. If the plug is dry but discolored, it may have been the wrong type of plug for your motor. Check your owner’s manual and install the right plug.

      3)  If the plug is working disconnect the black/yellow wire from the engine to check the kill circuit. If the engine still does not start, the white/green and green/white stator wires need to be replaced. This will impact the engine starting cylinder. If the engine still will not start, the stator is bad and requires replacement.

      When it is time to troubleshoot or tune-up your Mercruiser ignition system, know that Wholesale Marine has everything you need. We offer a competitive pricing guarantee and most items flat rate ship the same day. Returns are stress free and we welcome your questions. Make us your one-stop boating shop! Join our Loyalty Program and use the points toward any future purchases. We’re here to take your call Monday through Friday from 9:00 AM until 6:00 PM EST at (877) 388-2628.