Mercury Outboard Ignition System

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Parts Selection Guide

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      • Champion RJ8C Spark Plug
        List Price: $2.96
        Now: $2.07

        Champion RJ8C Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion RJ8C Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These marine spark plugs...

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      • List Price: $2.57
        Starting At: $1.80

        Champion J4C Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion J4C Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These marine spark plugs...

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      • Sierra 18-5775 Switch Box Replaces 332-7778A12
        List Price: $213.99
        Starting At: $136.45

        Sierra 18-5775 Switch Box for Mercury, Mariner & Force Sierra replacement switch box for 3 & 6 cylinder outboards with ADI ignition systems. For Use On Engine Models: 50/60 (3 cyl.) 6428681 - D000749 65 4382057 - 4571651 Merc 70 4571652 -...

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      • Sierra 18-5224 Spark Plug Wire Terminal Replaces 20121
        List Price: $1.99
        Starting At: $1.18

        Sierra 18-5224 Spark Plug Wire Terminal Sierra high-quality spark plug wire terminal for use with Sierra 18-5225 Spark Plug Wire Kits and 18-5226 Ignition Wires. For Mercury Marine and OMC Stern Drives. Interchangeable...

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      • List Price: $4.37
        Now: $3.06

        Champion QL86C Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion QL86C Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These marine spark...

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      • Champion QL87YC Spark Plug
        List Price: $4.37
        Now: $3.06

        Champion QL87YC Marine Spark Plugs Champion marine spark plugs are quality OEM replacements. The Champion QL87YC Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These marine spark...

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      • Sierra 18-5743 Voltage Regulator Replaces 8M0084173
        List Price: $177.99
        Starting At: $124.49

        Mercury Voltage Regulator by Sierra For: Mercury Engines with 16amp to 40amp charging system. Model years 1992 to present. Additional Details: Note: Black wire (not shown) goes to engine ground Replaces: Mercury Marine 883072T, 8M0084173, 815279-5,...

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      • List Price: $2.57
        Starting At: $1.80

        Champion L82C Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion L82C Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These marine spark plugs...

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      • Sierra 18-5865 Stator Replaces 398-5704A7
        List Price: $208.99
        Starting At: $158.99

        Mercury Stator by Sierra For 50-70HP Replaces: Mercury - 398-5704A7, 398-5704A2, 398-5704A5 Mallory - 9-25506 Pro Marine - 5865  

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      • Sierra 18-5752 Universal Spark Plug Boot
        List Price: $5.99
        Starting At: $3.50

        Sierra 18-5752 Universal Spark Plug Boot Sierra high-quality engine parts are designed to meet OEM specifications. Fits Outboard universal applications Size: 8mm Interchangeable with: Mallory 9-28123

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      • Sierra 18-28086 Spark Plug Wire Set
        List Price: $84.49
        Starting At: $57.98

        Sierra 18-28086 Mercury Spark Plug Wire Set Sierra high-quality parts are designed to meet OEM specifications. Fits Mercury V6 EFI/DFI/DTS. 6 Wires Interchangeable with: Mallory 9-28086 Mercury...

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      • Sierra 18-4904 Starter Handle & Rope
        List Price: $9.99
        Starting At: $6.83

        Sierra 18-4904 Outboard Starter Rope and Handle Sierra high-quality engine parts are designed to meet OEM specifications. Rope Size: #4.5 (9/64") Includes 18-4901 Starter Handle

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      • Sierra 18-5870 Stator Replaces 398-832075A21
        List Price: $265.99
        Starting At: $199.43

        Stator for Mercury, Chrysler, Force For: 30-125HP Replacement For The 18-5873 & 18-5874 Kits Replaces: CDI 174-832075K2 Chrysler/Force/US Marine 398-832075A4, 398-9873A28 Mercury Marine 398-832075A21, 398-8320754A4, 398-9873A19, 398-9873A28 ...

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      • Sierra 18-5229-9-1 Wiring Plug Set (5Pk)
        List Price: $56.99
        Starting At: $40.50

        Spark Plug Wire 22" for Chrysler, Force, Johnson Evinrude, Mercury Mariner Key Features: Premium Silicone Jacketing and boots Kevlar core for maximum durability and a long life Corrosion resistant Additional Details: Copper Core Wire...

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      • List Price: $2.57
        Starting At: $1.80

        Champion L86C Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion L86C Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These marine spark plugs...

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      • Sierra 18-5854 Stator Replaces 398-5454A17
        List Price: $232.99
        Starting At: $162.99

        Mercury Stator by Sierra Note: Extra black lead goes to engine ground For Use On Engine Models: 90 HP S/N 2791957-3780849 115 HP S/N 5314656-Up   Replaces: Mercury 398-5454A8,398-5454A17 Mallory 9-25500 Pro Marine 5854 CDI 174-5456  

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      • Sierra 18-5881 Switch Box Replaces 332-5772A7
        List Price: $276.99
        Starting At: $193.99

        Switch Box for Mercury, Chrysler, Force For Use On Engine Models Mercury Outboards: 40 (4 cyl.) C159200 - G589999 45 1476510 - 1531958 75 (4 cyl.) 6432901 & UP 80 (4 cyl.) 4831999 - 5141096 80 (4 cyl.) 5141097 - 6432900 80 Jet D283222 - 6437999 85...

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      • List Price: $29.49
        Starting At: $22.45

        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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      • Champion QL6VC Spark Plug
        List Price: $9.02
        Starting At: $4.29

        Champion QL6VC Marine Spark Plugs Champion marine spark plugs are quality OEM replacements. The Champion QL6VC Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These marine...

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      Mercury Outboard Ignition Parts