Tune-Up Parts
Engine Maintenance
Marine Tune-Up Parts, Spark Plugs & Ignition Service
Shop spark plugs, tune-up kits, ignition service parts, outboard maintenance kits, and routine engine service items for marine gas and outboard engines.
Use Engine Details for Fitment
Tune-up parts are highly fitment-specific. Check make, model, horsepower, year, serial number, plug heat range, distributor type, and current part number before ordering.
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Mercury MerCruiser NGK Spark Plug ITR4A15 8M0204739 4-pack
Mercury MerCruiser / Quicksilver NGK Spark Plug – ITR4A15 (8M0204739) Maintain strong ignition performance with the genuine Mercury Marine / Qu...
View full detailsNGK ILKAR7G9 Laser Iridium Spark Plug | #97801 | Kawasaki & Honda 4-Stroke
Dual Precious Metal Spark Plug for Kawasaki and Honda 4-Stroke Engines.The NGK ILKAR7G9 is a laser iridium spark plug with a dual precious metal de...
View full detailsQuicksilver Prestolite Ignition Tune-Up Kit | MerCruiser Inboard & Sterndrive | 4-Cyl, V6, V8 | 392-6324Q1
Prestolite Ignition Tune-Up Kit for MerCruiser Inboard and Sterndrive Engines.The Quicksilver 392-6324Q1 is a complete ignition tune-up kit for Mer...
View full detailsNGK CR8EB Spark Plug | #7784 | 4-Pack | Kawasaki Jet Ski & Personal Watercraft
Compact Resistor Spark Plug for Personal Watercraft Engines — 4-Pack.The NGK CR8EB is a compact 10mm resistor spark plug designed for personal wate...
View full detailsSierra 9251 Outboard Maintenance Kit | Mercury 75–115 HP Optimax 1.5L 2-Stroke (S/N 1B227000+)
Everything You Need for a Full Mercury Optimax Service — One Kit.The Sierra 9251 Outboard Maintenance Kit is a complete, one-box service solution f...
View full detailsSierra 9253 Outboard Maintenance Kit | Mercury V6 Optimax 3.0L 2-Stroke (S/N 1B227000+, Non-Pro)
Complete Service Kit for Mercury V6 Optimax 3.0L 2-Stroke Outboards — One Box.The Sierra 9253 Outboard Maintenance Kit is a complete, one-box servi...
View full detailsSierra 9252 Outboard Maintenance Kit | Mercury V6 Optimax 2.5L 2-Stroke (S/N 1B227000+, Non-Pro)
Complete Service Kit for Mercury V6 Optimax 2.5L 2-Stroke Outboards — One Box.The Sierra 9252 Outboard Maintenance Kit is a complete, one-box servi...
View full detailsChampion J6C Marine Spark Plug | #823 | 4-Pack | Non-Resistor 2-Stroke Outboard
A Classic Non-Resistor Marine Spark Plug for 2-Stroke Outboards — 4-Pack.The Champion J6C is one of the most established marine spark plugs in the ...
View full detailsChampion RV15YC4 Spark Plug | #18 | 4-Pack | 4-Electrode Marine Inboard & Volvo Penta
Four-Electrode Resistor Spark Plug for High-Output Marine Inboard Engines — 4-Pack.The Champion RV15YC4 is a projected-tip, resistor-type spark plu...
View full detailsChampion RV8C Spark Plug | #121 | 4-Pack | Non-Resistor Marine Inboard & Volvo Penta
Non-Resistor Spark Plug for Volvo Penta and Marine Inboard Engines — 4-Pack.The Champion RV8C is a non-resistor marine spark plug designed for Volv...
View full detailsNGK LKR6E Laser Platinum Spark Plug | #92650 | 4-Pack | Honda & Kawasaki 4-Stroke
Laser Platinum Spark Plug for Honda and Kawasaki 4-Stroke Engines — 4-Pack.The NGK LKR6E is a laser platinum spark plug designed for Honda and Kawa...
View full detailsChampion RN12YC Spark Plug | #404 | 4-Pack | MerCruiser, Sterndrive & Marine Inboard
A Trusted Spark Plug for Marine Inboard and Sterndrive Engines — 4-Pack.The Champion RN12YC is a projected-tip, resistor-type spark plug widely use...
View full detailsChampion RA8HC Marine Spark Plug | #810 | 4-Pack | Short-Reach 2-Stroke Outboard
Short-Reach Non-Resistor Marine Spark Plug for 2-Stroke Outboards — 4-Pack.The Champion RA8HC is a short-reach, non-resistor marine spark plug desi...
View full detailsNGK DCPR6E Spark Plug | #3481 | 4-Pack | Honda & Yamaha 4-Stroke Outboard
Compact Resistor Spark Plug for Honda and Yamaha 4-Stroke Outboards — 4-Pack.The NGK DCPR6E is a projected-tip, resistor-type spark plug in NGK's D...
View full detailsChampion QL82YC Marine Spark Plug | #932M | 4-Pack | Long-Reach 2-Stroke Outboard
Long-Reach Resistor Marine Spark Plug for 2-Stroke Outboards — 4-Pack.The Champion QL82YC is a long-reach, projected-tip, resistor-type marine spar...
View full detailsNGK LFR7A Laser Platinum Spark Plug | #92038 | 4-Pack | Honda BF 4-Stroke Outboard
Laser Platinum Spark Plug for Honda BF 4-Stroke Outboards — 4-Pack.The NGK LFR7A is a laser platinum spark plug designed for Honda BF series 4-stro...
View full detailsChampion QL82C Marine Spark Plug | #931M | 4-Pack | Long-Reach 2-Stroke Outboard
Long-Reach Marine Spark Plug for 2-Stroke Outboards — 4-Pack.The Champion QL82C is a long-reach marine spark plug designed for 2-stroke outboard en...
View full detailsChampion RV12YC Spark Plug | #406 | 4-Pack | Volvo Penta & Marine Inboard
Projected-Tip Resistor Spark Plug for Volvo Penta and Marine Inboard Engines — 4-Pack.The Champion RV12YC is a projected-tip, resistor-type spark p...
View full detailsChampion RN9YC Spark Plug | #415 | 4-Pack | Marine Inboard & Sterndrive
Hotter Heat Range Spark Plug for Marine Inboard and Sterndrive Engines — 4-Pack.The Champion RN9YC is a projected-tip, resistor-type spark plug for...
View full detailsChampion QL78YC Marine Spark Plug | #938S Shop Pack | 24-Count | Long-Reach 4-Stroke Outboard
Stock Up for the Season — QL78YC in a 24-Count Shop Pack.The Champion #938S Shop Pack gives you 24 QL78YC marine spark plugs in a single purchase —...
View full detailsChampion QL78YC Marine Spark Plug | #938M | 4-Pack | Long-Reach 4-Stroke Outboard
Long-Reach Marine Spark Plug for 4-Stroke Outboards — 4-Pack.The Champion QL78YC is a long-reach, projected-tip marine spark plug designed for 4-st...
View full detailsChampion QL77JC4 Marine Spark Plug | #828S Shop Pack | 24-Count | Mercury 4-Stroke Outboard
Stock Up for the Season — QL77JC4 in a 24-Count Shop Pack.The Champion #828S Shop Pack gives you 24 QL77JC4 marine spark plugs in a single purchase...
View full detailsChampion RJ8C Marine Spark Plug | #871 | 8-Pack | Non-Resistor 2-Stroke Outboard
Non-Resistor Marine Spark Plug for 2-Stroke Outboards — 8-Pack.The Champion RJ8C is a standard-reach, non-resistor marine spark plug designed for 2...
View full detailsChampion L82YC Spark Plug | #328 | 4-Pack | Small Engine & Marine
A Versatile Small Engine Spark Plug — 4-Pack.The Champion L82YC is a projected-tip, resistor-type spark plug widely used in small 4-stroke engines ...
View full detailsCDI Electronics Mercury Stator | Replaces 1748778K1 | Mercury Outboard Ignition
Precision-Wound Replacement Stator for Mercury Outboards.This CDI Electronics replacement stator is engineered as a direct fit for Mercury outboard...
View full detailsChampion RJ14YC Spark Plug | #63 | 4-Pack | Small 4-Stroke Engine & Marine Auxiliary
A Versatile Resistor Spark Plug for Small 4-Stroke Engines — 4-Pack.The Champion RJ14YC is a projected-tip, resistor-type spark plug widely used in...
View full detailsCDI Electronics 8-Cylinder Spark Gap Tester | Adjustable, Enclosed, Ignition Diagnostic Tool
Diagnose Ignition Problems Before You Replace Parts.The CDI Electronics 8-Cylinder Spark Gap Tester is a professional-grade diagnostic tool for tes...
View full detailsChampion QL86C Marine Spark Plug | #933M | 4-Pack | Long-Reach 2-Stroke Outboard
Hotter Long-Reach Non-Resistor Marine Spark Plug for 2-Stroke Outboards — 4-Pack.The Champion QL86C is a long-reach, non-resistor marine spark plug...
View full detailsChampion L76V Marine Spark Plugs | #827M | 4-Pack | 2-Stroke Outboard
A Trusted 2-Stroke Marine Spark Plug — Sold in a Convenient 4-Pack.The Champion L76V is a time-tested marine spark plug designed for 2-stroke outbo...
View full detailsACDelco MR43LTS Marine Resistor Spark Plug | MerCruiser & GM Inboard
ACDelco Marine Resistor Spark Plug for MerCruiser & GM Inboard EnginesThe ACDelco MR43LTS is a marine-specific resistor spark plug designed for...
View full detailsChampion QL16V Marine Spark Plug | #876M | 4-Pack | Long-Reach 2-Stroke Outboard
Long-Reach Marine Spark Plug for 2-Stroke Outboards — 4-Pack.The Champion QL16V is a long-reach, projected-tip marine spark plug designed for 2-str...
View full detailsCDI Electronics 137-0005 Yamaha Pulser Coil | Outboard Ignition Trigger
CDI Electronics Replacement Pulser Coil for Yamaha OutboardsThe CDI Electronics 137-0005 is a direct-fit replacement pulser coil (also known as a t...
View full detailsACDelco 41-993 Iridium Spark Plug — 4-Pack | MerCruiser GM V6 Marine Engines
ACDelco Iridium Professional Spark Plugs for MerCruiser & GM V6 Marine EnginesThe ACDelco 41-993 Iridium Professional spark plug is the OEM-spe...
View full detailsACDelco 41-983 Dual Platinum Spark Plug — 8-Pack | GM V8 Marine Engines
ACDelco Dual Platinum Spark Plugs for GM V8 Marine EnginesThe ACDelco 41-983 Dual Platinum spark plug delivers reliable, long-life ignition perform...
View full detailsChampion L78V Marine Spark Plug | #833M | 4-Pack | 2-Stroke Outboard
Reliable Ignition for Marine 2-Stroke Engines — Hotter Heat Range.The Champion L78V is a marine-grade spark plug for 2-stroke outboard engines, sol...
View full detailsChampion QL77JC4 Marine Spark Plug | #828M | 4-Pack | Mercury 4-Stroke Outboard
The Standard Spark Plug for Mercury 4-Stroke Outboards — 4-Pack.The Champion QL77JC4 is one of the most widely specified marine spark plugs for Mer...
View full detailsCDI Electronics 113-3241 Johnson / Evinrude Power Pack | Outboard Ignition Module
CDI Electronics Replacement Power Pack for Johnson / Evinrude OutboardsThe CDI Electronics 113-3241 is a direct-fit replacement power pack (CDI mod...
View full detailsACDelco 411104 Iridium Spark Plug — 4-Pack | GM Marine Engines
ACDelco Iridium Professional Spark Plugs for GM-Based Marine EnginesThe ACDelco 411104 Iridium Professional spark plug delivers long-life, high-eff...
View full detailsACDelco MR43T Marine Resistor Spark Plug | GM Inboard & Sterndrive
ACDelco Marine Resistor Spark Plug for GM Inboard & Sterndrive EnginesThe ACDelco MR43T is a marine-specific resistor spark plug for GM-based i...
View full detailsArco IG013 Ignition Coil — MerCruiser / OMC / Volvo Penta / Crusader Inboard
OEM-Grade Ignition Coil for MerCruiser, OMC, Volvo Penta & Crusader InboardsThe Arco IG013 is one of the most versatile inboard ignition coils ...
View full detailsArco IG006 Ignition Coil — Volvo Penta 8.1L Inboard (Early Style)
OEM-Grade Ignition Coil for Volvo Penta 8.1L Inboard EnginesThe Arco IG006 is a direct-fit replacement ignition coil engineered for early-style Vol...
View full detailsArco IG004 Ignition Coil — Johnson / Evinrude Outboard 2.5–175HP
OEM-Grade Ignition Coil for Johnson / Evinrude OutboardsThe Arco IG004 is a direct-fit replacement ignition coil for Johnson and Evinrude outboard ...
View full detailsACDelco 411014 Iridium Spark Plug — 4-Pack | GM Marine Engines
ACDelco Iridium Professional Spark Plugs for GM-Based Marine EnginesThe ACDelco 411014 Iridium Professional spark plug delivers long-life, high-eff...
View full detailsArco IG007 Ignition Coil — OMC / Volvo Penta Inboard Sterndrive
OEM-Grade Ignition Coil for OMC and Volvo Penta Inboard / Sterndrive EnginesThe Arco IG007 is a direct-fit replacement ignition coil for OMC inboar...
View full detailsArco IG011 Ignition Coil — Mercury DFI / EFI Outboard, SCI Racing & QC4V Sterndrive
OEM-Grade Ignition Coil for Mercury DFI/EFI Outboards and Performance SterndrivesThe Arco IG011 is one of the broadest-coverage Mercury ignition co...
View full detailsArco IG012 Ignition Coil — Mercury Outboard 135–300HP (1998–2006)
OEM-Grade Ignition Coil for Mercury High-Output OutboardsThe Arco IG012 is a direct-fit replacement ignition coil engineered for Mercury high-outpu...
View full detailsArco IG009 Ignition Coil — Honda Outboard 135 / 150HP (2004–2007)
OEM-Grade Ignition Coil for Honda Outboard EnginesThe Arco IG009 is a direct-fit replacement ignition coil engineered for Honda four-stroke outboar...
View full detailsArco IG001 Ignition Sensor — MerCruiser Thunderbolt IV & V GM V6 / V8
OEM-Grade Ignition Sensor for MerCruiser Thunderbolt IV & V SystemsThe Arco IG001 is a direct-fit replacement ignition sensor (trigger module) ...
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