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Over 50 years of Trusted Marine Service

Tune-Up Parts

Marine tune-up parts and service items for ignition maintenance and routine engine care.

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Champion Spark Plugs, RS12YC, #401, 4/pk Sold out

Champion Spark Plugs, RS12YC, #401, 4/pk

$9.99
$9.99 - $9.99
$9.99
$8.79
$8.79 - $8.79
$8.79
Sold out

Sold in standard packs only

$9.99
$9.99 - $9.99
$9.99
$8.79
$8.79 - $8.79
$8.79
Sold out
Champion Spark Plugs, QL77CC, #941M 4/Pack Save 12% Save %

Champion Spark Plugs, QL77CC, #941M 4/Pack

$9.99
$9.99 - $9.99
$9.99
$8.79
$8.79 - $8.79
$8.79
Available

Sold in standard packs only

$9.99
$9.99 - $9.99
$9.99
$8.79
$8.79 - $8.79
$8.79
Save 12% Save %
Champion Spark Plugs, QC12PEPB, #7953 4/Pack Save 10% Save %

Champion Spark Plugs, QC12PEPB, #7953 4/Pack

$25.49
$25.49 - $25.49
$25.49
$22.94
$22.94 - $22.94
$22.94
Available

Sold in standard packs only

$25.49
$25.49 - $25.49
$25.49
$22.94
$22.94 - $22.94
$22.94
Save 10% Save %

Yamaha Spark Plug Cap Assembly - 663-82370-01-00

$20.87 - $20.87
$20.87
$20.87 - $20.87
$20.87
3 in stock

Yamaha Spark Plug Cap AssemblyKeep your outboard's ignition system firing cleanly with this OEM Yamaha Spark Plug Cap Assembly (Part No. 663-82370-...

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$20.87 - $20.87
$20.87
$20.87 - $20.87
$20.87
Sierra 9250 Outboard Maintenance Kit - Mercury 350-400 HP, 6-Cylinder, 4-Stroke Verado O/B's, Fits with S/N's 2B141617 and up
Save 12% Save %

Sierra 9250 Outboard Maintenance Kit - Mercury 350-400 HP, 6-Cylinder, 4-Stroke Verado O/B's, Fits with S/N's 2B141617 and up

$1,104.29
$1,104.29 - $1,104.29
$1,104.29
$971.78
$971.78 - $971.78
$971.78
Available

Designed to provide a one-box solution ensuring best performance and reliability. Each time-saving kit includes everything needed for regular maint...

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$1,104.29
$1,104.29 - $1,104.29
$1,104.29
$971.78
$971.78 - $971.78
$971.78
Save 12% Save %
Sierra 9244 Outboard Maintenance Kit - Mercury 75, 90, and 115 HP, 3-cylinder, 4-stroke O/B's, Fits with S/N's 2B094996 and up
Save 12% Save %

Sierra 9244 Outboard Maintenance Kit - Mercury 75, 90, and 115 HP, 3-cylinder, 4-stroke O/B's, Fits with S/N's 2B094996 and up

$634.79
$634.79 - $634.79
$634.79
$558.62
$558.62 - $558.62
$558.62
Available

Designed to provide a one-box solution to maintain the most popular Mercury outboard engine models ensuring best performance and reliability. Each ...

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$634.79
$634.79 - $634.79
$634.79
$558.62
$558.62 - $558.62
$558.62
Save 12% Save %
Sierra 9243 Outboard Maintenance Kit - Mercury 75, 90, and 115 HP, 3-cylinder, 4-stroke O/B's, Fits with S/N's 1B366823 to 2B094995
Save 12% Save %

Sierra 9243 Outboard Maintenance Kit - Mercury 75, 90, and 115 HP, 3-cylinder, 4-stroke O/B's, Fits with S/N's 1B366823 to 2B094995

$700.99
$700.99 - $700.99
$700.99
$616.87
$616.87 - $616.87
$616.87
Available

Designed to provide a one-box solution to maintain the most popular Mercury outboard engine models ensuring best performance and reliability. Each ...

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$700.99
$700.99 - $700.99
$700.99
$616.87
$616.87 - $616.87
$616.87
Save 12% Save %
Sierra 9240 Outboard Maintenance Kit - Mercury 40 HP, 3-cylinder, 4-stroke O/B's, Fits with S/N's 1C049739 and up
Save 12% Save %

Sierra 9240 Outboard Maintenance Kit - Mercury 40 HP, 3-cylinder, 4-stroke O/B's, Fits with S/N's 1C049739 and up

$641.69
$641.69 - $641.69
$641.69
$564.69
$564.69 - $564.69
$564.69
Available

Designed to provide a one-box solution to maintain the most popular Mercury outboard engine models ensuring best performance and reliability. Each ...

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$641.69
$641.69 - $641.69
$641.69
$564.69
$564.69 - $564.69
$564.69
Save 12% Save %
Save 10% Save %

Quicksilver Inboard & Stern Drive Tune-Up Kit – Prestolite Ignition – 6324Q1

$50.77
$50.77 - $50.77
$50.77
$45.69
$45.69 - $45.69
$45.69
Available

Keep your inboard or stern drive engine running at peak performance with this Quicksilver tune-up kit, engineered specifically for Prestolite distr...

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$50.77
$50.77 - $50.77
$50.77
$45.69
$45.69 - $45.69
$45.69
Save 10% Save %

NGK Spark Plug CR6HSB

$5.59 - $5.59
$5.59
$5.59 - $5.59
$5.59
1 in stock

The NGK CR6HSB is a resistor-type spark plug for compatible small-engine and marine ignition applications. It is used where the engine manufacturer...

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$5.59 - $5.59
$5.59
$5.59 - $5.59
$5.59

Sierra V8 Marine Spark Plug Wire Set - 18-8820-1

$174.98 - $174.98
$174.98
$174.98 - $174.98
$174.98
1 in stock

The Sierra 18-8820-1 is a premium marine 8-cylinder spark plug wire set for select V8 sterndrive and inboard engines using compatible electronic ig...

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$174.98 - $174.98
$174.98
$174.98 - $174.98
$174.98

Sierra MagForce 4-Cylinder MerCruiser 470 Spark Plug Wire Set - 18-8808-2

$121.26 - $121.26
$121.26
$121.26 - $121.26
$121.26
1 in stock

The Sierra 18-8808-2 is a MagForce premium marine 4-cylinder spark plug wire set for select vintage MerCruiser inline-4 sterndrive engines using co...

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$121.26 - $121.26
$121.26
$121.26 - $121.26
$121.26
DIST.TUNE-UP KIT (AP-1007)

DIST.TUNE-UP KIT (AP-1007)

$63.53 - $63.53
$63.53
$63.53 - $63.53
$63.53
2 in stock

DIST.TUNE-UP KIT (AP-1007)

$63.53 - $63.53
$63.53
$63.53 - $63.53
$63.53
Save 16% Save %

NGK SPARK PLUG NGK-YR5

$7.24
$7.24 - $7.24
$7.24
$6.05
$6.05 - $6.05
$6.05
8 in stock

The NGK YR5 is a genuine NGK V-Power resistor spark plug, also identified by stock number 7052. It is designed to deliver reliable ignition perform...

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$7.24
$7.24 - $7.24
$7.24
$6.05
$6.05 - $6.05
$6.05
Save 16% Save %
Save 17% Save %

NGK Iridium IX Spark Plug - TR55IX

$22.00
$22.00 - $22.00
$22.00
$18.37
$18.37 - $18.37
$18.37
8 in stock

The NGK TR55IX is an Iridium IX spark plug used in select automotive, marine, performance, and equipment applications where the engine manufacturer...

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$22.00
$22.00 - $22.00
$22.00
$18.37
$18.37 - $18.37
$18.37
Save 17% Save %
Save 16% Save %

NGK V-Power Spark Plug - TR5

$7.24
$7.24 - $7.24
$7.24
$6.05
$6.05 - $6.05
$6.05
4 in stock

The NGK TR5 is a V-Power nickel spark plug used in select automotive, marine, powersports, and equipment applications where the engine manufacturer...

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$7.24
$7.24 - $7.24
$7.24
$6.05
$6.05 - $6.05
$6.05
Save 16% Save %
Save 16% Save %

NGK Spark Plug LFR6A-11

$19.04
$19.04 - $19.04
$19.04
$15.90
$15.90 - $15.90
$15.90
10 in stock

The NGK LFR6A-11 Spark Plug is a genuine NGK V-Power resistor spark plug, also referenced by stock number 3672. It is designed to deliver reliable ...

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$19.04
$19.04 - $19.04
$19.04
$15.90
$15.90 - $15.90
$15.90
Save 16% Save %
Save 16% Save %

NGK Spark Plug - DPR6EA-9

$7.78
$7.78 - $7.78
$7.78
$6.50
$6.50 - $6.50
$6.50
2 in stock

The NGK DPR6EA-9 is a standard copper-core nickel spark plug used in select marine outboards, motorcycles, ATVs, utility vehicles, and small-engine...

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$7.78
$7.78 - $7.78
$7.78
$6.50
$6.50 - $6.50
$6.50
Save 16% Save %
Save 16% Save %

NGK Spark Plug - DCPR6E

$9.90
$9.90 - $9.90
$9.90
$8.27
$8.27 - $8.27
$8.27
2 in stock

The NGK DCPR6E is a standard copper-core nickel spark plug used in select small marine outboards, motorcycles, snowmobiles, ATVs, and powersports a...

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$9.90
$9.90 - $9.90
$9.90
$8.27
$8.27 - $8.27
$8.27
Save 16% Save %
Sold out

NGK CR5HSB Spark Plug — 10mm, Heat Range 5, Resistor (NGK 6535)

$6.21 - $6.21
$6.21
$6.21 - $6.21
$6.21
Sold out

Genuine NGK CR5HSB Spark PlugThe NGK CR5HSB (NGK 6535) is a genuine NGK standard copper-core nickel spark plug for select portable generators, smal...

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$6.21 - $6.21
$6.21
$6.21 - $6.21
$6.21
Sold out
Save 17% Save %

NGK Spark Plug - CR5EH-9

$24.34
$24.34 - $24.34
$24.34
$20.32
$20.32 - $20.32
$20.32
2 in stock

The NGK CR5EH-9 is a standard copper-core nickel spark plug used in select small four-stroke marine outboards, utility engines, generators, pumps, ...

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$24.34
$24.34 - $24.34
$24.34
$20.32
$20.32 - $20.32
$20.32
Save 17% Save %
Save 17% Save %

NGK BR6FS Spark Plug #4323

$6.76
$6.76 - $6.76
$6.76
$5.64
$5.64 - $5.64
$5.64
2 in stock

The NGK BR6FS is a resistor-equipped marine spark plug engineered for dependable ignition performance in classic carbureted and early electronic-ig...

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$6.76
$6.76 - $6.76
$6.76
$5.64
$5.64 - $5.64
$5.64
Save 17% Save %
Save 17% Save %

NGK Spark Plug - BR6ES

$7.44
$7.44 - $7.44
$7.44
$6.21
$6.21 - $6.21
$6.21
1 in stock

The NGK BR6ES is a standard copper-core nickel spark plug used in select marine outboards, motorcycles, ATVs, small engines, and utility equipment ...

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$7.44
$7.44 - $7.44
$7.44
$6.21
$6.21 - $6.21
$6.21
Save 17% Save %
Save 16% Save %

NGK Spark Plug - BPR6EFS 3523

$7.10
$7.10 - $7.10
$7.10
$5.93
$5.93 - $5.93
$5.93
6 in stock

The NGK BPR6EFS is a resistor, projected-tip spark plug used in marine gasoline engines that specifically call for this plug style. The important s...

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$7.10
$7.10 - $7.10
$7.10
$5.93
$5.93 - $5.93
$5.93
Save 16% Save %

NGK Spark Plug - DR7EA

$6.50 - $6.50
$6.50
$6.50 - $6.50
$6.50
4 in stock

The NGK DR7EA is a standard resistor spark plug used in select motorcycles, ATVs, scooters, utility engines, and specialty small-engine application...

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$6.50 - $6.50
$6.50
$6.50 - $6.50
$6.50

Volvo Penta Spark Plug Kit 21513423 | OEM Gasoline Engine Ignition Kit

$150.00 - $150.00
$150.00
$150.00 - $150.00
$150.00
2 in stock

Volvo Penta Spark Plug Kit — Part #21513423 This is the genuine OEM spark plug kit for Volvo Penta 4.3L and 5.0L GXi/OSi gasoline marine engines. ...

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$150.00 - $150.00
$150.00
$150.00 - $150.00
$150.00

PCM Ford Marine Engine Tune-Up Kit RP173024

$48.22 - $48.22
$48.22
$48.22 - $48.22
$48.22
2 in stock

PCM RP173024 is a genuine OEM Pleasurecraft Marine tune-up kit for Ford 302 and 351 marine engines, 1986 and earlier, using the Prestolite clip-dow...

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$48.22 - $48.22
$48.22
$48.22 - $48.22
$48.22

PCM Spark Plug RP030007

$42.64 - $42.64
$42.64
$42.64 - $42.64
$42.64
8 in stock

Ensure reliable ignition and proper engine performance with the PCM Spark Plug RP030007. This genuine Pleasurecraft Marine (PCM) OEM spark plug kit...

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$42.64 - $42.64
$42.64
$42.64 - $42.64
$42.64

NGK Spark Plug - BPR4ES

$5.49 - $5.49
$5.49
$5.49 - $5.49
$5.49
4 in stock

The NGK BPR4ES is a standard copper-core nickel spark plug used in select small engines, utility equipment, ATVs, powersports applications, and out...

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$5.49 - $5.49
$5.49
$5.49 - $5.49
$5.49

Mercury MerCruiser NGK Spark Plug ITR4A15 8M0204739 4-pack

$33.07 - $33.07
$33.07
$33.07
$33.07 - $33.07
$33.07
10 in stock

Mercury MerCruiser / Quicksilver NGK Spark Plug – ITR4A15 (8M0204739) Maintain strong ignition performance with the genuine Mercury Marine / Qu...

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$33.07 - $33.07
$33.07
$33.07
$33.07 - $33.07
$33.07

Mercury Spark Plug QL77JC4 896329828

$17.63 - $17.63
$17.63
$17.63 - $17.63
$17.63
2 in stock

Restore proper ignition performance and reliable engine starting with the Mercury Spark Plug QL77JC4 – 896329828. This genuine Mercury Marine OEM s...

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$17.63 - $17.63
$17.63
$17.63 - $17.63
$17.63

Quicksilver NGK Iridium Spark Plug Set 4-Pack (889246Q39)

$46.32 - $46.32
$46.32
$46.32 - $46.32
$46.32
8 in stock

The Quicksilver 889246Q39 Spark Plug Set includes four NGK Laser Iridium spark plugs for Mercury applications that call for this exact part number....

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$46.32 - $46.32
$46.32
$46.32 - $46.32
$46.32

Mercury MerCruiser Spark Plug AC 41-993 884019001 (Superseded to 8M0204739)

$19.42 - $19.42
$19.42
$19.42 - $19.42
$19.42
2 in stock

Mercury MerCruiser Spark Plug — AC 41-993 / 884019001 Field Detail Part Number 884019001 / 33-884019001 Original Plug ACDelco AC 41-993 Br...

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$19.42 - $19.42
$19.42
$19.42 - $19.42
$19.42

Mercury MerCruiser Spark Plug Wire Set 863656A1

$229.99 - $229.99
$229.99
$229.99
$229.99 - $229.99
$229.99
2 in stock

Mercury / MerCruiser Quicksilver Spark Plug Wire Set — 863656A1 The Mercury Quicksilver 863656A1 Spark Plug Wire Set is a genuine OEM ignition wir...

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$229.99 - $229.99
$229.99
$229.99
$229.99 - $229.99
$229.99

NGK Spark Plug - BR6HS

$6.79 - $6.79
$6.79
$6.79 - $6.79
$6.79
2 in stock

The NGK BR6HS is a standard resistor spark plug used in select marine outboards, powersports engines, small engines, vintage vehicles, and utility ...

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$6.79 - $6.79
$6.79
$6.79 - $6.79
$6.79

NGK — BPR6EFS Standard Marine Spark Plug — 901421

$7.99 - $7.99
$7.99
$7.99 - $7.99
$7.99
8 in stock

NGK BPR6EFS Standard Marine Spark Plug — Stock No. 3623The NGK BPR6EFS is a standard marine spark plug for verified gasoline inboard and sterndrive...

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$7.99 - $7.99
$7.99
$7.99 - $7.99
$7.99

NGK Iridium IX Spark Plug - BPR5EIX

$20.86 - $20.86
$20.86
$20.86 - $20.86
$20.86
2 in stock

The NGK BPR5EIX is an Iridium IX spark plug designed as a premium replacement for engines that specify the BPR5EIX / NGK 95525 plug profile. It use...

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$20.86 - $20.86
$20.86
$20.86 - $20.86
$20.86

NGK V-Power Spark Plug - LFR5A-11

$16.84 - $16.84
$16.84
$16.84 - $16.84
$16.84
5 in stock

The NGK LFR5A-11 is a V-Power nickel spark plug used in select marine four-stroke outboards, personal watercraft, small engines, and automotive app...

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$16.84 - $16.84
$16.84
$16.84 - $16.84
$16.84