Skip to content
Celebrating over 50 years of Trusted Marine Service
Over 50 years of Trusted Marine Service

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.

Browse Products Engine Parts & Maintenance Ask Parts Desk
Spark PlugsNGK, Champion, OEM, and application-specific marine plugs. Tune-Up KitsCap, rotor, points, condenser, wire, and ignition service kits. Ignition PartsCoils, modules, caps, rotors, wires, and related engine electrical parts. Maintenance KitsRoutine service kits for outboards, sterndrives, and inboard engines. Oil FiltersSpin-on and element filters for routine oil service. ImpellersRaw-water pump impellers and cooling service parts.

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.

MerCruiser Mercury NGK Sierra

Filters

Premium Marine Spark Plug Wire, 9"

Premium Marine Spark Plug Wire, 9"

$48.19 - $48.19
$48.19
$48.19 - $48.19
$48.19
Item locally warehoused

Magnetic Suppression Core manufactured for your specific application. Kevlar® core for maximum durability and long life Durable stainless steel wo...

View full details
$48.19 - $48.19
$48.19
$48.19 - $48.19
$48.19
Sierra Mercury/Mariner Ignition Plug Wire Set

Sierra Mercury/Mariner Ignition Plug Wire Set

$129.69 - $129.69
$129.69
$129.69 - $129.69
$129.69
Item locally warehoused

See Sierra catalog for complete application information.

$129.69 - $129.69
$129.69
$129.69 - $129.69
$129.69
Tune-Up Kit W/Cap Mallory Stac

Tune-Up Kit W/Cap Mallory Stac

$107.79 - $107.79
$107.79
$107.79 - $107.79
$107.79
Item locally warehoused

Contains: Contact set, condenser and rotor and distributor cap.

$107.79 - $107.79
$107.79
$107.79 - $107.79
$107.79
Ignition Coil

Ignition Coil

$107.89 - $107.89
$107.89
$107.89 - $107.89
$107.89
Item locally warehoused

Please see Sierra's application guides for complete application references.

$107.89 - $107.89
$107.89
$107.89 - $107.89
$107.89
Ignition Wire Set

Ignition Wire Set

$103.69 - $103.69
$103.69
$103.69 - $103.69
$103.69
Item locally warehoused

See Sierra catalog for complete application information.

$103.69 - $103.69
$103.69
$103.69 - $103.69
$103.69
Tune Up Kit Gm

Tune Up Kit Gm

$83.39 - $83.39
$83.39
$83.39 - $83.39
$83.39
Item locally warehoused

Contains: Contact set, condenser, distributor cap and rotor.

$83.39 - $83.39
$83.39
$83.39 - $83.39
$83.39
NGK Spark Plugs, LMAR6C9 #1679, 10/pk

NGK Spark Plugs, LMAR6C9 #1679, 10/pk

$30.19 - $30.19
$30.19
$30.19 - $30.19
$30.19
Item locally warehoused

Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive...

View full details
$30.19 - $30.19
$30.19
$30.19 - $30.19
$30.19
Sierra Mercury/Mariner Ignition Plug Wire Set

Sierra Mercury/Mariner Ignition Plug Wire Set

$39.49 - $39.49
$39.49
$39.49 - $39.49
$39.49
Item locally warehoused

See Sierra catalog for complete application information.

$39.49 - $39.49
$39.49
$39.49 - $39.49
$39.49
Tune-Up Kit-Mercruiser

Tune-Up Kit-Mercruiser

$174.89 - $174.89
$174.89
$174.89 - $174.89
$174.89
Item locally warehoused

Replaces: 898253T29.For: Late model V-8 (Alpha/Bravo 350 Mag, 5.0L, & MX 6.2L)

$174.89 - $174.89
$174.89
$174.89 - $174.89
$174.89
NGK Spark Plugs, DPR7EA9 #5129, 10/pk

NGK Spark Plugs, DPR7EA9 #5129, 10/pk

$13.09 - $13.09
$13.09
$13.09 - $13.09
$13.09
Item locally warehoused

Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive...

View full details
$13.09 - $13.09
$13.09
$13.09 - $13.09
$13.09
NGK Spark Plugs, DR5HS #4623, 10/pk

NGK Spark Plugs, DR5HS #4623, 10/pk

$11.59 - $11.59
$11.59
$11.59 - $11.59
$11.59
Item locally warehoused

Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive...

View full details
$11.59 - $11.59
$11.59
$11.59 - $11.59
$11.59
Ignition Wire Separator Set-Black

Ignition Wire Separator Set-Black

$15.09 - $15.09
$15.09
$15.09 - $15.09
$15.09
Item locally warehoused

Wire Separator-Black

$15.09 - $15.09
$15.09
$15.09 - $15.09
$15.09
NGK Spark Plugs, DR6HS #4823, 10/pk

NGK Spark Plugs, DR6HS #4823, 10/pk

$9.39 - $9.39
$9.39
$9.39 - $9.39
$9.39
Item locally warehoused

Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive...

View full details
$9.39 - $9.39
$9.39
$9.39 - $9.39
$9.39
Ignition Coil

Ignition Coil

$59.39 - $59.39
$59.39
$59.39 - $59.39
$59.39
Item locally warehoused

Please see Sierra's application guides for complete application references.

$59.39 - $59.39
$59.39
$59.39 - $59.39
$59.39
Sierra Coil Lead

Sierra Coil Lead

$32.29 - $32.29
$32.29
$32.29 - $32.29
$32.29
Item locally warehoused

Coil Lead

$32.29 - $32.29
$32.29
$32.29 - $32.29
$32.29
NGK Spark Plugs, ZFR6K #92566, 4/pk

NGK Spark Plugs, ZFR6K #92566, 4/pk

$18.79 - $18.79
$18.79
$18.79 - $18.79
$18.79
Item locally warehoused

Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive...

View full details
$18.79 - $18.79
$18.79
$18.79 - $18.79
$18.79
NGK V-Power Spark Plugs, ZFR7F #5913 10/Pk

NGK V-Power Spark Plugs, ZFR7F #5913 10/Pk

$11.39 - $11.39
$11.39
$11.39 - $11.39
$11.39
Item locally warehoused

V-Power plugs offer economical performance and improved ignitability over nickel spark plugs. OEM and racer approved. Lowers ignition system voltag...

View full details
$11.39 - $11.39
$11.39
$11.39 - $11.39
$11.39
NGK Spark Plugs, DPR8EA9 #4929, 10/pk

NGK Spark Plugs, DPR8EA9 #4929, 10/pk

$12.79 - $12.79
$12.79
$12.79 - $12.79
$12.79
Item locally warehoused

Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive...

View full details
$12.79 - $12.79
$12.79
$12.79 - $12.79
$12.79
NGK Spark Plugs, DR4HS #3326, 10/pk

NGK Spark Plugs, DR4HS #3326, 10/pk

$11.59 - $11.59
$11.59
$11.59 - $11.59
$11.59
Item locally warehoused

Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive...

View full details
$11.59 - $11.59
$11.59
$11.59 - $11.59
$11.59
NGK V-Power Spark Plugs, LFR6A11BLYB #90537 6/Pack

NGK V-Power Spark Plugs, LFR6A11BLYB #90537 6/Pack

$25.59 - $25.59
$25.59
$25.59 - $25.59
$25.59
Item locally warehoused

V-Power plugs offer economical performance and improved ignitability over nickel spark plugs. OEM and racer approved. Lowers ignition system voltag...

View full details
$25.59 - $25.59
$25.59
$25.59 - $25.59
$25.59
NGK Spark Plugs, #93961 LKAR7C9, 4/pk

NGK Spark Plugs, #93961 LKAR7C9, 4/pk

$26.69 - $26.69
$26.69
$26.69 - $26.69
$26.69
Item locally warehoused

Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive...

View full details
$26.69 - $26.69
$26.69
$26.69 - $26.69
$26.69
NGK Spark Plugs, DPR6EB9 #3108, 10/pk

NGK Spark Plugs, DPR6EB9 #3108, 10/pk

$11.59 - $11.59
$11.59
$11.59 - $11.59
$11.59
Item locally warehoused

Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive...

View full details
$11.59 - $11.59
$11.59
$11.59 - $11.59
$11.59
NGK V-Power Spark Plugs, ZFR4F11 #4043 4/Pack

NGK V-Power Spark Plugs, ZFR4F11 #4043 4/Pack

$12.99 - $12.99
$12.99
$12.99 - $12.99
$12.99
Item locally warehoused

V-Power plugs offer economical performance and improved ignitability over nickel spark plugs. OEM and racer approved. Lowers ignition system voltag...

View full details
$12.99 - $12.99
$12.99
$12.99 - $12.99
$12.99

NGK Iridium IX Spark Plugs, DCPR8EIX #6546 4/Pack

$33.27 - $33.27
$33.27
$33.27 - $33.27
$33.27
Item locally warehoused

Designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling...

View full details
$33.27 - $33.27
$33.27
$33.27 - $33.27
$33.27
NGK Spark Plugs, LKR6E9N #90410, 4/pk

NGK Spark Plugs, LKR6E9N #90410, 4/pk

$25.29 - $25.29
$25.29
$25.29 - $25.29
$25.29
Item locally warehoused

Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive...

View full details
$25.29 - $25.29
$25.29
$25.29 - $25.29
$25.29
NGK Spark Plugs, DPR5EA9 #2887, 10/pk

NGK Spark Plugs, DPR5EA9 #2887, 10/pk

$13.09 - $13.09
$13.09
$13.09 - $13.09
$13.09
Item locally warehoused

Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive...

View full details
$13.09 - $13.09
$13.09
$13.09 - $13.09
$13.09
NGK V-Power Spark Plugs, UR5 #2771 4/Pack

NGK V-Power Spark Plugs, UR5 #2771 4/Pack

$11.79 - $11.79
$11.79
$11.79 - $11.79
$11.79
Item locally warehoused

V-Power plugs offer economical performance and improved ignitability over nickel spark plugs. OEM and racer approved. Lowers ignition system voltag...

View full details
$11.79 - $11.79
$11.79
$11.79 - $11.79
$11.79
NGK Spark Plugs, KR9EG #93226, 4/pk

NGK Spark Plugs, KR9EG #93226, 4/pk

$25.09 - $25.09
$25.09
$25.09 - $25.09
$25.09
Item locally warehoused

Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive...

View full details
$25.09 - $25.09
$25.09
$25.09 - $25.09
$25.09
NGK Spark Plugs, DPR6EA9 #5531, 10/pk

NGK Spark Plugs, DPR6EA9 #5531, 10/pk

$13.09 - $13.09
$13.09
$13.09 - $13.09
$13.09
Item locally warehoused

Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive...

View full details
$13.09 - $13.09
$13.09
$13.09 - $13.09
$13.09
NGK Spark Plugs, ZFR5F #7558, 4/pk

NGK Spark Plugs, ZFR5F #7558, 4/pk

$14.49 - $14.49
$14.49
$14.49 - $14.49
$14.49
Item locally warehoused

Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive...

View full details
$14.49 - $14.49
$14.49
$14.49 - $14.49
$14.49
NGK V-Power Spark Plugs, YR5 #7052 4/Pack

NGK V-Power Spark Plugs, YR5 #7052 4/Pack

$11.79 - $11.79
$11.79
$11.79 - $11.79
$11.79
Item locally warehoused

V-Power plugs offer economical performance and improved ignitability over nickel spark plugs. OEM and racer approved. Lowers ignition system voltag...

View full details
$11.79 - $11.79
$11.79
$11.79 - $11.79
$11.79
NGK Spark Plugs, ZFR6K, 4/pk

NGK Spark Plugs, ZFR6K, 4/pk

$17.79 - $17.79
$17.79
$17.79 - $17.79
$17.79
Item locally warehoused

Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive...

View full details
$17.79 - $17.79
$17.79
$17.79 - $17.79
$17.79
NGK V-Power Spark Plugs, ZFR5F11 #2262 4/Pack

NGK V-Power Spark Plugs, ZFR5F11 #2262 4/Pack

$13.49 - $13.49
$13.49
$13.49 - $13.49
$13.49
Item locally warehoused

V-Power plugs offer economical performance and improved ignitability over nickel spark plugs. OEM and racer approved. Lowers ignition system voltag...

View full details
$13.49 - $13.49
$13.49
$13.49 - $13.49
$13.49
NGK V-Power Spark Plugs, UR4 #6630 4/Pack

NGK V-Power Spark Plugs, UR4 #6630 4/Pack

$11.79 - $11.79
$11.79
$11.79 - $11.79
$11.79
Item locally warehoused

V-Power plugs offer economical performance and improved ignitability over nickel spark plugs. OEM and racer approved. Lowers ignition system voltag...

View full details
$11.79 - $11.79
$11.79
$11.79 - $11.79
$11.79

NGK Iridium IX Spark Plugs, TR55IX #7164 4/Pack

$29.89 - $29.89
$29.89
$29.89 - $29.89
$29.89
Item locally warehoused

Designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling...

View full details
$29.89 - $29.89
$29.89
$29.89 - $29.89
$29.89
NGK Spark Plugs, KR9CG #90893, 4/pk

NGK Spark Plugs, KR9CG #90893, 4/pk

$23.39 - $23.39
$23.39
$23.39 - $23.39
$23.39
Item locally warehoused

Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive...

View full details
$23.39 - $23.39
$23.39
$23.39 - $23.39
$23.39
NGK V-Power Spark Plugs, TR55 #3951 4/Pack

NGK V-Power Spark Plugs, TR55 #3951 4/Pack

$12.79 - $12.79
$12.79
$12.79 - $12.79
$12.79
Item locally warehoused

V-Power plugs offer economical performance and improved ignitability over nickel spark plugs. OEM and racer approved. Lowers ignition system voltag...

View full details
$12.79 - $12.79
$12.79
$12.79 - $12.79
$12.79
NGK Spark Plugs, CR9EK #4548, 10/pk

NGK Spark Plugs, CR9EK #4548, 10/pk

$34.09 - $34.09
$34.09
$34.09 - $34.09
$34.09
Item locally warehoused

Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive...

View full details
$34.09 - $34.09
$34.09
$34.09 - $34.09
$34.09

NGK Spark Plugs, 1491 CR9EBBLYB, 6/pk

$23.39 - $23.39
$23.39
$23.39 - $23.39
$23.39
Item locally warehoused

Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive...

View full details
$23.39 - $23.39
$23.39
$23.39 - $23.39
$23.39
NGK Laser Iridium Spark Plugs, IZFR7M #4214 4/Pack

NGK Laser Iridium Spark Plugs, IZFR7M #4214 4/Pack

$48.09 - $48.09
$48.09
$48.09 - $48.09
$48.09
Item locally warehoused

Original equipment on many late model applications Iridium at the fine-wire center electrode and platinum at the ground electrode provides maximum...

View full details
$48.09 - $48.09
$48.09
$48.09 - $48.09
$48.09
NGK Laser Iridium Spark Plugs, IZFR6J #4462 4/Pack

NGK Laser Iridium Spark Plugs, IZFR6J #4462 4/Pack

$48.19 - $48.19
$48.19
$48.19 - $48.19
$48.19
Item locally warehoused

Original equipment on many late model applications Iridium at the fine-wire center electrode and platinum at the ground electrode provides maximum...

View full details
$48.19 - $48.19
$48.19
$48.19 - $48.19
$48.19
NGK Laser Iridium Spark Plugs, IZFR5J #5899 4/Pack

NGK Laser Iridium Spark Plugs, IZFR5J #5899 4/Pack

$48.69 - $48.69
$48.69
$48.69 - $48.69
$48.69
Item locally warehoused

Original equipment on many late model applications Iridium at the fine-wire center electrode and platinum at the ground electrode provides maximum...

View full details
$48.69 - $48.69
$48.69
$48.69 - $48.69
$48.69
NGK Laser Iridium Spark Plugs, IZFR6K11 #6994 4/Pack

NGK Laser Iridium Spark Plugs, IZFR6K11 #6994 4/Pack

$43.89 - $43.89
$43.89
$43.89 - $43.89
$43.89
Item locally warehoused

Original equipment on many late model applications Iridium at the fine-wire center electrode and platinum at the ground electrode provides maximum...

View full details
$43.89 - $43.89
$43.89
$43.89 - $43.89
$43.89
NGK Laser Iridium Spark Plugs, ITR4A15 #5599 4/Pack

NGK Laser Iridium Spark Plugs, ITR4A15 #5599 4/Pack

$33.19 - $33.19
$33.19
$33.19 - $33.19
$33.19
Item locally warehoused

Original equipment on many late model applications Iridium at the fine-wire center electrode and platinum at the ground electrode provides maximum...

View full details
$33.19 - $33.19
$33.19
$33.19 - $33.19
$33.19
NGK V-Power Spark Plugs, TR6 #4177 4/Pack

NGK V-Power Spark Plugs, TR6 #4177 4/Pack

$10.79 - $10.79
$10.79
$10.79 - $10.79
$10.79
Item locally warehoused

V-Power plugs offer economical performance and improved ignitability over nickel spark plugs. OEM and racer approved. Lowers ignition system voltag...

View full details
$10.79 - $10.79
$10.79
$10.79 - $10.79
$10.79
NGK Laser Iridium Spark Plugs, IMR9D9H #6544 4/Pack

NGK Laser Iridium Spark Plugs, IMR9D9H #6544 4/Pack

$42.29 - $42.29
$42.29
$42.29 - $42.29
$42.29
Item locally warehoused

Original equipment on many late model applications Iridium at the fine-wire center electrode and platinum at the ground electrode provides maximum...

View full details
$42.29 - $42.29
$42.29
$42.29 - $42.29
$42.29
NGK Laser Iridium Spark Plugs, IZFR6F11 #4095 4/Pack

NGK Laser Iridium Spark Plugs, IZFR6F11 #4095 4/Pack

$48.09 - $48.09
$48.09
$48.09 - $48.09
$48.09
Item locally warehoused

Original equipment on many late model applications Iridium at the fine-wire center electrode and platinum at the ground electrode provides maximum...

View full details
$48.09 - $48.09
$48.09
$48.09 - $48.09
$48.09
NGK Spark Plugs, CR6HSB #6500, 10/pk

NGK Spark Plugs, CR6HSB #6500, 10/pk

$10.69 - $10.69
$10.69
$10.69 - $10.69
$10.69
Item locally warehoused

Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive...

View full details
$10.69 - $10.69
$10.69
$10.69 - $10.69
$10.69