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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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Ignition Coil

Original price $112.29
Original price $112.29 - Original price $112.29
Original price $112.29
Current price $98.82
$98.82 - $98.82
Current price $98.82
Available

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

Original price $112.29
Original price $112.29 - Original price $112.29
Original price $112.29
Current price $98.82
$98.82 - $98.82
Current price $98.82
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Ignition Wire Set

Original price $107.89
Original price $107.89 - Original price $107.89
Original price $107.89
Current price $94.94
$94.94 - $94.94
Current price $94.94
Available

See Sierra catalog for complete application information.

Original price $107.89
Original price $107.89 - Original price $107.89
Original price $107.89
Current price $94.94
$94.94 - $94.94
Current price $94.94
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Tune Up Kit Gm

Original price $86.79
Original price $86.79 - Original price $86.79
Original price $86.79
Current price $76.38
$76.38 - $76.38
Current price $76.38
Available

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

Original price $86.79
Original price $86.79 - Original price $86.79
Original price $86.79
Current price $76.38
$76.38 - $76.38
Current price $76.38
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NGK Spark Plugs, LMAR6C9 #1679, 10/pk

Original price $29.69
Original price $29.69 - Original price $29.69
Original price $29.69
Current price $26.13
$26.13 - $26.13
Current price $26.13
Available

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
Original price $29.69
Original price $29.69 - Original price $29.69
Original price $29.69
Current price $26.13
$26.13 - $26.13
Current price $26.13
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Sierra Mercury/Mariner Ignition Plug Wire Set

Original price $41.09
Original price $41.09 - Original price $41.09
Original price $41.09
Current price $36.16
$36.16 - $36.16
Current price $36.16
Available

See Sierra catalog for complete application information.

Original price $41.09
Original price $41.09 - Original price $41.09
Original price $41.09
Current price $36.16
$36.16 - $36.16
Current price $36.16
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Tune-Up Kit-Mercruiser

Original price $181.99
Original price $181.99 - Original price $181.99
Original price $181.99
Current price $163.79
$163.79 - $163.79
Current price $163.79
Available

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

Original price $181.99
Original price $181.99 - Original price $181.99
Original price $181.99
Current price $163.79
$163.79 - $163.79
Current price $163.79
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NGK Spark Plugs, DPR7EA9 #5129, 10/pk

Original price $12.89
Original price $12.89 - Original price $12.89
Original price $12.89
Current price $11.34
$11.34 - $11.34
Current price $11.34
1 in stock

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
Original price $12.89
Original price $12.89 - Original price $12.89
Original price $12.89
Current price $11.34
$11.34 - $11.34
Current price $11.34
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NGK Spark Plugs, DR5HS #4623, 10/pk

Original price $11.39
Original price $11.39 - Original price $11.39
Original price $11.39
Current price $10.02
$10.02 - $10.02
Current price $10.02
Available

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
Original price $11.39
Original price $11.39 - Original price $11.39
Original price $11.39
Current price $10.02
$10.02 - $10.02
Current price $10.02
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Ignition Wire Separator Set-Black

Original price $15.79
Original price $15.79 - Original price $15.79
Original price $15.79
Current price $13.90
$13.90 - $13.90
Current price $13.90
Available

Wire Separator-Black

Original price $15.79
Original price $15.79 - Original price $15.79
Original price $15.79
Current price $13.90
$13.90 - $13.90
Current price $13.90
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NGK Spark Plugs, DR6HS #4823, 10/pk

Original price $9.19
Original price $9.19 - Original price $9.19
Original price $9.19
Current price $8.09
$8.09 - $8.09
Current price $8.09
Available

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
Original price $9.19
Original price $9.19 - Original price $9.19
Original price $9.19
Current price $8.09
$8.09 - $8.09
Current price $8.09
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Ignition Coil

Original price $61.79
Original price $61.79 - Original price $61.79
Original price $61.79
Current price $54.38
$54.38 - $54.38
Current price $54.38
Available

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

Original price $61.79
Original price $61.79 - Original price $61.79
Original price $61.79
Current price $54.38
$54.38 - $54.38
Current price $54.38
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Sierra Coil Lead

Original price $33.59
Original price $33.59 - Original price $33.59
Original price $33.59
Current price $29.56
$29.56 - $29.56
Current price $29.56
Available

Coil Lead

Original price $33.59
Original price $33.59 - Original price $33.59
Original price $33.59
Current price $29.56
$29.56 - $29.56
Current price $29.56
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NGK Spark Plugs, ZFR6K #92566, 4/pk

Original price $18.49
Original price $18.49 - Original price $18.49
Original price $18.49
Current price $16.27
$16.27 - $16.27
Current price $16.27
Sold out

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
Original price $18.49
Original price $18.49 - Original price $18.49
Original price $18.49
Current price $16.27
$16.27 - $16.27
Current price $16.27
Sold out

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

Original price $11.19
Original price $11.19 - Original price $11.19
Original price $11.19
Current price $9.85
$9.85 - $9.85
Current price $9.85
Available

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

View full details
Original price $11.19
Original price $11.19 - Original price $11.19
Original price $11.19
Current price $9.85
$9.85 - $9.85
Current price $9.85
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NGK Spark Plugs, DPR8EA9 #4929, 10/pk

Original price $12.59
Original price $12.59 - Original price $12.59
Original price $12.59
Current price $11.08
$11.08 - $11.08
Current price $11.08
Available

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
Original price $12.59
Original price $12.59 - Original price $12.59
Original price $12.59
Current price $11.08
$11.08 - $11.08
Current price $11.08
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NGK Spark Plugs, DR4HS #3326, 10/pk

Original price $11.39
Original price $11.39 - Original price $11.39
Original price $11.39
Current price $10.02
$10.02 - $10.02
Current price $10.02
Available

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
Original price $11.39
Original price $11.39 - Original price $11.39
Original price $11.39
Current price $10.02
$10.02 - $10.02
Current price $10.02
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NGK V-Power Spark Plugs, LFR6A11BLYB #90537 6/Pack

Original price $25.09
Original price $25.09 - Original price $25.09
Original price $25.09
Current price $22.08
$22.08 - $22.08
Current price $22.08
Available

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

View full details
Original price $25.09
Original price $25.09 - Original price $25.09
Original price $25.09
Current price $22.08
$22.08 - $22.08
Current price $22.08
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NGK Spark Plugs, #93961 LKAR7C9, 4/pk

Original price $26.19
Original price $26.19 - Original price $26.19
Original price $26.19
Current price $23.05
$23.05 - $23.05
Current price $23.05
Available

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
Original price $26.19
Original price $26.19 - Original price $26.19
Original price $26.19
Current price $23.05
$23.05 - $23.05
Current price $23.05
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NGK Spark Plugs, DPR6EB9 #3108, 10/pk

Original price $11.39
Original price $11.39 - Original price $11.39
Original price $11.39
Current price $10.02
$10.02 - $10.02
Current price $10.02
Available

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
Original price $11.39
Original price $11.39 - Original price $11.39
Original price $11.39
Current price $10.02
$10.02 - $10.02
Current price $10.02
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NGK V-Power Spark Plugs, ZFR4F11 #4043 4/Pack

Original price $12.79
Original price $12.79 - Original price $12.79
Original price $12.79
Current price $11.26
$11.26 - $11.26
Current price $11.26
Available

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

View full details
Original price $12.79
Original price $12.79 - Original price $12.79
Original price $12.79
Current price $11.26
$11.26 - $11.26
Current price $11.26
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NGK Iridium IX Spark Plugs, DCPR8EIX #6546 4/Pack

Original price $30.69
Original price $30.69 - Original price $30.69
Original price $30.69
Current price $27.01
$27.01 - $27.01
Current price $27.01
Sold out

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

View full details
Original price $30.69
Original price $30.69 - Original price $30.69
Original price $30.69
Current price $27.01
$27.01 - $27.01
Current price $27.01
Sold out

NGK Spark Plugs, LKR6E9N #90410, 4/pk

Original price $24.79
Original price $24.79 - Original price $24.79
Original price $24.79
Current price $21.82
$21.82 - $21.82
Current price $21.82
Available

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
Original price $24.79
Original price $24.79 - Original price $24.79
Original price $24.79
Current price $21.82
$21.82 - $21.82
Current price $21.82
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NGK Spark Plugs, DPR5EA9 #2887, 10/pk

Original price $12.89
Original price $12.89 - Original price $12.89
Original price $12.89
Current price $11.34
$11.34 - $11.34
Current price $11.34
Available

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
Original price $12.89
Original price $12.89 - Original price $12.89
Original price $12.89
Current price $11.34
$11.34 - $11.34
Current price $11.34
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NGK V-Power Spark Plugs, UR5 #2771 4/Pack

Original price $11.59
Original price $11.59 - Original price $11.59
Original price $11.59
Current price $10.20
$10.20 - $10.20
Current price $10.20
Available

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

View full details
Original price $11.59
Original price $11.59 - Original price $11.59
Original price $11.59
Current price $10.20
$10.20 - $10.20
Current price $10.20
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NGK Spark Plugs, KR9EG #93226, 4/pk

Original price $24.69
Original price $24.69 - Original price $24.69
Original price $24.69
Current price $21.73
$21.73 - $21.73
Current price $21.73
Available

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
Original price $24.69
Original price $24.69 - Original price $24.69
Original price $24.69
Current price $21.73
$21.73 - $21.73
Current price $21.73
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NGK Spark Plugs, DPR6EA9 #5531, 10/pk

Original price $12.89
Original price $12.89 - Original price $12.89
Original price $12.89
Current price $11.34
$11.34 - $11.34
Current price $11.34
Available

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
Original price $12.89
Original price $12.89 - Original price $12.89
Original price $12.89
Current price $11.34
$11.34 - $11.34
Current price $11.34
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NGK Spark Plugs, ZFR5F #7558, 4/pk

Original price $14.29
Original price $14.29 - Original price $14.29
Original price $14.29
Current price $12.58
$12.58 - $12.58
Current price $12.58
Available

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
Original price $14.29
Original price $14.29 - Original price $14.29
Original price $14.29
Current price $12.58
$12.58 - $12.58
Current price $12.58
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NGK V-Power Spark Plugs, YR5 #7052 4/Pack

Original price $11.59
Original price $11.59 - Original price $11.59
Original price $11.59
Current price $10.20
$10.20 - $10.20
Current price $10.20
Sold out

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

View full details
Original price $11.59
Original price $11.59 - Original price $11.59
Original price $11.59
Current price $10.20
$10.20 - $10.20
Current price $10.20
Sold out

NGK Spark Plugs, ZFR6K, 4/pk

Original price $17.49
Original price $17.49 - Original price $17.49
Original price $17.49
Current price $15.39
$15.39 - $15.39
Current price $15.39
Available

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
Original price $17.49
Original price $17.49 - Original price $17.49
Original price $17.49
Current price $15.39
$15.39 - $15.39
Current price $15.39
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NGK V-Power Spark Plugs, ZFR5F11 #2262 4/Pack

Original price $13.29
Original price $13.29 - Original price $13.29
Original price $13.29
Current price $11.70
$11.70 - $11.70
Current price $11.70
Available

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

View full details
Original price $13.29
Original price $13.29 - Original price $13.29
Original price $13.29
Current price $11.70
$11.70 - $11.70
Current price $11.70
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NGK V-Power Spark Plugs, UR4 #6630 4/Pack

Original price $11.59
Original price $11.59 - Original price $11.59
Original price $11.59
Current price $10.20
$10.20 - $10.20
Current price $10.20
Available

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

View full details
Original price $11.59
Original price $11.59 - Original price $11.59
Original price $11.59
Current price $10.20
$10.20 - $10.20
Current price $10.20
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NGK Iridium IX Spark Plugs, TR55IX #7164 4/Pack

Original price $29.39
Original price $29.39 - Original price $29.39
Original price $29.39
Current price $25.86
$25.86 - $25.86
Current price $25.86
Available

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

View full details
Original price $29.39
Original price $29.39 - Original price $29.39
Original price $29.39
Current price $25.86
$25.86 - $25.86
Current price $25.86
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NGK Spark Plugs, KR9CG #90893, 4/pk

Original price $22.89
Original price $22.89 - Original price $22.89
Original price $22.89
Current price $20.14
$20.14 - $20.14
Current price $20.14
Available

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
Original price $22.89
Original price $22.89 - Original price $22.89
Original price $22.89
Current price $20.14
$20.14 - $20.14
Current price $20.14
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NGK V-Power Spark Plugs, TR55 #3951 4/Pack

Original price $12.59
Original price $12.59 - Original price $12.59
Original price $12.59
Current price $11.08
$11.08 - $11.08
Current price $11.08
Available

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

View full details
Original price $12.59
Original price $12.59 - Original price $12.59
Original price $12.59
Current price $11.08
$11.08 - $11.08
Current price $11.08
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NGK Spark Plugs, CR9EK #4548, 10/pk

Original price $33.49
Original price $33.49 - Original price $33.49
Original price $33.49
Current price $29.47
$29.47 - $29.47
Current price $29.47
Available

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
Original price $33.49
Original price $33.49 - Original price $33.49
Original price $33.49
Current price $29.47
$29.47 - $29.47
Current price $29.47
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NGK Spark Plugs, 1491 CR9EBBLYB, 6/pk

Original price $22.89
Original price $22.89 - Original price $22.89
Original price $22.89
Current price $20.14
$20.14 - $20.14
Current price $20.14
Available

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
Original price $22.89
Original price $22.89 - Original price $22.89
Original price $22.89
Current price $20.14
$20.14 - $20.14
Current price $20.14
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NGK Laser Iridium Spark Plugs, IZFR7M #4214 4/Pack

Original price $47.09
Original price $47.09 - Original price $47.09
Original price $47.09
Current price $41.44
$41.44 - $41.44
Current price $41.44
Available

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
Original price $47.09
Original price $47.09 - Original price $47.09
Original price $47.09
Current price $41.44
$41.44 - $41.44
Current price $41.44
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NGK Laser Iridium Spark Plugs, IZFR6J #4462 4/Pack

Original price $47.29
Original price $47.29 - Original price $47.29
Original price $47.29
Current price $41.62
$41.62 - $41.62
Current price $41.62
Available

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
Original price $47.29
Original price $47.29 - Original price $47.29
Original price $47.29
Current price $41.62
$41.62 - $41.62
Current price $41.62
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NGK Laser Iridium Spark Plugs, IZFR5J #5899 4/Pack

Original price $47.79
Original price $47.79 - Original price $47.79
Original price $47.79
Current price $42.06
$42.06 - $42.06
Current price $42.06
Available

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
Original price $47.79
Original price $47.79 - Original price $47.79
Original price $47.79
Current price $42.06
$42.06 - $42.06
Current price $42.06
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NGK Laser Iridium Spark Plugs, IZFR6K11 #6994 4/Pack

Original price $42.99
Original price $42.99 - Original price $42.99
Original price $42.99
Current price $37.83
$37.83 - $37.83
Current price $37.83
Available

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
Original price $42.99
Original price $42.99 - Original price $42.99
Original price $42.99
Current price $37.83
$37.83 - $37.83
Current price $37.83
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NGK Laser Iridium Spark Plugs, ITR4A15 #5599 4/Pack

Original price $32.59
Original price $32.59 - Original price $32.59
Original price $32.59
Current price $28.68
$28.68 - $28.68
Current price $28.68
Available

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
Original price $32.59
Original price $32.59 - Original price $32.59
Original price $32.59
Current price $28.68
$28.68 - $28.68
Current price $28.68
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NGK V-Power Spark Plugs, TR6 #4177 4/Pack

Original price $10.69
Original price $10.69 - Original price $10.69
Original price $10.69
Current price $9.41
$9.41 - $9.41
Current price $9.41
Available

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

View full details
Original price $10.69
Original price $10.69 - Original price $10.69
Original price $10.69
Current price $9.41
$9.41 - $9.41
Current price $9.41
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NGK Laser Iridium Spark Plugs, IMR9D9H #6544 4/Pack

Original price $41.49
Original price $41.49 - Original price $41.49
Original price $41.49
Current price $36.51
$36.51 - $36.51
Current price $36.51
Available

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
Original price $41.49
Original price $41.49 - Original price $41.49
Original price $41.49
Current price $36.51
$36.51 - $36.51
Current price $36.51
Save 12% Save %

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

Original price $47.09
Original price $47.09 - Original price $47.09
Original price $47.09
Current price $41.44
$41.44 - $41.44
Current price $41.44
Available

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
Original price $47.09
Original price $47.09 - Original price $47.09
Original price $47.09
Current price $41.44
$41.44 - $41.44
Current price $41.44
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NGK Spark Plugs, CR6HSB #6500, 10/pk

Original price $10.59
Original price $10.59 - Original price $10.59
Original price $10.59
Current price $9.32
$9.32 - $9.32
Current price $9.32
Available

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
Original price $10.59
Original price $10.59 - Original price $10.59
Original price $10.59
Current price $9.32
$9.32 - $9.32
Current price $9.32
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NGK V-Power Spark Plugs, TR4 #3754 4/Pack

Original price $11.59
Original price $11.59 - Original price $11.59
Original price $11.59
Current price $10.20
$10.20 - $10.20
Current price $10.20
Available

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

View full details
Original price $11.59
Original price $11.59 - Original price $11.59
Original price $11.59
Current price $10.20
$10.20 - $10.20
Current price $10.20
Save 12% Save %

NGK V-Power Spark Plugs, TR5 #2238 4/Pack

Original price $11.59
Original price $11.59 - Original price $11.59
Original price $11.59
Current price $10.20
$10.20 - $10.20
Current price $10.20
Sold out

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

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Original price $11.59
Original price $11.59 - Original price $11.59
Original price $11.59
Current price $10.20
$10.20 - $10.20
Current price $10.20
Sold out

NGK Laser Iridium Spark Plugs, ILMAR7E9 #94698 4/Pack

Original price $27.39 - Original price $27.39
Original price
$27.39
$27.39 - $27.39
Current price $27.39
Available

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

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Original price $27.39 - Original price $27.39
Original price
$27.39
$27.39 - $27.39
Current price $27.39