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Celebrating over 50 years of Trusted Marine Service
Over 50 years of Trusted Marine Service

Spark Plugs & Ignition Parts

Keep your marine engine starting cleanly and running smoothly with quality spark plugs and ignition parts. Shop replacement plugs, ignition components, and tune-up essentials designed to support reliable starts, strong spark, and dependable on-water performance.

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Volvo Penta Ignition / Starter Switch Kit 3587071 | Replaces 888001

Original price $460.00 - Original price $460.00
Original price
$460.00
$460.00 - $460.00
Current price $460.00
Out of stock

Part Details Part Number: 3587071 Brand: Volvo Penta Type: Ignition / starter switch kit System: Electrical — ignition and engine start/stop c...

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Original price $460.00 - Original price $460.00
Original price
$460.00
$460.00 - $460.00
Current price $460.00
Sold out

Mercury MerCruiser NGK Spark Plug ITR4A15 8M0204739 4-pack

Original price $33.07 - Original price $33.07
Original price $33.07
$33.07
$33.07 - $33.07
Current price $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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Original price $33.07 - Original price $33.07
Original price $33.07
$33.07
$33.07 - $33.07
Current price $33.07

Volvo Penta Ignition Module Cooling Plate 3858985

Original price $90.00 - Original price $90.00
Original price
$90.00
$90.00 - $90.00
Current price $90.00
Only 1 left!

Volvo Penta OEM Ignition Module Cooling Plate – Part No. 3858985 Important: This is an ignition system component — not a coolant or raw-water syst...

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Original price $90.00 - Original price $90.00
Original price
$90.00
$90.00 - $90.00
Current price $90.00

Mercury MerCruiser Quicksilver Ignition Coil 8M0054588

Original price $600.74 - Original price $600.74
Original price $600.74
$600.74
$600.74 - $600.74
Current price $600.74
Out of stock

Mercury MerCruiser Ignition Coil – MPI ECM 555 Applications Part Number: 8M0054588 (392-8M0054588) Brand: Mercury / Quicksilver GTIN: 745061877849 ...

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Original price $600.74 - Original price $600.74
Original price $600.74
$600.74
$600.74 - $600.74
Current price $600.74
Sold out

Mercury MerCruiser Ignition Coil 8M0178581 — 496 MAG / 8.1L | Design II

Original price $336.59 - Original price $336.59
Original price
$336.59
$336.59 - $336.59
Current price $336.59
Only 2 left!

Mercury MerCruiser Ignition Coil 8M0178581 — 496 MAG / 8.1L | Design IIThis genuine OEM ignition coil is the later Design II unit used in the cylin...

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Original price $336.59 - Original price $336.59
Original price
$336.59
$336.59 - $336.59
Current price $336.59

Marine Alternator 12V 70A – Self-Exciting, Ignition Protected | SKU 57-20102

Original price $359.69 - Original price $359.69
Original price
$359.69
$359.69 - $359.69
Current price $359.69
Item locally warehoused

A 12-volt, 70-amp self-exciting marine alternator built for gasoline inboard engines where ignition protection is required. This unit features igni...

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Original price $359.69 - Original price $359.69
Original price
$359.69
$359.69 - $359.69
Current price $359.69

Marine Alternator 12V 70A – Self-Exciting, Ignition Protected | SKU 57-20104

Original price $357.09 - Original price $357.09
Original price
$357.09
$357.09 - $357.09
Current price $357.09
Item locally warehoused

A 12-volt, 70-amp self-exciting marine alternator built for gasoline inboard engines where ignition protection is a safety requirement. Unlike stan...

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Original price $357.09 - Original price $357.09
Original price
$357.09
$357.09 - $357.09
Current price $357.09

Sea-Dog Brass 3-Position Ignition Key Switch – Off / Ignition / Start, Includes 2 Keys

Original price $62.29 - Original price $62.29
Original price
$62.29
$62.29 - $62.29
Current price $62.29
Item locally warehoused

Classic Brass Ignition Key Switch — Off, Ignition, and Start in OneThe Sea-Dog Brass 3-Position Ignition Key Switch is a traditional keyed ignition...

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Original price $62.29 - Original price $62.29
Original price
$62.29
$62.29 - $62.29
Current price $62.29

Volvo Penta Ignition Contact Set 243799 | Bosch Distributor AQ BB Series

Original price $24.40 - Original price $24.40
Original price
$24.40
$24.40 - $24.40
Current price $24.40
Out of stock

Part Details Part Number: 243799 Brand: Volvo Penta Type: Ignition contact set (breaker points) — distributor internal component System: Distr...

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Original price $24.40 - Original price $24.40
Original price
$24.40
$24.40 - $24.40
Current price $24.40
Sold out

Sierra RK19700 Contura III Marine Rocker Switch – On/Off, SPST, Illuminated, Black, IP68, Ignition Protected

Original price $30.09 - Original price $30.09
Original price
$30.09
$30.09 - $30.09
Current price $30.09
Item locally warehoused

Sierra RK19700 Contura III Marine Rocker Switch – On/Off, SPST, Illuminated, Black, IP68, Ignition ProtectedThe Sierra RK19700 is an illuminated ma...

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Original price $30.09 - Original price $30.09
Original price
$30.09
$30.09 - $30.09
Current price $30.09

Sierra RK19680 Contura III Marine Rocker Switch – On/Off, SPST, Non-Illuminated, Black, IP68, Ignition Protected

Original price $30.79 - Original price $30.79
Original price
$30.79
$30.79 - $30.79
Current price $30.79
Item locally warehoused

Sierra RK19680 Contura III Marine Rocker Switch – On/Off, SPST, Non-Illuminated, Black, IP68, Ignition ProtectedThe Sierra RK19680 is a non-illumin...

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Original price $30.79 - Original price $30.79
Original price
$30.79
$30.79 - $30.79
Current price $30.79

Sierra RK19320 Contura V Marine Rocker Switch – On-Off-On, SPDT, Red LED, IP68, Ignition Protected

Original price $36.09 - Original price $36.09
Original price
$36.09
$36.09 - $36.09
Current price $36.09
Item locally warehoused

Sierra RK19320 Contura V Marine Rocker Switch – On-Off-On, SPDT, Red LED, IP68, Ignition ProtectedThe Sierra RK19320 is an illuminated marine rocke...

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Original price $36.09 - Original price $36.09
Original price
$36.09
$36.09 - $36.09
Current price $36.09

Sierra RK19310 Contura V Marine Rocker Switch – On/Off, SPST, Red LED, IP68, Ignition Protected

Original price $28.89 - Original price $28.89
Original price
$28.89
$28.89 - $28.89
Current price $28.89
Item locally warehoused

Sierra RK19310 Contura V Marine Rocker Switch – On/Off, SPST, Red LED, IP68, Ignition ProtectedThe Sierra RK19310 is an illuminated marine rocker s...

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Original price $28.89 - Original price $28.89
Original price
$28.89
$28.89 - $28.89
Current price $28.89

Sierra RK19890TP Contura III Marine Rocker Switch – On/Off, SPST, Illuminated, IP68, Ignition Protected

Original price $41.19 - Original price $41.19
Original price
$41.19
$41.19 - $41.19
Current price $41.19
Item locally warehoused

Sierra RK19890TP Contura III Marine Rocker Switch – On/Off, SPST, Illuminated, IP68, Ignition ProtectedThe Sierra RK19890TP is a heavy-duty illumin...

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Original price $41.19 - Original price $41.19
Original price
$41.19
$41.19 - $41.19
Current price $41.19

Mercury Quicksilver Stator 878143T05 | OEM Outboard Ignition Charging

Original price $418.56 - Original price $418.56
Original price
$418.56
$418.56 - $418.56
Current price $418.56
Out of stock

Mercury Quicksilver Stator 878143T05 Part Number: 878143T05  |  Also listed as: 398-878143T05 Brand: Mercury / Quicksilver Official Product Type: S...

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Original price $418.56 - Original price $418.56
Original price
$418.56
$418.56 - $418.56
Current price $418.56
Sold out

Sierra RK19850TP Contura III Marine Rocker Switch – (On)-Off-(On), DPDT, IP68, Ignition Protected

Original price $42.79 - Original price $42.79
Original price
$42.79
$42.79 - $42.79
Current price $42.79
Item locally warehoused

Sierra RK19850TP Contura III Marine Rocker Switch – (On)-Off-(On), DPDT, IP68, Ignition ProtectedThe Sierra RK19850TP is a heavy-duty waterproof ma...

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Original price $42.79 - Original price $42.79
Original price
$42.79
$42.79 - $42.79
Current price $42.79

Sierra BS11020 Dual Battery Selector Switch – 1/2/Both/Off, 48V, IP66, Ignition Protected

Original price $67.79 - Original price $67.79
Original price
$67.79
$67.79 - $67.79
Current price $67.79
Item locally warehoused

Sierra BS11020 Dual Battery Selector Switch – 1/2/Both/OffA 4-position dual battery selector switch for marine electrical systems with two battery ...

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Original price $67.79 - Original price $67.79
Original price
$67.79
$67.79 - $67.79
Current price $67.79

Sierra BS11000 Battery Disconnect Switch – On/Off, 48V, IP66, Ignition Protected

Original price $60.19 - Original price $60.19
Original price
$60.19
$60.19 - $60.19
Current price $60.19
Item locally warehoused

Sierra BS11000 Battery Disconnect Switch – On/Off, 48V DCA heavy-duty marine battery disconnect switch rated for systems up to 48V DC with 4/0 AWG ...

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Original price $60.19 - Original price $60.19
Original price
$60.19
$60.19 - $60.19
Current price $60.19

Seachoice 4-Position Keyed Ignition Switch – Acc/Off/Ignition/Start, 2 Keys & Boot (50-11801)

Original price $44.09 - Original price $44.09
Original price
$44.09
$44.09 - $44.09
Current price $44.09
Item locally warehoused

Seachoice 4-Position Keyed Ignition Switch – Acc/Off/Ignition/StartA complete keyed ignition switch for inboard and sterndrive marine engines. The ...

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Original price $44.09 - Original price $44.09
Original price
$44.09
$44.09 - $44.09
Current price $44.09

BEP 1001610 3 Position Ignition Switch

Original price $39.59 - Original price $39.59
Original price
$39.59
$39.59 - $39.59
Current price $39.59
Item locally warehoused

Impact and corrosion-resistant switch fits standard 7/8" diameter hole and includes PVC boot for added weather protection. Coded tumbler lock for a...

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Original price $39.59 - Original price $39.59
Original price
$39.59
$39.59 - $39.59
Current price $39.59

BEP 1001607 3 Position Ignition Switch

Original price $65.99 - Original price $65.99
Original price
$65.99
$65.99 - $65.99
Current price $65.99
Item locally warehoused

Marine-grade battery ignition and start switch suitable for harsh environments on land or sea. Coded tumbler lock, includes two keys Nominal voltag...

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Original price $65.99 - Original price $65.99
Original price
$65.99
$65.99 - $65.99
Current price $65.99

BEP 1001609 4 Position Ignition Switch

Original price $58.69 - Original price $58.69
Original price
$58.69
$58.69 - $58.69
Current price $58.69
Item locally warehoused

Marine-grade battery ignition and start switch suitable for harsh environments on land or sea. Coded tumbler lock, includes two keys Nominal voltag...

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Original price $58.69 - Original price $58.69
Original price
$58.69
$58.69 - $58.69
Current price $58.69

BEP 1001604 3 Position Ignition Switch

Original price $143.19 - Original price $143.19
Original price
$143.19
$143.19 - $143.19
Current price $143.19
Item locally warehoused

Sealed keyed switches with integral Deutsch connectors feature fully sealed contact areas with O-rings and ultrasonic welding to IP67 waterproof ra...

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Original price $143.19 - Original price $143.19
Original price
$143.19
$143.19 - $143.19
Current price $143.19

BEP 1001603 4 Position Ignition Switch

Original price $168.19 - Original price $168.19
Original price
$168.19
$168.19 - $168.19
Current price $168.19
Item locally warehoused

Sealed keyed switches with integral Deutsch connectors feature fully sealed contact areas with O-rings and ultrasonic welding to IP67 waterproof ra...

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Original price $168.19 - Original price $168.19
Original price
$168.19
$168.19 - $168.19
Current price $168.19

BEP 1001606 3 Position Ignition Switch

Original price $75.89 - Original price $75.89
Original price
$75.89
$75.89 - $75.89
Current price $75.89
Item locally warehoused

Marine-grade battery ignition and start switch suitable for harsh environments on land or sea. Coded tumbler lock, includes two keys Weather resist...

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Original price $75.89 - Original price $75.89
Original price
$75.89
$75.89 - $75.89
Current price $75.89

Switch 4Pos Ignition-Poly

Original price $40.19 - Original price $40.19
Original price
$40.19
$40.19 - $40.19
Current price $40.19
Item locally warehoused

Four Position Ignition Switch is constructed of polypropylene. For accessory, off, ignition, and start functions. 13/16" diameter long shaft. Maxim...

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Original price $40.19 - Original price $40.19
Original price
$40.19
$40.19 - $40.19
Current price $40.19

Sea-Dog 4203661 Switch 3 Position Polypropylene Ignition Switch w/Boot

Original price $40.89 - Original price $40.89
Original price
$40.89
$40.89 - $40.89
Current price $40.89
Item locally warehoused

3 Position polypropylene ignition/starter switch with 3 screw terminals. 13/16" Shaft dia. Short shaft fits panels up to 5/8" thick. Functions: Off...

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Original price $40.89 - Original price $40.89
Original price
$40.89
$40.89 - $40.89
Current price $40.89

3 Position Magneto Style Ignition/Starter Switch

Original price $62.99 - Original price $62.99
Original price
$62.99
$62.99 - $62.99
Current price $62.99
Item locally warehoused

Three Position Magneto Style Ignition Switch is constructed of polypropylene. For off, ignition, start, and choke functions. 13/16" diameter short ...

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Original price $62.99 - Original price $62.99
Original price
$62.99
$62.99 - $62.99
Current price $62.99

Sea-Dog 4203611 Switch 3 Position Polypropylene Ignition Switch w/o Boot

Original price $40.89 - Original price $40.89
Original price
$40.89
$40.89 - $40.89
Current price $40.89
Item locally warehoused

3 Position polypropylene ignition/starter switch with 3 screw terminals. 13/16" Shaft dia. Short shaft fits panels up to 5/8" thick. Functions: Off...

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Original price $40.89 - Original price $40.89
Original price
$40.89
$40.89 - $40.89
Current price $40.89

3 Position Magneto Style Ignition/Starter Switch

Original price $62.29 - Original price $62.29
Original price
$62.29
$62.29 - $62.29
Current price $62.29
Item locally warehoused

Three Position Magneto-Style Ignition Switch is constructed of stamped brass. For off, ignition, and start functions. Ignition (accessory) circuit ...

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Original price $62.29 - Original price $62.29
Original price
$62.29
$62.29 - $62.29
Current price $62.29

Sea-Dog 4203651 Switch 3 Position Polypropylene Ignition Switch w/Boot

Original price $38.99 - Original price $38.99
Original price
$38.99
$38.99 - $38.99
Current price $38.99
Item locally warehoused

3 Position polypropylene ignition/starter switch with 3 screw terminals. 13/16" Shaft dia. Long shaft fits panels up to 1-1/8" thick. Functions: Of...

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Original price $38.99 - Original price $38.99
Original price
$38.99
$38.99 - $38.99
Current price $38.99

Sea-Dog 4-Position Ignition Switch

Original price $62.29 - Original price $62.29
Original price
$62.29
$62.29 - $62.29
Current price $62.29
Item locally warehoused

Stamped brass. Functions: Acc.-Off-Ignition-Start. Rated: Ignition 15 Amp @ 12VDC, Solenoid 30 Amp @ 12VDC, Accessory 15 Amp @ 12VDC.

Original price $62.29 - Original price $62.29
Original price
$62.29
$62.29 - $62.29
Current price $62.29

SeaDog 420355 Long Shaft Three Screw Terminal Three Position Off Ignition Start Switch with Cap

Original price $62.29 - Original price $62.29
Original price
$62.29
$62.29 - $62.29
Current price $62.29
Item locally warehoused

Three Position Ignition Switch is constructed of stamped brass. For off, ignition, and start functions. 13/16" diameter long shaft. Maximum panel t...

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Original price $62.29 - Original price $62.29
Original price
$62.29
$62.29 - $62.29
Current price $62.29

Sea-Dog 4203601 Switch 3 Position Polypropylene Ignition Switch w/o Boot

Original price $39.39 - Original price $39.39
Original price
$39.39
$39.39 - $39.39
Current price $39.39
Item locally warehoused

3 Position polypropylene ignition/starter switch with 3 screw terminals. 13/16" Shaft dia. Long shaft fits panels up to 1-1/8" thick. Functions: Of...

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Original price $39.39 - Original price $39.39
Original price
$39.39
$39.39 - $39.39
Current price $39.39

Cole Hersee 9579BP 4-Position Key Ignition Switch – Acc / Off / Acc+Ign / Start

Original price $76.49 - Original price $76.49
Original price
$76.49
$76.49 - $76.49
Current price $76.49
Item locally warehoused

Four-Position Keyed Ignition Control for Marine and Harsh-Environment ApplicationsThe Cole Hersee 9579BP is a four-position key ignition switch bui...

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Original price $76.49 - Original price $76.49
Original price
$76.49
$76.49 - $76.49
Current price $76.49

Cole Hersee 2-Position Starter/Ignition Switch

Original price $102.43 - Original price $102.43
Original price
$102.43
$102.43 - $102.43
Current price $102.43
Item locally warehoused

Simple, Reliable Ignition Control for Marine ApplicationsThe Cole Hersee 2-Position Starter/Ignition Switch delivers straightforward Off/On(Ignitio...

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Original price $102.43 - Original price $102.43
Original price
$102.43
$102.43 - $102.43
Current price $102.43

Cole Hersee M550BP 3-Position Battery Ignition Switch – Off / Ign / Ign+Start

Original price $102.95 - Original price $102.95
Original price
$102.95
$102.95 - $102.95
Current price $102.95
Item locally warehoused

Full Ignition Control in a Compact Brass SwitchThe Cole Hersee M550BP gives you three-position ignition control — Off, Ignition, and Ignition+Start...

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Original price $102.95 - Original price $102.95
Original price
$102.95
$102.95 - $102.95
Current price $102.95

Sierra UN12140 Marine Ignition Starter Switch – 4-Position, Conventional, Zinc, 4-Stud Terminal, 12V/15A

Original price $53.99 - Original price $53.99
Original price
$53.99
$53.99 - $53.99
Current price $53.99
Item locally warehoused

Sierra UN12140 Marine Ignition Starter Switch – 4-Position, Conventional, Zinc, 4-Stud Terminal, 12V/15AThe Sierra UN12140 is a conventional 4-posi...

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Original price $53.99 - Original price $53.99
Original price
$53.99
$53.99 - $53.99
Current price $53.99

Sierra MP51020 Yamaha Outboard Ignition Switch – OEM Replacement with Rubber-Molded Key

Original price $210.09 - Original price $210.09
Original price
$210.09
$210.09 - $210.09
Current price $210.09
Item locally warehoused

Sierra MP51020 Yamaha Outboard Ignition Switch – OEM Replacement with Rubber-Molded KeyThe Sierra MP51020 is a direct OEM-replacement ignition swit...

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Original price $210.09 - Original price $210.09
Original price
$210.09
$210.09 - $210.09
Current price $210.09

Sierra MP39190 Replacement Ignition Switch Boot – Fits Sierra Polyester Switches, 1996 & Later

Original price $15.89 - Original price $15.89
Original price
$15.89
$15.89 - $15.89
Current price $15.89
Item locally warehoused

Sierra MP39190 Replacement Ignition Switch Boot – Fits Sierra Polyester Switches, 1996 & LaterKeep moisture and dust out of your ignition switc...

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Original price $15.89 - Original price $15.89
Original price
$15.89
$15.89 - $15.89
Current price $15.89

Sierra MP41020 Marine Ignition Starter Switch – 4-Position, Magneto, 12V/15A

Original price $90.19 - Original price $90.19
Original price
$90.19
$90.19 - $90.19
Current price $90.19
Item locally warehoused

Sierra MP41020 Marine Ignition Starter Switch – 4-Position Magneto, 12V/15AThe Sierra MP41020 is a heavy-duty marine ignition starter switch built ...

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Original price $90.19 - Original price $90.19
Original price
$90.19
$90.19 - $90.19
Current price $90.19

Sierra MP41070-2 Marine Ignition Starter Switch – 3-Position, Magneto, Compact 5/8", 6-Wire, Push-to-Choke

Original price $62.79 - Original price $62.79
Original price
$62.79
$62.79 - $62.79
Current price $62.79
Item locally warehoused

Sierra MP41070-2 Marine Ignition Starter Switch – 3-Position Magneto, Compact 5/8", 6-Wire Terminal, Push-to-ChokeThe Sierra MP41070-2 is a compact...

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Original price $62.79 - Original price $62.79
Original price
$62.79
$62.79 - $62.79
Current price $62.79

Sierra MP39100 Marine Ignition Starter Switch – 3-Position, Magneto, 5-Screw, 12V/15A

Original price $57.29 - Original price $57.29
Original price
$57.29
$57.29 - $57.29
Current price $57.29
Item locally warehoused

Sierra MP39100 Marine Ignition Starter Switch – 3-Position Magneto, 5-Screw Terminal, 12V/15AThe Sierra MP39100 is a heavy-duty marine ignition sta...

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Original price $57.29 - Original price $57.29
Original price
$57.29
$57.29 - $57.29
Current price $57.29

Sierra MP41030 Marine Ignition Starter Switch – 3-Position, Conventional, Compact 5/8", with Boot

Original price $43.99 - Original price $43.99
Original price
$43.99
$43.99 - $43.99
Current price $43.99
Item locally warehoused

Sierra MP41030 Marine Ignition Starter Switch – 3-Position Conventional, Compact 5/8", with BootThe Sierra MP41030 is a compact marine ignition sta...

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Original price $43.99 - Original price $43.99
Original price
$43.99
$43.99 - $43.99
Current price $43.99

Sierra MP41040 Marine Ignition Starter Switch – 4-Position, Conventional, 12V/15A, with Boot

Original price $49.89 - Original price $49.89
Original price
$49.89
$49.89 - $49.89
Current price $49.89
Item locally warehoused

Sierra MP41040 Marine Ignition Starter Switch – 4-Position Conventional, 12V/15A, with BootThe Sierra MP41040 is a heavy-duty marine ignition start...

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Original price $49.89 - Original price $49.89
Original price
$49.89
$49.89 - $49.89
Current price $49.89

Sierra MP41080 Marine Ignition Starter Switch – 4-Position, Magneto, Compact 5/8", 6-Screw + Boss, Push-to-Choke

Original price $57.29 - Original price $57.29
Original price
$57.29
$57.29 - $57.29
Current price $57.29
Item locally warehoused

Sierra MP41080 Marine Ignition Starter Switch – 4-Position Magneto, Compact 5/8", 6-Screw + 1 Boss Terminal, Push-to-ChokeThe Sierra MP41080 is a c...

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Original price $57.29 - Original price $57.29
Original price
$57.29
$57.29 - $57.29
Current price $57.29

Sierra MP41010 Marine Ignition Starter Switch – 4-Position, Magneto, Compact 5/8", 7-Screw, 12V/15A

Original price $57.19 - Original price $57.19
Original price
$57.19
$57.19 - $57.19
Current price $57.19
Item locally warehoused

Sierra MP41010 Marine Ignition Starter Switch – 4-Position Magneto, Compact 5/8", 7-Screw Terminal, 12V/15AThe Sierra MP41010 is a specialized mari...

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Original price $57.19 - Original price $57.19
Original price
$57.19
$57.19 - $57.19
Current price $57.19

Sierra MP39070 Marine Ignition Starter Switch – 4-Position, Conventional, Brass, 12V/15A

Original price $95.89 - Original price $95.89
Original price
$95.89
$95.89 - $95.89
Current price $95.89
Item locally warehoused

Sierra MP39070 Marine Ignition Starter Switch – 4-Position Conventional, Brass, 12V/15AThe Sierra MP39070 is a premium brass-bodied marine ignition...

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Original price $95.89 - Original price $95.89
Original price
$95.89
$95.89 - $95.89
Current price $95.89