Looking for the best Boat Engine Spark Plugs?
Discover now our comparison of the best Boat Engine Spark Plugs. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Boat Engine Spark Plugs are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Boat Engine Spark Plugs in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.
No. 2
4Pcs Iridium Spark Plugs Compatible with Mercury Mariner 4-Stroke Outboard 75HP 80HP 90HP 100HP 115HP,Replace for LFR4A-E 6499 33-898829001 33-8M0157328
- [Replacement] Outboard Spark Plugs for LFR4A-E 6499 33-898829001 33-8M0157328
- [Compatible with]Iridium Spark Plugs Compatible With Mercury & Mariner 4-Stroke Outboard Engines: 75 80 90 100 115 FourStroke, 1.7L; 100 FourStroke BEL 0P401000 and up
- [Package included] 4 x Outboard Spark Plugs
- [Excellent Material] Made of excellent material, stable, durable and long service life. Easy to install, plug and play
- [Note] Please check the model of the replacement parts and the applicable machine type before purchasing to ensure correct installation. If you have any questions, please leave us a message
$23.09
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No. 3
SYKRSS 4838 Iridium Spark Plugs 4 Pack - Compatible with Mercury Mariner 40hp 45hp 50hp 60hp 125hp etc. Boat Engine - Replaces BP8H-N-10 Spark Plug
- 【Perfect Fit】Spark plugs Compatible with Mercury Mariner 125 hp 115 hp 100 hp 80 hp 60 hp 55 hp 50 hp 45 hp 40 hp 30 hp 25 hp 20 hp 18 hp 15 hp 9.9 hp 8.0 hp 6.0 hp Marathon etc. For more information about the fit, please check the picture or detail page. Note: Please verify your vehicle's make, model, and engine size before purchasing to ensure compatibility.
- 【OE Replacement】Direct replacement for OE numbers 4838, BP8H-N-10. These spark plugs meet or exceed OEM standards for form, fit, and function. Made from high-temperature resistant materials, they withstand extreme thermal stress, ensuring durability and reliability.
- 【Pre-Gapped Spark Plug】Each spark plug is pre-gapped to 1.0mm (0.039''), ensuring optimal ignition performance and hassle-free installation. For additional specifications such as thread size, hex size, and reach, please refer to the product images for complete details.
- 【Iridium Design】Crafted with precious iridium metal, these spark plugs offer stronger ignition performance, faster cold starts. The wear-resistant design enhances fuel efficiency, reduces carbon buildup, and extends engine life. Ideal for use in automobiles, trucks, SUVs, motorcycles, marine engines, and industrial equipment, these spark plugs are engineered to maximize engine power and improve overall vehicle performance.
- 【Customer Service & Quality Assurance】At SYKRSS, we prioritize your satisfaction. If you encounter any issues with our iridium spark plugs, contact us directly, and we will respond within 48 hours. Backed by a 4-year repair and replacement service, our spark plugs are manufactured by a professional automotive component brand with a mature production line. Choose SYKRSS for high-quality, reliable performance, and exceptional customer support.
$14.49
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SaleNo. 4
BDFHYK 4838 Iridium Spark Plugs Compatible with Mercury Mariner 40hp 45hp 50hp 60hp 125hp etc. Boat Engine Replacement for BP8H-N-10, Set of 4
- 【Compatibility Information】：Universal Spark Plug 4838 compatible with Mercury Mariner 125 hp 115 hp 100 hp 80 hp 60 hp 55 hp 50 hp 45 hp 40 hp 30 hp 25 hp 20 hp 18 hp 15 hp 9.9 hp 8.0 hp 6.0 hp Marathon etc.Please see images or details page for complete Compatibility information
- 【Spark Plug Features】:BDFHYK Spark plugs with superior ignition performance, faster and more sensitive ignition jumps, significant increase in power performance, saving energy consumption in the ignition process, efficiently adapted to the needs of the car. Exquisite production process, 100% brand new high quality auto parts, OE level durability
- 【Relive Performance】:OE standard performance and durability TS16949 certified manufacturer. All center electrodes are made from extremely fine iridium electrodes for good ignition performance. Insulators are made from isostatic ceramics for high density, strength, and good insulation
- 【OE Part Numbers】:Spark Plug compatible to 4838 BP8H-N-10.Please confirm the compatibility according to the year/make/model of your vehicle and the OE number of the replaceable part
- 【About BDFHYK】A professional auto parts manufacturer with mature industry lines. We have our factory and experienced developer.We are committed to providing a 12-month quality guarantee service. If you have any questions,contact with us,we will reply you in 24 hours and offer the solve way for you.Choose BDFHYK,choose good service
−7%
$12.99
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No. 5
Tune up kit for Mercruiser 5.0, 5.7, 7.4, 8.2 V8 engines with Thunderbolt Ignition. Includes spark plug wires, distributor cap/rotor, and 8 MR43T spark plugs
- Tune up kit for Mercruiser 5.0, 5.7, 7.4, 8.2 engines with Thunderbolt ignitions
- Kit includes spark plug wires, coil wire, distributor cap/rotor, and 8 MR43T spark plugs
- Spark plug wires replace part numbers 84-816608Q61, 84816761K17, 84-816761Q17
- Distributor cap/rotor kit replaces part number 805759Q3, 805759T3, 805759T1, 13524T1, 27-805760, 805759Q-3, 805759A5, 805759A 2, 16457A 4, 13524T 1, 13524A 5, 13524A 1
- Eight AC Delco MR43T spark plugs. Check your engine cover to ensure these are the correct spark plugs for your engine before ordering.
$115.89
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No. 6
Quicksilver 13686Q NGK BU8H Semi-Surface Discharge Design Spark Plug, 1-Pack
- NGK BU8H surface gap plugs feature a semi-surface discharge design to improve ignition and burn off any carbon before it can build up to foul the plug
- Check your engine owner’s manual for the correct spark plug and use only the plug as recommended by your engine’s original equipment manufacturer
- NGK Trivalent metal plating also provides superior anti-corrosion in the marine environment and anti-seizing for easier removal
- Spark plugs are easy to change with common spark plug sockets
- Spark plugs are easy to change with common spark plug sockets.
$8.50
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No. 7
Tune Up Kit with NGK BPR6EFS spark plugs distributor cap, rotor and spark plug Wires Mercruiser 3.0L LX Replaces 811635Q2 816761Q14
- Tune up kit for Volvo Penta and Mercruiser 3.0 engines, 1991 and up
- Quality Made in USA 8mm wires, includes coil wire. Brass terminal marine grade distributor cap.
- Kit includes four NGK BPR6EFS sparks plugs, distributor cap, rotor and wires
- Dielectric grease included
- Replaces 811635Q2 816761Q14
$86.99
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No. 8
Champion 828M Pack of 4 Copper Marine Spark Plugs (QL77JC4)
- Consult owners manual for proper part number identification and proper installation
- Genuine Champion Spark Plugs
- Please refer to list for compatibility
- Champion copper plus small engine spark plugs feature a copper core electrode that provides increased conductivity and heat control while delivering good overall wear characteristics
$20.20
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No. 9
Iridium Spark plugs 8pcs Replace QL78YC (938M) Fit for Johnson Evinrude Mercury Marine Outboard Engines
- 1.Adaptation Type: Fit for Johnson Evinrude Mercury Marine Outboard Engines and more, Detail information please check product description
- 2.Replacement Model: 0437929, 505449, 505448, 437929, 816837Q, 816837B2, 14814Q, 14814568, 33816837Q, 338 16837B 2, 33 14814Q, 33 14814568, 33 938 , BPZ8HS10, 3133
- 3.High-quality Material: The spark plug is made of high-quality iridium material, which is wear-resistant and durable, stable in performance, corrosion-resistant and has a long service life
- 4.Function: Performance: Provides higher combustion efficiency, improves fuel economy, and enhances Engine performance, with higher heat resistance and conductivity
- Packing list: This product includes eight spark plugs, quick and easy installation, high-precision manufacturing to ensure a perfect fit
$32.99
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No. 10
GlückMarine 18-8816-1 4 Pcs 6" Marine Spark Plug Wires fit Johnson Evinrude OMC Engines Replacement for 582365 ZF478V Boat Accessories
- This spark plug wire lead set replaces Johnson 582134, 582135, 582365, 777703, 802466, 802505, CDI 931-2365, Mallory 9-28005, 9-28006 and Sierra 18-8816-1
- Compatible with Johnson Evinrude OMC motor models
- The spark plug ignition coil wire is made of durable stainless steel conductors and silicone material, which enables it to carry high voltage without loss, prevents current loss and protects it from arcing and heat
- The spark plug wire is also highly conductive, corrosion resistant, high temperature resistant and long-lasting
- Package contains: 4* 6 inches spark plug wires 582365 / 18-8816-1
$18.99
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Last update on 2025-07-19 / Affiliate links / Images from Amazon Product Advertising API