Best Bosch Performance Spark Plugs in 2026
Daisy
Last Updated: Jul 18, 2026
Daisy
Last Updated: Jul 18, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| JMOZ | 6.37 | ✅ | ✅ | ✅ |
Copper Plus - Dependable Performance and Durability
OE type replacement plug
Copper core center electrode allows for accurate control of heat range for longer life
Superior corrosion resistance
Built to ISO and SAE standards for proven performance
Champion copper plus small engine plugs resist fouling and provide superior corrosion resistance
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
Champion copper plus small engine spark plugs are built by a world leader in small engine spark plugs to deliver proven performance
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Willard's Small Engines | 9.87 | ✅ | ✅ | ✅ |
This 4 pack Champion Copper Plus 980 Spark Plug replaces Champion Spark Plug XC92YC, parts and is perfect for replacement or a performance upgrade.
IMPROVE PERFORMANCE: The tried-and-true Champion Copper Plus SME Spark Plug boosts performance so that your engine runs at its best. For projects large and small, the Champion Copper Plus SME spark plugs are the right plugs for the job. They help power millions of small engines, including mowers, tractors, and similar small engine machines
CHOOSE CONSISTENT COMBUSTION: The Champion Copper Plus SME Spark Plug employs a copper-core center electrode and patented SAC-9 semiconductor resistor to produce complete and efficient combustion over the life of the spark plug. The Ultraseal-coated shell reliably withstands soot and offers superior etching tolerance, ensuring long-lasting sparking capabilities and dependable performance and durability
RELY ON QUALITY SPARK PLUGS: Champion ignition parts keep engines running at their best. Their spark plug catalog provides a diverse set of spark plug types to meet modern engine demands for long-lasting, powerful performance. Built with durable precious metals, Champion Spark Plugs improve performance without the same wear and tear found in competitor plugs
TRUST IN CHAMPION: Champion has powered more racing legends and won more races than any other spark plug brand. All that success at the track translates to more innovation and a more reliable spark plug for you. With years of expertise in engineering and manufacturing OE components for major automotive manufacturers, Champion understands the importance of a seamless OE-quality replacement part. Their spark plugs adhere to the toughest industry standards for a better fit and longer plug life
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| McCarty Motors | 9.81 | ❌ | ❌ | ❌ |
Specs: Spark Plug, Packaging type: OEM package, Plug Type: Resistor, Notes: Boxed individually, Ceramic insulator provides better insulation/heat dissipation, heat shock resistance and mechanic performance
Replaces OEM Numbers: : 20001246, Champion: RN11YC, 751-10292, 951-10292, 951-10292A, OCC-751-10292, LCTSK2083810.1, SK2911550.1, MTD: 751-10292, 951-10292, 951-10292A, NGK: BPR6ES, Torch: F6RTC
Compatible With/Replacement For: Path-Pro
1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. But in a rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you, contact us for a replacement.
100% New Aftermarket Spark Plug built to meet OEM specifications
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Jdanby | 4.15 | ✅ | ✅ | ✅ |
FOR OPTIMAL PERFORMANCE: Spark plug that fits a variety of 2- and 4-cycle engines, designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions
PATENTED TECHNOLOGY: DiamondFIRE features a unique design with an edge-to-edge spark path, which allows replenishment of the spark zone with a fresh fuel/air charge
INCREASED DURABILITY: Near elimination of performance inhibiting carbon deposits, which dramatically extends the life of the spark plug
WHAT'S INCLUDED: One (1) E3.10 spark plug with a limited lifetime warranty. Features 14mm thread diameter; 0.375-inch thread reach plug with gasket seat; 13/16-inch hex size
REPLACES: Champion J17LM, J19LM, J8C, RJ17LM, RJ19LM, RJ8C, and 5861; NGK B2LM, B4LM, B6S, BR2LM, and BR4LM. Often used in lawnmowers
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
FOR OPTIMAL PERFORMANCE: Spark plug that fits a variety of 4-cycle engines, designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions
PATENTED TECHNOLOGY: DiamondFIRE features a unique design with an edge-to-edge spark path, which allows replenishment of the spark zone with a fresh fuel/air charge
INCREASED DURABILITY: Near elimination of performance inhibiting carbon deposits, which dramatically extends the life of the spark plug
WHAT'S INCLUDED: One (1) E3.22 spark plug with a limited lifetime warranty. Features 14mm thread diameter; 0.750-inch thread reach plug with gasket seat; 13/16-inch hex size
REPLACES: Champion N9YC, N11YC, N12YC, RN9YC, RN11YC, RN12YC; NGK B5EB-11, B5ES, BP5ES, BP6ES, BPR7ES, BPR5ES, BPR6ES, BPR7ES, BR5ES
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| E3 Spark Plugs | 4.95 | ❌ | ❌ | ❌ |
High performance racing spark plug for a variety of applications, specifically designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions
E3's patented DiamondFIRE edge-to-edge electrode provides maximum performance with increased efficiency, and a faster more complete burn
Faster flame propagation initiated by ground electrode results in a more complete burn of the fuel and air mixture for smoother acceleration and idle
Includes one (1) E3.111 spark plug with a limited lifetime warranty
Crosses with Autolite AR3931; Champion 293, 765, C53C, C53CX, C55C, C55CX; and NGK 6596, R5671-11
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
High performance engine spark plug for a variety of powersport applications, specifically designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions
E3's patented DiamondFIRE edge-to-edge electrode provides maximum performance with increased efficiency, and a faster more complete burn
Proprietary electrode design presents multiple sharp edges to the center electrode providing maximum performance for longer life of this premium spark plug
Includes one (1) E3.33 spark plug with a limited lifetime warranty
Crosses with Champion RC9YC, RC12YC, RC14YC; and NGK BKR5E11, BKR5ES, BKR6E11, BKR6ES, IFR5L11
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| NorthEast Cycle Shop | 9.58 | ❌ | ❌ | ❌ |
FOR OPTIMAL PERFORMANCE: Spark plug that fits a variety of 2- and 4-cycle engines, designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions
PATENTED TECHNOLOGY: DiamondFIRE features a unique design with an edge-to-edge spark path, which allows replenishment of the spark zone with a fresh fuel/air charge
INCREASED DURABILITY: Near elimination of performance inhibiting carbon deposits, which dramatically extends the life of the spark plug
WHAT'S INCLUDED: One (1) E3.12 spark plug with a limited lifetime warranty. Features 14mm thread diameter; 0.375-inch thread reach plug with gasket seat; 3/4-inch hex size
REPLACES: Champion CJ4, CJ6,CJ6Y, CJ7Y, CJ8, RCJ4, RCJ6, RCJ6Y, RCJ7Y, RCJ8, and 5843; NGK BM6A, BM6Y, BM7A, BM7Y, BMR6A, BMR7A, BPM7A, BPM7Y, BPMR6A-10, and BPMR7A
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Platinum Power- Premium Spark Plug. Powerful Performance.
Platinum center electrode for long life
Fine-wire center electrode for greater ignitability
V-trimmed ground electrode promotes sharper spark focus
Heat-Active alloy allows electrodes to reach optimal temperature
Platinum tipped center wire inhibits wear and helps to maintain proper gap spec over life of the plug
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Premier Shipping Fast | 9.93 | ✅ | ✅ | ✅ |
High performance engine spark plug for a variety of powersport applications, specifically designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions
E3's patented DiamondFIRE edge-to-edge electrode provides maximum performance with increased efficiency, and a faster more complete burn
Proprietary electrode design presents multiple sharp edges to the center electrode providing maximum performance for longer life of this premium spark plug
Includes one (1) E3.38 spark plug with a limited lifetime warranty
Replaces Champion G57C, G59C; and NGK CR7E, CR8E, CR9E
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Performance Parts Racing | 9.66 | ❌ | ❌ | ❌ |
FOR OPTIMAL PERFORMANCE: Spark plug that fits a variety of 4-cycle engines, designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions
PATENTED TECHNOLOGY: DiamondFIRE features a unique design with an edge-to-edge spark path, which allows replenishment of the spark zone with a fresh fuel/air charge
INCREASED DURABILITY: Near elimination of performance inhibiting carbon deposits, which dramatically extends the life of the spark plug
WHAT'S INCLUDED: One (1) E3.18 spark plug with a limited lifetime warranty. Features 14mm thread diameter; 0.750-inch thread reach plug with gasket seat; 13/16-inch hex size
REPLACES: Champion N3C, N4C, N7YC, RN3C, RN4C, and RN7YC; NGK B5EB, B6EB, B6ES, B6EV, B7EB, BR6EB, BR6ES, BR7EB, BUR6ES-11, and BUR7EB-11
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
FOR HIGH-PERFORMANCE ENGINES: Motorcycle spark plug for a variety of powersport applications, specifically designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions
PATENTED TECHNOLOGY: DiamondFIRE ground electrode is secured to the shell with 2 legs that help facilitate optimal heat transfer and withstand the intense vibration of powersport engine applications
IMPROVED STARTS: Patented Edge-to-Edge design concentrates spark energy, which results in quick and easy starts in any conditions
WHAT'S INCLUDED: One (1) E3.34 spark plug with a 90-day warranty. Features 14mm thread diameter; 0.750-inch thread reach plug with gasket seat; 13/16-inch hex size
REPLACES: Champion RN9YC, RN11YC, and RN12YC; NGK BPR5ES, BPR6ES, BPR7ES, and BR5ES
Fit type: Universal Fit
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| HuiZeKaiUS | 9.84 | ✅ | ✅ | ✅ |
Replace for Champion RJ19LM J19LM (868)
Replace for Briggs & Stratton 796112 802592 5095K
Package include 2 spark plugs
To ensure the optimal performance of your engine, please verify your engine's model and part numbers before ordering the parts.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
High performance engine spark plug for a variety of powersport applications, specifically designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions
E3's patented DiamondFIRE edge-to-edge electrode provides maximum performance with increased efficiency, and a faster more complete burn
Proprietary electrode design presents multiple sharp edges to the center electrode providing maximum performance for longer life of this premium spark plug
Includes one (1) E3.32 spark plug with a limited lifetime warranty
Crosses with Champion L78C, L82C, RL82YC; and NGK B6HS, B7HCS, B7HS, B8HS, B9HS
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| H-TANG | 9.85 | ✅ | ✅ | ✅ |
RC12YC SPARK PLUG REPLACE for champion rc12yc 2829 71-1711, for John Deere M78543.
Replace for Briggs and Stratton 491055, 491055S, 491055T, 499608, 5066, 72347GS, 792015, 805015, 692051, 694385.
FIT FOR KOHLER 12 132 02, 12 132 02-S, 12 132 01-S, 25 132 12-A, 25 132 12-S, 24 132 01-S.
REPLACE FOR ARIENS 21525900, 08811700, 21536800, 21534100, 21531100, 21537800; Gravely 21531100, 21534100, 21536800; MTD CC 759-3336; Husqvrana 531308128.
FUNCTION OF RC12YC SPACK PLUG -- The spark plug adopts copper core electrode. The copper core central electrode can accurately control the thermal range of the spark plug, optimize the performance of the spark plug and prolong the service life of the spark plug. Spark plugs offer reliable performance and durability, superior corrosion resistance and longer service life. Please rest assured to buy!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| HARVARD MARINE | 9.64 | ❌ | ❌ | ❌ |
Double Platinum Power - Premium Spark Plug. More Powerful Performance.
Platinum center and ground electrode to inhibit wear
Maintains stable operating temperature under all engine loads
Fine-wire center electrode for greater ignitability
V-trimmed ground electrode promotes sharper spark focus
Heat-Active alloy allows electrodes to reach optimal temperature
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| PHENTER SALES | 9.78 | ❌ | ❌ | ❌ |
Utilizes EZ Start technology
EZ Start booster gap delivers max voltage at gap where its needed most
Patented rib core nose design optimizes spark energy and runs cleaner
Fine wire center and ground electrodes concentrate spark energy for easier starting
Champion EZ Start spark plugs deliver faster starting and peak performance for small engines.
EZ Start technology; fine wire center and ground electrodes concentrate spark energy for easier starting
Patented rib core nose design optimizes spark energy and runs cleaner
Reduces carbon build-up improving engine performance and reducing emissions
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon Global Store UK | 0.00 | ❌ | ❌ | ❌ |
Plugs easy to replace: factory-pre-set electrode gap, no adjustment necessary, important instructions for installation, e.g. the correct tightening torque, can be found on the packaging, Bosch advises not to lubricate the thread
Start gardening season confident even after winter break: high reliability and excellent cold start behaviour
High wear resistance and robustness: special ceramic material with high dielectric and mechanical strength
Supports an optimum engine performance for your gardening tools: smooth engine operation for applications like lawn mowers, chain saws, grass cutters, etc
Corrosion protection: outstanding engine protection due to anti-seize nickel-plated housing and thread.Please check the list of equivalency to find out for which application of your gardening tools the spark plug can be used.Compatible with: Champion RCJ8; TJ8J; CJ6; CJ8; CJ11 / Denso W20M-U / NGK BM6; BM6A; BMR6A
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| E3 Spark Plugs | 6 |
| Champion | 4 |
| E3 | 3 |
| Bosch | 1 |
| Championn | 1 |
| Johahtang | 1 |
| Powtol | 1 |
| Stens | 1 |
We've carried out a comprehensive analysis of 7,864 reviews on performance spark plugs, using our selection criteria to identify the best options in the automotive replacement parts. Our findings reveal that most customers typically select performance spark plugs priced around $10.82, with top brands including adp, ngk, jectam, aip electronics, autolite, bosch automotive, edelbrock, acdelco and xinpengliu and e3 spark plugs
Our team of expert editors reviewed these high-quality items and handpicked the top 18 performance spark plugs for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the automotive replacement parts category. These include auto dianke parts, gparts, amazon.com, jectam, kesslo, aip electronics, versure, overstockdirect and jbf trading and xinpengliu .
We are dedicated to assisting our users in finding the right plugs Products based on their needs, saving them considerable time when choosing which performance spark plugs to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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