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If you own a 1998-2002 Honda Accord, properly chosen spark plugs make a noticeable difference in starting, idle quality, and fuel efficiency. Worn or incorrect plugs often cause rough idle, hesitation, and increased fuel use that affect daily driving. This guide covers the top spark plug options shortlisted for the 1998-2002 Accord chassis, explains the reasons behind those selections, and outlines the factors that matter when you replace plugs.The selections below focus on real-world durability, consistent ignition performance, and correct heat range for the Accord engines produced in this era. Read on to see the evaluation criteria and practical tips for installation and maintenance before you choose replacement plugs.
Looking for other parts? See all Honda Accord parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | Sixity Auto NGK Iridium IX Spark Plugs, 4-Pack |  |
| Best Quality Built to a higher standard if you want something more solid | Sixity Auto 4-Pack DENSO Iridium TT Spark Plugs (compatible with Honda Accord 2.2L/2.4L 1996–2007) |  |
| Best Value The sweet spot between price and what you get | A-Premium Iridium Platinum Spark Plugs — Pack of 6 |  |
| Best Budget The cheapest option that still gets the job done reliably | MAXWIN Spark Plug (single) — Copper Core, Nickel Top |  |
| Highest Rated A top-rated pick with lots of positive feedback | NGK G-Power Platinum Spark Plug ZFR5FGP (4-Pack) |  |
| Most Popular A crowd favorite that many people choose with confidence | NGK BKR5EGP G-Power Nickel Spark Plug — Pack of 4 |  |
| Best Seller A high-volume bestseller chosen again and again | Sixity Auto 4-Piece NGK V-Power Compatible Spark Plugs for Honda Accord 2.2L/2.3L (1990–2002) |  |
1. Sixity Auto NGK Iridium IX Spark Plugs, 4-Pack
| Unit Count | 4.0 Count |
|---|---|
| Gap Size | 0.04 Inches |
| Core Material | Iridium |
These NGK Iridium IX spark plugs are a direct replacement set intended for 1990–2002 Honda Accord 2.2L and 2.3L four-cylinder engines and are sold in a four-pack. In everyday use they replace worn factory plugs to restore reliable starting, smoother idle, and consistent combustion under normal driving. The iridium center and tapered-cut ground electrode are designed to improve ignitability and longevity compared with standard copper plugs, while the high-copper core helps transfer heat for stable operation. Installation is straightforward for anyone with basic tools and the correct socket and torque; the plugs come pre-gapped to 0.04 inches which reduces initial setup. Practical benefits include fewer misfires, better throttle response after replacement, and longer service intervals versus non-iridium plugs. Limitations are typical of performance-focused iridium plugs: they cost more than basic replacements and will not by themselves fix ignition-system issues like worn coils or wiring. Also confirm exact year and engine fitment before installation to ensure compatibility.
Best for: Buyers seeking a balanced, longer-lasting replacement that restores smooth daily driving and reliable ignition for late 1990s to early 2000s Accord four-cylinder engines.
Less Ideal for: If you need the cheapest short-term fix or are troubleshooting deeper ignition or engine management problems, these plugs are not a standalone solution.
- Iridium center electrode and tapered-cut ground electrode improve ignitability and extend service life
- Pre-set gap of 0.04 inches reduces the need for initial adjustment during installation
- 98 percent copper core promotes efficient heat transfer for stable combustion
- Sold as a four-pack to replace all cylinders at once for consistent performance
- Higher cost compared with basic copper spark plugs
Verdict: A durable, ignition-focused replacement set that delivers improved ignitability and longer service life for 1998–2002 Accord four-cylinder engines.
2. Sixity Auto 4-Pack DENSO Iridium TT Spark Plugs (compatible with Honda Accord 2.2L/2.4L 1996–2007)
| Unit Count | 4.0 Count |
|---|---|
| Core Material | Iridium |
| Top Material Type | Iridium, Platinum |
| Gap Size | 0.04 Millimeters |
These DENSO Iridium TT spark plugs are sold as a 4-pack and deliver the high-energy spark and durability performance drivers expect from iridium-tipped plugs. They use DENSO's twin-tip design with a fine iridium center and a platinum/titanium-enhanced ground tip to produce a larger, more consistent spark that improves throttle response and can help fuel economy under real driving conditions. Installation is the same as any direct-replacement plug for the specified Accord engines and they are intended for routine tune-up use and higher-stress conditions like heavier loads or mild forced induction. The practical benefits are longer service life compared with standard copper plugs and steadier idle and combustion under varied engine loads. Limitations are that fitment is specific to certain Accord model years and four-cylinder displacements, so buyers must confirm compatibility for their exact year and trim, and performance gains will be incremental rather than dramatic on otherwise stock engines.
Best for: Drivers looking for a performance-minded, longer-lasting replacement plug for a 1998–2002 Honda Accord four-cylinder who prioritize improved throttle response and steady combustion.
Less Ideal for: People wanting large horsepower gains without other supporting engine modifications or owners of Accord engines outside the listed 2.2L/2.4L four-cylinder fitment range.
- Iridium center electrode and platinum/titanium-enhanced ground tip for strong, consistent spark
- Twin-tip design intended to improve throttle response and fuel efficiency compared with standard plugs
- Sold as a 4-pack for complete cylinder coverage and straightforward tune-up replacement
- Designed as a vehicle-specific fit for Honda Accord 2.2L and 2.4L four-cylinder engines
- Compatibility limited to specific Accord years and four-cylinder engines, requiring fitment confirmation
Verdict: Choose these DENSO Iridium TT plugs if you want a durable, performance-oriented direct replacement that sharpens throttle response and holds up longer than standard plugs in a 1998–2002 Honda Accord four-cylinder.
3. A-Premium Iridium Platinum Spark Plugs — Pack of 6
| Thread Size | M14 x 1.25 mm |
|---|---|
| Gap Size | 0.8 Millimeters |
| Compatible with Vehicle Type | Car |
| Core Material | Platinum |
| Top Material Type | Iridium |
These A-Premium spark plugs pair an iridium center electrode with a platinum core to deliver longer service life and stronger ignition than basic copper plugs. They come gapped to 0.8 mm and use an M14 x 1.25 thread to match the factory-style fit for many late 1990s and early 2000s Honda and Acura V6 engines. In normal use they replace worn plugs to restore smoother idle, crisper throttle response, and more consistent starting. The preset gap and vehicle-specific fit mean most DIYers can install them without custom gapping, and the six-pack covers a full V6 tune-up. Limitations to consider are that compatibility is vehicle-specific so reach and insulator dimensions should be checked against your engine before buying, and higher-end branded equivalents may offer longer proven life or tighter quality control. These plugs are a practical midrange option for drivers who want improved ignitability and longevity over stock copper plugs without paying a premium for name-brand iridium sets.
Best for: Buyers who want a cost-effective, longer-lasting spark plug upgrade that restores drivability and is straightforward to install during routine maintenance.
Less Ideal for: Shop technicians or owners seeking the absolute longest-life, top-tier branded iridium plugs or those who need plugs for engines not listed in the vehicle fitment should consider other options.
- Iridium center tip for improved ignitability and fuel burn compared with copper plugs
- Platinum core for extended service life versus standard plugs
- Preset 0.8 mm gap reduces installation prep for most users
- Pack of six supplies a full V6 replacement set
- Fitment is vehicle-specific so incorrect reach or insulator height on non-listed engines can cause problems
Verdict: A practical, vehicle-specific iridium-platinum six-pack that gives a noticeable drivability upgrade for late 1990s–early 2000s Honda and Acura V6 engines without a premium price.
4. MAXWIN Spark Plug (single) — Copper Core, Nickel Top
| Core Material | Copper |
|---|---|
| Top Material Type | Nickel |
| Compatible with Vehicle Type | Car |
| Manufacturer Part Number | MAX6224 |
This MAXWIN spark plug is a basic replacement unit built around a copper center core with a nickel top and an iridium tip on the center electrode. It is designed to restore reliable ignition in engines that use the same electrode configuration and fits a range of older cars, including the 1998–2002 Honda Accord 2.3L when matched to the correct VIN and plug type. In practical use the copper core conducts well for consistent firing and the nickel top provides standard durability for everyday driving. The listed iridium tip should help stable spark performance compared with plain nickel-only tips, which can improve starting and reduce misfires on worn engines. This is a straightforward, budget-oriented part with factory-style materials aimed at routine maintenance rather than extended service intervals. Expect typical replacement lifespans for copper-based plugs and choose OEM-equivalent gap and torque when installing to avoid drivability issues.
Best for: A buyer who wants an affordable, factory-style replacement to restore reliable starting and smooth idle on an older Accord and prioritizes upfront value over maximum longevity.
Less Ideal for: Drivers seeking the longest-lasting high-mileage spark plugs or those who want a premium iridium or platinum upgrade for extended service intervals should consider higher-end options.
- Copper center core provides good conductivity for consistent ignition
- Iridium center electrode tip for more stable spark than plain nickel tips
- Packaged as single units so you can replace only the worn plugs you need
- Copper-core plugs typically have shorter service life than full platinum or iridium designs
Verdict: A cost-conscious, factory-style replacement spark plug that restores reliable ignition on older Accords without the premium lifespan of full iridium or platinum designs.
5. NGK G-Power Platinum Spark Plug ZFR5FGP (4-Pack)
| Core Material | Platinum |
|---|---|
| Thread Size | 14 millimeters |
| Automotive Fit Type | Vehicle Specific Fit |
| Gap Size | 0.75 Inches |
These NGK G-Power platinum spark plugs are a factory-quality replacement aimed at improving ignition consistency and longevity in compatible four-cylinder engines. They use a fine pure-platinum center electrode that resists wear and reaches self-cleaning temperatures, which helps maintain a stable spark over many miles. Typical use is direct replacement during tune-ups to restore crisp starting, smoother acceleration, and potentially modest fuel economy gains compared with older conventional plugs. Notable features include a copper core for heat transfer, a projected ceramic insulator for reliable firing, and a trapezoid-cut ground electrode to reduce quenching. Practical benefits are reduced maintenance frequency and steady performance in daily driving and highway use. Limitations are that these are a vehicle-specific fit and not a high-performance iridium option, so drivers seeking maximum longevity or racing-level performance may prefer premium alternatives. Installation is straightforward for anyone comfortable with basic spark plug replacement.
Best for: Buyers who prioritize dependable, factory-quality replacements that restore reliable starting and steady day-to-day performance with less frequent plug changes.
Less Ideal for: Drivers seeking the absolute longest service life or top-tier performance for modified or high-output engines should consider higher-end iridium or specialty race plugs instead.
- Platinum fine-wire center electrode for extended life compared with standard plugs
- Copper core and projected ceramic insulator for improved heat transfer and reliable ignition
- Trapezoid-cut ground electrode reduces quenching for more consistent combustion
- Corrosion-resistant plating and triple seals to prevent leakage and seizing
- Not the longest-lasting option compared with iridium spark plugs
- Vehicle-specific fit required so must match engine application
Verdict: A reliable, factory-quality platinum spark plug set that restores consistent starting and reduces replacement frequency for everyday driven Accords.
6. NGK BKR5EGP G-Power Nickel Spark Plug — Pack of 4
| Core Material | Platinum |
|---|---|
| Top Material Type | Nickel |
| Thread Size | 14 millimeters |
| Automotive Fit Type | Vehicle Specific Fit |
NGK G-Power BKR5EGP spark plugs are a factory-style nickel plug intended for routine replacement in compatible late 1990s and early 2000s vehicles. They use a v-groove center electrode and a 98% copper core to improve ignitability and move heat away from the tip, which helps stable starting and consistent combustion under normal driving. The plugs include cold-rolled threads to reduce cross-threading and trivalent plating so anti-seize is not required, simplifying installation. In everyday use these plugs deliver smooth idle, predictable throttle response, and modest fuel-efficiency improvements compared with worn plugs. They are not a high-end iridium or ruthenium performance upgrade, so drivers looking for maximum longevity or marginal power gains will prefer a precious-metal option. Fitment is vehicle-specific so confirm the BKR5EGP is recommended for your 1998–2002 Honda Accord engine and gap settings before installation.
Best for: A buyer who values reliable, well-documented replacements backed by widespread positive user feedback and wants a straightforward, OEM-style swap for routine maintenance on a 1998–2002 Accord.
Less Ideal for: Drivers seeking maximum service life or peak performance gains should consider iridium or ruthenium plugs instead rather than this nickel-based option.
- Factory-style design that matches common replacement specs
- Copper core with v-groove electrode for improved ignitability and heat dissipation
- Cold-rolled threads and trivalent plating reduce installation issues and eliminate anti-seize
- Pack of four covers a typical four-cylinder tune-up
- Nickel construction is less long-lived than iridium or ruthenium alternatives
Verdict: Choose these NGK G-Power plugs if you want a dependable, factory-style replacement with easy installation and proven real-world reliability for a 1998–2002 Accord.
7. Sixity Auto 4-Piece NGK V-Power Compatible Spark Plugs for Honda Accord 2.2L/2.3L (1990–2002)
| Compatible with Vehicle Type | Honda Accord 2.2L L4 and 2.3L L4 (1990-2002) |
|---|---|
| Automotive Fit Type | Vehicle Specific Fit |
| Gap Size | 0.04 Inches |
| Core Material | Copper |
These spark plugs are a vehicle-specific replacement intended to restore reliable ignition on older Honda Accord 2.2L and 2.3L four-cylinder engines. The plugs use a copper core with a precision-welded V-groove center electrode and nickel outer electrode to promote consistent spark development and efficient heat transfer, which helps smooth idling and maintain drivability on higher-mileage cars. They come pre-gapped to 0.04 inches for direct fit installation and are sold in a four-pack for a full-cylinder change. Practical benefits include straightforward installation without modification and the economy of copper construction for routine maintenance. Limitations are that copper plugs wear faster than platinum or iridium alternatives, so they will need replacement more often on vehicles driven long distances between services. Also these are marketed as a compatible NGK V-Power style part rather than an OEM-branded plug, so buyers wanting factory-branded components may prefer a different listing.
Best for: Buyers who want a direct-fit, budget-friendly replacement to restore dependable ignition on an older Honda Accord and prioritize straightforward installation and routine maintenance.
Less Ideal for: Drivers seeking maximum long-term life or the highest performance gains should consider platinum or iridium plugs or factory-branded parts instead.
- Vehicle-specific fit for 1990–2002 Honda Accord 2.2L and 2.3L L4 engines simplifies selection and installation
- Copper core with laser-welded V-groove electrode promotes good ignitability and heat transfer for stable running
- Pre-gapped to 0.04 inches so plugs are ready to install out of the box
- Sold as a four-pack to replace all cylinders at once
- Copper construction is less durable than platinum or iridium and will require more frequent replacement
Verdict: A practical, direct-fit four-pack that restores reliable ignition on older 1998–2002 Accord four-cylinder engines at an economical price.
Choosing the Right 1998-2002 Honda Accord Spark Plug: Key Factors to Consider
Electrode Material and Longevity
Electrode composition influences how long a spark plug will last and how stable the spark remains over time. Iridium and platinum alloys resist wear better than standard copper cores, keeping the gap consistent and reducing misfire risk as mileage accumulates. That improved longevity means longer service intervals and fewer replacements, which can be meaningful for owners who log highway miles.
Copper-core plugs often provide strong initial spark energy but wear faster, which can lead to wider gaps and degraded ignition performance on older Accords. Choosing a material that balances cost and durability will affect maintenance intervals and how the engine performs under varied driving conditions.
Correct Heat Range
Heat range determines how quickly a plug transfers combustion heat into the cylinder head and whether it runs hot or cold in service. A plug that is too hot can cause pre-ignition and premature electrode wear, while one that is too cold can foul with deposits and lead to misfires. For the 1998-2002 Accord, selecting a heat range appropriate for typical street driving and the engine's compression characteristics is essential.
Consider your driving style and local climate when selecting heat range. Frequent highway driving and high load use tolerate slightly hotter plugs, while short-trip, cold-weather driving benefits from plugs that clear deposits more readily. Always stay within manufacturer-recommended ranges unless you have a documented reason to deviate.
Correct Thread Size and Reach
Thread diameter, pitch, and reach must match the engine's specifications to avoid thread damage or improper sealing. Using a plug with incorrect reach can cause contact with the piston or fail to center the electrode in the combustion chamber, both of which risk severe engine damage. For the 1998-2002 Accord, confirm the factory thread and reach specs before buying replacement plugs.
Proper seating and torque are important for heat transfer and sealing. A plug that does not seat properly will not cool as intended and may lead to combustion leaks or altered heat behavior, which reduces reliability and can trigger a check engine condition or misfire symptoms.
Spark Gap Stability and Pre-Gapping Needs
The initial electrode gap affects ignition timing and combustion efficiency. Some high-performance electrode designs come with a factory gap, while others require pre-gapping to the Accord's specification. Over time, electrodes wear and the gap can widen; materials that resist wear keep the gap stable longer.
When changing plugs, check the gap with a feeler gauge and adjust if necessary. If you plan to reuse ignition coils or wires, ensure the chosen plug maintains a stable gap under the Accord's operating voltages to avoid weak spark and intermittent misfires.
Compatibility With Stock Ignition Components
The 1998-2002 Accord uses specific ignition coil and wire characteristics; replacement plugs should play well with the stock system. Some plug types demand higher firing voltage or are optimized for performance coils. Using a plug that requires different ignition energy can increase stress on coils or cause erratic firing on older systems.
Choose plugs that match the ignition system's expected resistance and firing voltage ranges. If you plan to keep stock coils and wires, prefer plug types that are known to work reliably without altering coil load or requiring additional ignition upgrades.
Deposit Resistance and Real-World Durability
Engine deposits from fuel additives, oil seepage, and combustion byproducts can foul electrodes over time and cause cold-start misfire symptoms or rough idle. Electrode designs and surface finishes that resist buildup help maintain reliable ignition in the 1998-2002 Accord.
Durability in the presence of deposits reduces the need for frequent inspection and cleaning. Consider the typical fuel quality and maintenance history of your car when choosing plugs, since a well-sealed combustion chamber and correct valve cover gasket condition also influence how quickly deposits form.
How To Identify Spark Plug Symptoms On Your Accord
Understanding common ignition symptoms helps you decide whether a plug change is necessary. Typical indicators include rough idle, hesitation during acceleration, difficulty starting when cold, and reduced fuel economy. These symptoms can point to spark plugs but may also stem from ignition coils, fuel delivery, or vacuum leaks.
Check the engine for diagnostic trouble codes and observe how the car behaves during a cold start and under load. If misfire codes or consistent cylinder-specific faults show up, inspecting the plugs and their condition is a practical first diagnostic step.
- Rough idle that improves after warming up may indicate fouled plugs.
- Difficulty starting in cold weather often correlates with plugs that are too cold or heavily fouled.
- Intermittent hesitation under acceleration can come from a weakened spark gap or worn electrode.
Recommended Maintenance Intervals for 1998-2002 Accord Plugs
Service intervals depend on electrode material and driving conditions. Copper plugs typically need replacement more frequently, while platinum or iridium variants extend interval lengths. Inspect plugs visually at regular tune-up intervals and follow torque and gap checks during each service.
If the vehicle experiences frequent short trips, heavy idling, or oil consumption, plan on earlier inspection. Keeping a simple record of mileage and plug condition at each change helps determine the optimal replacement cadence for your Accord.
- Inspect plugs every 30,000 miles if unsure of previous service history.
- Consider longer intervals for iridium/platinum plugs if the plug shows minimal wear and deposits are controlled.
How To Change Spark Plugs On a 1998-2002 Accord
Changing spark plugs on this Accord generation is a straightforward maintenance task but requires care. Work on a cool engine, disconnect the negative battery terminal if you will be handling ignition components, and remove ignition coils or wires according to the engine layout. Use a proper spark plug socket, extension, and a torque wrench to avoid over- or under-tightening.
Clean the plug wells before removal to prevent debris from falling into the combustion chamber. Verify thread engagement and use anti-seize sparingly only if the manufacturer recommends it. After installation, check that wires or coil connectors seat fully and perform a quick test start to confirm smooth operation.
- Always gap new plugs to the factory specification if they are not pre-gapped.
- Torque plugs to the specified value rather than relying on hand-tightening.
- Replace ignition boots or wire ends if they show cracking or excessive wear.
Spark Plug Heat Range and Climate Considerations
Select a heat range that matches your usual climate and driving patterns. In colder climates, plugs that run slightly hotter can help prevent fouling during short trips. In hot, high-load conditions, avoid overly hot plugs to reduce risk of pre-ignition. The right balance keeps combustion stable across temperatures and load scenarios.
If you have modified the engine or operate under sustained heavy loads, consult heat range guidance for those conditions rather than default street specs. Most owners operating stock engines will be best served by plugs within the manufacturer-recommended heat range.
- Short-trip urban driving favors plugs that clear deposits effectively.
- Frequent highway driving allows for plugs with higher thermal capacity.
Tips For Long-Term Reliability
Keep the ignition system healthy by periodically checking coil boots, wires, and connectors. Replace components that show signs of arcing, cracking, or excessive resistance. Use quality connectors and keep electrical contacts clean to maintain consistent firing voltage and reduce stress on the plugs.
Monitor oil consumption and valve cover gasket condition to prevent oil fouling of the spark plugs. Regular tune-ups and attention to engine seals reduce the risk of premature plug failure and maintain engine smoothness over time.
- Record plug changes and observations to identify trends in wear or deposits.
- Address underlying issues such as oil leaks or rich running conditions rather than repeatedly replacing fouled plugs.
Still looking for the perfect fit?
Select your Honda Accord configuration to see the most relevant Spark Plugs recommendations
How We Chose the Best 1998-2002 Honda Accord Spark Plug
We prioritized criteria that directly affect ignition quality and long-term reliability on 1998-2002 Honda Accord engines. Core evaluation points included electrode material and wear resistance, because material type determines service life and how consistently the plug maintains a stable spark. We examined recommended heat range and thermal characteristics to ensure plugs dissipate heat appropriately for the Accord's combustion conditions. Ignition performance under typical driving loads and cold starts was assessed to capture real-world starting and throttle response. Fitment and specification accuracy mattered; only plugs matching the factory thread size, reach, and torque requirements were considered. Durability in the presence of common fuel and oil residues was another filter, since these engines often accumulate deposits over time. Finally, we looked for plugs that maintain a stable gap over long intervals and are easy to gapped or pre-gapped as needed.We excluded any plug options that did not match the physical fit or thread engagement required by 1998-2002 Accord engines, as well as specialty race-only designs with inappropriate heat ranges for street use. The shortlist reflects products that balance ignition consistency, longevity, and serviceability for everyday driving and routine maintenance.
Our full evaluation process is outlined in our review methodology.
FAQ
How do I know the correct spark plug gap for my 1998-2002 Accord?
The correct gap is found in the vehicle service manual or factory specifications. Gapping may vary slightly by engine and ignition system, and new plugs should be checked with a feeler gauge and adjusted if necessary before installation.
Can I switch to iridium or platinum plugs on my Accord?
Switching to plugs with more durable electrodes is common and often extends service intervals. Ensure the replacement uses the correct thread, reach, and heat range for the 1998-2002 Accord and that the plug is gapped to spec.
What causes a cold start misfire on these Accords?
Cold-start misfires can result from fouled plugs, low compression, weak ignition coils, or fuel delivery issues. If plugs are old or heavily deposited, replacing them and checking ignition components is a sensible first step.
How tight should I torque the spark plugs?
Use the factory-recommended torque value for the specific engine. Proper torque ensures correct sealing and heat transfer. Over-torquing risks thread damage while under-torquing can cause poor heat dissipation.
Do I need to replace ignition wires or coils when I change plugs?
Not always. Inspect wires and coil boots for cracking, corrosion, or excessive resistance. Replace them if they show wear or if misfires persist after installing new plugs.
How often should I visually inspect the spark plugs?
A visual inspection during routine tune-ups or every 30,000 miles is a good baseline, with earlier checks if you notice ignition issues, oil consumption, or fuel economy loss.
Final Verdict
When choosing spark plugs for a 1998-2002 Honda Accord, prioritize correct thread fit, heat range, and electrode material to balance starting performance and longevity. Check and set the spark gap to factory specs and ensure the plugs are compatible with the Accord's stock ignition components. Regular inspection and addressing underlying issues such as oil leaks or weak coils will protect your investment and keep the engine running smoothly.Focus on reliability and correct specifications rather than exotic features. That approach will deliver the clearest gains in starting behavior, idle quality, and long-term maintenance convenience for your Accord.
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