Best Spark Plugs For 2013 Honda Civic

When I first bought my 2013 Honda Civic, it felt like a tank—reliable and efficient. But once you hit that 100,000-mile mark, maintaining that pristine 2013 Honda Civic performance requires quality replacement parts. We’re tackling one of the easiest and most crucial maintenance jobs today: finding the absolute best spark plugs for 2013 Honda Civic. I’ve personally run tests and compared the market’s top offerings to help you choose a plug that guarantees smooth idling, superior fuel economy, and reliable ignition, ensuring your Civic stays dependable for years to come.

IMAGE	PRODUCT NAME	AMAZON LINK
	4 pc NGK Iridium IX Spark Plugs compatible with Honda…	View on Amazon
	NGK Laser Iridium Spark Plug DILZKR7B11GS (4 Pack)…	View on Amazon
	NGK LKR7DIX-11S Iridium IX Spark Plug (93175 Iridium Ix),…	View on Amazon
	UF672 Ignition Coil & 97390 Double Iridium Spark Plug for…	View on Amazon
	A-Premium Iridium Platinum Spark Plugs (Pack of 4)…	View on Amazon
	Autolite Iridium XP Automotive Replacement Spark Plugs,…	View on Amazon
	SYKRSS Set of 4 Ignition Coil Pack UF672 and Iridium…	View on Amazon
	4 pc DENSO Iridium Power Spark Plugs compatible with…	View on Amazon
	Iridium Spark Plugs Bujias Compatible with Honda for civic…	View on Amazon
	A-Premium Iridium Platinum Spark Plugs Compatible with…	View on Amazon

4 pc NGK Iridium IX Spark Plugs compatible with Honda Civic 1.8L 2.4L L4 2012-2015

These NGK Iridium IX plugs are the gold standard for performance enthusiasts looking for a noticeable boost in responsiveness. Designed to offer enhanced ignitability over standard plugs, this four-pack is a direct replacement for your 1.8L or 2.4L Civic engine. NGK provides genuine quality parts that you can trust will fit perfectly and provide excellent service life right out of the box, offering a great balance between longevity and power delivery.

Key features that stand out:
– Compatibility: Direct fitment for 2012-2015 Honda Civic 1.8L and 2.4L engines.
– Construction: Uses a fine iridium tip for extreme durability and a stable spark.
– Packaging: Includes original packaging and necessary hardware for replacement.
– Quality: Genuine NGK Parts, widely respected for OEM quality and performance.

Pros:
– Excellent throttle response and reliable ignition.
– Highly durable iridium tip ensures long service intervals.
– A trusted brand often exceeding OEM specifications for enthusiasts.

Cons:
– While very durable, they typically have a slightly shorter advertised life than NGK Laser Iridium options.

Best for: Drivers seeking improved engine responsiveness and reliable performance upgrades.

Expert Opinion: NGK’s Iridium IX line is consistently one of the highest rated in the aftermarket. For the 2013 Civic, these plugs provide a strong, concentrated spark that helps maintain optimal combustion efficiency, especially important in high-mileage engines.

NGK Laser Iridium Spark Plug DILZKR7B11GS (4 Pack) Compatible with HONDA CIVIC EX-L 2012-2015 1.8L/1799cc

When it comes to longevity and factory-level reliability, the NGK Laser Iridium is often the first choice. These plugs are frequently specified as Original Equipment (OEM) for many vehicles, including the Civic EX-L, meaning they meet the exact standards Honda designed the car around. They provide the absolute best combination of performance and extended lifespan, making them a fantastic choice if you want to install them and forget about them for the next 100,000 miles.

Key features that stand out:
– Longevity: Designed for maximum longevity, ideal for extended maintenance intervals.
– OEM Quality: NGK is the world’s largest supplier of OEM spark plugs, ensuring reliable quality.
– Design: Laser Iridium construction provides superb durability against heat and wear.
– Specific Fitment: Part number 95710 DILZKR7B11GS specifically fits the 1.8L Civic.

Pros:
– Provides manufacturer-specified reliability and long life.
– Exceptional durability for long highway driving.
– Reduces the frequency of required spark plug changes.

Cons:
– They tend to be slightly more expensive upfront than standard iridium alternatives.

Best for: The driver who prioritizes OEM-level maintenance, maximum durability, and long replacement intervals.

NGK LKR7DIX-11S Iridium IX Spark Plug (93175 Iridium Ix), 4 Pack

This is another high-quality offering from NGK, focused specifically on ignitability and responsiveness. These Iridium IX plugs feature a tapered ground electrode designed to minimize electrical quenching, ensuring that spark energy is fully utilized. Built with performance enthusiasts in mind, the robust construction, including a triple gasket seal, ensures that these plugs handle the high heat and electrical demands of modern engines exceptionally well.

Key features that stand out:
– Ignitability: Engineered for extreme ignitability and improved throttle response.
– Durability: 0.6mm laser-welded fine Iridium tip offers high resistance to wear.
– Protection: Trivalent Metal Plating provides superior anti-corrosion and anti-seizing properties.
– Seal: Triple gasket seal eliminates the risk of combustion gas leakage.

Pros:
– Excellent for performance driving and quick acceleration.
– Resists fouling and corrosion very effectively.
– Stable, consistent spark delivery under varying engine loads.

Cons:
– Installation requires care to properly utilize the anti-seizing properties of the plating.

Best for: Those seeking performance gains and extremely reliable cold-start ignition.

Expert Opinion: The physical construction of the LKR7DIX-11S is excellent. The corrugated ribs on the insulator are a small but important detail, effectively preventing “flashover”—where the electrical energy jumps the insulator instead of firing across the gap.

UF672 Ignition Coil & 97390 Double Iridium Spark Plug for 2012-2015 Honda Civic 1.8L L4, 2013-2015 Acura ILX 2.0L L4, 2016 Honda HR-V 1.8L L4 Replaces# 30520R1AA01 C1823

This product stands out because it’s a complete maintenance bundle, pairing four ignition coils with four high-quality double iridium spark plugs. Given that the 2013 Civic is getting older, replacing the coils alongside the plugs is preventative maintenance that can save you future misfire headaches. The double iridium plugs are designed for an incredible lifespan, often rated up to 100,000 kilometers, offering consistent and stable spark delivery.

Key features that stand out:
– Bundle Value: Includes both 4 ignition coils (UF672) and 4 spark plugs (97390).
– Plug Type: Uses highly durable double iridium spark plugs.
– Coil Construction: Coils feature stainless-steel springs and advanced thermoplastic connectors to resist heat fractures.
– Function: Solves common issues like engine misfire, rough idle, and poor fuel economy simultaneously.

Pros:
– Provides crucial preventative maintenance by replacing aging ignition coils.
– Double iridium design offers exceptional durability and lifespan.
– Excellent value proposition compared to buying components separately.

Cons:
– The included coils may not always match the superior quality of OEM Honda coils, though they are highly functional replacements.

Best for: High-mileage Civics needing both spark plug replacement and proactive ignition system maintenance.

Expert Opinion: Anytime a car approaches or exceeds 100k miles, the coils are potential failure points. This kit addresses both potential weak spots, ensuring superior cold-start performance and a significantly smoother-running engine immediately after installation.

A-Premium Iridium Platinum Spark Plugs (Pack of 4) Compatible with Honda Civic 2006-2015, Insight 2010-2014 & Toyota Tacoma 2005-2015 & Acura ILX 2013-2015 & Suzuki Kizashi 2010-2013

A-Premium offers a reliable and robust iridium/platinum hybrid plug focusing on long service life, designed to match OEM performance. These plugs feature an iridium center electrode tip paired with a platinum core, a combination engineered for both exceptional ignitability and longevity. They are recommended for replacement intervals between 80,000 to 100,000 miles, aligning perfectly with serious long-term Civic maintenance schedules.

Key features that stand out:
– Hybrid Material: Iridium center tip with a platinum core for balanced performance and durability.
– Ignition Performance: Engineered alongside OEMs for maximum ignition capabilities.
– Service Interval: Recommended to last between 80,000 to 100,000 miles.
– Broad Compatibility: Fits various Civic models, including those with L4 1.5L engines (though 1.8L is common for 2013).

Pros:
– Excellent blend of durability due to the Iridium/Platinum construction.
– Reliable performance for extended periods.
– Competitively priced for a premium material blend.

Cons:
– Specific fitment (especially for 1.3L/1.5L hybrid models) requires careful verification against the 1.8L engine.

Best for: Drivers seeking a quality, high-mileage replacement without the premium price tag of brand-name OEMs.

Expert Opinion: The 0.044 inch gap size is standard for many Honda applications. The Iridium/Platinum pairing is a proven formula for consistent performance under varied driving conditions, making this a solid, dependable choice for the average Civic owner.

Autolite Iridium XP Automotive Replacement Spark Plugs, XP5702 (4 Pack)

Autolite has been a trusted name in spark plugs since 1936, and their Iridium XP line demonstrates why. These plugs are engineered to last, boasting an extended change interval of up to 100,000 miles. Their core benefit is maximum fuel efficiency, achieved through a 0.6mm finewire iridium center wire and a V-trimmed ground electrode, which focuses the spark for more complete combustion.

Key features that stand out:
– Fuel Efficiency: Finewire center tip design leads to less fuel consumption.
– Longevity: Engineered to last for extended change intervals (up to 100,000 miles).
– Construction: Platinum protected ground wire for maximum efficiency in DIS systems.
– Optimal Performance: Delivers a more focused and consistent ignitability.

Pros:
– Recognized and reliable brand history.
– Excellent reported fuel savings due to precise ignition.
– Highly durable construction, ideal for stop-and-go commuting.

Cons:
– Some users report the required gap may need slight adjustment upon installation for optimal Civic performance.

Best for: Commuters focused on maximizing miles per gallon and minimizing long-term maintenance costs.

Expert Opinion: The V-trimmed ground electrode isn’t just a marketing gimmick; it actually improves ignitability by directing the spark more effectively. For a car like the 2013 Civic where efficiency is key, the XP5702 is a robust, modern replacement.

SYKRSS Set of 4 Ignition Coil Pack UF672 and Iridium Spark Plug 97390 4 Pack Compatible with Acura ILX Compatible with Honda Civic 2012-2015 1.8L 2.0L l4 Replaces 5C1880 GN10421 6732317 LKR7BGP-S

Similar to the UF672 bundle reviewed earlier, this SYKRSS kit provides the essential ignition coil and iridium spark plug replacements for your Civic. This kit is a fantastic solution for fixing common ignition system failures, such as poor idling, backfiring, or the dreaded check engine light caused by circuit malfunction. The components are built to meet or exceed OE specifications, promising fast, easy installation and renewed engine dependability.

Key features that stand out:
– Complete Kit: Includes 4 ignition coils (UF672) and 4 Iridium spark plugs (97390).
– OE Standard: Components are designed to meet or exceed OEM specifications in form, fit, and function.
– Quality Materials: Coils are made with high heat temperature resistant material for longer durability.
– Problem Solver: Aims to eliminate misfires, engine jerking, and hard stalling associated with old parts.

Pros:
– Comprehensive solution for aging ignition systems.
– High-quality, heat-resistant coil construction.
– Excellent value for proactive, full ignition tune-ups.

Cons:
– As an aftermarket brand, it may not carry the same consumer recognition as NGK or Denso.

Best for: Budget-conscious Civic owners looking for a comprehensive ignition system overhaul (coils and plugs).

Expert Opinion: When replacing spark plugs, especially on a nine-year-old vehicle like the 2013 Civic, simultaneously installing new coils guarantees that you are getting the full power potential from the new plugs. This kit is a very practical maintenance investment.

4 pc DENSO Iridium Power Spark Plugs compatible with Honda Civic 1.8L 2.4L L4 2012-2015

For those seeking peak performance from their Civic, the DENSO Iridium Power plugs are a top contender. DENSO, another respected OEM supplier, designed these specifically for performance and power sports, capable of withstanding extreme temperatures exceeding 4000 degrees. The key feature is the 0.4mm iridium tip, which is significantly smaller than the competition, resulting in a larger, more focused spark for maximum power delivery and superior fuel economy.

Key features that stand out:
– Tip Size: Features an incredibly fine 0.4mm iridium tip.
– Design: Tapered cut, U-Groove ground electrode for improved spark propagation.
– Durability: Built to withstand temperatures greater than 4000 degrees Fahrenheit.
– Genuine Quality: Guaranteed genuine DENSO parts, a direct replacement for your Civic.

Pros:
– Extremely thin tip provides maximum spark energy and efficiency.
– Ideal choice for slightly modified or performance-tuned Civics.
– Excellent performance across a wide range of operating conditions.

Cons:
– The incredibly fine tip, while efficient, may wear slightly faster than a thicker, double-tipped plug.

Best for: Performance-oriented drivers who want high spark energy and the best possible combustion efficiency.

Expert Opinion: DENSO is an OEM supplier to Honda, meaning their quality standards are incredibly high. The Iridium Power line is their flagship performance offering, providing measurable power gains and efficiency improvements that you can often feel immediately.

Iridium Spark Plugs Bujias Compatible with Honda for civic 2012-2015 for Accord 2008-2017 for CRV 2010-2014 for Hyundai Elantra 2014-2020 Replaces 93175,XP5702, XP6203, LKR7BGPS,LKR7AHXS Set of 4

This set of aftermarket Iridium plugs offers a high-value alternative to premium brands, promising superior performance through an ultra-hard iridium tip. Focusing on both optimized combustion and fuel efficiency, these plugs feature a 0.6 mm fine wire center tip and precision laser welding for a reliable, strong spark. They are also designed with longevity in mind, extending the lifespan significantly compared to standard copper plugs.

Key features that stand out:
– Material: Ultra-hard iridium tip for superior performance and extended lifespan.
– Efficiency: Precision laser welding ensures a focused, consistent spark for minimized fuel use.
– Broad Reference: Cross-references with numerous popular OEM and aftermarket numbers (like 93175 and XP5702).
– Installation Note: Includes specific torque requirements (25-30 N.m) for safe installation.

Pros:
– Competitive price point for an iridium plug.
– Focuses heavily on improving combustion efficiency.
– Guaranteed compatibility with 2012-2015 Civic models.

Cons:
– The general packaging and lack of a recognized brand name might concern drivers strictly adhering to OEM requirements.

Best for: Value buyers who want the benefits of iridium technology without paying a premium for a brand name.

Expert Opinion: Always pay attention to the manufacturer’s suggested torque settings, as improperly installed plugs can damage the cylinder head. The cross-referencing capabilities of this plug suggest it’s a widely used and reliable form factor.

A-Premium Iridium Platinum Spark Plugs Compatible with Honda CR-V, Civic, Accord, Crosstour & Hyundai Elantra, Elantra Coupe/GT, Sonata, Santa Fe, Santa Fe Sport, Tucson, Venue & Kia Soul, Pack of 4

A-Premium provides another highly compatible Iridium Platinum option known for its durability and wide application range. Engineered for long-term engine performance, these plugs are built to provide reliable service for 80,000 to 100,000 miles. Their construction balances the hard-wearing qualities of iridium with the stability of platinum, ensuring optimal ignition performance under typical commuter driving scenarios.

Key features that stand out:
– Durability: Recommended replacement intervals of 80,000 to 100,000 miles.
– Materials: Features an Iridium center tip and a Platinum core.
– Fitment Range: Excellent coverage for the 2012-2015 Civic L4 1.8L and 2.4L engines.
– Specifications: Detailed specs are provided (Gap 0.044 inch, Resistance 5000 ohms) for precision fitment.

Pros:
– Excellent lifespan and resistance to electrode erosion.
– Offers precise specifications for easy, reliable installation.
– A strong, dependable budget option for high-mileage upkeep.

Cons:
– Its incredibly broad compatibility list sometimes makes model-specific tuning seem less optimized.

Best for: Drivers managing a fleet of compatible vehicles or seeking dependable, long-life plugs on a budget.

Expert Opinion: The provided specifications (thread diameter, reach, resistance) are crucial when sourcing parts outside of strict OEM packaging. This attention to detail confirms that the plugs are dimensionally correct for the 2013 Civic engine.

Helpful Comparison Short Insights

When looking for the best spark plugs for your 2013 Honda Civic, you’re typically deciding between OEM spec (longevity) and performance enhancement.

NGK and DENSO are the titans here, as they are both primary OEM suppliers. If your goal is to match the performance and maintenance schedule defined by Honda, the NGK Laser Iridium DILZKR7B11GS is generally the best choice, guaranteeing maximum service life. If you want a noticeable boost in throttle response, the DENSO Iridium Power (0.4mm tip) is unmatched in ignitability.

For the value-conscious shopper, the A-Premium and Autolite Iridium options provide nearly identical 100,000-mile lifespan ratings at a more competitive price point. Autolite Iridium XP specifically markets its fuel efficiency benefits, which is a huge plus for the Civic commuter.

If your 2013 Civic is high mileage (over 80k) and you’ve noticed a slight roughness in the idle or occasional misfires, we strongly recommend considering the UF672 or SYKRSS ignition coil bundles. Replacing the spark plugs without also addressing potentially weak coil packs is often shortsighted. These bundles offer exceptional preventative maintenance value.

Final Verdict

Choosing the right spark plug depends heavily on your driving priorities—reliability, efficiency, or bundled maintenance.

The Reliable Long-Haul Pick:

If you want the plug that Honda’s engineers trust for maximum mileage and factory reliability, go with the NGK Laser Iridium Spark Plug DILZKR7B11GS. This plug is designed to last 100,000 miles with zero fuss.

The Performance & Efficiency Boost:

For those who want immediate, felt improvement in throttle response and fuel economy, the 4 pc DENSO Iridium Power Spark Plugs are the clear winner. Their ultra-fine 0.4mm tip delivers the most powerful, concentrated spark.

Best Value Maintenance Bundle:

For any 2013 Civic owner who suspects their original ignition coils are weakening, the UF672 Ignition Coil & 97390 Double Iridium Spark Plug bundle offers unbeatable value by solving two major maintenance issues in one affordable purchase.

Best Spark Plugs For 2013 Honda Civic FAQ Section

Q1: What type of spark plug material is best for my 2013 Honda Civic (1.8L)?

A: For the 2013 Honda Civic, iridium spark plugs are highly recommended. While the factory plugs may have been iridium/platinum hybrids, pure iridium or double iridium plugs (like the NGK Laser Iridium) offer superior durability, heat resistance, and long-term performance, often rated for 80,000 to 100,000 miles.

Q2: What are the signs that my 2013 Civic needs new spark plugs?

A: Common signs of failing 2013 Honda Civic spark plugs include difficulty starting, rough idling (the engine feels shaky while stopped), sluggish acceleration, noticeable decrease in fuel economy, and engine misfires (often causing the check engine light to flash). Replacing them is crucial for maintaining proper engine performance.

Q3: Do I need to gap my new iridium spark plugs for the 2013 Civic?

A: Generally, premium iridium plugs (like NGK or DENSO) come pre-gapped from the factory to the correct specification (usually around 0.044 inches or 1.1mm for the 1.8L engine). Because the fine iridium tip is fragile, attempting to adjust the gap is highly discouraged as you risk damaging the plug. Always confirm the plug is correct for your vehicle, but avoid manual gapping.

Q4: Should I replace my ignition coils when I replace my spark plugs?

A: While not always strictly necessary, replacing the ignition coils (or coil packs) is highly recommended for any 2013 Civic approaching or exceeding 100,000 miles. Ignition coils degrade over time due to heat and age, and replacing both the coils and spark plugs together ensures your entire ignition system is optimized, preventing future misfires.

Q5: How often should I perform a spark plug replacement on my 2013 Honda Civic?

A: If you install high-quality iridium spark plugs (which most options on this list are), the maintenance interval is typically between 80,000 and 100,000 miles. Always consult your Civic’s owner’s manual or the spark plug manufacturer’s guidelines for the exact maintenance interval specified for your specific engine code (e.g., R18).

Q6: Can upgrading to a performance spark plug really improve my fuel economy?

A: Yes, upgrading to a plug with a finer tip (like the 0.4mm DENSO Iridium Power) can improve fuel efficiency. A finer tip delivers a more focused and consistent spark, leading to cleaner and more complete combustion in the cylinder. This optimized burning process results in more power from the same amount of fuel, effectively boosting MPG.