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If your 2008-2012 Honda Accord is showing rough idle, reduced fuel economy, or an illuminated check engine light, the ignition coils are a common place to check. Choosing the right ignition coil matters because fitment, electrical stability, and heat resistance directly affect drivability and long-term reliability on this generation of Accord. This guide shortlists seven well-suited ignition coils that match the Accord's factory specifications and common repair needs. We evaluated each option for correct fit, build quality, and ease of installation so you can address misfires, restore smooth running, and avoid repeat failures. Read on to see the key differences and what to prioritize before you replace coils.
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 | PHILTOP UF603 Ignition Coil Pack and Iridium Spark Plug Kit (6 pcs) |  |
| Best Quality Built to a higher standard if you want something more solid | Sixity Auto 6-Pack Denso Direct Ignition Coils for Honda Accord 3.5L V6 (2008–2012) |  |
| Best Value The sweet spot between price and what you get | LCWRGS Ignition Coil Pack Set of 4, Direct Fit for 2008–2012 Honda Accord 2.4L L4 |  |
| Best Budget The cheapest option that still gets the job done reliably | DICMIC Ignition Coil Pack Set of 4 for 2.4L Honda/Acura (fits 2008–2015 applications) |  |
| Highest Rated A top-rated pick with lots of positive feedback | Autoexact Ignition Coil Pack and Iridium Spark Plugs Kit (Set of 4) |  |
| Most Popular A crowd favorite that many people choose with confidence | BDFHYK Ignition Coils and Iridium Spark Plugs Kit, Set of 6 |  |
| Best Seller A high-volume bestseller chosen again and again | Motorevo Ignition Coil Pack and Iridium Spark Plugs Set of 6 (UF603, 97390) |  |
1. PHILTOP UF603 Ignition Coil Pack and Iridium Spark Plug Kit (6 pcs)
| Included components | 6x Ignition Coil UF603, 6x Spark Plug 97390 |
|---|---|
| Automotive fit type | Vehicle Specific Fit |
| Connector gender | Male |
This PHILTOP kit combines six UF603 ignition coil packs with six iridium spark plugs to replace worn ignition components and restore stable engine operation. Installed as a direct-fit replacement on the listed 3.5L Honda/Acura models, the coils deliver the spark energy needed to reduce misfires, improve idle quality, and help recover throttle response and fuel economy. The included iridium plugs provide longer electrode life and consistent firing compared with standard copper plugs, so you get a fuller tune-up in one box. Buyers will appreciate the vehicle-specific design intended to match factory fit and connector gender for straightforward swap-in installation without modifications. Limitations to note are that compatibility is restricted to the specified models and years, so verifying exact fitment with your VIN or parts reference is required, and the kit does not include anti-seize or dielectric grease. For a balanced replacement that addresses both coils and plugs at once, this kit simplifies the job and restores drivability for aging 3.5L Accord engines.
Best for: Buyers who want a practical, all-in-one replacement to restore smooth starting, idle, and midrange response on a 3.5L Accord without sourcing coils and plugs separately.
Less Ideal for: People who need parts for vehicles outside the specified model years or different engine configurations or who prefer branded dealer parts with extended documented provenance.
- Complete kit includes six coil packs and six iridium spark plugs for a full ignition tune-up
- Designed to match factory fit and connector gender for straightforward installation
- Iridium spark plugs offer longer life and more consistent firing than standard plugs
- Compatibility limited to the listed Honda and Acura 3.5L applications so fit must be confirmed before purchase
Verdict: A convenient, vehicle-specific coil and iridium plug kit that restores ignition performance on compatible 3.5L Accord and Acura engines in one purchase.
2. Sixity Auto 6-Pack Denso Direct Ignition Coils for Honda Accord 3.5L V6 (2008–2012)
| Compatible vehicles | Honda Accord 2008–2012 3.5L V6 |
|---|---|
| Connector Gender | Female |
| Installation Type | Plug In |
| Automotive Fit Type | Vehicle Specific Fit |
These six direct ignition coils are intended as direct replacements for the 3.5L V6 Honda Accord (2008–2012). Each coil plugs into the factory ignition tower to deliver spark to the corresponding cylinder, so installation is a straightforward swap for anyone with basic engine-access skills. The listing emphasizes Denso-compatible construction and includes original-style packaging and hardware, which suggests factory-quality fit and electrical connection. For a performance-minded buyer this kit restores consistent spark across all six cylinders, which helps bring idle smoothness, throttle response, and full-power combustion back to spec after a failing coil causes misfires. The product is vehicle-specific so you do not need to adapt connectors or brackets. The main limitation is that this is a replacement coil kit only and does not include spark plugs or ignition harnesses, so a full ignition refresh requires additional parts if plugs are worn. Confirm fitment for the exact year and engine before purchase.
Best for: Buyers who prioritize restoring or maintaining peak engine performance on a 3.5L V6 Accord and want a direct-fit, factory-style coil replacement that eliminates misfires and restores throttle response.
Less Ideal for: Drivers looking for a performance-upgrade coil with altered timing characteristics or higher-voltage output should consider aftermarket performance coils; users wanting a complete ignition tune should plan to replace spark plugs and inspect wiring separately.
- Six-piece set covers all cylinders for a complete replacement at once
- Denso-compatible direct coils designed to match factory connection and mounting
- Plug-in installation keeps swap simple for home mechanics or shops
- Restores consistent spark delivery to improve idle, throttle response, and eliminate misfires
- Does not include spark plugs or ignition wiring so additional parts may be needed for a full service
Verdict: If you need a direct-fit, full six-cylinder replacement to eliminate misfires and restore factory-level spark on a 2008–2012 Accord 3.5L V6, this Denso-compatible kit delivers a straightforward solution.
3. LCWRGS Ignition Coil Pack Set of 4, Direct Fit for 2008–2012 Honda Accord 2.4L L4
| Compatible Vehicle Type | Honda Accord, CRV, CR-V, Civic SI, Crosstour |
|---|---|
| Part Interchange Info | UF602, 30520r40007, 5C1719, E1102, 52-2074, IC692 |
| Connector Gender | Male |
| Installation Type | Bolt-On |
The LCWRGS set of four ignition coil packs is a direct-fit replacement for 2008–2012 Honda Accord 2.4L L4 engines and similar Honda vehicles. These coils convert the battery voltage to the high voltage needed for reliable spark, which helps eliminate hard starts, misfires, rough idling, and poor fuel economy when original coils wear out. The units are described as bolt-on installation, matching factory fitment and connector gender for an uncomplicated DIY swap. Notable features include high-output, precision-wound windings, and heat- and vibration-resistant epoxy and silicone housings intended to improve longevity under underhood temperatures. Practical benefits are restored throttle response and fewer driveability faults without modifying the ignition system. Limitations to keep in mind are that this is a third-party replacement rather than a factory-branded coil and long-term durability depends on proper installation and operating conditions; diagnostic checks should be done to confirm coils are the root cause before replacing the full set.
Best for: Buyers who want a practical, no-frills replacement that restores engine performance quickly and keeps repair time and labor low.
Less Ideal for: Drivers seeking an OEM-branded coil or a performance-tuned ignition upgrade should consider other options tailored to those priorities.
- Direct bolt-on fitment for 2.4L Honda Accord engines simplifies DIY replacement
- High-output windings designed to deliver consistent spark for improved starting and throttle response
- Housing and materials rated for high heat and vibration to resist premature failure
- Male connector and vehicle-specific fit reduce compatibility guesswork
- Third-party unit so long-term lifespan may vary compared with factory-branded coils
Verdict: A practical, direct-fit replacement set that restores spark reliability and gets a 2.4L Honda Accord back to smooth running with minimal fuss.
4. DICMIC Ignition Coil Pack Set of 4 for 2.4L Honda/Acura (fits 2008–2015 applications)
| Compatible vehicles | 2008–2012 Honda Accord L4 2.4L; 2010–2014 CR-V L4 2.4L; 2012–2015 Civic SI/Crosstour 2.4L; 2013–2015 Acura ILX 2.4L |
|---|---|
| Connector Gender | Male |
| Automotive Fit Type | Vehicle Specific Fit |
| OEM Equivalent Part Number | 52-2074, IC692, 30520-R40-007, C1662, 5C1719, E1102, UF-602 |
This DICMIC set includes four plug-in ignition coil packs made as direct replacements for the common 2.4L Honda and Acura coil part numbers. It is intended for drivers who need to replace failed coils that cause rough idle, misfire codes, loss of power, or poor fuel economy. Installation is straightforward since each coil uses the factory-style male connector and vehicle-specific fit, so a typical DIYer can swap them one cylinder at a time without special tools. The listing notes parts interchange compatibility with several OEM numbers for 2008–2012 Accord and related 2.4L models, which helps confirm fitment. Practical benefits are restored engine smoothness and avoiding repeat trips to a shop when multiple coils are near end of life. Limitations include the usual uncertainty with aftermarket coils versus factory-brand parts and a shorter apparent parts history compared with long-established OEM options, so some buyers may prefer buying one at a time to confirm fit and performance before replacing all four.
Best for: Buyers on a budget who need a practical replacement to restore drivability on 2.4L Honda/Acura engines and prefer a ready-to-install four-pack to fix all cylinders at once.
Less Ideal for: Drivers seeking factory-brand coils with long OEM service history or those who prefer to replace a single coil at a time through a dealer parts counter.
- Sold as a complete set of four so all cylinders can be renewed at once
- Vehicle-specific fit and male factory-style connector for plug-and-play replacement
- Lists multiple OEM-equivalent part numbers to simplify verifying fit for 2.4L Honda/Acura engines
- Addresses common symptoms like misfires, rough idle, and loss of power when coils fail
- Aftermarket brand with less long-term track record than original factory coils
Verdict: If you need an affordable, plug-and-play four-pack to stop misfires and restore smooth running on 2.4L Honda Accord engines, this DICMIC set is a cost-effective choice.
5. Autoexact Ignition Coil Pack and Iridium Spark Plugs Kit (Set of 4)
| Included components | 4 ignition coils, 4 iridium spark plugs |
|---|---|
| Automotive Fit Type | Vehicle Specific Fit |
| Manufacturer Warranty Description | 2-Year Manufacturer Warranty |
| OEM Equivalent Part Number | UF602, UF629, C1662, 30520R40007, 30520RL5A01, 099700147, DELPHI GN10369 |
This Autoexact kit bundles four ignition coils with four pre-gapped iridium spark plugs to refresh the ignition system on compatible 2.4L Honda engines. It is designed as a direct factory-quality replacement that installs plug-and-play without modifications, so a DIYer with basic tools can swap the whole set and save on shop labor. The iridium plugs are fine-wire, pre-gapped for immediate use and marketed for longer service life and steadier combustion. The coil packs are epoxy-potted and heat-resistant, which should help stable spark delivery and reduce misfires and rough idle on higher-mileage engines. Buyers will appreciate the complete kit approach because replacing coils and plugs together restores balanced performance and can improve throttle response and fuel economy. Possible limitations: fitment is vehicle-and-trim specific so verify your exact model and engine before buying, and long-term durability beyond initial install is still primarily supported by the seller warranty rather than extensive real-world track record.
Best for: Buyers who prioritize a reliable, maintenance-focused fix for ignition-related drivability on 2.4L Honda engines and prefer replacing coils and plugs together to restore consistent performance.
Less Ideal for: Drivers who need a universal or performance-tuned ignition upgrade across multiple vehicle types or who are unwilling to confirm exact trim-level fitment beforehand should look elsewhere.
- Complete kit includes four coils and four pre-gapped iridium spark plugs for a full ignition service
- Designed for direct, plug-and-play installation with factory-style fitment
- Iridium spark plugs offer finer electrode and longer expected life compared with standard plugs
- Coils are epoxy-potted and heat-resistant to support stable spark delivery and reduce misfires
- Compatibility varies by trim and year so incorrect fitment is possible if vehicle trim or engine details are not confirmed
Verdict: A convenient, vehicle-specific coil-and-plug kit that restores reliable ignition and is ideal for owners wanting a complete, factory-quality replacement for 2.4L Honda Accord engines.
6. BDFHYK Ignition Coils and Iridium Spark Plugs Kit, Set of 6
| Vehicle Service Type | Car |
|---|---|
| Connector Gender | Female |
| Installation Type | Plug In |
| Automotive Fit Type | Vehicle Specific Fit |
This BDFHYK kit combines six plug-in ignition coils with iridium spark plugs intended as a direct replacement for worn V6 ignition components. It is typically used when a V6 Accord or compatible Acura shows misfires, hard starting, reduced power, or increased fuel use. The coils are described as built with imported rubber and varnished windings for durability, and the iridium plugs use hot-riveted electrodes for longer life and consistent spark. In practice the kit installs like most coil-on-plug replacements and many DIYers report straightforward fitment and improved running when the original coils were failing. Seller-provided OE numbers match common Honda V6 parts which helps confirm compatibility, but some buyers noted fitment mismatches on certain vehicles so confirming your exact OE part number before purchase is important. Expect a budget aftermarket option that can restore drivability and fuel economy versus worn parts, while occasionally showing shorter service life compared with higher-end factory-quality replacements.
Best for: Buyers who want a one-stop replacement to fix misfires and restore performance on a V6 Honda Accord and prioritize documented fitment references and social proof before buying.
Less Ideal for: Shoppers who need guaranteed factory-quality longevity or who cannot verify their vehicle's exact OE part numbers should consider OEM or dealer parts instead.
- Includes full set of six coils and matching iridium spark plugs for complete V6 replacement
- Coils designed with reinforced materials and varnished windings for improved durability under heat
- Iridium plugs offer tighter spark gap durability and are hot-riveted for consistent ignition
- Vehicle-specific OE numbers listed to simplify cross-checking compatibility with Honda V6 models
- Some buyers reported fitment issues on certain vehicles despite advertised compatibility
- As an aftermarket kit it may not match the longevity of higher-cost factory-quality parts
Verdict: A complete, budget-friendly replacement kit that restores V6 ignition performance when you verify the exact OE numbers for your Accord.
7. Motorevo Ignition Coil Pack and Iridium Spark Plugs Set of 6 (UF603, 97390)
| Included Components | 6 x Ignition Coil Pack & Iridium Spark Plugs |
|---|---|
| Compatible with Vehicle Type | Car |
| Part Interchange Info | UF603, 30520-R70-A01, 97390 |
| Installation Type | Bolt-On |
This Motorevo kit bundles six replacement ignition coil packs with matching iridium spark plugs to restore ignition performance on compatible Honda and Acura V6 engines. It is intended as a direct, bolt-on replacement for the listed part numbers and fits 2008-2012 Honda Accord 3.5L applications among other specified models. Notable features include high-conductivity copper windings, ceramic insulation, and a claimed improvement in spark energy for easier cold starts and smoother throttle response. In practice the kit simplifies a full-bank replacement because coils and plugs are matched and sold together, which reduces tuning guesswork and parts-mismatch risk. The materials and construction are described to resist heat and voltage fluctuation, and the included 5-year warranty provides extra assurance for cautious buyers. Limitations are that fitment is vehicle-specific so you must confirm the exact part interchange before buying, and performance claims like a 10-15% spark increase are manufacturer-stated rather than independently verified in the listing.
Best for: Buyers who want a full-bank, vehicle-specific replacement that minimizes installation uncertainty and favors long-term warranty protection.
Less Ideal for: Shoppers looking for performance-tuned coils for racing or heavily modified engines should consider specialist aftermarket options instead.
- Sold as a matched set of six coils and plugs for full-bank replacement
- Iridium spark plugs paired with coils to reduce misfit issues
- Designed with copper windings and ceramic insulation for heat and voltage resistance
- Five-year warranty provides extended coverage against manufacturing defects
- Fitment is vehicle-specific so compatibility must be verified for your VIN
- Performance improvement figures are manufacturer claims not independently verified
Verdict: A matched six-pack replacement with durable materials and a five-year warranty that lets cautious Accord owners replace the entire ignition bank with confidence.
Choosing the Right 2008-2012 Honda Accord Ignition Coil: Key Factors to Consider
Correct Electrical Specifications
Matching the coil's primary and secondary resistance and voltage handling to the Accord's ignition system is critical. Incorrect electrical specs can cause weak sparks, misfires, or accelerated wear on ignition modules and spark plugs. When resistance values are out of range the coil may overheat or fail prematurely under normal driving loads.
Verify the coil meets the vehicle's expected voltage tolerance and connector wiring. Using a coil with proper electrical characteristics helps preserve engine performance, keeps fuel trims stable, and prevents intermittent faults that are hard to diagnose.
Mechanical Fit and Connector Compatibility
Proper mechanical fit prevents stress on the coil housing and ensures secure mounting during vibration. The coil must align with the mounting bosses and boot locations on the 2008-2012 Accord to avoid boot kinking or misalignment that can compromise spark delivery.
Connector compatibility is equally important. A plug-and-play connector that matches the factory harness reduces installation time and the risk of poor electrical contact. Nonmatching connectors may require splicing or adapters that introduce new failure points.
Heat Resistance and Thermal Management
The engine bay around the ignition coils on this Accord generation experiences sustained heat cycles. Coils built with high-temperature resistant materials and adequate internal insulation endure longer and have fewer heat-related failures.
Look for features such as reinforced housings, thermal-grade potting compounds, and terminal seals that limit moisture ingress. Better thermal management reduces the chance of intermittent misfires that appear only when the engine is hot.
Boot and Spark Plug Interface
The coil boot must seat properly on the spark plug and provide a reliable insulating path for high voltage. A poor seating boot can lead to arcing, crossfire between cylinders, or a weak spark that triggers a misfire code.
Consider boot length, internal liner quality, and the ability to resist carbon tracking. Boots that form a tight, durable seal maintain consistent spark delivery and minimize electrical leakage over time.
Durability and Corrosion Protection
Corrosion of terminals and housing seams can create high-resistance connections and intermittent faults. Coils with corrosion-resistant terminals, protective coatings, and tight seals against moisture will maintain consistent performance, especially if the vehicle sees varied climates.
Long-term durability also depends on robust internal components and secure potting. Durable construction reduces the likelihood of mid-life failures that force repeat repairs.
Serviceability and Installation Ease
Ease of installation matters for owners doing a DIY replacement or a quick shop job. Coils that are accessible, use standard fasteners, and do not require additional sensors or harness changes simplify the job and reduce labor time.
Clear instructions, proper terminal labeling, and a design that tolerates basic hand tools lower the chance of installation errors that could cause driving issues after replacement.
Common Symptoms And Diagnostic Clues
On a 2008-2012 Honda Accord, ignition coil issues typically show up as rough idle, hesitation under load, or a persistent misfire code P030x. You may notice the check engine light cycles on and off or fuel economy drops as the engine runs richer to compensate.
Diagnostic clues include a cylinder-specific misfire code, an engine that smooths out when that cylinder's spark plug wire is removed or swapped, and visible carbon tracking or oil contamination on the coil boot. Using an OBD-II scanner to identify which cylinder is affected speeds up diagnosis.
- Rough idle and intermittent power loss
- Cylinder-specific misfire codes (P0301-P0304)
- Visible arcing marks or oil contamination on the boot
Basic On-Vehicle Tests You Can Do
Before replacing coils, you can perform simple checks safely with basic tools. Start by visually inspecting boots and connectors for cracked insulation, corrosion, or oil buildup. Loose connectors or torn boots often cause intermittent misfires.
You can also swap coils between cylinders to see if the misfire follows the coil. If the problem moves with the coil, that strongly indicates coil failure. An ignition-spark tester or a multimeter measuring coil primary resistance can provide additional confirmation of a defective unit.
- Visual inspection of boot, connector, and housing
- Swap coils between cylinders to track misfires
- Measure primary resistance with a multimeter
When To Replace All Coils Versus One
Deciding whether to replace a single coil or all coils involves evaluating age, mileage, and symptom history. If one coil fails on a high-mileage Accord and the others show similar age and wear signs, replacing the full set reduces the chance of repeat failures soon after the repair.
However, if the failure is isolated on a low-mileage vehicle or only one coil shows electrical or physical damage, replacing just the affected unit can be reasonable. Also weigh the cost of labor: if cylinder access requires the same disassembly for all coils, replacing multiple at once can be efficient.
- Replace all when multiple coils show age or when labor overlap exists
- Replace one when failure is isolated and others test within spec
Installation Tips For The 2008-2012 Accord
Work on a cool engine and disconnect the battery before starting. Clean the area around each coil and spark plug to prevent debris falling into the cylinder. Use dielectric grease sparingly on the boot interior to improve sealing and ease future removal but avoid getting grease on the spark plug electrode.
Tighten coil fasteners to factory torque and ensure connectors fully seat. After installation, clear any stored trouble codes, perform a test drive, and re-scan for codes to confirm the repair resolved the misfire without introducing new faults.
- Work on a cool engine and disconnect the battery
- Clean around spark plug wells before removal
- Use dielectric grease sparingly and torque fasteners to spec
Dealer Vs Independent Workshop Considerations
Independent workshops and experienced DIYers can typically handle coil replacement on the 2008-2012 Accord without special tooling. Independent shops often provide quicker turnaround and will usually install coils to match OEM fit and function.
Dealership service may provide access to manufacturer-specific diagnostic tools and historical service records that can help if the misfire arises from a broader electrical issue. Choose the service option that matches the complexity of the underlying problem and your comfort with the diagnosis.
- Independents handle routine coil replacements efficiently
- Dealer diagnostics can help when misfires stem from complex electrical faults
Still looking for the perfect fit?
Select your Honda Accord configuration to see the most relevant Ignition Coils recommendations
How We Chose the Best 2008-2012 Honda Accord Ignition Coil
We focused on criteria that matter for owners replacing ignition coils on 2008-2012 Honda Accord vehicles. Primary evaluation points included correct electrical and mechanical fit to the Accord firing system, verified compatibility with the vehicle's plug-and-play connector and mounting points, and adherence to factory resistance and voltage tolerances. We also prioritized coil construction and materials that withstand the engine bay heat common to this chassis, since thermal degradation is a frequent failure mode.Secondarily, we assessed durability indicators such as improved insulation, corrosion-resistant terminals, and protective housings that reduce moisture intrusion. Ease of installation was another filter: coils that allow straightforward replacement with basic hand tools and clear access under the hood scored higher. Finally, we considered documented reliability reports and typical symptom profiles to avoid options with frequent early failures.We excluded units that required major wiring modifications, did not match OEM electrical specs, or lacked clear fitment data for the 2008-2012 Accord. Units with inconsistent quality reports or custom adapters were not considered. This produced a concise set of reliable choices focused on fit, heat resistance, electrical stability, and serviceability.
Our full evaluation process is outlined in our review methodology.
FAQ
What are common symptoms of a failing ignition coil on my 2008-2012 Accord?
Common symptoms include rough idle, hesitation under acceleration, reduced fuel economy, and cylinder-specific misfire codes. You may also notice the check engine light and occasional stalling when a coil starts to fail.
Can I test an ignition coil myself without specialized equipment?
Yes. You can visually inspect for damage, swap coils between cylinders to see if the misfire follows the coil, and measure primary resistance with a multimeter. These steps often indicate whether a coil is defective before committing to replacement.
Do I need to replace all ignition coils at once on this Accord?
It depends. If one coil fails on an older, high-mileage car, replacing all can prevent near-future failures. If the failure is isolated and other coils test within specification, replacing only the bad unit may be sufficient.
Will a bad ignition coil damage spark plugs or the engine?
A failing coil can cause incomplete combustion that leads to fouled spark plugs and may stress the catalytic converter over time. Addressing coil issues promptly reduces the chance of secondary damage.
How long does it take to replace an ignition coil on a 2008-2012 Accord?
For an experienced technician it typically takes less than an hour to replace one or two coils, depending on engine layout and accessibility. A full set replacement takes longer but is still a routine job for most shops.
What should I check if a new coil still shows a misfire?
Re-check the coil electrical connections, spark plug condition and gap, and confirm the coil's resistance values match specifications. Also verify there is no oil contamination in the plug wells and that the connector wiring is intact.
Final Verdict
Prioritize coils that match the Accord's electrical specs and offer robust heat-resistant construction. Mechanical fit and a reliable boot-to-plug interface reduce installation headaches and recurring misfires. For older vehicles, consider replacing multiple coils when accessibility and labor overlap make it efficient.Focus on correct fitment, proven thermal durability, and ease of installation when choosing ignition coils for your 2008-2012 Accord. That approach minimizes the chance of repeat failures and gets your engine back to smooth, dependable operation quickly.
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