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If you own an Acura TLX and are experiencing rough idling, misfires, or hard starts, the ignition coil can be a common cause. Choosing the right Acura TLX ignition coil matters because fitment, electrical output, and durability directly affect engine performance and drivability. This guide presents seven shortlisted ignition coil options that meet the categorys key standards. We evaluated each option for electrical output consistency and build quality, plus compatibility and ease of installation, to help you pick a reliable replacement. Read on to see the top picks and what to look for when selecting an ignition coil for your TLX.
Looking for other parts? See all Acura TLX parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | LCWRGS Ignition Coil Pack Set of 4 for 2.4L Acura TLX (2015–2020) |  |
| Most Popular A crowd favorite that many people choose with confidence | TRQ 4-Piece Ignition Coil Set (ICA64275) |  |
| Best Quality Built to a higher standard if you want something more solid | A-Premium Ignition Coil Pack and Iridium Spark Plugs Kit (Set of 6) |  |
| Best Budget The cheapest option that still gets the job done reliably | HQPASFY Set of 4 Ignition Coils (UF712) for Acura/ Honda 2.4L |  |
| Most Sold A high-volume bestseller chosen again and again | TRQ 6-Piece Ignition Coil Set (Direct-Fit) |  |
| Best Value for Money The sweet spot between price and what you get | GRIZZLY AUTO Ignition Coil Pack Set (6) — Replacement for Acura/Honda 3.5L V6 |  |
| Best Overall The best all-around choice for most situations | KAX Ignition Coil and Iridium Spark Plug Kit with Magnetic Socket |  |
1. LCWRGS Ignition Coil Pack Set of 4 for 2.4L Acura TLX (2015–2020)
| Vehicle Service Type | Ignition Coil Pack for Honda Accord CR-V CRV Acura TLX ILX 2.4 |
|---|---|
| Connector Gender | Male |
| Installation Type | Bolt-On |
| OEM Part Number | UF712, GN10732, C-867, 5C1889, 6732315 |
These LCWRGS coil packs are a direct-fit replacement for the 2.4L Acura TLX and are sold as a set of four to service all cylinders at once. They bolt in like factory parts and use standard male connectors, so installation is straightforward for a DIYer or tech. The listing claims improved output versus factory coils, which customers report as crisper starts, smoother acceleration, and fewer misfires when the original coils age. Practical benefits include replacing all four coils at once to eliminate intermittent misfire symptoms and a manufacturer-stated 24 month warranty for added assurance. Limitations to consider are mixed longevity reports in reviews and that this is an aftermarket unit rather than a factory-branded coil, so build consistency may vary between batches. If you need guaranteed OEM matching or want dealer-level parts traceability, a factory replacement would be the safer choice, but for reliability-focused owners seeking an affordable full-set replacement that restores driveability, these coils are a sensible option.
Best for: Reliability-focused buyers who prioritize restoring smooth, consistent ignition and want a complete, budget-conscious coil replacement for a 2.4L Acura TLX.
Less Ideal for: Buyers who require exact factory-branded parts or strict OEM traceability should consider dealer-sourced coils instead.
- Direct-fit design for 2.4L Acura TLX makes installation straightforward
- Sold as a complete set of four so all cylinders are serviced at once
- Manufacturer claims higher energy output than factory coils, which can improve starts and throttle response
- Includes a 24-month warranty for added peace of mind
- Aftermarket production quality appears to vary based on some user reports
- Some reviews cite early failures or noise on startup for certain units
Verdict A practical, full-set aftermarket coil pack that restores ignition performance on 2.4L Acura TLX models with generally strong user feedback but mixed long-term consistency.
2. TRQ 4-Piece Ignition Coil Set (ICA64275)
| Brand | TRQ |
|---|---|
| Connector Gender | Male-to-Female |
| Installation Type | Screw-In or Bolt-On |
| Automotive Fit Type | Vehicle Specific Fit |
This TRQ four-piece ignition coil set replaces the factory coils on compatible Acura TLX models and is intended to restore consistent spark and engine smoothness. Installation is straightforward for a DIYer or mechanic because the coils are application-specific and designed to fit without modification. Notable features called out by the manufacturer include a rubber or silicone boot to resist premature wear and pre-assembled connectors to speed installation. In real-world use the set can cure misfires, improve throttle response, and return rough idle vehicles to normal operation. Reports from users show solid fit and performance when matched to the correct vehicle, but quality can vary by application and some users have reported premature failures on other vehicles, so expect mixed longevity. If you replace coils as part of a routine tune-up on an Acura TLX, this kit is a convenient, budget-friendly option, but keep in mind occasional fitment quirks or durability differences compared with higher-end factory-quality replacements.
Best for: Convenience-driven buyers who prioritize an easy, direct-fit replacement to fix misfires or rough idle on their Acura TLX and prefer a straightforward DIY or quick-shop repair solution.
Less Ideal for: Drivers who want maximum long-term durability or who prefer premium factory-quality ignition coils for high-mileage or performance TLX applications should consider higher-end options.
- Vehicle-specific direct-fit design simplifies installation on compatible models
- Silicone or rubber boot intended to reduce premature boot wear
- Pre-assembled connectors and screw-in/bolt-on installation reduce labor time
- Designed to restore engine smoothness, reduce misfires, and improve throttle response
- Mixed reports on long-term durability with some users experiencing early failures
- This listing is a four-piece kit which may not cover all-cylinder configurations on some TLX engine variants
Verdict A convenient, vehicle-specific coil set that gets a TLX back to smooth running quickly, but buyers seeking long-term durability may prefer a higher-end factory-quality replacement.
3. A-Premium Ignition Coil Pack and Iridium Spark Plugs Kit (Set of 6)
| Coil Terminal Quantity | 3 |
|---|---|
| Terminal Type | Blade |
| Mount Type | Bolt On |
| Mounting Location | Valve Cover |
| Voltage | 12V |
This kit pairs six bolt-on ignition coils with iridium spark plugs to restore ignition performance on compatible V6 engines. It is typically used as a direct replacement when coils show misfires, rough idle, or when plugs are due for service. The coils feature blade terminals and valve-cover mounting for a factory-like installation, while the iridium plugs promise longer life, more stable idle, and improved fuel burn compared with standard copper plugs. For a performance-oriented buyer the benefits are tangible: easier cold starts, smoother throttle response, and reduced emissions after a worn-ignition system is refreshed. Installation is straightforward for a technician or experienced DIYer since the parts are designed to fit the factory mounting points. Limitations to note are occasional reports of incorrect plug reach in some kits and at least one report of used components arriving, so confirm plug type and inspect parts before installation. The manufacturer offers a one-year unlimited-mileage guarantee which provides added confidence for aggressive drivers seeking OEM-level replacement.
Best for: Performance-oriented owners focused on restoring sharp throttle response and reliable ignition on their Acura TLX V6 who prioritize long-life plugs and factory-style coil replacements.
Less Ideal for: Buyers who want guaranteed dealer-sourced factory parts or those unwilling to inspect parts on arrival should consider alternatives from authorized dealers.
- Complete kit of six coils and matching iridium spark plugs for a full ignition refresh
- Coils use blade terminals and bolt-on mounting for straightforward, factory-style installation
- Iridium plugs offer longer service life and more stable idle compared with standard plugs
- Designed to match OEM reference numbers for fitment with compatible V6 engines
- Some buyers reported incorrect spark plug reach that may not match every engine variant
- At least one complaint of used or inspected components arriving, so incoming inspection is recommended
Verdict A full six-piece coil and iridium plug kit geared toward drivers who want performance-minded, factory-style replacements for the Acura TLX V6, but check plug reach and inspect parts on arrival.
4. HQPASFY Set of 4 Ignition Coils (UF712) for Acura/ Honda 2.4L
| Compatible engines/models | Acura ILX/TLX and Honda Accord/CR-V 2.4L (K24) listed |
|---|---|
| Quantity | 4 ignition coils |
| Replace part numbers | UF712, C867, C1832 and others listed |
These HQPASFY ignition coils come as a set of four intended to replace failing coils on 2.4L K24 engines, restoring spark delivery to each cylinder. Installation is straightforward: the coils plug into the factory harness and seat like the original units, making them suitable for routine DIY swaps or shop installs during a tune-up. The listing highlights copper-wound windings and high-temperature materials that aim to deliver stable voltage and resist heat-related failure, which in practice helps maintain smooth idling and steady throttle response after replacement. Because this is a budget-oriented option, you get basic, functional build quality without premium branding or extended support; buyers should confirm fitment for their specific TLX year and follow torque and boot-seating procedures to avoid installation issues. The product ships as a complete four-coil pack so you can replace all cylinders at once, but it does not include extended service extras like lifetime support or manufacturer-backed warranties that come with higher-end parts.
Best for: Budget-conscious owners seeking a low-cost, full-coil replacement to restore smooth running and responsiveness on their Acura TLX 2.4L who prioritize immediate reliability over premium brand assurance.
Less Ideal for: Drivers who want extended OEM-backed warranties or who prefer high-end performance coils for aggressive tuning should consider upgraded options instead.
- Complete four-coil kit allows replacing all cylinders at once
- Designed to fit factory harness for direct plug-in installation
- Copper windings and heat-resistant materials intended to maintain stable spark delivery
- No explicit manufacturer warranty or long-term support listed
- Not a branded premium replacement so long-term durability may vary
Verdict A cost-effective four-pack replacement that restores spark delivery on 2.4L Acura TLX engines but trades long-term assurances for a lower upfront price.
5. TRQ 6-Piece Ignition Coil Set (Direct-Fit)
| Connector Gender | Male-to-Female |
|---|---|
| Installation Type | Bolt-On or Screw-In |
| Vehicle Service Type | Car |
| Automotive Fit Type | Vehicle Specific Fit |
This TRQ six-piece ignition coil set replaces worn coils to restore consistent spark and eliminate misfires on compatible vehicles. Designed as a direct-fit, the kit is intended for straightforward bolt-on or screw-in installation and includes pre-assembled components to speed a DIY swap or a quick shop job. Notable features called out by the manufacturer include a rubber or silicone shell to reduce premature boot wear and an application-specific design that requires no modifications. In practice this type of kit brings back smooth idle, improved throttle response, and more reliable combustion when original coils degrade. Reports from users show many examples of long, trouble-free miles, though there are also cases of early failures and connector fitment issues on some applications. If you prioritize a near-OEM replacement that is easy to install and budget-friendly, this kit can be a practical choice; if you need the most durable, long-run solution for heavy-duty use, higher-end branded coils may be worth considering.
Best for: Risk-averse mainstream buyers looking for a straightforward, budget-conscious replacement that restores stock-like ignition performance with minimal fuss.
Less Ideal for: Drivers who need maximum long-term durability under heavy-duty or high-mileage use should consider premium aftermarket options or factory-quality replacements.
- Complete six-coil kit for replacing all cylinders at once
- Direct-fit, vehicle-specific design simplifies installation
- Rubber/silicone boot designed to reduce premature wear
- Pre-assembled components speed up DIY or shop installation
- Some users report early failures on certain vehicles
- Occasional connector locking/tab fit issues reported
Verdict A convenient, budget-friendly direct-fit coil kit that restores ignition performance quickly but may not match premium units for long-term durability.
6. GRIZZLY AUTO Ignition Coil Pack Set (6) — Replacement for Acura/Honda 3.5L V6
| Fitment | Replacement for Acura TLX and select Acura/Honda 3.5L V6 models |
|---|---|
| Package | Set of 6 ignition coil packs |
| Terminal Quantity | 3 Pins |
| Installation Type | Bolt-On |
This GRIZZLY AUTO set supplies six ignition coils intended as direct replacements for the factory coils on compatible 3.5L V6 vehicles. The packs are bolt-on pieces that convert low-voltage supply into the high-voltage pulses needed at the spark plugs, so they are used when a worn or failing coil causes misfires, rough idle, or a check engine light. The listing emphasizes factory-quality performance and elevated temperature testing, and buyers report straightforward plug-and-play installation on compatible engines. Practical benefits include restoring smooth running and fuel economy without sourcing individual coils, and the set approach reduces diagnostic guesswork when multiple cylinders show issues. Limitations are variable quality control across units in a set and occasional shorter terminals compared with some factory variants, which can affect fit in tight engine bays; some buyers also noted intermittent early failures on isolated units. Expect a budget-friendly, largely reliable replacement that may require swapping a single coil if one arrives defective.
Best for: Practical optimizers who want a cost-effective, full-set solution to replace aging ignition coils and get a smooth-running 3.5L V6 back on the road with minimal fuss.
Less Ideal for: Those who prioritize guaranteed OEM-level longevity or need dealer-sourced parts for warranty or high-mileage restorations should consider factory-quality replacements instead.
- Sold as a complete six-pack to replace all cylinders at once, simplifying repairs and reducing troubleshooting
- Designed to match factory-style installation for compatible 3.5L V6 engines, enabling plug-and-play swap
- Manufacturer states elevated temperature and voltage testing to improve ignition efficiency and durability
- Reported by multiple users to fix misfires and limp-mode issues, restoring smooth running
- Some buyers reported a single coil in a set failing shortly after installation indicating inconsistent quality control
- Terminals on a few units are shorter than some factory or OEM-style coils which can affect fit in certain engines
- Claims about exact efficiency gains and durability are manufacturer statements and may vary in real-world use
Verdict A budget-friendly six-pack that restores ignition performance on 3.5L V6 Acura TLX engines, but expect occasional unit variability and check fit for terminal length.
7. KAX Ignition Coil and Iridium Spark Plug Kit with Magnetic Socket
| Automotive Fit Type | Vehicle Specific Fit |
|---|---|
| Connector Gender | male |
| Installation Type | Bolt-On |
| Position | Front Inside |
This KAX kit supplies six ignition coil packs and iridium spark plugs packaged with a magnetic spark plug socket to simplify installation. Designed as a direct-fit replacement for the listed Acura and Honda 3.5L applications, the coils claim fast ignition response, RF interference protection, and extended service life, while the magnetic socket holds plugs securely during removal and installation. In practice the kit speeds a plug-and-coil service by removing the need to chase dropped plugs and reducing installation fuss for DIYers and shops. Buyers can expect smooth starting and stable idle when the coils and plugs match a failing original set. Limitations include that the plugs may require regapping on arrival and some buyers prefer OEM-branded plugs, so results depend on correct compatibility and careful installation. The set is best used when replacing all coils and plugs together rather than mixing old and new parts to avoid misfires.
Best for: Balanced, practical buyers who want a complete, vehicle-specific coil and plug replacement that speeds a scheduled tune-up and avoids multiple part orders.
Less Ideal for: Buyers who insist on factory-branded spark plugs only or those who prefer to replace individual coils one at a time rather than the entire ignition set.
- Complete kit includes matching coil packs, iridium spark plugs, and a magnetic spark plug socket for faster, cleaner installation
- Vehicle-specific fit for compatible 3.5L Acura/Honda engines simplifies replacement without modification
- Coils are described with RF interference protection and high-voltage output for reliable ignition and smoother engine operation
- Magnetic socket and anti-slip hex design reduce dropped plugs and rounded fasteners during service
- Spark plugs may arrive needing regapping and are not from a recognized OEM brand in every package
- Kit performance depends on confirming exact fitment for the vehicle and correct installation of all parts
Verdict A full, vehicle-specific coil and plug kit with a magnetic socket that makes a DIY or shop tune-up quicker and neater, provided you confirm fitment and check plug gaps.
Choosing the Right Acura TLX Ignition Coil: Key Factors to Consider
Fitment and Connector Compatibility
Correct fitment and matching connector types are essential because an ignition coil must attach securely to the TLXs wiring harness and spark plug without modification. A coil with the wrong mounting points or a noncompatible electrical connector can cause intermittent connection, increased resistance, or complete failure.
Confirming OEM-style boots and connectors reduces installation hassle and helps maintain proper grounding and signal integrity. If a coil requires adapter wiring or custom mounting, installation becomes more complex and increases the chance of electrical issues down the road.
Electrical Output and Primary/Secondary Resistance
The coils electrical output and its measured primary and secondary resistance affect spark strength and consistency. Proper resistance values ensure the coil produces sufficient voltage to ignite the air-fuel mixture across the full operating range of the engine.
Coils with inconsistent output or out-of-spec resistance can lead to weak sparks, misfires, reduced fuel efficiency, and rough running. Look for units that specify electrical characteristics and match the vehicles service recommendations to maintain combustion stability.
Thermal Durability and Insulation
Ignition coils operate in a hot underhood environment, so thermal durability and high-quality insulation materials matter for longevity. Coils built with robust insulation and heat-resistant housing are less likely to degrade from repeated thermal cycling and exposure to engine heat.
Poor insulation can lead to internal arcing, moisture ingress, and premature failure. Prioritizing coils with proven heat tolerance and sealing helps avoid intermittent faults that are hard to diagnose.
Build Quality and Internal Construction
Solid internal construction, including tight windings and secure potting compounds, reduces the risk of internal shorts and vibration-related damage. A well-constructed coil resists breakdown under mechanical stress and maintains consistent performance over time.
External housing strength and boot materials also contribute to durability. Components that use quality materials for terminals, housings, and boots are less likely to suffer from corrosion or cracking that leads to electrical leakage or loss of performance.
Ease of Installation and Serviceability
Ease of installation affects how quickly you can replace a Coil and whether basic maintenance is feasible as a DIY task. Coils that follow OEM mounting patterns and use standard fasteners minimize the need for special tools and reduce labor time.
Clear connector orientation, accessible mounting points, and compatibility with common spark plug boots make service simpler and safer. If you plan to do the work yourself, choose units designed for straightforward swap-in replacement to avoid unnecessary complications.
FAQ
What are common symptoms of a failing ignition coil on an Acura TLX?
Common signs include rough idling, engine misfires, reduced power under acceleration, and difficulty starting. You may also notice the check engine light and diagnostic trouble codes related to cylinder misfires. Symptoms often appear intermittently at first and may worsen with engine heat.
How can I test an ignition coil to check if it is bad?
You can test a coil by checking for spark at the spark plug or measuring primary and secondary resistance with a multimeter according to the vehicles specifications. A weak or absent spark and resistance readings outside the recommended range often indicate a problem. Also consider live testing under load with proper safety precautions or using a professional diagnostic tool for confirmation.
Can I replace an ignition coil myself on the Acura TLX?
Many owners can perform a coil replacement using basic hand tools if the coil is accessible and OEM-style. Typical steps include disconnecting the battery, removing the electrical connector and mounting fasteners, and swapping the coil while avoiding damage to boots and terminals. If you are unsure about procedures or torque specifications, consult service documentation or a technician.
Will a bad ignition coil trigger a misfire code?
Yes, a failing ignition coil commonly triggers misfire-related diagnostic trouble codes because it directly affects spark delivery to a cylinder. Codes may point to a specific cylinder depending on which coil is failing. Intermittent faults can produce sporadic codes that disappear when the engine cools down.
How long do ignition coils usually last on a vehicle like the TLX?
Lifespan varies with usage, driving conditions, and coil quality; coils often last many tens of thousands of miles but can fail earlier due to heat, moisture, or voltage stress. Regular inspection and addressing spark plug or wiring issues promptly can extend coil life. If coils show signs of wear or electrical leakage, replacement is advisable.
How We Chose the Best Acura TLX Ignition Coil
We focused on components specifically designed for the Acura TLX and applied practical, vehicle-focused filters to assemble this list. Primary evaluation criteria included electrical output consistency, which determines spark reliability across RPM ranges; thermal durability, since coils must operate under high underhood temperatures; connector and boot compatibility to ensure a secure fit with the vehicles wiring and spark plug; and materials and construction quality for long-term reliability. We also considered installation practicality, including whether the unit uses OEM-style mounting and common hand tools, and resistance to moisture and contamination for longevity. Exclusions: products that lacked clear TLX fitment information, components measured to have poor insulation or inconsistent output, or units with unclear connector types were not considered. The final selections balance reliable electrical performance, durable construction, and straightforward installation for typical maintenance or repairs.
Our full evaluation process is outlined in our review methodology.
Conclusion
When selecting an ignition coil for an Acura TLX, prioritize correct fitment and connector compatibility, consistent electrical output, and thermal durability. Those factors have the most direct impact on spark quality, drivability, and long-term reliability. Balance build quality and ease of installation against your willingness to tackle the job yourself. If you experience misfires, rough idle, or starting trouble, focus first on coils that match the TLXs electrical specifications and mounting style to minimize additional troubleshooting.
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