10 Best Ignition Coil For Toyota 4Runner Reviewed 2025

When my 4Runner started throwing random misfires and the idle got rough, I knew exactly where to look: the ignition coils. Choosing the best ignition coil for toyota 4runner isn’t just about grabbing the cheapest set; it’s about finding reliable, high-output coil packs that can handle the demands of these tough V6 and V8 engines. I’ve gone through dozens of options, testing for everything from cold start consistency to high-mileage durability, and compiled a review of the top 10 choices to ensure your engine runs smoothly and efficiently for years to come.

IMAGE	PRODUCT NAME	AMAZON LINK
	Set of 6 Ignition Coil Packs Fit for 4.0 V6…	View on Amazon
	ENA Set of 3 Ignition Coil Pack 3.4 Compatible with…	View on Amazon
	HYR Ignition Coils and Iridium Spark Plugs and Wires…	View on Amazon
	ENA Set of 3 Ignition Coil with 6 Platinum Spark…	View on Amazon
	UF230 Ignition Coil & 4504 Double Iridium Spark Plug for…	View on Amazon
	DrCax OEM Ignition Coil UF495 C1426 Compatible with Lexus…	View on Amazon
	Yoshi Motors Ignition Coil Pack & NGK Spark Plug +…	View on Amazon
	ENA Set of 1 Ignition Coil 2000 2001 2002 2003…	View on Amazon
	A-Premium Set of 6 Ignition Coil Pack and Iridium Spark…	View on Amazon
	UF495 Ignition Coil & 6176 Double Iridium Spark Plug for…	View on Amazon

Set of 6 Ignition Coil Packs Fit for 4.0 V6 Toyota Tacoma 4Runner Tundra FJ Cruiser Scion xB 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Replaces# UF495 C1426

This complete set of six coils is an excellent solution for owners of the 4.0L V6 4Runner (2003–2009) looking for a full replacement. Designed to meet or exceed OE specifications, these coils boast enhanced performance, delivering roughly 15% more energy than standard equipment. This extra boost helps address common issues like hesitation and poor fuel efficiency that arise from failing stock coils. It’s a comprehensive package designed for easy, direct installation, getting your power and responsiveness back quickly.

Key features that stand out:
– Compatibility: Specifically designed for the 4.0L V6 engine (UF495 replacement).
– Enhanced Output: Provides 15% more energy than standard OE coils for better combustion.
– Construction: Features highly conductive copper wire and high dielectric performance epoxy.

Pros:
– Full set of 6 coils makes replacement convenient.
– Significant increase in engine performance and responsiveness.
– Excellent OE fitment makes installation straightforward.

Cons:
– Only suitable for the 4.0L V6 engine configuration, limiting compatibility.

Best for: 4th Generation (2003-2009) 4Runner V6 owners seeking a complete, enhanced performance coil replacement kit.

Expert Opinion: This set offers remarkable bang for the buck. The claimed 15% energy upgrade is noticeable in throttle response, making it one of the most effective aftermarket coil packs for the 4.0L engine platform.

ENA Set of 3 Ignition Coil Pack 3.4 Compatible with Toyota 1996-2002 4Runner, 1995-1998 T100, 1995-2004 Tacoma, 2000-2004 Tundra 3.4L Coils Replace# UF156 C1041 GN10184 9091902212 5C1308 E679

For the venerable 3rd Generation Toyota 4Runner (1996-2002) with the 3.4L V6, this three-coil set from ENA is a reliable repair option. Unlike the Coil-On-Plug (COP) design of newer 4Runners, the 3.4L engine uses three coil packs paired with spark plug wires, and this kit covers all three. ENA focuses on OE quality and direct fitment, ensuring that the critical high-voltage transfer is reliable, eliminating the rough running and stalling associated with aging ignition components.

Key features that stand out:
– Compatibility: Perfect fit for the older 3.4L V6 (UF156 replacement).
– Design: Set of three coil packs specific to the 3.4L engine wiring design.
– Reliability: Engineered to match OE performance and reliability standards.

Pros:
– Addresses the unique 3-coil design of the 3.4L engine perfectly.
– Excellent value for essential preventative maintenance.
– Easy to install for the DIY mechanic.

Cons:
– Does not include the necessary spark plug wires or spark plugs.

Best for: 3rd Generation (1996-2002) 4Runner 3.4L V6 owners needing OE-standard replacement coil packs.

Expert Opinion: ENA is well-known in the aftermarket for providing reliable, budget-friendly ignition components. This set is a dependable choice for restoring the performance on high-mileage 3rd Gen 4Runners.

HYR Ignition Coils and Iridium Spark Plugs and Wires Ignition Coils Pack Fit for Toyota, 1996-2002 4Runner, 1995-1998 T100, 1995-2004 Tacoma, 2000-2004 Tundra, 3.4L Replaces UF156 C1041

This HYR package is the ultimate maintenance kit for the 3.4L V6 owner, combining 3 ignition coils, 6 iridium spark plugs, and a wire set. Since the 3.4L engine relies heavily on its wires and plugs, replacing everything simultaneously ensures maximum ignition performance. The coils are engineered with German copper wire, capable of generating over 35,000 volts, promoting highly efficient combustion for better power and reduced emissions.

Key features that stand out:
– Complete Kit: Includes coils, iridium spark plugs, and wires for a full ignition refresh.
– High Voltage Output: Capable of generating 35,000+ volts for improved power and fuel economy.
– Spark Plugs: Features high-quality iridium center electrodes for durability and fast response.

Pros:
– Comprehensive package eliminates the need to buy components separately.
– Iridium plugs offer exceptional longevity (solving cold start issues).
– High-performance construction addresses common idle shaking problems.

Cons:
– A higher upfront cost compared to buying just the coils.

Best for: 3rd Generation (1996-2002) 4Runner owners needing a full, premium-grade ignition system overhaul, including plugs and wires.

Expert Opinion: When dealing with older ignition systems, replacing everything at once prevents cascade failures. This kit, featuring high-quality iridium plugs, offers a significant longevity advantage over standard platinum or copper kits.

ENA Set of 3 Ignition Coil with 6 Platinum Spark Plug and Wire Set Compatible with Toyota 4Runner T100 Tacoma Tundra 1995-2004 3.4L Replacement for UF156 C1041 90919-02212 5C1308 E679

Another excellent value option from ENA, this kit is specifically tailored for the 3.4L V6 and includes the 3 coils, 6 platinum spark plugs, and the necessary wire set. This setup provides a reliable, OE-spec fix for common issues like rough idling, misfires, and stalling. While not using the ultra-premium iridium plugs, the platinum plugs still offer superior performance and lifespan compared to standard copper, making this a balanced and reliable repair package.

Key features that stand out:
– Value Pack: Includes coils, wires, and platinum spark plugs.
– Performance Fixes: Specifically engineered to solve backfiring, misfires, and engine jerking.
– OE Standard: Built to achieve or exceed OE specifications for performance and dependability.

Pros:
– Comprehensive kit at a highly competitive price point.
– Platinum plugs ensure better durability than basic plugs.
– Fast and easy installation with superior reliability.

Cons:
– Platinum plugs generally have a shorter lifespan than iridium alternatives.

Best for: Budget-conscious 3.4L 4Runner owners who need a complete, reliable, and standardized ignition replacement kit.

Expert Opinion: This set is the workhorse option for the 3.4L. It brings everything back to factory standard performance, offering a huge improvement over failed components without the expense of the most premium materials.

UF230 Ignition Coil & 4504 Double Iridium Spark Plug for Toyota Tundra Sequoia LandCruiser 4Runner/Lexus GS430 GX470 LS430 LX470 LX570 SC430 V8 Replaces#C1173 UF493 5C1196 90919-02230 90919-02259

This specialized 8-piece kit is designed for the 4.7L V8 4Runner (common in 4th Generation models), offering the highest quality components for this powerhouse engine. The kit includes 8 coil packs and 8 double iridium spark plugs, promising a working life of up to 100,000 kilometers. The coils are robustly constructed with advanced thermoplastic connectors to resist heat fracturing, ensuring consistent and stable spark delivery, which is crucial for V8 engine efficiency.

Key features that stand out:
– Engine Type: Designed for the high-performance 4.7L V8 engine configuration.
– Durability: Coils feature internal ferrite noise suppressors and heat-resistant thermoplastic.
– Premium Plugs: Uses Double Iridium Spark Plugs for maximum lifespan and consistent spark.

Pros:
– Full 8-coil, 8-plug kit for the V8 engine.
– Exceptional 100,000 km lifespan claimed for the double iridium plugs.
– Superior cold-start performance and smoother running engine guaranteed.

Cons:
– Significantly higher cost due to the V8’s 8-coil design and iridium materials.

Best for: 4th Generation 4Runner owners with the 4.7L V8 engine who demand the absolute best in longevity and performance upgrade materials.

Expert Opinion: For V8 owners, skipping on quality can lead to costly and complex repairs. This kit provides commercial-grade longevity, ensuring consistent high-voltage delivery even under heavy load.

DrCax OEM Ignition Coil UF495 C1426 Compatible with Lexus IS F Scion xB Toyota XRS Matrix Tacoma Tundra 4Runner FJ Cruiser Replaces 90919-02248 5C1419-2.4L 2.7L 4.0L 5.0L V6 Engines – 1 Pack

If you only have one coil failure and need a reliable, individual replacement, the DrCax OEM coil is an excellent choice. This single UF495 coil pack is built to strict OE standards, suitable for the popular 4.0L V6 4Runner. DrCax emphasizes quality control testing to ensure their coil will match the output and dependability of your existing healthy coils, restoring peak performance without requiring a full engine refresh.

Key features that stand out:
– Purchase Option: Sold as a single pack for targeted replacement.
– OE Match: Built to match or exceed OE design for superior performance.
– Functionality: Specifically designed to fix single misfire codes and circuit malfunctions.

Pros:
– Ideal for testing or replacing a single faulty coil.
– Strong OE standard ensures reliability when mixed with factory parts.
– Backed by a one-year warranty.

Cons:
– Buying six of these individually is more expensive than buying a set.

Best for: 4.0L V6 4Runner owners who have pinpointed a specific, single failing coil pack.

Expert Opinion: While buying sets is generally recommended for vehicles over 100k miles, targeted replacement with a high-quality single unit like this DrCax coil is a smart, budget-friendly strategy for diagnosing and fixing recent failures.

Yoshi Motors Ignition Coil Pack & NGK Spark Plug + Wireset Replacement For Toyota Tundra 4Runner T100 Tacoma 3.4 V6 1995 1996 1997 1998 2000 2001 2002 2003 2004 UF156 GN10184 9091902212 90919-02212

Yoshi Motors offers another robust, all-in-one replacement kit for the older 3.4L V6 engine, featuring NGK Spark Plugs and the necessary wireset. This kit stands out by using NGK—a highly respected name in spark plug technology—ensuring top-tier performance and reliability. The coils themselves are crafted from high-quality materials to resist high heat and electrical resistance issues, which prevents common failures like cracks and pin holes in the housing.

Key features that stand out:
– Premium Plugs: Includes highly regarded NGK Spark Plugs for guaranteed performance.
– Materials: Ignition coils are designed with high electrical resistance and tolerance against high heat temperatures.
– Direct Fit: Engineered for a versatile, seamless fit in the 3.4L V6 platform.

Pros:
– Pairing with NGK plugs ensures high-quality spark delivery.
– Excellent resistance to heat damage, crucial for long-term reliability.
– Effectively restores drivability and engine performance.

Cons:
– The overall coil pack manufacturing quality might not match the NGK plug quality.

Best for: 3.4L 4Runner owners prioritizing a complete kit that utilizes the trusted quality of NGK spark plugs.

Expert Opinion: NGK plugs are often considered the gold standard for Toyota engines. This combination offers a balanced package where the coil pack provides the necessary voltage, and the NGK plugs ensure optimal delivery.

ENA Set of 1 Ignition Coil 2000 2001 2002 2003 2004 205 2006 2007 2008 2009 Compatible with Toyota Lexus Tundra Sequoia Land Cruiser 4Runner LX470 GX470 GS430 LS430 SC430 V8 4.3 4.7 for UF230 UF493

If you drive a V8 4Runner and only need to replace a single coil, this ENA UF230 unit is compatible with the 4.7L V8 engine. Like the V6 single coil option, this is designed as a direct replacement to fix a specific misfire code. It ensures proper voltage output to the cylinder and maintains reliable operation across a broad range of years (2003–2009 4Runner V8). This is an economical choice when you are sure that only one coil has failed on your large V8 engine.

Key features that stand out:
– V8 Specific: Single replacement for the powerful 4.7L V8 engine.
– Compatibility: Wide compatibility across Toyota and Lexus V8 platforms (UF230 replacement).
– Warranty: Comes with a 1 Year Limited Warranty.

Pros:
– Cost-effective solution for pinpointing and fixing single V8 coil failures.
– Highly cross-compatible with many premium Toyota/Lexus models.
– Built to OE standards for reliable voltage output.

Cons:
– Requires careful diagnosis to ensure you are replacing the correct coil.

Best for: 4.7L V8 4Runner owners needing a single, tested, and reliable coil replacement.

Expert Opinion: Working on V8 ignition systems can be complex. Having a reliable single replacement unit like this helps technicians and DIYers quickly swap out the malfunctioning part without committing to a full 8-pack replacement.

A-Premium Set of 6 Ignition Coil Pack and Iridium Spark Plugs Compatible with Toyota 4Runner 2003-2009, Tundra 2005-2011, 4.0L

This A-Premium set is specifically aimed at the 4.0L V6 4Runner, providing 6 coils and 6 high-quality Iridium spark plugs. This combination is critical because Iridium extends the plug’s life nearly threefold compared to standard nickel, guaranteeing a stable idle speed and superior performance. The coils themselves are meticulously crafted, featuring specific resistance and inductance measurements (0.79 ohms primary resistance) that ensure they meet the precise demands of the 4.0L engine management system.

Key features that stand out:
– Precise Specs: Detailed specifications provided (e.g., primary/secondary resistance) ensuring OE-level function.
– Longevity: Utilizes Iridium spark plugs for extended wear resistance and better fuel efficiency.
– Warranty: Backed by a one-year unlimited-mileage guarantee.

Pros:
– A comprehensive kit that utilizes premium, long-life iridium plugs.
– High level of manufacturing specification ensures compatibility and performance.
– Delivers faster starting and reduced emissions.

Cons:
– May require slightly higher initial investment than kits with copper or platinum plugs.

Best for: 4.0L V6 4Runner owners prioritizing long-term durability and wanting a guaranteed upgrade in plug material alongside reliable coils.

Expert Opinion: The use of Iridium is key here. This set is designed for the owner who wants to install components and forget about ignition maintenance for the next 80,000 to 100,000 miles.

UF495 Ignition Coil & 6176 Double Iridium Spark Plug for 4.0L V6 Toyota 2005-2015 Tacoma,2007-2009 FJ Cruiser,2005-2011 Tundra,2003-2009 4Runner 90919-02248 90919-A2001 5C1419 C1426 (set of 6)

This is arguably one of the best ignition coil for toyota 4runner kits available for the 4.0L V6 generation. It pairs 6 high-quality UF495 coils with 6 Double Iridium Spark Plugs, engineered for an incredibly long life—up to 100,000 kilometers. The coils are designed with advanced features, including stainless-steel springs and superior heat-resistant materials, ensuring maximum voltage transfer and eliminating radiofrequency interference. This kit solves all common ignition issues while providing maximum longevity.

Key features that stand out:
– Supreme Material: Coils paired with Double Iridium Plugs (Model 6176) for extreme durability.
– Advanced Construction: Prevents RF interference and resists heat cycling fractures.
– Wide 4.0L V6 Fitment: Confirmed fit for the 2003–2009 4Runner V6, Tacoma, and FJ Cruiser.

Pros:
– Offers the longest claimed lifespan due to double iridium plugs.
– Coils are designed to improve cold-start performance and eliminate misfires.
– High-quality components match those used in premium Lexus engines.

Cons:
– Instructions are not included, though installation is generally straightforward.

Best for: 4.0L V6 4Runner owners who want the absolute highest quality, longest-lasting coil and plug combination available on the market.

Expert Opinion: When reliability is paramount, double iridium plugs paired with robust coils like these are the way to go. This set is a high-performance investment that guarantees superior combustion efficiency and peace of mind for heavy-duty use.

Comparison Short Insights

When evaluating the best ignition coil for toyota 4runner, the primary factor is engine type, as coil designs differ significantly.

For the V6 3.4L older models (1996-2002), you need 3 coil packs plus wires and plugs. The ENA Set of 3 is a great basic OE replacement coil option, while the Yoshi Motors and HYR kits offer superior value by including the crucial wireset and spark plugs. The HYR kit stands out for its high-output German copper wire and premium iridium plugs.

If you own the newer V6 4.0L 4Runner (2003-2009), you require 6 Coil-On-Plug units (UF495 type). The Set of 6 Ignition Coil Packs (Product 1) offers a fantastic performance boost (15% more energy) without breaking the bank. However, for those seeking maximum longevity, the A-Premium and UF495 Double Iridium kits are highly recommended, as the iridium plugs guarantee up to 100,000 miles of reliable service. The DrCax single coil is perfect for a quick, targeted fix.

Finally, for 4.7L V8 4Runner owners, the focus shifts to 8 coil packs (UF230 type). The UF230 Double Iridium kit is the clear premium choice for full overhaul, delivering industrial-grade longevity essential for the V8 platform. The ENA single coil option serves as an excellent replacement for diagnosing specific V8 misfires.

Final Verdict: Choosing Your 4Runner’s Next Coil

Deciding on the best ignition coil for toyota 4runner comes down to balancing your specific engine type, budget, and desired maintenance interval.

If you have the 3.4L V6 (3rd Gen):
Go for the HYR Ignition Coils and Iridium Spark Plugs and Wires Ignition Coils Pack. This package provides everything you need—coils, wires, and long-life iridium plugs—ensuring you don’t have to revisit the ignition system for many years.

If you have the 4.0L V6 (4th Gen):
The winner for overall performance and longevity is the UF495 Ignition Coil & 6176 Double Iridium Spark Plug (set of 6). This kit offers professional-grade coils paired with the longest-lasting plugs available, maximizing your engine’s efficiency and reducing future maintenance headaches.

If you have the 4.7L V8 (4th Gen):
The UF230 Ignition Coil & 4504 Double Iridium Spark Plug set is the mandatory choice. The V8 needs the stability of premium double iridium to maintain its power output and prevent common misfires related to high cylinder heat.

Best Ignition Coil For Toyota 4Runner FAQ

Q: Why do I need to replace all my ignition coils at once, even if only one is bad?

A: While you can certainly replace a single faulty coil, it is generally recommended to replace all of them, especially if your 4Runner is high mileage (over 100,000 miles). Ignition coils age and degrade similarly. If one coil fails, the others are likely close behind, and replacing them all together ensures consistent voltage output across all cylinders, preventing future misfires and improving overall engine performance and fuel economy.

Q: How do I know if my 4Runner ignition coils are failing?

A: Common symptoms of a failing ignition coil include rough idling, hesitation or stalling under acceleration, sudden loss of power, reduced fuel efficiency, and the Check Engine Light illuminating. Often, a code reader will display specific misfire codes (P030X, where X is the cylinder number), which helps pinpoint the affected coil pack.

Q: Is there a difference between the ignition coils for the 4.0L V6 and the 4.7L V8 4Runner engines?

A: Yes, there are major differences. The V6 4.0L uses 6 individual Coil-on-Plug (COP) units (UF495 replacement type). The V8 4.7L requires 8 individual COP units (UF230 replacement type). The older 3.4L V6 (3rd Gen) uses only 3 coil packs and relies on spark plug wires. Always verify the specific engine code and required part number (like UF495 or UF230) before purchasing the best ignition coil for toyota 4runner.

Q: Are aftermarket coils as good as OEM (Original Equipment Manufacturer) parts?

A: Many high-quality aftermarket coil manufacturers meet or even exceed OEM specifications. Brands reviewed here, like ENA and those offering enhanced output, often utilize better materials (like highly conductive copper or superior epoxy) than the original factory coils. If you choose a reputable brand, aftermarket coil packs can provide equal or superior reliability and value.

Q: Do I need to replace the spark plugs and wires when replacing the ignition coils?

A: For the newer 4.0L V6 and 4.7L V8 models (COP design), replacing the spark plugs simultaneously is highly recommended, as they wear at a similar rate and installing new plugs is easier when the coils are already removed. For the older 3.4L V6, replacing the coils, plugs, and spark plug wires (since they are integral to the system) is essential for a complete ignition system refresh.

Q: How long should a set of new ignition coils last in a Toyota 4Runner?

A: Quality aftermarket or OEM ignition coils are generally expected to last between 75,000 to 100,000 miles under normal driving conditions. Using premium materials like double iridium spark plugs alongside your new coils can maximize the lifespan of the entire ignition system, potentially pushing performance further between maintenance intervals.