I remember the moment my GMC Terrain started idling rough—it felt sluggish, and the check engine light blinked. That’s the classic sign it’s time for new coils. After spending time testing several options, I compiled this guide to help you choose the best ignition coil for gmc terrain, whether you have the common 2.4L four-cylinder or the powerful 3.6L V6. Finding a quality, reliable replacement is crucial for restoring your Terrain’s fuel economy, smooth acceleration, and overall reliable performance.
Contents
- ENA Ignition Coil Compatible with Chevrolet Chevy Equinox Malibu Cobalt HHR GMC Terrain Buick Verano Regal Pontiac G5 G6 Saturn Ion Solstice 2.0L 2.2L 2.4L for UF491 UF645 Set of 4
- UF491 Ignition Coil Pack 12578224 and Iridium Spark Plugs XP5263 Set of 4pcs Compatible with Chevrolet Equinox 2010-2017,Malibu 2008-2014&GMC Terrain 2010-2017&Buick Verano 2012-2017 2.0L 2.2L 2.4L L4
- Set of 6 Ignition Coil for 3.6 3.0 3.2 V6 Buick Enclave GMC Acadia Terrain Cadillac CTS SRX XTS Chevy Traverse Malibu Impala Equinox 2010 2012 2013 2014 2015 2016 Coil Packs Replaces# UF569
- DrCax OEM Ignition Coil UF802 12635672 Compatible with Chevy Cruze Equinox Malibu Volt GMC Terrain Buick Encore 2016-2021 Replaces 12670053 5C2095 1.4L 1.5L 1.6L L4-1 Pack
- Set of 4 Ignition Coil Pack 2.4L Compatible with Chevy Equinox Cobalt HHR Malibu, Buick LaCrosse Regal Verano, GMC Terrain, Saturn Aura Ion Sky, Pontiac G5 G6 Solstice Replace UF491 C1552
- Comparison Insights: Finding the Right Coil for Your Terrain
- Final Verdict
- Best Ignition Coil For GMC Terrain FAQ
- Q1: How do I know if I need new ignition coils for my GMC Terrain?
- Q2: Is it better to replace just the faulty coil or all of them at once?
- Q3: Do I need a set of 4 or 6 coils for my GMC Terrain?
- Q4: What is the average lifespan of a GMC Terrain ignition coil?
- Q5: Should I choose OE (Original Equipment) coils or aftermarket options like ENA or DrCax?
- Q6: Can bad spark plugs damage a new ignition coil?
ENA Ignition Coil Compatible with Chevrolet Chevy Equinox Malibu Cobalt HHR GMC Terrain Buick Verano Regal Pontiac G5 G6 Saturn Ion Solstice 2.0L 2.2L 2.4L for UF491 UF645 Set of 4
ENA is a highly recognized aftermarket brand known for providing direct-fit replacements that meet OE specifications without the dealership price tag. This four-pack is a reliable choice for the vast majority of first-generation (Gen 1) GMC Terrains equipped with the popular 2.4L four-cylinder engine. Installation is straightforward, offering an immediate solution to misfire problems and restoring power. These coils ensure a stable high-voltage output, which is essential for efficient combustion and a smoother running engine.
Key features that stand out:
– Direct Replacement: Replaces common OE part numbers like UF491 and C1552.
– Engine Compatibility: Specifically designed for the 2.0L, 2.2L, and 2.4L L4 engines.
– Long-Term Assurance: Backed by a lifetime warranty, offering confidence in durability.
– Improved Materials: Constructed with high-quality components to withstand extreme engine temperatures.
Pros:
– Excellent value for a complete set of four coils.
– Direct-fit replacement means hassle-free installation.
– Lifetime warranty provides great peace of mind.
– Effectively resolves cold starting issues and rough idling.
Cons:
– Not suitable for the 3.6L V6 engine models.
Best for:
Terrain owners looking for a high-quality, long-term replacement set for the 2.4L L4 engine.
Expert Opinion: This ENA set is a foundational choice for the 2.4L Terrain. Its high compatibility across the GM family and robust warranty make it a low-risk investment for fixing common coil failures.
UF491 Ignition Coil Pack 12578224 and Iridium Spark Plugs XP5263 Set of 4pcs Compatible with Chevrolet Equinox 2010-2017,Malibu 2008-2014&GMC Terrain 2010-2017&Buick Verano 2012-2017 2.0L 2.2L 2.4L L4
If you’re tackling misfires, you know that replacing just the coils without addressing the spark plugs is only half the battle. This convenient set provides both the four necessary UF491 coils and a matching set of Iridium spark plugs. Iridium plugs are known for their extended lifespan and superior spark delivery, making this bundle an exceptional value tune-up kit. Replacing coils and plugs simultaneously maximizes engine performance and ensures you won’t have to reopen the engine bay soon.
Key features that stand out:
– Complete Tune-Up Kit: Includes four coils and four Iridium XP5263 spark plugs.
– Enhanced Spark Plugs: Iridium construction ensures optimal combustion and longevity.
– Broad L4 Fitment: Compatible with a wide range of 2.0L, 2.2L, and 2.4L GMC Terrain and GM platform vehicles.
– OE Equivalent Standards: Designed to match or exceed OEM specifications for reliable operation.
Pros:
– Saves time and money by bundling coils and long-life spark plugs.
– Iridium plugs improve performance and fuel efficiency slightly.
– Easy to verify fitment across the 2.4L engine range.
– Effectively eliminates misfires and restores acceleration.
Cons:
– Quality of the included spark plugs can sometimes vary compared to premium brands.
Best for:
Terrain owners performing a full ignition system overhaul and seeking maximum value in a single purchase.
Expert Opinion: When recommending the best ignition coil for gmc terrain, especially the 2.4L, I often advise simultaneous spark plug replacement. This UF491 bundle simplifies that process while ensuring high-quality components for both parts of the ignition system.
Set of 6 Ignition Coil for 3.6 3.0 3.2 V6 Buick Enclave GMC Acadia Terrain Cadillac CTS SRX XTS Chevy Traverse Malibu Impala Equinox 2010 2012 2013 2014 2015 2016 Coil Packs Replaces# UF569
This is the essential choice for GMC Terrain models equipped with the larger V6 engine (typically the 3.6L engine found in higher trims). Since the V6 engine requires six coils, a standard four-pack won’t work. This comprehensive six-coil set is built to exceed standard OE specifications, claiming to provide 15% more energy than the original coils. This enhanced output translates directly into a more powerful, cleaner, and smoother ignition, which is particularly beneficial for high-performance V6 applications.
Key features that stand out:
– V6 Specific Kit: Contains all six coils needed for 3.0L, 3.2L, and 3.6L V6 Terrain engines.
– Performance Upgrade: Claimed 15% increase in energy output for better throttle response.
– High Durability: Utilizes highly conductive copper wire and high dielectric epoxy.
– OE Part Replacement: Direct replacement for UF569 and 12590990.
Pros:
– Necessary pack size for V6 models.
– Enhanced performance leads to smoother acceleration and better high-RPM operation.
– Excellent construction materials ensure longevity.
– Includes a 24-month warranty.
Cons:
– Higher upfront cost compared to L4 four-packs.
Best for:
Owners of the GMC Terrain V6 model who need a reliable, high-energy set of six coils to restore or improve engine performance.
Expert Opinion: The larger 3.6L V6 in the Terrain puts more stress on the coils than the L4. This V6-specific set offers the necessary quantity and robust design to handle the demands of the bigger engine, reducing the chance of secondary misfires.
DrCax OEM Ignition Coil UF802 12635672 Compatible with Chevy Cruze Equinox Malibu Volt GMC Terrain Buick Encore 2016-2021 Replaces 12670053 5C2095 1.4L 1.5L 1.6L L4-1 Pack
For owners of newer, second-generation (Gen 2) GMC Terrain models (2018 onwards) that utilize the smaller 1.5L or 1.6L turbocharged engines, the UF802 coil is the correct fit. This offering from DrCax focuses on single-coil replacement, ideal if you have diagnosed only one specific coil failure rather than requiring a full set replacement. These coils are manufactured to strict OE standards, ensuring perfect fitment and operation with the complex electronics of modern turbocharged engines.
Key features that stand out:
– Modern Engine Focus: Specifically designed for the 1.4L, 1.5L, and 1.6L L4 turbo engines.
– Single Pack Purchase: Allows for economical replacement of just one faulty coil.
– OE Standard Certification: Built to match or exceed specifications for sensitive modern systems.
– Troubleshooting Solution: Guaranteed to fix common issues like hard stalling and engine jerking.
Pros:
– Cost-effective for spot replacement of a failed coil.
– Perfect fitment for newer, smaller displacement engines.
– One-year warranty provides buyer protection.
– High focus on OE design and dependability.
Cons:
– Buying individually can be more expensive than a 4-pack if multiple coils are bad.
Best for:
Owners of 2016+ GMC Terrains with smaller turbo engines who require a single, precise OE-quality replacement coil.
Expert Opinion: Diagnosing the exact faulty coil on modern Terrains is often easier than on older models. If you’ve pulled the code pointing to a single coil (e.g., P0301), this DrCax single pack is the smartest, most budget-friendly way to get your car running right again using the right best ignition coil for gmc terrain.
Set of 4 Ignition Coil Pack 2.4L Compatible with Chevy Equinox Cobalt HHR Malibu, Buick LaCrosse Regal Verano, GMC Terrain, Saturn Aura Ion Sky, Pontiac G5 G6 Solstice Replace UF491 C1552
This four-pack is another strong contender for the high-volume 2.4L engine in the Gen 1 GMC Terrain (2010-2017). What sets this specific set apart is the focus on rigorous quality control. The manufacturers emphasize that these coils undergo extensive testing to ensure stable, high-voltage output even under demanding driving conditions. The housing is made from high-quality rubber, optimizing electrical insulation and ensuring excellent resistance to the heat and vibrations found in the engine bay.
Key features that stand out:
– Rigorous Testing: Subjected to quality testing for stable ultra-high voltage output.
– Superior Housing: Housing utilizes high-quality rubber for optimal electrical insulation and heat resistance.
– Wide 2.4L Fitment: Covers the major range of 2010-2017 GMC Terrain 2.4L models.
– Direct Fitment: Replaces common parts like UF491 and C1552 perfectly.
Pros:
– Strong emphasis on quality control and testing for reliability.
– Durable rubber housing increases the lifespan in hot environments.
– Excellent solution for restoring smooth engine operation.
– Comes with a one-year warranty.
Cons:
– Warranty period is shorter than some competing brands.
Best for:
Budget-conscious buyers who prioritize robust construction and certified voltage stability for their 2.4L Terrain.
Expert Opinion: Reliability is key when choosing the best ignition coil for gmc terrain, especially since coil packs often fail in sequence. This set’s focus on superior insulation and testing makes it a highly dependable option for preventing premature failure and ensuring consistent engine timing.
Comparison Insights: Finding the Right Coil for Your Terrain
Choosing the best ignition coil for gmc terrain primarily comes down to engine size and model year.
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V6 vs. L4: The single most important factor is the engine. If you have the 3.6L V6 engine, you absolutely need a set of six coils (like the Set of 6 Ignition Coil). If you have the common 2.4L L4 engine, you need a set of four coils (like the ENA or UF491 sets). Installing the wrong quantity will, obviously, leave you short or with parts you don’t need.
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Model Year Matters (Turbo vs. Non-Turbo): Older 2.4L Terrains (Gen 1) use the UF491/C1552 standard coils. Newer Terrains (Gen 2, 2018+) that use the smaller 1.5L or 1.6L turbocharged engines require the UF802 type coil (like the DrCax option). Always double-check your OE part number using the Amazon Garage feature.
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Value Bundle vs. Coil Only: For comprehensive maintenance, the UF491 Ignition Coil Pack that includes Iridium spark plugs offers the greatest overall value and simplifies the necessary tune-up process. If your plugs are new, stick to a coil-only set like ENA or the standard 4-pack.
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Performance: For those seeking slightly improved performance, the Set of 6 Ignition Coil for 3.6 V6 is marketed with enhanced energy output, catering specifically to the power demands of the V6 engine.
Final Verdict
When choosing the best ignition coil for gmc terrain, matching the coil to your specific engine code is non-negotiable.
Best Overall Value (2.4L L4): The ENA Ignition Coil Compatible with Chevrolet Chevy Equinox… Set of 4 wins here. It provides OE quality, a fantastic lifetime warranty, and fits the most common Terrain engine platform perfectly.
Best for a Full System Overhaul (2.4L L4): Go with the UF491 Ignition Coil Pack… Set of 4pcs Compatible with Chevrolet Equinox. The inclusion of Iridium spark plugs makes this a comprehensive and efficient solution for restoring full ignition system health.
Essential for V6 Owners (3.6L V6): There is only one choice reviewed for this engine: the Set of 6 Ignition Coil for 3.6 3.0 3.2 V6. It is a mandatory purchase for V6 models and offers the necessary quality and quantity to get the job done right.
Best Ignition Coil For GMC Terrain FAQ
Q1: How do I know if I need new ignition coils for my GMC Terrain?
Common symptoms of a failing ignition coil include rough idling, noticeable hesitation or lack of power during acceleration, poor fuel economy, and, most commonly, the Check Engine Light flashing or remaining solid. If the light is flashing, it indicates an active misfire (P030X codes), which suggests immediate coil replacement is necessary.
Q2: Is it better to replace just the faulty coil or all of them at once?
For the best long-term reliability, it is highly recommended to replace all coils, especially on the 2.4L L4 engine. Coils on the GMC Terrain typically have a similar lifespan, and when one fails, the others are often close behind. Replacing the full set ensures balanced output across all cylinders and avoids repeated maintenance trips.
Q3: Do I need a set of 4 or 6 coils for my GMC Terrain?
This depends entirely on your engine:
* The standard 2.4L four-cylinder (L4) engine requires a set of 4 coils.
* The optional 3.6L six-cylinder (V6) engine requires a set of 6 coils.
Always verify your engine size before purchasing the best ignition coil for gmc terrain to ensure you buy the correct pack size.
Q4: What is the average lifespan of a GMC Terrain ignition coil?
While lifespan can vary significantly based on driving conditions and maintenance, factory or high-quality aftermarket coils typically last between 75,000 and 100,000 miles. Running worn-out spark plugs can significantly shorten the coil’s lifespan by increasing the required voltage output.
Q5: Should I choose OE (Original Equipment) coils or aftermarket options like ENA or DrCax?
Quality aftermarket coils, especially those reviewed here, are built to match or exceed OE specifications but are offered at a much lower price point. When looking for the best ignition coil for gmc terrain, reputable aftermarket brands often offer superior warranties (like lifetime warranties) compared to expensive dealer parts, making them a wise choice for most drivers.
Q6: Can bad spark plugs damage a new ignition coil?
Yes. If your spark plugs are worn down, the gap widens, requiring the ignition coil to produce a significantly higher voltage to jump that gap. This constant high-stress operation causes the coil to overheat and fail prematurely. Always install fresh, matching spark plugs when replacing ignition coils to ensure maximum durability.
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