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Picking the right spark plug for your Chevrolet Traverse matters because the plug directly affects ignition reliability, fuel efficiency, and engine smoothness. Worn or incorrect plugs can cause rough idle, harder starts, or intermittent misfires that show up as drivability issues. This guide covers seven shortlisted spark plugs that suit common Traverse engines and driving conditions. We evaluated each option for fitment accuracy, electrode life, heat range, and long-term durability. Read on for practical guidance to help you pick the right replacement and what to expect during installation.
Looking for other parts? See all Chevrolet Traverse parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | NGK V-Power TR55 Spark Plugs (6-Pack) |  |
| Most Popular A crowd favorite that many people choose with confidence | NGK G-Power Platinum Spark Plugs, 8-Pack (TR5GP) |  |
| Best Quality Built to a higher standard if you want something more solid | DEEGOOLY UF375 Ignition Coil Pack with Iridium Spark Plugs (6-piece) |  |
| Best Budget The cheapest option that still gets the job done reliably | EMIHO Double Iridium Spark Plugs — 6 Pack |  |
| Most Sold A high-volume bestseller chosen again and again | ACDelco 41-962 Professional Platinum Spark Plugs (8-pack) |  |
| Best Value for Money The sweet spot between price and what you get | NGK Iridium IX Spark Plugs LTR6IX-11 (6 pack) |  |
| Best Overall The best all-around choice for most situations | X4XZ UF569 Ignition Coil and 12622561 Double Iridium Spark Plug Kit |  |
1. NGK V-Power TR55 Spark Plugs (6-Pack)
| Brand | NGK |
|---|---|
| Core Material | Copper |
| Thread Size | 14 milimeters |
| OEM Part Number | TR55 |
These NGK V-Power TR55 spark plugs are a straightforward factory-quality replacement sold in a six-pack for routine tuneups on Chevrolet Traverse engines that specify this plug. They deliver a solid, consistent spark across a wider heat range than standard plugs and resist carbon buildup and pre-ignition, which helps maintain smooth idle and steady throttle response. The plugs use a patented triple gasket seal to prevent combustion gas leakage and are built around a copper core for dependable conductivity. In practice they are installed during scheduled tuneups or when misfire, rough idle, or reduced fuel economy appears. The practical benefits are reliable ignition, easier troubleshooting due to consistent plug condition, and lower cost per plug compared with premium iridium or platinum options. Limitations are that copper plugs typically have shorter service life than precious-metal designs and may require replacement sooner on high-mileage Traverse engines or severe driving conditions. These are a sensible reliability-focused choice when you want factory-spec performance without premium cost.
Best for: Reliability-focused buyers who prioritize consistent, factory-style ignition and lower upfront cost for routine maintenance on a Chevrolet Traverse.
Less Ideal for: Drivers seeking maximum service life or a small performance gain should consider precious-metal spark plugs instead.
- Factory-quality replacement design suitable for scheduled tuneups on compatible engines
- Resists carbon buildup and pre-ignition for more consistent combustion
- Patented triple-gasket sealing reduces chance of combustion gas leakage
- Sold in a six-pack that covers a full multi-cylinder tuneup
- Copper-core construction offers good conductivity but shorter service life than iridium or platinum plugs
- Not a performance upgrade for power or longevity compared with precious-metal alternatives
Verdict A dependable, factory-style six-pack of copper NGK spark plugs that keeps a Chevrolet Traverse running reliably at a lower upfront cost, but with shorter lifespan than precious-metal options.
2. NGK G-Power Platinum Spark Plugs, 8-Pack (TR5GP)
| Core Material | Platinum |
|---|---|
| Thread Size | 14×1.25mm |
| Vehicle Service Type | Car, Truck |
| Position | Center |
These NGK G-Power Platinum spark plugs are a vehicle-specific replacement set sold as an eight-pack for routine tune-ups. They use a platinum firing end and a triple-gasket sealing process to reduce combustion leakage and resist carbon buildup, which helps maintain consistent spark performance and smoother idling on long-running V6 engines. Installation is the same as other threaded spark plugs and users typically check and adjust the gap before fitting. The platinum construction broadens the heat range compared with standard plugs and can extend service intervals versus basic copper plugs, so they are practical for owners who want fewer maintenance visits. Buyers should verify the TR5GP is the correct fit for their Traverse engine and be prepared to regap a few plugs if gaps arrive slightly out of spec. These are a straightforward factory-quality replacement that balance durability and everyday drivability for a family crossover.
Best for: Convenience-driven buyers who want a reliable, low-maintenance factory-quality replacement set for routine tune-ups on their Chevrolet Traverse.
Less Ideal for: Drivers looking for high-end performance spark plugs or those who prefer aftermarket tuning parts for modified engines should consider alternatives.
- Platinum firing tip for longer life and wider heat range than standard copper plugs
- Triple-gasket seal to minimize combustion gas leakage
- Sold as an 8-pack, convenient for full-engine replacement in a single purchase
- Vehicle-specific fitment reduces guesswork when matching spark plugs to the engine
- Some units may arrive with gaps outside factory specification and require regapping
- Not a performance-grade iridium option for drivers seeking maximum ignition efficiency
Verdict A practical, factory-quality eight-pack of platinum spark plugs that simplifies routine replacement for Chevrolet Traverse owners who prioritize convenience.
3. DEEGOOLY UF375 Ignition Coil Pack with Iridium Spark Plugs (6-piece)
| Brand | DEEGOOLY |
|---|---|
| Vehicle Service Type | Car |
| Connector Gender | Male |
| Installation Type | Screw-In |
| Automotive Fit Type | Vehicle Specific Fit |
This DEEGOOLY kit combines six ignition coils with matching iridium spark plugs to restore spark delivery and engine smoothness on compatible 3.6L V6 Chevrolet and GM vehicles. It is used as a direct replacement when coils are failing or spark plugs are worn, plugging into the factory harness and screwing into the factory cylinder head without special adaptors. Notable features include vehicle-specific fitment for the UF375 family and corrosion-resistant machined exteriors intended for longer service life. In practical terms the kit aims to fix misfires, rough idle, and power loss while offering a complete set so you can replace all cylinders at once for consistent performance. Limitations to note are that this is an aftermarket assembly rather than a factory-brand part and compatibility must be confirmed against the vehicle part number; users should verify fit before installation. Overall the parts are straightforward to install and provide a cost-effective way to revive ignition performance on the specified 3.6L V6 models.
Best for: Performance-oriented owners who prioritize restoring engine power and smoothness on a 3.6L V6 Chevrolet Traverse and prefer replacing all ignition components at once for consistent performance.
Less Ideal for: Shoppers seeking OEM-branded parts or those who prefer single-component replacements should consider factory-quality parts or individual coils/plugs instead.
- Complete six-piece kit replaces coils and spark plugs together for consistent cylinder performance
- Vehicle-specific fit for UF375 applications minimizes fitment issues when matched correctly
- Iridium spark plugs and corrosion-resistant exterior aim to improve longevity and stable ignition
- Screw-in installation works with factory installation methods for most DIYers or technicians
- Aftermarket part rather than factory-brand replacement which may differ in long-term durability
- Requires confirming the exact UF375 part reference to ensure compatibility before purchase
Verdict A complete aftermarket coil-and-plug kit focused on restoring 3.6L V6 ignition performance when matched to the UF375 application.
4. EMIHO Double Iridium Spark Plugs — 6 Pack
| Core Material | Iridium |
|---|---|
| Thread Size | 14mm |
| Top Material Type | Ceramic |
| Automotive Fit Type | Vehicle Specific Fit |
These EMIHO double-iridium spark plugs are a budget-oriented replacement set designed to deliver improved ignition and longer service life compared with standard plugs. They are typically used as a direct replacement during routine tune-ups to restore crisp starting and steadier idle on compatible GM V6 engines. The double iridium electrode and ceramic insulator aim to produce a strong, consistent spark that helps combustion efficiency and can modestly reduce fuel consumption. In practice they offer a clear cost advantage for owners who want better durability than basic copper plugs without the premium of top-brand iridium parts. Installation follows normal spark-plug procedures with attention to gap and torque. Limitations include variable fit and finish between aftermarket batches and fewer documented performance guarantees compared with factory-quality plugs, so expect a bit more variation in lifespan and consistency. For a budget rebuild or midlife tune-up on a Traverse, they provide a practical compromise between price and improved ignition performance.
Best for: Budget-conscious owners seeking an inexpensive upgrade from basic plugs who prioritize lower upfront cost and longer service life over brand-name assurance.
Less Ideal for: Drivers who prefer factory-quality parts, extended warranties, or are restoring a vehicle to OEM specification should consider higher-tier or OEM replacement plugs instead.
- Double iridium electrode designed for better wear resistance and longer service life than standard plugs
- Sold as a six-pack to replace all cylinders at once for a V6 engine
- Ceramic insulator construction for stable high-voltage performance and reliable ignition
- Affordable option that improves ignition performance and fuel combustion efficiency compared with basic plugs
- Aftermarket quality can vary and lacks the documented consistency of factory-quality replacement plugs
- Fitment and long-term durability are not backed by broad warranty or manufacturer validation
Verdict A cost-effective six-pack of double-iridium spark plugs that offers improved ignition and longer life for a budget tune-up on compatible Chevrolet V6 engines.
5. ACDelco 41-962 Professional Platinum Spark Plugs (8-pack)
| Brand | ACDelco |
|---|---|
| Core Material | Platinum |
| Thread Size | 14 millimeters |
| Automotive Fit Type | Universal Fit |
These ACDelco 41-962 spark plugs are a factory-quality, eight-piece replacement set intended to restore proper ignition in compatible Chevrolet engines. They use a platinum double-point design and a copper core to keep electrode temperatures lower and improve durability compared with standard nickel plugs. In real-world use you would swap them in during routine tune-ups or when misfires, rough idle, or poor fuel economy appear; many buyers report straightforward installation and reliable fitment when the part number matches the vehicle. The suppressor seal helps reduce radio frequency interference and protects against compression leakage, while the double platinum points promote consistent spark and longer service life. Limitations are that you must confirm the 41-962 fitment for your Traverse engine and some users noted occasional fitment issues where a plug would not thread in cleanly, which can happen on older or damaged heads. For a risk-averse buyer wanting a near-OEM replacement, these aim to balance longevity and predictable performance.
Best for: Practical, risk-averse buyers who prioritize reliable, factory-quality replacements and predictable maintenance outcomes for their Chevrolet Traverse.
Less Ideal for: Buyers seeking high-performance or specialty plugs for tuned engines should consider iridium or performance-specific options instead.
- Double platinum center and ground electrodes for extended life and consistent spark
- Copper core helps manage electrode temperature and resist fouling
- One-piece fired-in suppressor seal reduces radio frequency interference
- Sold as an eight-pack suitable for full V6 or V8 replacement service
- Requires confirming exact fitment for your Chevrolet Traverse engine before purchase
- A small number of users reported difficult threading on installation
Verdict A dependable, factory-style eight-pack of platinum spark plugs for Chevy owners who want a safe, longer-lasting OEM replacement when fitment is confirmed.
6. NGK Iridium IX Spark Plugs LTR6IX-11 (6 pack)
| Brand | NGK |
|---|---|
| Core Material | Iridium |
| Thread Size | 14mm |
| Vehicle Service Type | Car, Truck |
| Position | Center |
These NGK Iridium IX plugs are sold as a six-pack and provide a durable iridium firing tip intended to deliver consistent ignition and longer service life than standard copper plugs. They are used as direct replacements for vehicle-specific applications and arrive pre-gapped for many engines, which simplifies installation for routine maintenance. The iridium core and top material are engineered to resist wear and maintain a stable spark, which helps reduce misfires and can smooth idle and throttle response in everyday driving. Practical buyers will appreciate that the set covers a full service job and that NGK is a widely recognized brand in ignition parts. Downsides to note are that porcelain chips can occur during handling, and some vehicles require careful gap verification before installation; tight access cylinders or torquing procedures may be more challenging for DIYers. These plugs are best when you want a reliable, longer-lasting replacement without moving into race-oriented or premium multi-electrode designs.
Best for: Practical optimizers looking for a cost-effective, longer-lasting factory-quality replacement that covers a full tune-up and reduces how often plugs need changing.
Less Ideal for: Drivers seeking performance-tuned or race-oriented spark plugs with specialized electrode geometries should consider performance-specific options instead.
- Iridium center electrode for longer lifespan and stable spark over time.
- Sold as a six-pack so you have enough plugs for a complete service interval.
- Pre-gapped for many applications which can speed up installation.
- Vehicle-specific fit reduces the chance of incorrect thread or seat fitment.
- Porcelain can be fragile during handling and shipping which may lead to cracked insulators.
- Some vehicles still require checking or adjusting gap for optimal performance.
- No additional anti-seize or installation hardware included.
Verdict A practical, cost-effective iridium replacement sold in a six-pack that gives longer service life and simple, vehicle-specific fitment for routine spark plug replacement in a Chevrolet Traverse.
7. X4XZ UF569 Ignition Coil and 12622561 Double Iridium Spark Plug Kit
| Manufacturer | X4XZ |
|---|---|
| Model | UF569 Ignition Coil &12622561 Double Iridium Spark Plug |
| Fit Type | Vehicle Specific Fit |
| Package | Ignition Coils x6, Spark Plugs x6 |
This kit pairs six ignition coil packs with six double-iridium spark plugs to replace the factory units in compatible GM V6 engines. It is intended as a direct-fit replacement and is typically used when one or more cylinders misfire, the engine idles roughly, or fuel economy drops. The double-iridium plugs are designed for long life and consistent spark delivery, while the coils include internal noise suppression and thermoplastic connectors to resist heat-related cracking. In practice the kit simplifies a multi-cylinder tune-up by supplying all coils and plugs in one purchase and appears to be plug-and-play for vehicles listed as compatible. Buyers report smoother idle, reduced misfires, and modest fuel-economy improvements after installation. Limitations are that the listing does not include an instruction manual and longevity depends on installation care and vehicle condition; buyers should confirm exact model-year fitment for a Chevrolet Traverse before purchase and be prepared to swap components one cylinder at a time if diagnosing a single bad coil or plug.
Best for: Balanced, practical buyers who want a single, economy-minded kit to replace all ignition coils and spark plugs during a scheduled tune-up on a Chevrolet Traverse and prefer convenience over sourcing parts separately.
Less Ideal for: Shoppers looking for a single-component replacement, highest-end branded ignition parts, or those who need manufacturer-backed long-term warranties should consider alternatives.
- Complete kit includes six coil packs and six double-iridium spark plugs for a full V6 tune-up.
- Double-iridium plugs claim long service life and consistent spark for improved cold starts and combustion.
- Coil design includes ferrite noise suppressor and thermoplastic connectors to resist heat-related damage and improve reliability.
- Pre-matched combination reduces parts-sourcing and ensures components are intended to work together.
- No printed installation manual included, so DIYers should have repair information or procedures available.
- Durability depends on vehicle condition and installation quality rather than being guaranteed by the listing.
- Fitment must be verified for specific model years of the Chevrolet Traverse before installation.
Verdict A convenient, budget-conscious full kit that replaces all V6 coils and plugs for compatible Chevrolet Traverse models, but confirm fitment and expect to provide your own installation guidance.
Choosing the Right Chevrolet Traverse Spark Plug: Key Factors to Consider
Fitment and Thread Reach
Correct fitment is essential because an incorrect thread size, reach, or seating depth can cause engine damage or poor combustion. Always verify that the plug matches the engine’s thread pitch, hex size for the socket, and reach so the tip sits at the right distance from the combustion chamber.
Improper reach can change compression sealing or physically interfere with pistons in severe cases. Fitment also affects heat transfer from the tip to the cylinder head, which ties into heat range considerations. For routine maintenance, plugs that match factory specs simplify torque application and reduce the risk of cross-threading.
Electrode Material and Longevity
Electrode composition influences lifespan and long-term performance. Iridium or platinum alloys typically last longer than standard copper cores because they resist wear and maintain a consistent firing gap over many miles.
Longer-life electrodes reduce the frequency of spark plug replacement and help preserve ignition quality between service intervals. Consider the expected mileage rating and how often you prefer to perform service when choosing electrode material.
Spark Plug Gap and Combustion Stability
The spark plug gap affects the energy required to initiate combustion and can influence mid-range throttle response and idling smoothness. A gap that is too wide may cause misfires under load, while a gap that is too narrow can reduce combustion efficiency.
Verify or adjust the gap to the engine manufacturer’s specification during installation. Some plugs come pre-gapped for specific engines, which can save time, but always confirm the gap before fitting to avoid drivability issues.
Heat Range and Operating Conditions
Heat range determines how quickly the plug tip dissipates heat into the cylinder head and affects resistance to fouling or pre-ignition. A colder plug is less likely to overheat under high-load driving, while a hotter plug can help burn off deposits during frequent short trips.
Select a heat range that aligns with your typical driving style and the engine’s thermal characteristics. Using the correct heat range helps prevent deposit buildup and reduces the chance of spark-related engine knock.
Resistance to Fouling and Deposits
Some engines and fuel systems are more prone to oil or carbon fouling, which degrades spark quality. Plugs designed with features that resist deposit build-up, such as fine-wire electrodes and improved insulator profiles, maintain performance longer between services.
Consider your driving patterns—short trips and cold environments often promote fouling. Choosing a plug with better fouling resistance improves cold-start behavior and reduces intermittent misfires.
Ease of Installation and Serviceability
Plug design affects how easy it is to install or replace components during routine maintenance. Features like clearly marked part numbers, standard hex sizes, and robust construction make hand or shop installation easier and reduce the chance of damage when torquing.
Also factor in the availability of replacement parts and whether the plug is commonly used by technicians. Easier installation lowers labor time and the chance of cross-threading or improper torque that can lead to seal leaks or poor grounding.
FAQ
How often should I replace spark plugs in a Chevrolet Traverse?
Replacement intervals vary with electrode material and driving conditions. Copper-core plugs often require earlier service, while iridium or platinum types typically last longer. Check the vehicle’s maintenance recommendations and inspect plugs for wear or fouling if you notice rough idle or reduced performance.
What are common spark plug symptoms that indicate a problem?
Symptoms often include rough idling, reduced fuel economy, hesitation under acceleration, or engine misfire warning indicators. Cold-start difficulty and intermittent loss of power can also point to spark-related issues. If these occur, inspect the plugs, ignition coils, and wiring for diagnosis.
Can I gap spark plugs myself for the Traverse?
Yes, you can adjust the gap with a proper gap tool if needed. Many plugs arrive pre-gapped close to factory specs, but you should always verify the gap before installation. Use the manufacturer’s recommended specification and avoid bending the electrode excessively when adjusting.
Does heat range matter for everyday driving?
Heat range can matter depending on driving habits. For mostly short trips or stop-and-go traffic, a slightly hotter plug can help burn off deposits. For high-load or towing use, a colder plug helps prevent overheating. Stick close to the engine maker’s recommendation unless a specific driving case requires adjustment.
Will a worn spark plug cause a cold start misfire?
Worn or fouled plugs can contribute to hard cold starts or misfires, especially if deposits or electrode erosion make ignition less reliable. Cold-start misfires often stem from multiple causes, so inspect plugs alongside fuel and ignition components to pinpoint the issue.
How We Chose the Best Chevrolet Traverse Spark Plug
To create this list we focused on the attributes that most affect performance and long-term reliability for Chevrolet Traverse engines. Primary evaluation criteria included correct factory fitment and thread size to ensure proper seating and torque, electrode material and expected service life to judge durability, and recommended spark plug gap and heat range for stable combustion across driving conditions. We also assessed resistance to fouling and deposit buildup, which influences real-world performance during city and highway use, plus construction quality related to sealing and anti-corrosion features. We excluded plugs that lacked clear compatibility data with Chevrolet Traverse engines or had uncertain thread or reach specifications. We also filtered out options without documented heat range guidance or insufficient information on electrode composition. The final shortlist balances service life, consistent ignition performance, and ease of installation for typical owners and independent technicians.
Our full evaluation process is outlined in our review methodology.
Conclusion
Choosing the right spark plug for a Chevrolet Traverse means balancing correct fitment, appropriate heat range, and electrode material for the kind of driving you do. Prioritize plugs that meet the engine’s thread and reach specs, offer proven resistance to fouling, and have a gap suited to the manufacturer’s recommendation. Expect tradeoffs between longevity and initial cost; longer-life electrodes usually reduce service frequency but may change installation details. Focus on fitment accuracy and the heat range that matches your driving to avoid misfires and maintain smooth, reliable starts.
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