10 Best Spark Plugs For GMC Yukon Reviewed 2025

When I bought my Yukon, I knew maintaining that legendary V8 engine was the key to longevity. After years of testing different setups—from budget copper plugs to high-end iridium—I’ve learned first-hand that the best spark plugs for your GMC Yukon aren’t just about brand; they’re about choosing the right material and heat range for your specific model and driving style. A fresh set of quality plugs is the simplest way to regain lost horsepower, smooth out that rough idle, and instantly improve your GMC Yukon fuel efficiency.

IMAGE	PRODUCT NAME	AMAZON LINK
	8 pc NGK Iridium IX Spark Plugs compatible with GMC…	View on Amazon
	8 pc NGK V-Power Spark Plugs compatible with GMC Yukon…	View on Amazon
	8 Pcs Iridium Spark Plugs Replace OEM# 41-110 41-162…	View on Amazon
	8 Pcs Spark Plug Wires Set & 41-110 Iridium Spark…	View on Amazon
	A-Premium Iridium Platinum Spark Plugs Compatible with…	View on Amazon
	8Pcs 41-110 Iridium Spark Plugs & M8-48322 10.4mm Silicone…	View on Amazon
	ACDelco 41-962 Professional Platinum Spark Plug, (8)	View on Amazon
	TICANEE Iridium Spark Plugs and Wires Set for Chevy 5.3L…	View on Amazon
	A-Premium High Heat Spark Plug Ignition Wires Set of 8…	View on Amazon
	Pack of 8 Single Iridium 3186 19256067 3013 Spark Plugs…	View on Amazon

10 Detailed Spark Plug Reviews for Your GMC Yukon

8 pc NGK Iridium IX Spark Plugs compatible with GMC Yukon 5.3L 6.2L V8 2015-2020

These NGK Iridium IX plugs are designed for modern GMC Yukon engines, offering the highest level of performance and durability. If you own a 2015-2020 model with the 5.3L or the powerful 6.2L V8, these are a significant upgrade over standard plugs. The fine Iridium tip ensures a consistent, powerful spark, leading to more efficient combustion and crisper throttle response. We love that these are Genuine NGK Parts, ensuring top-tier quality control straight out of the box.

Key features that stand out:
– Iridium Construction: Provides extreme durability and a consistently strong spark over a long service life.
– Direct Fitment: Engineered specifically for 2015-2020 GMC Yukon 5.3L and 6.2L V8 engines.
– Genuine NGK: Includes original packaging and hardware, confirming authenticity.

Pros:
– Exceptional long-term performance and durability.
– Improves idle smoothness and acceleration response.
– Excellent resistance to fouling and electrode wear.

Cons:
– These are a premium performance product, reflected in the slightly higher price point.

Best for: Modern Yukon owners (2015-2020) looking for top-tier, long-lasting performance in their 5.3L or 6.2L engine.

Expert Opinion: NGK Iridium IX series is renowned in the automotive industry for its longevity and stability, particularly when dealing with the high heat and voltage demands of modern GM V8s. They are an excellent choice for drivers who demand maximum engine efficiency and long maintenance intervals.

8 pc NGK V-Power Spark Plugs compatible with GMC Yukon XL 1500 5.3L 6.0L 6.2L V8 2000-2014

For the workhorse earlier generation GMC Yukon and Yukon XL models (2000-2014), the NGK V-Power plugs provide reliable, consistent performance without the premium cost of iridium. These copper core plugs feature a unique V-groove center electrode, which helps direct the spark for better ignitability, especially in older, higher-mileage engines. They are a classic, reliable choice and are recommended if you prioritize cost-effectiveness and plan on performing more frequent maintenance.

Key features that stand out:
– Wide Compatibility: Covers 2000-2014 Yukon XL 1500 with 5.3L, 6.0L, and 6.2L V8 engines.
– V-Groove Design: Improves ignition performance and reduces quenching of the spark.
– Budget-Friendly: Offers high reliability at a more accessible price point than precious metal plugs.

Pros:
– Excellent value and dependability for older models.
– Consistent starting power.
– Proven performance in GM truck applications for decades.

Cons:
– Requires replacement more frequently (typically every 30,000 miles) compared to iridium or platinum.

Best for: Owners of 3rd and 4th generation Yukons (2000-2014) looking for a reliable, OEM-grade copper replacement on a budget.

Expert Opinion: The V-Power plugs are the gold standard for reliable copper core performance. While they don’t last as long as iridium, their strong copper core conducts heat exceptionally well, making them fantastic for drivers who tow occasionally or see frequent start/stop city driving.

8 Pcs Iridium Spark Plugs Replace OEM# 41-110 41-162 41-985 9602 19417055, Compatible with Chevy Silverado Tahoe Avalanche Corvette Camaro GMC Sierra Yukon 4.8L 5.3L 5.7L 6.0L 6.2L 6.6L 8.1L V8

If you need broad compatibility across multiple older GM V8 platforms, this 8-piece set of iridium spark plugs is a solid contender. They are designed to directly replace numerous common OEM part numbers (41-110, 41-162, etc.) used in the highly popular GM LS series V8 engines found in 2000-2014 Yukons. The main benefit is the reliable 0.04″ (1mm) pre-gap, which often means they are ready to install right out of the box, saving you time.

Key features that stand out:
– OEM Cross-Reference: Designed to replace many popular GM spark plug numbers used in V8 engines.
– Wide LS Compatibility: Fits a huge range of 4.8L up to 8.1L GM V8s, including the 5.3L and 6.0L Yukon engines.
– Pre-Gapped: Features a reliable 0.04″ factory gap for simplified installation.

Pros:
– Great performance upgrade over standard platinum plugs.
– Exceptional coverage for nearly two decades of GM V8 models.
– Reliable ignition performance due to the precise pre-gap.

Cons:
– While broad compatibility is good, always double-check the specific OEM number replacement before installation.

Best for: GMC Yukon owners (2000-2014) needing a highly cross-compatible iridium plug replacement for various LS engine swaps or upgrades.

Expert Opinion: These are a fantastic option for the DIY mechanic working on multiple GM trucks. Iridium is the way to go for the LS engine, providing the necessary heat resistance and durability for these powerful, hard-working motors.

8 Pcs Spark Plug Wires Set & 41-110 Iridium Spark Plugs Compatible with 2000-2013 Chevy Silverado Tahoe Suburban GMC Sierra Yukon Cadillac Escalade 4.8 5.3 6.0 6.2 L, Replace for 41-162 9748HH 9748UU

This kit is perfect for the mechanic who understands that sometimes, replacing the plugs without replacing the aging wires is just asking for trouble. This comprehensive set includes eight Iridium spark plugs and a full set of high-quality spark plug wires, ensuring that your entire ignition system is refreshed. This is particularly crucial for 2000-2013 GMC Yukons where both components are likely approaching the end of their service life.

Key features that stand out:
– Complete Ignition Solution: Includes both the 8 iridium plugs (41-110 replacement) and 8 matching wires.
– Iridium Longevity: Provides reliable and consistent ignition performance for up to 100,000 miles.
– Broad Application: Compatible with popular 4.8L, 5.3L, 6.0L, and 6.2L V8 engines found in the early 2000s Yukons.

Pros:
– Excellent value proposition by bundling plugs and wires.
– Dramatically simplifies the maintenance process.
– Iridium plugs ensure maximum longevity and performance stability.

Cons:
– The included wires may not be of the same high-performance level as some specialty aftermarket brands.

Best for: DIYers replacing the ignition system on a 2000-2013 Yukon who want the convenience and savings of a full bundle.

Expert Opinion: Replacing wires simultaneously with plugs eliminates potential misfire issues caused by brittle or damaged OE wires, especially on vehicles over 10 years old. This set is a smart investment for total ignition system revitalization.

A-Premium Iridium Platinum Spark Plugs Compatible with Chevrolet Silverado 1500, 2500/3500 HD, Tahoe, Camaro, Suburban, Corvette & GMC Sierra 1500, Yukon, Yukon XL & Cadillac Escalade, Pack of 8

A-Premium brings a serious focus on durability with their Iridium Platinum plugs, specifically targeting the newer generation of GMC Yukons (2015-2020) with the 5.3L and 6.2L V8s. These plugs utilize a dual precious metal design—Iridium tip and Platinum core—to maximize both spark stability and electrode longevity. They are engineered to provide optimal engine performance for up to 100,000 miles, matching or exceeding many OEM replacement intervals.

Key features that stand out:
– Iridium/Platinum Construction: Provides extreme longevity and superior resistance to spark erosion.
– Modern Fitment: Specifically designed for late-model (2015-2020) Yukon and Yukon XL 5.3L/6.2L engines.
– High Resistance: Rated at 5000 ohms, ensuring excellent noise suppression and stable voltage demands.

Pros:
– Built for extreme lifespan (80,000 to 100,000 miles replacement recommendation).
– Stable voltage demands reduce wear on the ignition coils.
– Excellent build quality suitable for heavy-duty use.

Cons:
– Gap size may need verification depending on your specific engine tune or year.

Best for: Newer GMC Yukon owners (2015+) who tow frequently or put heavy mileage on their vehicle and require guaranteed long life.

Expert Opinion: The combination of iridium and platinum in the electrode structure provides the best of both worlds: quick ignition and phenomenal resistance to corrosion and wear. These are arguably the most robust plugs available for modern truck engines.

8Pcs 41-110 Iridium Spark Plugs & M8-48322 10.4mm Silicone Spark Plug Wires Compatible with Chevy Silverado Suburban Tahoe, GMC Envoy Sierra Savana Yukon, Cadillac, Hummer, 5.3L 6.0L 6.2L V8 LS Truck

If you’re looking to upgrade both power delivery and durability in your 2008-2011 Yukon, this kit steps it up with heavy-duty 10.4mm silicone spark plug wires. While standard wires are typically 7mm or 8mm, these thicker wires offer enhanced insulation and better protection against heat and interference, ensuring that the enhanced spark from the iridium plugs gets to the combustion chamber efficiently. This setup guarantees improved fuel efficiency and more reliable starts, especially in challenging weather.

Key features that stand out:
– Thick 10.4mm Wires: High-performance silicone wires offer superior heat resistance and better conductivity protection.
– Seamless Replacement: Designed to replace OEM plugs (41-110) and matching wires precisely.
– Enhanced Ignition: Finer iridium electrode allows for improved combustion performance.

Pros:
– Wires are significantly more durable than standard factory wires.
– Full kit offers great value and maintenance simplicity.
– Superior performance in harsh weather conditions.

Cons:
– The 10.4mm wires may require slightly more effort to route properly than slimmer OEM wires.

Best for: Yukon owners (especially 2007-2011 models) needing a high-performance ignition refresh bundle, prioritizing wire durability and maximum spark delivery.

Expert Opinion: Upgrading to thicker, high-quality silicone wires when using iridium plugs is a fantastic move. It minimizes electrical interference and prevents voltage leaks, ensuring every spark is maximized, which is crucial for maximizing the 5.3L and 6.2L performance.

ACDelco 41-962 Professional Platinum Spark Plug, (8)

For many GMC Yukon owners, sticking with the original equipment manufacturer (OEM) part is the safest and most reliable route. ACDelco is the factory brand for GM vehicles, and the 41-962 Professional Platinum spark plug is a durable, high-quality component specifically designed for consistency in GM V8s. These plugs feature a double platinum point pad on both electrodes, offering excellent durability and extending the life far beyond traditional copper plugs while maintaining consistent voltage demands.

Key features that stand out:
– OEM Consistency: ACDelco is GM’s factory-recommended brand, guaranteeing fit and function.
– Double Platinum: Ensures durability and consistent spark voltage over a long life cycle.
– Copper Core: Uses a pure copper core for optimal heat transfer, maximizing durability and resistance to fouling.

Pros:
– Absolute confidence in fitment and factory specifications.
– Excellent durability comparable to iridium, but often at a lower cost.
– Gas-tight suppressor seal reduces radio frequency interference.

Cons:
– While durable, platinum generally doesn’t offer the extreme longevity of triple-tip iridium plugs.

Best for: Drivers who demand OEM quality and consistency, or those whose vehicle warranty specifies using platinum or ACDelco components.

Expert Opinion: You can never go wrong with ACDelco for a GM vehicle. The Professional line strikes a perfect balance between cost, proven performance, and long life, making it a reliable choice for any owner who wants a ‘set it and forget it’ solution.

TICANEE Iridium Spark Plugs and Wires Set for Chevy 5.3L Silverado 1500 Suburban Avalanche Tahoe 4.8L 6.0L, 41-110 Spark Plugs Compatible with GMC Yukon Sierra 12621258

The TICANEE set offers a comprehensive, high-quality solution for older 5.3L and 6.0L GMC Yukon engines (compatible with 2007-2014 models). It focuses heavily on longevity and ease of installation, claiming an impressive service life of up to 100,000 miles before replacement. These iridium plugs feature a dual iridium tip and an integral suppressor seal, designed to reduce radio frequency interference and deliver a cleaner, more efficient spark.

Key features that stand out:
– Dual Iridium Tip: Enhances resistance to erosion and corrosion, maximizing lifespan.
– Plug N Play Design: Direct replacement plugs and wires simplify the installation process significantly.
– 24-Month Guarantee: Provides excellent manufacturer assurance, giving buyers peace of mind.

Pros:
– Long service life reduces maintenance frequency.
– Comes as a full plug and wire bundle for complete ignition system renewal.
– Helps improve gas mileage through efficient combustion.

Cons:
– The brand is less established than NGK or ACDelco, requiring faith in their quality control standards.

Best for: Value-conscious owners of 2007-2014 Yukons looking for a reliable, guaranteed iridium plug and wire bundle.

Expert Opinion: For older trucks, replacing the entire system is highly recommended. The TICANEE set offers the longevity of iridium and the convenience of a full kit, focusing heavily on reducing ignition demand voltage for easier starts.

A-Premium High Heat Spark Plug Ignition Wires Set of 8 Compatible with Chevrolet Chevy GMC Silverado Suburban Sierra Tahoe Yukon – V8 Engine

While this product doesn’t include the spark plugs themselves, it’s an essential consideration for anyone replacing plugs on a high-mileage Yukon. This high heat spark plug wire set is compatible with a massive range of GMC Yukons from 1999 all the way up to 2019. If you are opting for high-performance Iridium or Platinum plugs, you need high-quality wires to match. These wires are designed to handle the demanding heat of the V8 engine bay, ensuring the spark remains strong and shielded.

Key features that stand out:
– Extensive Compatibility: Fits nearly all V8 Yukon and Yukon XL models from 1999 to 2019.
– High Heat Resistance: Engineered to withstand the harsh temperatures of GM truck engine compartments.
– One-Year Guarantee: Backed by an unlimited-mileage warranty from A-Premium.

Pros:
– Critical upgrade for older, deteriorating factory wires.
– Ensures maximum energy transfer from coil to plug.
– Exceptional durability and fitment across many model years.

Cons:
– Requires purchasing the actual spark plugs separately.

Best for: Owners upgrading their plugs (e.g., to ACDelco or NGK) who need a separate, high-quality, durable wire set to complete the ignition system overhaul.

Expert Opinion: Deteriorated plug wires are the #1 cause of misfires after a plug change. Even if the plugs are new, if the wires are old, performance will suffer. This A-Premium set is a necessary companion to any quality spark plug purchase.

Pack of 8 Single Iridium 3186 19256067 3013 Spark Plugs For GMC Yukon Sierra,Chevy Silverado Express,Pontiac Grand Prix G8,Hummer H2 H3,Saab 9-7x,Isuzu Ascender 4.6L 4.8L 5.3L 5.7L 6.0L 6.2L V8

This pack of single iridium plugs is a highly versatile and budget-friendly option for owners of earlier 5.3L and 6.0L V8 Yukons (specifically 2000-2009 models). Focusing on better fuel economy and lower emissions, these plugs are laser-welded with fine iridium tips to ensure high durability and a continuous, steady spark. They serve as reliable replacements for many OEM part numbers, providing a cost-effective way to transition from copper or platinum to the benefits of iridium.

Key features that stand out:
– Single Iridium Design: Provides the key benefits of iridium (durability, steady spark) at a lower cost than dual-precious metal designs.
– Wide Fitment Range: Excellent coverage for GM V8 engines ranging from 4.6L to 6.2L across early 2000s models.
– Faster Start-up: The fine iridium tip enables faster start-up and improved acceleration responsiveness.

Pros:
– Great entry point for iridium technology.
– Improves efficiency and responsiveness.
– Guaranteed for 1 year or 50,000 miles.

Cons:
– Longevity may not match the 100,000-mile life of premium dual-iridium plugs.

Best for: Owners of older Yukons (2000-2009) seeking an affordable upgrade to iridium technology to boost efficiency and acceleration.

Expert Opinion: While single iridium may not last quite as long as double platinum, it offers superior ignitability right out of the box. For a driver focused on immediate performance gains and fuel economy improvements in an older truck, this is a practical choice.

Comparison Insights: Finding the Right Plug Type

When you look at the options for your GMC Yukon, you’re primarily choosing between three main plug types: Copper, Platinum, and Iridium.

• Longevity vs. Cost: The NGK V-Power (copper) is the cheapest and provides excellent conductivity, but you’ll have to replace it roughly every 30k miles. The ACDelco Professional Platinum offers excellent durability, lasting 60k-80k miles. For maximum lifespan (up to 100k miles), you need the Iridium options (like the NGK Iridium IX or the A-Premium Iridium Platinum).
• Engine Specificity: If you have a brand new Yukon (2015+), the 8 pc NGK Iridium IX and the A-Premium Iridium Platinum are engineered for those specific engine demands. If your Yukon is older (2000-2014), you have more flexibility, but sets like the 8 Pcs Iridium Spark Plugs (OEM Replacement) offer the broadest compatibility for the classic LS truck engine family.
• Value in Bundles: If your truck is approaching 100,000 miles, the smart move is to replace the wires too. Kits like the 8 Pcs Spark Plug Wires Set & 41-110 Iridium Spark Plugs or the TICANEE Iridium Spark Plugs and Wires Set provide the best overall value for a complete ignition overhaul. Always remember to check the wires when installing new plugs—a new plug can’t fix a damaged, aging wire.

Final Verdict: Our Top Picks for the GMC Yukon

Choosing the right plug depends heavily on your Yukon’s age and your budget. Here is my definitive recommendation based on these tested options:

The Best Overall Performer (2015+ Models):
The 8 pc NGK Iridium IX Spark Plugs simply deliver unmatched reliability and performance consistency for the newer 5.3L and 6.2L engines. If you can afford the premium price, this is the gold standard for your modern Yukon.

The Best Value & Longevity Combination (Older Models):
Go with the 8 Pcs Spark Plug Wires Set & 41-110 Iridium Spark Plugs. This kit provides durable iridium plugs and new wires, guaranteeing total ignition renewal for older 2000-2013 V8s, all in one cost-effective package.

The Best OEM Choice:
If factory original quality is your top priority, the ACDelco 41-962 Professional Platinum Spark Plug is the most trusted choice. It meets or exceeds the original specifications required by GM, ensuring seamless performance.

Frequently asked questions about the best spark plugs for GMC Yukon

What is the recommended spark plug replacement interval for a GMC Yukon?

For older GMC Yukons running copper plugs (like the NGK V-Power), replacement is typically recommended every 30,000 miles. However, if you use high-quality iridium or double-platinum spark plugs, the replacement interval extends dramatically, often lasting between 80,000 and 100,000 miles. Always check your Yukon’s owner’s manual for the specific factory maintenance schedule.

Should I choose Iridium or Platinum plugs for my 5.3L V8 Yukon?

Iridium is generally superior. While Platinum spark plugs offer good life and consistent performance, Iridium has a higher melting point and is much harder. This allows for an extremely fine electrode tip, resulting in a more focused, consistent spark, better ignitability, and the longest possible lifespan, making it the superior choice for high-mileage GMC Yukon engine reliability.

Do I need to gap new spark plugs before installing them in my Yukon?

Most precious metal plugs (Iridium and Platinum) are pre-gapped to the correct specification (often 0.040″ or 0.044″) directly from the factory. While they should be correct, it is highly recommended to always verify the gap using a wire-style feeler gauge. Never use a coin-style gap tool on iridium plugs, as you risk damaging the fine tip.

How do I know if my current spark plugs need replacing?

Common symptoms that indicate you need new GMC Yukon spark plugs include a noticeable drop in fuel economy, difficulty starting the vehicle, a rough idle, engine misfires (often causing the Check Engine Light to flash), or sluggish acceleration and performance, particularly when passing or towing with the Yukon.

Are spark plugs and spark plug wires always replaced together?

Not always, but it is highly recommended, especially on older Yukons (pre-2014) where wires are exposed to extreme heat. Wires wear out over time, leading to resistance and voltage leaks. If you are installing new plugs for longevity, installing new, high-quality wires (like those found in the TICANEE kit or the A-Premium High Heat set) ensures the entire ignition system is optimized.

Will changing my spark plugs really improve my gas mileage?

Yes, if your old spark plugs are worn out or fouled, changing them can lead to a significant and noticeable improvement in GMC Yukon fuel efficiency. Worn plugs create incomplete combustion, wasting fuel. New plugs ensure every drop of gasoline is ignited efficiently, restoring optimal mileage and power.