Best Spark Plugs For 2012 Ford Fusion

I remember when my 2012 Ford Fusion started feeling sluggish, especially during acceleration. It felt like I was losing gas mileage, and I knew the culprit was likely the aging spark plugs. Finding the right set of 2012 Ford Fusion spark plugs is crucial for restoring smooth idle and overall engine performance, especially considering the different engine sizes offered that year (2.5L, 3.0L, or 3.5L). I’ve compiled a detailed look at the top contenders—including plug-and-coil bundles—to help you easily find the best fit for your specific motor and get back that factory-fresh responsiveness.

IMAGE	PRODUCT NAME	AMAZON LINK
	A-Premium Iridium Platinum Spark Plugs Compatible with Ford…	View on Amazon
	Set of 4 Ignition Coil Pack and Spark Plugs Fits…	View on Amazon
	Autolite Iridium XP Automotive Replacement Spark Plugs,…	View on Amazon
	Autolite APP5364 Double Platinum Automotive Replacement…	View on Amazon
	A-Premium Iridium Platinum Spark Plugs Compatible with Ford…	View on Amazon
	Set of 6 Ignition Coil Pack and Spark Plugs Fits…	View on Amazon
	NGK V-Power Spark Plug TR5 (6 Pack) Compatible With FORD…	View on Amazon
	UF621 Ignition Coils Pack & Iridium Spark Plugs Compatible…	View on Amazon
	ECCPP 4 ignition coils with 4 iridium Spark Plugs,UF621…	View on Amazon
	6PCS UF486 Ignition Coil Pack & SP433 Spark Plugs (3.0L…	View on Amazon

A-Premium Iridium Platinum Spark Plugs Compatible with Ford Escape 2009-2025, Fusion 2006-2020, C-Max, Maverick & Lincoln MKZ & Mercury Mariner, Milan, L4 2.0L 2.3L 2.5L, Pack of 4

This 4-pack of A-Premium plugs is a strong contender if you drive the common 2.5L L4 engine in your 2012 Fusion. Built with a combination of iridium and platinum, these plugs are engineered for extreme durability and long service intervals. You can expect reliable ignition and smooth idling for many years, helping to maintain great fuel economy. They are specifically designed to meet or exceed OEM specs for easy, direct installation.

Key features that stand out:
– Dual-Precious Metal Construction: Features an Iridium tip and Platinum core for enhanced wear resistance.
– Engineered for Longevity: Recommended replacement interval of 80,000 to 100,000 miles.
– Precise Specifications: Comes with the required 0.052″ gap size pre-set (though it’s always best practice to double-check).

Pros:
– Excellent lifespan due to iridium/platinum design.
– Great value replacement for the 4-cylinder models.
– Helps restore strong engine starts and smooth idle.

Cons:
– While pre-gapped, professional gapping may be required for optimal performance.

Best for: Drivers of the 2.5L 4-cylinder Fusion seeking a high-durability, long-life replacement plug.

Expert Opinion: This set provides OE-comparable performance and longevity. The iridium core ensures a strong spark, while the platinum ground electrode minimizes gap erosion, making it ideal for the long haul in commuter vehicles.

Set of 4 Ignition Coil Pack and Spark Plugs Fits for Ford Fusion Escape C-Max Transit Connect Lincoln MKZ Mercury Mariner Milan 2010 2011 2012 2013 2014 2015 2016 2.5 2.0 L4 Replaces# DG507

If your 2012 Fusion is experiencing severe misfires or hesitation, it might be time to replace both the spark plugs and the ignition coils. This comprehensive 4-pack kit offers a convenient solution for L4 engines. The coils are designed with highly conductive copper wire to ensure efficient power delivery, and the set promises a significant upgrade (up to 15% more energy) over failing factory components, immediately restoring responsiveness.

Key features that stand out:
– Complete Kit: Includes four spark plugs and four matching ignition coil packs.
– Enhanced Performance: Coils are designed to exceed OE specifications, improving engine energy output.
– Direct OEM Design: Simple installation process, fitting perfectly into the 2.5L L4 engine.

Pros:
– Excellent value proposition by bundling plugs and coils.
– Immediately addresses potential electrical issues causing misfires.
– Improves cold starts and overall engine smoothness.

Cons:
– Component quality might not match premium standalone brand names.

Best for: L4 owners troubleshooting persistent misfires or those wanting to perform a comprehensive ignition system refresh at a great price.

Expert Opinion: When spark plugs fail, they often put excessive strain on the ignition coils. Replacing both simultaneously is a highly recommended maintenance practice, especially on older vehicles like the 2012 Fusion. This kit offers the convenience to do just that.

Autolite Iridium XP Automotive Replacement Spark Plugs, XP5363 (4 Pack)

The Autolite Iridium XP is a premium, high-performance spark plug known for its excellent ignitability and extended life. Featuring a 0.6mm fine-wire iridium center tip and a platinum protected ground wire, these plugs ensure a focused, consistent spark. This design translates directly into better fuel efficiency and smoother operation for your 4-cylinder Fusion engine. Autolite is a trusted name, offering peace of mind alongside top-tier performance.

Key features that stand out:
– Fine-Wire Iridium Center: Allows for more focused and consistent ignitability, maximizing fuel combustion.
– Platinum Ground Wire: Protects against erosion, maintaining the precise gap over time.
– Extended Change Interval: Designed to last up to 100,000 miles, depending on the engine condition.

Pros:
– Best-in-class ignitability for rapid acceleration.
– Excellent durability and resistance to fouling.
– Trusted brand heritage since 1936.

Cons:
– Higher price point compared to standard platinum plugs.

Best for: 4-cylinder Fusion enthusiasts who prioritize brand quality, maximum fuel efficiency, and the longest possible change intervals.

Expert Opinion: The Autolite XP series is one of the benchmark iridium plugs available. The combination of the fine-wire design and platinum ground electrode provides superior overall performance that’s hard to beat for an OE replacement plug.

Autolite APP5364 Double Platinum Automotive Replacement Spark Plugs (4 Pack)

For drivers who trust the reliability of platinum but want superior durability compared to standard copper plugs, the Autolite Double Platinum is an outstanding choice for the 2.5L L4 motor. These plugs feature platinum firing on both the center and ground electrodes. This platinum-to-platinum firing design ensures virtually no gap erosion over time, leading to consistent performance and easier starts across various driving conditions.

Key features that stand out:
– Platinum-to-Platinum Firing: Provides superior durability and maintains a precise gap for thousands of miles.
– Yttrium Enhanced Ground Electrode: Increases resistance to heat and wear, improving overall longevity.
– Quick Firing: Necked-down center electrode requires less voltage, leading to easier starts.

Pros:
– Exceptional resistance to gap erosion.
– High durability makes it suitable for both standard and coil-on-plug (COP) systems.
– Reliable performance in all weather conditions.

Cons:
– Doesn’t offer the peak ignitability of iridium plugs.

Best for: 4-cylinder owners seeking the durability and reliability of a dual-platinum plug without the premium cost of iridium.

Expert Opinion: Double platinum plugs are a fantastic middle-ground option, offering great longevity (often 50,000–80,000 miles) and rock-solid reliability, especially beneficial in engines prone to higher heat loads.

A-Premium Iridium Platinum Spark Plugs Compatible with Ford Fusion 2010-2012, Edge 2007-2011, Taurus 2008-2012, Taurus X 2008-2009, Flex 2009-2012 & Lincoln MKZ, MKX, MKS, MKT, Pack of 6

This is the correct option for 2012 Fusion owners driving the 3.5L V6 engine. Because V6 engines require six plugs, this pack is specifically configured for that powertrain. Like the 4-pack version, these are Iridium Platinum plugs engineered to deliver exceptional ignitability and impressive longevity (80,000 to 100,000 miles). They come pre-gapped to the required 0.052 inches, ensuring a straightforward replacement.

Key features that stand out:
– V6 Specific: Comes in a pack of six, tailored for the 3.5L Fusion engine.
– Exceptional Ignitability: Engineered alongside OEMs for maximum spark performance.
– Durable Construction: Platinum ground and iridium core work together for long life.

Pros:
– Exact fit and quantity for the 3.5L V6 engine.
– Restores powerful performance and efficient combustion in the larger engine.
– Extremely long replacement interval.

Cons:
– Not compatible with the 3.0L V6 option.

Best for: Owners of the 2012 Ford Fusion equipped with the powerful 3.5L V6 engine who demand reliable, long-lasting iridium technology.

Expert Opinion: When dealing with the V6 engines, the replacement job is often more complex, so installing a high-mileage plug like this Iridium Platinum unit ensures you won’t have to revisit the job anytime soon.

Set of 6 Ignition Coil Pack and Spark Plugs Fits for 3.0 V6 2006-2009 Ford Fusion, 2008-2012 Ford Escape, 2006 Lincoln Zephyr, 2009 Tribute, 2006-2009 Mercury Milan Replaces UF486 DG514 C1594

If your 2012 Fusion is equipped with the 3.0L V6 engine, and you’re experiencing roughness, this complete set of six coils and spark plugs offers the ideal fix. This bundle allows you to completely overhaul your ignition system, often solving issues that a simple plug swap wouldn’t address. The coils are designed with high-quality components to ensure robust power delivery to each plug, enhancing engine performance by up to 15% over old, tired factory parts.

Key features that stand out:
– 3.0L V6 Specific Kit: Includes six coils and six spark plugs needed for this engine configuration.
– Premium Performance Coils: Built to meet or exceed OE specifications for reliable voltage output.
– Enhanced Reliability: Copper wiring and high dielectric epoxy contribute to long service life.

Pros:
– Complete ignition overhaul in one purchase.
– Specifically targets the 3.0L V6 model.
– Includes a 24-month warranty for confidence.

Cons:
– May use standard spark plug materials rather than premium iridium.

Best for: 3.0L V6 Fusion owners who need to replace aging coils and plugs simultaneously to address misfires and restore reliability.

Expert Opinion: The 3.0L V6 is sensitive to voltage drops from failing coils. For maximum stability and to ensure the new plugs fire correctly, using a high-quality coil replacement in tandem is highly recommended.

NGK V-Power Spark Plug TR5 (6 Pack) Compatible With FORD FUSION SEL 2010-2012 3.0L/182

NGK is renowned worldwide for quality ignition components, and the V-Power line offers a solid option for the 3.0L V6 Fusion. Unlike the long-life iridium plugs, the V-Power utilizes a nickel alloy (copper core) design, featuring a unique V-groove center electrode. This design directs the spark to the sharpest edge, increasing ignitability and resulting in lower emissions and strong fuel economy. While they don’t last 100k miles, they provide excellent performance during their service life.

Key features that stand out:
– V-Groove Center Electrode: Improves ignition efficiency by creating a sharp ignition edge.
– 3.0L V6 Fitment: Sold as a 6-pack, ensuring the correct quantity for this engine.
– Original Equipment Approved: A trusted choice often used by OEMs.

Pros:
– Exceptional ignitability and consistent spark delivery.
– Lower emissions and potential improvement in immediate fuel economy.
– Excellent value from a leading ignition brand.

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

Best for: 3.0L V6 drivers who prefer the proven quality of NGK and don’t mind shorter replacement intervals for peak performance.

Expert Opinion: NGK V-Power plugs are the gold standard for performance consistency. If you change your oil religiously and don’t mind swapping plugs every few years, these offer maximum spark power due to the highly conductive copper core.

UF621 Ignition Coils Pack & Iridium Spark Plugs Compatible with Ford C-Max Escape Fusion Hybrid Transit Connect, for Lincoln MKZ, for Mazda Tribute 2.0L 2.5L 2009 2010 2011 2012 2013 2014, Set of 4

Here’s another great bundle specifically for the 2.5L L4 and Hybrid Fusion engines. This UF621 set combines four robust ignition coils with Iridium spark plugs. The benefit of using iridium plugs in a coil bundle is that you get the convenience of a system overhaul combined with the long-life benefits of a premium plug material. The coils feature high-quality copper windings for superior output and consistent ignition, translating into noticeable improvements in engine power and smoothness.

Key features that stand out:
– Iridium Plug Inclusion: Long-life plugs bundled with new coils for maximum system longevity.
– Superior Coil Performance: Delivers stable, high-voltage output for reliable firing.
– High-Quality Materials: Coils built with durable copper and ceramic insulators to withstand harsh engine bay conditions.

Pros:
– Excellent combination of new coils and premium, long-lasting iridium plugs.
– Enhances overall ignition efficiency and stable engine power.
– Specific compatibility with 2.5L L4 and Hybrid models.

Cons:
– Installation requires care to avoid damaging the iridium tip.

Best for: 2.5L L4 Fusion owners prioritizing the longest service life possible while replacing both coils and plugs in one go.

Expert Opinion: Getting iridium plugs included in a coil set is a significant advantage. This ensures your new ignition system is optimized for both power delivery (coils) and maintenance longevity (iridium plugs).

ECCPP 4 ignition coils with 4 iridium Spark Plugs,UF621 Compatible with Ford Fusion 2010-2020 Escape 2009-2019 Ranger 2013-2020 Lincoln MKZ 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2.0L 2.5L

ECCPP provides a robust and popular option for a complete ignition system replacement for 4-cylinder Ford Fusions. Like similar bundles, this UF621 kit promises a 15% energy upgrade over factory parts. The use of highly conductive copper wire and iridium spark plugs ensures that you regain superior cold-start performance and eliminate the hesitation and misfires associated with old components. This is a reliable, high-value solution for keeping your 2.5L running smoothly.

Key features that stand out:
– Enhanced Coil Design: Coils built for high performance and increased energy delivery.
– Iridium Spark Plugs: Ensures long plug lifespan and superior ignitability.
– Precise Connections: Corrosion-resistant connections guarantee excellent electrical continuity.

Pros:
– Affordable way to completely refresh the ignition system.
– Significant upgrade in cold-start performance.
– Excellent compatibility across the 2.0L and 2.5L platforms.

Cons:
– Longevity of the coil packs can vary compared to high-end OE parts.

Best for: Budget-conscious 4-cylinder Fusion owners looking for a proven combination of iridium plugs and new coils to immediately fix poor running conditions.

Expert Opinion: ECCPP is a staple in the aftermarket parts world. Their bundles offer great synergy; by replacing both aging components at once, you eliminate two major potential failure points in the ignition chain.

6PCS UF486 Ignition Coil Pack & SP433 Spark Plugs (3.0L V6 Only) For Ford Escape 2009-2012,Fusion 2006-2012,Lincoln Zephyr 2006,Mazda Tribute 2008-2011,Mercury Mariner 2009-2011,Milan 2006-2011 5C1651

Finally, if you have the 3.0L V6 Fusion, and prefer a coil-and-plug bundle, this 6-piece kit is built specifically for your vehicle. The ignition coils are manufactured in TS16949 certified facilities, meaning they adhere to stringent quality standards, and they are paired with trivalent metal plated spark plugs for superior corrosion resistance. This is a complete, quality-controlled solution for anyone needing to service the often-neglected rear bank plugs on the V6 engine.

Key features that stand out:
– 3.0L V6 Only: Guaranteed fitment for the 3.0-liter six-cylinder Fusion engine.
– Quality Assurance: Coils are 100% function and leakage tested in certified facilities.
– Corrosion Resistance: Trivalent metal plating on the plugs ensures long-term reliability.

Pros:
– Complete system replacement for the 3.0L V6.
– Rigorous quality control on the ignition coils.
– Excellent warranty (1 Year or 50,000 km).

Cons:
– Spark plug material details are less specific than dedicated premium brands.

Best for: 3.0L V6 owners seeking a complete, tested, and guaranteed set of coils and plugs to restore engine health.

Expert Opinion: Quality certification (TS16949) is a good indicator of reliable manufacturing practices. For V6 engine ignition maintenance, using a tested coil set is paramount due to the engine’s design complexity.

Comparison Insights on Best Spark Plugs For 2012 Ford Fusion

When choosing the best spark plugs for your 2012 Ford Fusion, the first and most critical step is confirming your engine size: 4-cylinder (2.5L) or 6-cylinder (3.0L or 3.5L).

For longevity and lowest maintenance, iridium spark plugs (like Autolite Iridium XP or the A-Premium sets) are the clear winner, offering up to 100,000 miles of service. If you rarely want to worry about changing plugs, choose iridium.

If your primary focus is gap stability and consistent performance without the cost of iridium, the Autolite APP5364 Double Platinum is a highly durable alternative, resisting gap erosion exceptionally well.

The ignition coil and plug bundles (like the Set of 4 or UF621 kits) offer incredible value and are the best choice if your Fusion has over 100,000 miles and is suffering from rough idling or poor acceleration. Replacing the coils and plugs at the same time is the most robust way to guarantee a healthy ignition system.

While high-performance copper plugs like the NGK V-Power offer amazing immediate conductivity, remember they require replacement every 30,000 miles, making them best suited for enthusiasts who perform frequent tune-ups.

Final Verdict: Which Spark Plugs Should You Choose?

The 2012 Ford Fusion engine options require tailored solutions, but based on performance, durability, and value, here are our top picks:

Best Overall for 2.5L (L4): If you just need plugs, go with the Autolite Iridium XP (XP5363). Its 100,000-mile rating and superior ignitability make it the set-it-and-forget-it champion for the most common Fusion engine.

Best Value Bundle (L4): For comprehensive ignition renewal on the 2.5L, the UF621 Ignition Coils Pack & Iridium Spark Plugs provides premium iridium durability paired with new coils, offering the best long-term value.

Best Choice for 3.5L V6: The A-Premium Iridium Platinum Spark Plugs (Pack of 6) is the recommended standalone plug set, providing V6-specific fitment and high-mileage resistance to gap wear, which is essential for harder-to-reach rear bank plugs.

Best Kit for 3.0L V6: Since this engine is notorious for misfire issues linked to aging coils, the 6PCS UF486 Ignition Coil Pack & SP433 Spark Plugs offers the most practical solution by replacing all critical components at once.

Best Spark Plugs For 2012 Ford Fusion: Frequently Asked Questions

What spark plug gap size is required for the 2012 Ford Fusion?

The recommended spark plug gap for most 2012 Ford Fusion engines (both the 2.5L L4 and the V6 variants) is typically 0.051 to 0.054 inches (or 1.3 mm). Although many iridium and platinum plugs come pre-gapped, you should always verify the gap size for your specific engine model before installation to ensure optimal performance and prevent misfires.

How often should I replace my 2012 Ford Fusion spark plugs?

The replacement interval largely depends on the spark plug material. Iridium and Platinum plugs (like Autolite XP or A-Premium) are designed for long life, often lasting between 80,000 and 100,000 miles. Standard Copper core plugs (like NGK V-Power) require replacement much sooner, usually around every 30,000 miles. Checking your owner’s manual for your specific engine and original plug type is always the best practice.

Should I replace my ignition coils along with the spark plugs?

It’s highly recommended, especially if your Fusion has over 100,000 miles or if you are experiencing misfires, hesitation, or poor fuel economy. Worn spark plugs put extra strain on the coils. Replacing them together (using a combo kit like the UF621 or DG507 sets) prevents future coil failure, improves overall ignition efficiency, and ensures stable high-voltage output.

What are the signs that my 2012 Ford Fusion needs new spark plugs?

Common symptoms include rough idling (the engine vibrates unevenly at a stop), difficulty starting, sluggish acceleration, a noticeable drop in gas mileage, and the Check Engine Light (CEL) illuminating due to an engine misfire. Addressing these issues with the right replacement plugs will significantly restore your 2012 Fusion’s driveability.

Is iridium or platinum better for the 2012 Fusion?

Both materials offer huge advantages over traditional copper in terms of longevity. Iridium is harder and has a higher melting point, allowing for a finer wire tip that provides the most focused spark and longest lifespan (up to 100,000 miles). Double Platinum offers superb resistance to gap erosion and high durability (typically 60,000–80,000 miles) and is usually more budget-friendly than iridium.

Can using the wrong spark plugs damage my engine?

Using the wrong plugs, particularly those with the incorrect heat range or reach, can potentially damage your engine. Plugs that are too hot can cause pre-ignition and engine knock, while plugs that are too cold can foul prematurely. Always ensure your chosen plug matches the correct OE reference number and fits your engine size (2.5L, 3.0L, or 3.5L) for safe and reliable operation.