Choosing the best spark plugs for your 2003 Ford Expedition ensures smooth engine performance and reliability. Quality spark plugs improve fuel efficiency and reduce engine misfires.
The 2003 Ford Expedition needs spark plugs that fit its 4. 6L or 5. 4L V8 engines perfectly. Using the right spark plugs helps your vehicle start easily and run smoothly. Several options work well for this model, such as Motorcraft SP479 and NGK V-Power plugs.
Some sets also include ignition coils, which boost ignition power. Platinum and iridium spark plugs offer longer life and better performance. Selecting spark plugs designed for Ford’s engines keeps your Expedition running strong. This guide covers top spark plugs compatible with your 2003 Ford Expedition, helping you pick reliable, durable parts.
Mas Set Of 8 Ignition Coil & Motorcraft Spark Plug Compatible With Ford 5.4l V8
Ideal for owners of Ford vehicles equipped with a 5.4L V8 engine, such as the Crown Victoria, Expedition, F-150, F-250, Mustang, Lincoln, Mercury, and Explorer, the MAS Set of 8 Ignition Coil DG508 & Motorcraft Spark Plug SP479 is perfect for those seeking reliable ignition performance and easy maintenance. This set is especially beneficial for DIY enthusiasts and mechanics aiming to restore or enhance their vehicle’s ignition system with high-quality, compatible parts.
Pros:
- Complete set includes 8 ignition coils and spark plugs for full engine coverage
- Compatible with multiple Ford 5.4L V8 models, ensuring broad application
- Manufactured by King Auto Parts under the trusted MAS brand
- Dimensions and weight (2.56″ H x 8.03″ W x 10.35″ L, 4.1 lbs) make it easy to handle and install
- Enhances engine performance by providing consistent spark delivery
Cons:
- Set is specific to Ford 5.4L V8 engines, limiting compatibility with other vehicles
- Installation may require mechanical knowledge or professional assistance
The MAS Set of 8 Ignition Coil DG508 & Motorcraft Spark Plug SP479 offers a robust solution for maintaining and improving your vehicle’s ignition system. Each ignition coil is designed to deliver reliable electrical pulses to the spark plugs, ensuring optimal combustion and engine efficiency. The inclusion of Motorcraft spark plugs, known for their durability and performance, complements the ignition coils perfectly, reducing misfires and improving fuel economy.
Designed with precision and manufactured by King Auto Parts, this set fits seamlessly into a range of Ford 5.4L V8 vehicles. Its compact dimensions and manageable weight make installation straightforward, helping users save time and avoid frequent trips to the mechanic. Overall, this ignition coil and spark plug set provides a cost-effective way to enhance engine responsiveness and maintain vehicle reliability.
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Set Of 8 Dg508 Ignition Coils And Sp479 Spark Plugs For 5.4 V8 Ford Expedition F150 F250 F350 Mercury Grand Marquis
The Set of 8 DG508 Ignition Coils and SP479 Spark Plugs is ideal for vehicle owners and mechanics who need reliable replacement parts for their 5.4 V8 engines in models such as the 1998-2004 Ford Expedition, F150, F250, F350, and Mercury Grand Marquis FD503. If you want to maintain optimal engine performance and avoid ignition problems, this set offers a comprehensive solution tailored to these specific vehicles.
Pros:
- Complete set with 8 ignition coils and spark plugs for full engine coverage
- Compatible with a wide range of Ford and Mercury models from 1998 to 2004
- Manufactured by LCWRGS, ensuring quality and durability
- Helps improve engine performance, fuel efficiency, and ignition reliability
- Easy to install for both professional mechanics and DIY enthusiasts
Cons:
- Limited to specific 5.4 V8 engine models, not universal
- Weight of approximately 4.39 pounds may require careful shipping considerations
- May require professional installation for optimal results if unfamiliar with ignition systems
This set combines high-quality ignition coils and spark plugs designed specifically for the 5.4 V8 engine, ensuring that each component works seamlessly together. The ignition coils provide reliable electrical charge delivery, which is essential for spark plugs to ignite the fuel-air mixture efficiently. This synergy results in smoother engine starts and consistent performance, reducing misfires and engine hesitation.
With the precise fitment for multiple Ford and Mercury models, this set eliminates the guesswork and compatibility issues often encountered with aftermarket parts. The robust construction from LCWRGS enhances longevity, meaning fewer replacements and less maintenance downtime. Overall, this product enhances vehicle reliability, fuel economy, and driving experience for owners of these classic trucks and SUVs.
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Ena Set Of 8 Platinum Spark Plug And 8 Ignition Coil Pack
The ENA Set of 8 Platinum Spark Plug and 8 Ignition Coil Pack is ideal for vehicle owners and mechanics looking to replace or upgrade the ignition components of specific Ford, Mercury, and Lincoln models. If you drive a Crown Victoria, Grand Marquis, Town Car, E150, E250, Expedition, or F150 equipped with a 4.6L V8 engine, this set offers a direct fit and reliable performance. This product is perfect for those seeking a high-quality, durable replacement that ensures optimal engine efficiency and smooth operation.
Pros:
- Complete set includes 8 platinum spark plugs and 8 ignition coil packs for full replacement.
- Compatible with a wide range of Ford, Mercury, and Lincoln models, providing versatility.
- High-quality platinum spark plugs offer improved durability and longer lifespan.
- Designed to enhance ignition performance for smoother starts and better fuel efficiency.
- Manufactured by ENA, ensuring reliable and consistent product standards.
Cons:
- Set may be more expensive than purchasing individual components separately.
- Compatibility limited to specific vehicle models and engine types.
- Installation may require technical knowledge or professional assistance for some users.
The ENA Set of 8 Platinum Spark Plug and 8 Ignition Coil Pack stands out for its comprehensive design tailored to fit multiple Ford, Mercury, and Lincoln vehicles with a 4.6L V8 engine. The inclusion of platinum spark plugs ensures enhanced durability and resistance to wear, which translates into longer maintenance intervals and reduced replacement frequency. This leads to more reliable engine performance and less downtime for vehicle owners.
Moreover, the ignition coil packs included in this set are engineered to deliver consistent voltage to the spark plugs, which improves combustion efficiency. This results in smoother engine starts, better acceleration, and overall improved fuel economy. By choosing this ENA set, users can expect a seamless replacement experience that maintains or even boosts their vehicle’s ignition system reliability and performance.
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Ngk V-power Spark Plugs
These 8 pc NGK V-Power Spark Plugs are ideal for vehicle owners and mechanics who need reliable and high-performance spark plugs for their Ford Expedition 4.6L and 5.4L V8 models from 1997 to 2004. If you are looking to maintain or restore your SUV’s engine efficiency and ensure smooth ignition performance, these spark plugs from Sixity Auto are an excellent choice.
Pros:
- High compatibility specifically designed for Ford Expedition 4.6L and 5.4L V8 engines (1997-2004).
- Durable construction ensuring long-lasting performance.
- Improved ignition capability for better fuel efficiency and smoother engine start.
- Easy to install with precise dimensions (Height: 6.64 inches, Width: 0.94 inches, Length: 3.31 inches).
- Lightweight design (0.72 pounds) that fits well without adding unnecessary bulk.
Cons:
- Compatible only with specific Ford Expedition engine models, limiting use on other vehicles.
- May require professional installation for users unfamiliar with spark plug replacement.
The NGK V-Power Spark Plugs by Sixity Auto are engineered to deliver efficient ignition performance tailored for Ford Expedition’s V8 engines. Their precise manufacturing ensures optimal spark delivery, which translates into enhanced fuel combustion and reduced misfires. This directly benefits vehicle owners by improving mileage and reducing emissions.
Additionally, these spark plugs are designed with durability in mind, resisting wear and corrosion over time. This means fewer replacements and less maintenance effort. Their dimensions and lightweight nature make them easy to handle and install, providing a hassle-free upgrade or replacement option for maintaining your Ford Expedition’s engine health and overall performance.
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Motorcraft Spark Plug Sp-479
The Pack of 8 Genuine Motorcraft Spark Plug SP-479 AGSF22WM is ideal for vehicle owners and automotive enthusiasts seeking reliable and high-quality spark plugs. If you want to maintain optimal engine performance, improve fuel efficiency, and reduce emissions, these spark plugs are a perfect choice. They are especially suited for those who prefer genuine parts from a trusted brand to ensure compatibility and durability.
Pros:
- Manufactured by the reputable Motorcraft brand, ensuring quality and reliability.
- Comes in a convenient pack of 8, suitable for multiple replacements or servicing.
- Designed to provide consistent spark performance for better engine ignition.
- Helps improve fuel efficiency and reduce harmful emissions.
- Genuine parts ensure perfect fit and compatibility with specified vehicles.
Cons:
- May be priced higher compared to generic or aftermarket spark plugs.
- Not universal; specific to certain vehicle models requiring Motorcraft parts.
The Motorcraft Spark Plug SP-479 AGSF22WM features advanced engineering that ensures a strong and reliable spark to ignite the air-fuel mixture in your engine. This translates to smoother engine starts, improved acceleration, and stable idling, which are crucial for everyday driving and performance. Using genuine Motorcraft spark plugs also means you’re less likely to experience misfires or engine hesitation, which can degrade driving experience and vehicle longevity.
Additionally, these spark plugs are built with durable materials that withstand high temperatures and corrosion, extending their lifespan and reducing the frequency of replacements. The pack of 8 provides excellent value for those performing maintenance on multiple cylinders or multiple vehicles. Overall, investing in these genuine spark plugs supports your vehicle’s optimal function, contributes to better fuel economy, and aligns with maintenance recommendations for long-term engine health.
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Ransoto Ignition Coil Pack & Iridium Spark Plug Set
The RANSOTO Ignition Coil Pack DG508 & Iridium Spark Plug SP479 set is ideal for vehicle owners who drive Ford models such as the Expedition, F150, F250, F350, Explorer, Excursion, E150, E250, E350, Crown Victoria, Mustang, and Lincoln with 4.6L and 5.4L engines. This product is perfect for those looking to replace or upgrade their ignition system components to ensure optimal engine performance and reliability. Mechanics, DIY enthusiasts, and daily drivers who prioritize smooth starts and efficient combustion will find this set particularly beneficial.
Pros:
- High compatibility with a wide range of Ford vehicles
- Includes both ignition coil packs and iridium spark plugs for comprehensive ignition system maintenance
- Enhanced spark plug design ensures better ignition and improved fuel efficiency
- Durable construction from the trusted brand RANSOTO
- Set of 8 pieces provides a complete replacement for multiple cylinders
- Lightweight at approximately 4.45 pounds, making installation manageable
Cons:
- Specifically designed for Ford 4.6L and 5.4L engines, limiting use to compatible models
- May require technical knowledge or professional installation for some users
The RANSOTO Ignition Coil Pack DG508 & Iridium Spark Plug SP479 set offers a reliable solution for maintaining and enhancing the ignition system of select Ford vehicles. Each ignition coil pack is engineered to deliver consistent voltage to the spark plugs, ensuring efficient combustion and smooth engine operation. The included iridium spark plugs are known for their longevity and superior conductivity, which translates to improved engine responsiveness and reduced emissions over time.
This combination not only boosts overall engine performance but also contributes to better fuel economy by optimizing the ignition process. The durable materials and precise manufacturing standards of RANSOTO guarantee long-lasting performance, reducing the frequency of replacements. For vehicle owners seeking a dependable, all-in-one ignition upgrade, this set presents an excellent balance of quality, compatibility, and value.
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Mas Ignition Coil & Motorcraft Spark Plug
The MAS Ignition Coil DG508 & Motorcraft Spark Plug SP479 combo is ideal for vehicle owners and mechanics who need reliable replacement parts for Ford, Lincoln, and Mercury models with 4.6L and 5.4L V8 engines. If you drive or service popular models such as the Crown Victoria, Expedition, F-150, F-250, or Mustang, this product ensures compatibility and optimal engine performance. It’s perfect for those seeking durable ignition components to maintain smooth engine starts and efficient combustion.
Pros:
- Direct compatibility with multiple Ford and Lincoln Mercury 4.6L & 5.4L V8 engine models
- Includes both ignition coil and spark plug for a comprehensive ignition system upgrade
- Manufactured by MAS, known for quality automotive parts
- Enhances engine ignition efficiency and improves fuel combustion
- Durable design reduces misfires and extends engine life
Cons:
- Limited to specific Ford, Lincoln, and Mercury V8 engine models
- Weight of approximately 4.17 pounds may be heavier than some alternatives
The MAS Ignition Coil DG508 and Motorcraft Spark Plug SP479 are engineered to work seamlessly together, ensuring that ignition signals are strong and spark timing is precise. This combination reduces engine misfires, leading to smoother acceleration and better overall engine responsiveness. The coil’s robust construction helps it withstand the heat and vibration typical in V8 engines, while the spark plug is designed to deliver consistent sparks that optimize fuel combustion.
Users benefit from improved fuel efficiency and reduced emissions thanks to the enhanced ignition system performance. Additionally, installation is straightforward for professional mechanics and knowledgeable vehicle owners alike, making this combo a practical upgrade or replacement choice. Overall, these parts provide reliable and lasting performance, helping maintain the integrity and power of your Ford, Lincoln, or Mercury V8 engine.
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7164 Iridium Spark Plugs
The 7164 Iridium Spark Plugs are ideal for vehicle owners seeking reliable and high-performance ignition components compatible with a wide range of models, including the 1997-2010 Ford F150 V8 4.6 5.4, Ford Expedition, Explorer, Mustang, Cadillac, Chevy, GMC, Lincoln, Buick, and Mercury vehicles with engine sizes ranging from 4.1L to 8.1L. This set of 8 spark plugs is perfect for car enthusiasts, mechanics, and everyday drivers aiming to improve engine performance and fuel efficiency.
Pros:
- Compatible with a broad range of popular vehicle models and engine types
- High-quality Iridium construction ensures long-lasting durability
- Enhances ignition efficiency for smoother engine starts and better fuel economy
- Set of 8 plugs provides a complete replacement for multi-cylinder engines
- Manufactured by Rocklike Promise (RLP), known for reliable automotive parts
Cons:
- May require professional installation for optimal performance
- Compatibility limited to specific vehicle makes and engine sizes
These 7164 Iridium Spark Plugs feature advanced iridium technology, which contributes to superior conductivity and a stronger spark. This results in improved combustion efficiency, reduced misfires, and enhanced overall engine performance. Users will notice smoother acceleration and a more responsive throttle, making it an excellent upgrade for those wanting to maintain or restore their vehicle’s peak condition. The plugs’ robust design also ensures resistance to wear and corrosion, extending the intervals between replacements and reducing maintenance costs over time.
Additionally, the broad compatibility of these spark plugs with multiple vehicle models and engine sizes simplifies the purchasing process, especially for those with older or less common vehicles. The inclusion of a full set of 8 plugs means users can replace all cylinders simultaneously, ensuring uniform performance and avoiding issues caused by uneven wear. Backed by the trusted RLP brand, this product offers a reliable solution for drivers seeking longevity and consistent ignition performance in their vehicles.
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Frequently Asked Questions
What Spark Plugs Fit A 2003 Ford Expedition V8 Engine?
The 2003 Ford Expedition 5. 4L V8 uses Motorcraft SP-479 or NGK V-Power spark plugs. These ensure optimal ignition and performance. Always choose plugs compatible with your engine type for best results.
Are Ignition Coil And Spark Plug Sets Better Together?
Yes, buying ignition coil and spark plug sets like MAS DG508 and SP479 ensures compatibility. This improves engine efficiency and reduces misfires. It also simplifies installation and maintenance for your Ford Expedition.
How Often Should I Replace Spark Plugs On A 2003 Expedition?
Replace spark plugs every 30,000 to 50,000 miles, depending on usage. Iridium or platinum plugs last longer. Regular replacement maintains fuel efficiency and smooth engine performance in your Ford Expedition.
Can I Use Platinum Vs Iridium Spark Plugs For My Expedition?
Both platinum and iridium spark plugs work well for the 2003 Expedition. Iridium plugs offer longer life and better performance. Platinum plugs are a cost-effective option with reliable durability.
What Are Signs Of Worn Spark Plugs In Ford Expedition?
Common signs include rough idling, poor acceleration, and decreased fuel economy. Engine misfires or difficulty starting also indicate worn spark plugs. Timely replacement prevents engine damage and maintains smooth driving.
Are Motorcraft Spark Plugs Original Equipment For Ford Expedition?
Yes, Motorcraft SP-479 spark plugs are original equipment manufacturer (OEM) parts. They meet Ford’s quality standards for performance and durability in the 2003 Expedition’s 5. 4L V8 engine.
Conclusion
Choosing the best spark plugs and ignition coils for your 2003 Ford Expedition helps your engine run smoothly. Reliable parts like Motorcraft SP479 or NGK V-Power keep your vehicle strong and efficient. Good spark plugs improve fuel use and reduce engine problems.
Using the right set ensures easy starts and better power. Whether you pick platinum, iridium, or standard plugs, quality matters most. Also, matching ignition coils like DG508 can boost performance and prevent misfires. Regular maintenance with these parts saves money and time on repairs.
Remember, proper spark plugs and coils help your Expedition last longer and drive better every day. Keep your Ford running at its best by choosing trusted parts designed for your model. Simple upgrades make a big difference in how your vehicle feels and performs on the road.
