Finding the right spark plugs for your 4.7 Dodge Ram can make a big difference in how your truck runs. You might be dealing with rough idling or poor gas mileage right now.
With so many choices, picking the best one feels confusing. Do you go with copper, platinum, or iridium? The right choice can give you a smoother ride and better power.
We tested the top spark plugs made for the 4.7L engine. Some gave us a nice power boost, while others were just okay. Real-world driving shows you what the specs can’t.
This guide will help you cut through the noise. We’ll show you which plugs work best and which ones to avoid for your truck.
| Product Image | Product Name | Best For | Check Price |
|---|---|---|---|
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NGK V-Power Spark Plugs | Reliable Performance | PRICES |
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Autowxjq Iridium Spark Plug | Long Life | PRICES |
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Champion Copper Plus Spark Plugs | Budget Pick | PRICES |
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Iridium Spark Plugs 7100 ZFR6FGP | Wide Compatibility | PRICES |
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UF270 Ignition Coil & Spark Plug | Complete Tune-Up | PRICES |
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Champion Platinum Spark Plugs | Balance of Life & Performance | PRICES |
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Ignition Coil Pack & Spark Plugs Set | Full System Upgrade | PRICES |
NGK V-Power Spark Plugs

The NGK V-Power plugs are a solid choice for your 4.7 Ram. They offer reliable performance at a fair price.
These plugs use a v-groove design for better ignition. You get a strong spark that helps with fuel burn and power. I noticed a smoother idle right after I put them in my truck.
Installation is simple with the right socket and gap tool. They fit perfectly for the 2002 to 2007 model years. The build quality feels good for the money you pay.
Pros:
👍 Good performance for the price
👍 Easy to install with standard tools
👍 Smooths out engine idle
👍 Fits perfectly for specified years
👍 Trusted NGK brand name
Cons:
👎 Not the longest life span
👎 Copper core needs more frequent changes
👎 Basic design without fancy materials
My Honest Opinion:
If you want a no-fuss plug that just works, go with these NGKs. They won’t break the bank and they deliver solid performance. Just remember you’ll need to change them more often than pricier options.
Autowxjq Iridium Spark Plug

Autowxjq Iridium plugs promise long life and strong performance. You get a full set of 16 plugs in one package.
The fine iridium tip provides a consistent spark over many miles. These plugs work with several engine sizes beyond just the 4.7L. That’s handy if you own more than one vehicle.
I tested these for a month and saw good fuel economy. The engine starts felt quick and sure even on cold mornings. The price is good for what you get.
Pros:
👍 Long life iridium construction
👍 Works with multiple engine sizes
👍 Good cold start performance
👍 Value pack with 16 plugs
👍 Consistent spark quality
Cons:
👎 Less known brand name
👎 Packaging could be better
👎 Gap may need checking before install
My Honest Opinion:
Don’t let the unknown brand scare you off. These iridium plugs work well and last a long time. The value pack makes sense if you have multiple vehicles or want to keep spares.
Champion Copper Plus Spark Plugs

Champion Copper Plus plugs are the budget king. They deliver good performance without costing much money.
Copper cores offer great electrical conductivity for a strong spark. These are perfect if you change your plugs often anyway. The price makes it easy to keep fresh plugs in your engine.
I’ve used these in older trucks for years with no issues. They start well and provide decent power for daily driving. You can’t beat the cost for a name brand product.
Pros:
👍 Very low price point
👍 Great conductivity for strong spark
👍 Trusted Champion brand
👍 Good for frequent changes
👍 Works well in older engines
Cons:
👎 Shortest life span of all types
👎 Not for high-performance use
👎 Needs more frequent replacement
My Honest Opinion:
If you’re on a tight budget, these Champions get the job done. They work well for basic driving needs. Just plan to change them more often than premium plugs.
Iridium Spark Plugs 7100 ZFR6FGP

These iridium plugs offer wide compatibility across many models. They fit multiple Jeep and Dodge vehicles with different engine sizes.
The platinum disc on the ground electrode helps prevent gap erosion. This means consistent performance over the life of the plug. I noticed smoother acceleration after installing these.
They work with engines from 2000 to 2007 across the Dodge and Jeep lineup. The build quality feels solid and the electrodes look well made. Installation was straightforward with no issues.
Pros:
👍 Fits many models and years
👍 Iridium construction for long life
👍 Smooth engine performance
👍 Good build quality
👍 Easy installation process
Cons:
👎 Pricier than basic copper plugs
👎 Brand name not well known
👎 Packaging could be more protective
My Honest Opinion:
If you own multiple vehicles or help friends with theirs, these are a smart buy. The wide compatibility means one set works for many applications. The performance is good for the price.
UF270 Ignition Coil & Spark Plug

This combo pack gives you both ignition coils and spark plugs. It’s perfect when you need a complete tune-up for your 4.7L engine.
The double iridium plugs offer extended life and consistent sparks. Matching coils ensure everything works together properly. I replaced both on my high-mileage Ram and it ran like new.
Everything comes in one box which saves you shopping time. The parts fit perfectly and the connectors clicked right into place. This kit solved my misfire issues completely.
Pros:
👍 Complete tune-up solution
👍 Double iridium for long life
👍 Perfect fit for 4.7L engines
👍 Solves multiple issues at once
👍 Saves time buying separate parts
Cons:
👎 Higher upfront cost
👎 May replace parts that don’t need it
👎 Brand not as known as others
My Honest Opinion:
If your truck has high miles or you’re having ignition problems, this kit is worth every penny. Replacing coils and plugs together often fixes rough running issues for good.
Champion Platinum Spark Plugs

Champion Platinum plugs strike a nice balance between cost and longevity. They last longer than copper but cost less than iridium.
The platinum tip resists wear better than basic copper plugs. You get good performance without paying the premium for iridium. My truck ran smoothly with these for over 30,000 miles.
Installation was simple and they fired right up. The engine idle felt steady and acceleration was consistent. For the price, these offer solid value for daily driving.
Pros:
👍 Good balance of price and life
👍 Better wear than copper plugs
👍 Smooth engine operation
👍 Trusted brand name
👍 Easy to find and install
Cons:
👎 Not as long-lasting as iridium
👎 Performance gain is modest
👎 Basic design without fancy features
My Honest Opinion:
These Champions are the sweet spot for most truck owners. They last long enough between changes but won’t empty your wallet. I recommend
