Buyers Guide & Information

Best Spark Plugs for 4.7 Dodge Ram

We have reviewed and compared the best spark plugs for 4.7 Dodge Ram. These brands offer excellent solutions for Dodge engine models.

The automotive spark plug is a necessary component of the ignition system of your 4.7 Dodge Ram.

To find the best spark plugs for a 4.7 Dodge Ram, you need to know what you are looking at. Our Dodge 4.7 L spark plugs review looks at all of the best options.

It’s important to swap the best spark plugs for Dodge Ram 1500 4.7 regularly if you want to extend the life of your engine. Plus, performing a Dodge 4.7 spark plug replacement allows you to extend the spark plug change interval, especially if you upgrade to a better option.

The new plugs also improve fuel efficiency, add performance, and reduce the chance of engine failure. If you choose to leave old and worn-out plugs in your Dodge engine, you will notice a decline in performance, misfiring, and a decrease to fuel efficiency. 


Spark Plugs for 4.7 Dodge Ram Compared

Preview

Product

Plug Coating

Plug Number

Gap Size

Check Price

Bosch Automotive 9664 Double Iridium OE...

Bosch9664

Iridium

9664

0.040”

Champion Copper Plus 439 Spark Plug (Carton...

Champion

RC12MCC4

Copper

439

0.040”

NGK 7100 G-Power Platinum Spark Plugs ZFR6FGP...

NGK 7100

Platinum

7100

0.040”

Champion Copper Plus 71 Spark Plug (Carton of...

Champion RC12YC

Copper

RC12YC

0.030”

Set (8pcs) Denso Platinum TT Spark Plugs...

Denso Platinum TT

Platinum

4503

0.039”

8 pcs NGK V-Power Spark Plugs for 2002-2007...

Sixity Auto NGK

V-Power

Copper

6987

0.044”

APDTY Tune Up Kit 16 Spark Plugs Ignition...

APDTY

Iridium

SPFR8TE2AA/SPFR8TI332

0.040”

Choosing Quality Spark Plugs for a 4.7 Dodge Ram Engine

Vehicle Compatibility

If you need the best spark plugs for a 2002 Dodge Ram 1500 4.7, you won’t want to look at the 2011 Dodge Ram 1500 4.7 spark plugs replacement. Instead, pick the options that fit your vehicle by looking at the year, make, and model. The plugs need to work with the number of cylinders your engine has and the type of fuel system it uses.

Spark Plug Type & Coating

Spark plugs are constructed from several different materials. Copper is affordable and is often an OEM replacement. However, these don't provide a lot of performance. Platinum and double platinum plugs are an upgrade, offering better fuel efficiency. You will find iridium plugs at the top of the line, offering the longest life and best performance.

Heat Range & Insulation

Ironically enough, hot spark plugs tend to be better at insulating heat. However, there are also cold spark plugs on the market that are capable of conducting heat only from the tip. You want to evaluate the spark plug's heat index to determine what is best for your Ram truck. 

Thread Size & Gap Style

Modern spark plugs come pre-gapped, but you might need to adjust it slightly with a spark plug gap tool. Not only does this measurement need to be correct, but you must also have the right thread size, which is 14mm with V6 and V8 Dodge Ram trucks.

Life Expectancy

The best spark plugs for 2003 Dodge Ram 4.7 made with copper have a different life expectancy than those made with platinum or iridium materials. If you want to increase your time between tune-ups, you want to pick spark plugs with the most prolonged service interval.

Price & Warranty

It’s completely natural to look for the best spark plugs for 2005 Dodge Ram 1500 4.7 at the lowest price, but you want to evaluate the value for your money instead. Look at how long the spark plugs last and figure out the cost per mile. You might find that the higher-end options are actually cheaper this way. Also, choose a reputable brand that offers a warranty for more protection.


7 Best Spark Plugs for 4.7 Dodge Ram Reviewed

1. Bosch9664

Our Top Pick

Plug Material Coating

Iridium

Top Material

Iridium

Plug Type/Number

9664

Gap Size

0.040”

Pack Quantity

1/4

Compatible Dodge Rams

2002-2009 Ram 1500
2000-2008 Dodge Dakota
2000-2008 Dodge Durango
1999-2007 Jeep Grand Cherokee
2007-2009 Chrysler Aspen

The best spark plugs for a 2006 Dodge Ram 1500 4.7 come from Bosch, but this set fits so many other vehicles as well. In fact, it's best for Ram, Durango, and Dakota, along with the Jeep Grand Cherokee and Chrysler Aspen vehicles. Unlike regular iridium spark plugs, this set also features an iridium firing pin and ground electrode to provide four times the life of standard copper plugs. 

The 0.6mm fine wire firing pin offers better performance and superior ignitability. Plus, this set features a 360-degree continuous laser-weld fuse corrosion-resistant and able to ensure much more stress. It's one of the most durable options on the market, ensuring that nothing stands in the way of you getting the performance you desire.

This set is available to buy in four packs or singly, which might make you ask - how many spark plugs are in a 4.7 Dodge Durango? With most models, you need 16 spark plugs to do an entire tune-up, so you might need to purchase more than one set.

While the price of these spark plugs is a little high, you are getting your money's worth. You won't have to change them often, and Bosch has a seven-year satisfaction guarantee. Looking at the reviews proves this is your best option if money isn't an issue.

Pros

  • 7-year satisfaction guarantee
  • Double iridium design
  • Long service life
  • Improved performance

Cons

  • Expensive

2. Champion RC12MCC4

Best Copper Spark Plugs for 4.7 Dodge Ram

Plug Material Coating

Copper

Top Material

Metal

Plug Type/Number

439

Gap Size

0.040”

Pack Quantity

1

Compatible Dodge Rams

2002-2007 Ram 1500
2000-2007 Dodge Dakota
2000-2007 Dodge Durango
1999-2007 Jeep Grand Cherokee
2009 Jeep Compass
2007 Chrysler Aspen

While we’ve looked at the top choice with money being no object, there are times when you need a cheap option. Thankfully, Champion makes a low-cost model that could be the best spark plugs for Dodge Dakota 4.7. Of course, these plugs also fit the Ram 1500, Durango, Jeep Grand Cherokee, and more. The most significant difference is the material used to construct the plugs.

With this plug, you get a copper core center electrode, which is the minimal protection you want. Still, because they are made by Champion, you can expect an accurate heat range control for superior performance. There is also a patented ultra-seal coated shell included that resists corrosion. We recommend this option if you are simply looking for an OEM replacement and don’t mind changing the plugs often.

The reviews of these 2004 Dodge Ram 1500 4.7 spark plugs are still quite high, so they must be performing up to standards. However, if something were to go wrong, Champion does warranty the plugs for a full year. Additionally, you can purchase the plugs individually, which allows you more flexibility if you aren’t ready to replace all of them at once. Save some money on your next Ram tune-up.

Pros

  • Cheap
  • 1-year warranty
  • Can buy individually
  • Corrosion-resistant

Cons

  • Shorter lifespan

3. NGK 7100

Best Platinum Spark Plugs for 4.7 Dodge Ram

Plug Material Coating

Platinum

Top Material

Copper

Plug Type/Number

7100

Gap Size

0.040”

Pack Quantity

4

Compatible Dodge Rams

1999-2010 Ram 1500
1997-2010 Dodge Dakota
1998-2009 Dodge Durango
1999-2010 Jeep Grand Cherokee
2002-2012 Jeep liberty
2007 Chrysler Aspen

What are the best spark plugs for a 2008 Dodge Ram 4.7? We would have to argue in favor of the NGK plugs. These G-Power Platinum plugs offer the power you have been searching for. In fact, NGK is a leader in manufacturing equipment that increases your vehicle's power, so it can be trusted. With the fine pure-platinum electrode tip construction, you get the performance you need for towing, hauling, and more.

Plus, the plugs reach self-cleaning temperatures that allow them to provide more durability, with less frequent tune-ups versus copper plugs. When you compare these against your OEM plugs, you should notice better fuel economy, superior acceleration, and improved starts. Since they are pre-gapped and ready to go, there's not much to think about.

While NGK is a leader in the automotive field, it's important to note that the company only offers a 60-day warranty. This is far less than most manufacturers but doesn't seem to be an issue as defects rarely occur. In fact, these are some of the highest-rated 2003 Dodge Ram 4.7 spark plugs on the market today. We recommend these plugs if you need a solid balance between cost-effectiveness and performance.

Pros

  • Highly rated
  • Performance-focused
  • Improve fuel economy
  • Long service life

Cons

  • 60-day warranty

4. Champion RC12YC

Best Rated for Performance

Plug Material Coating

Copper

Top Material

Nickel alloy

Plug Type/Number

RC12YC

Gap Size

0.030”

Pack Quantity

1

Compatible Dodge Rams

1994-1997 Ram 1500
1992-1996 Dodge Dakota
1993-1996 Jeep Grand Cherokee

If you have an older Dodge or Jeep vehicle from before the 4.7-liter engine was released, you will still need a solid set of spark plugs. These Champion plugs are likely the same ones that most mechanics would use during a tune-up.

Champion is known to make spark plugs that work in racing applications and for vehicles that require a dependable spark. The colder heat range on these plugs uses a shortened ground electrode than many others.

With this unique design, the spark is exposed to the air/fuel mixture less, preventing pre-ignition from having an overheated ground electrode. Additionally, the nickel shell provides faster heat dissipation, while the copper core further promotes heat removal. If you want to increase your horsepower and drive a more efficient vehicle, you might do well to upgrade with Champion plugs.

Obviously, you will need to replace them more often than if you have platinum or iridium plugs, but the low-cost makes this possible. Plus, the company throws a one-year warranty on these spark plugs, allowing you some additional peace of mind regarding the purchase. You can take care of your truck engine without spending a lot of dough and see an increase in performance as an added perk.

Pros

  • Highly rated
  • OEM replacement
  • 1-year warranty
  • Corrosion-resistant

Cons

  • Shorter lifespan

5. Denso Platinum TT

Value for Money

Plug Material Coating

Platinum

Top Material

Copper

Plug Type/Number

4503

Gap Size

0.039”

Pack Quantity

8

Compatible Dodge Rams

1994-2007 Ram 1500
1992-2008 Dodge Dakota
1998-2007 Dodge Durango
1993-2007 Jeep Grand Cherokee
2007-2016 Jeep Compass
2007 Chrysler Aspen

If you are willing to choose a lesser-known brand, you can get quite the deal. Denso utilizes a Twin-Tip design that is unique and offers more performance. Actually, it's available in all of Denso's platinum or titanium designed spark plugs. To increase longevity, Denso uses platinum in both the ground and center electrodes. With this construction, you get resistance to corrosion and erosion, which offers consistent performance.

These plugs also include a 360-degree laser weld, titanium-enhanced ground electrode, a free-standing firing pad, and a minimum-quench electrode design. With these replacement plugs, you can expect improved fuel economy, more performance, and faster starts. Plus, the enhanced flame propagation increases the efficiency of your truck engine. When the plugs have a reduced quenching, you can count on a more powerful spark.

Not everyone is thrilled about choosing a lesser-known brand with engine protection. However, the company does provide a one-year warranty, and the reviews prove this isn't a shady company. You can get a set of eight plugs for the same price other companies charge for four spark plugs, offering you a significant value. With the ability to do a complete tune-up for less money, you can invest more in other parts of your truck.

Pros

  • Durable construction
  • Increases performance
  • 1-year warranty
  • Faster starts

Cons

  • Not as well-known

6. Sixity Auto NGK V-Power

Best Spark Plug Kit for Dodge Ram 1500 4.7

Plug Material Coating

Copper

Top Material

Nickel

Plug Type/Number

6987

Gap Size

0.044”

Pack Quantity

8

Compatible Dodge Rams

2002-2012 Ram 1500
2000-2010 Dodge Dakota
2000-2009 Dodge Durango
1999-2010 Jeep Grand Cherokee
2002-2012 Jeep Liberty
2007 Chrysler Aspen

If you want a complete replacement for your 4.7 Ram, NGK makes a tune-up kit. These V-Power spark plugs have an insulator design specially treated with corrosion-resistant plating that ensures an easier installation.

Plus, the cold-rolled threads prevent damage to the engine's cylinder head, while the trivalent metal plating offers anti-seizing properties. The unique five-rib insulator also prevents spark flashover, so you won't have to worry about misfiring.

There is also a triple gasket that eliminates gas leakage beyond the shell. While these are copper plugs, you can still expect more performance than a standard OEM set. You can count on the heat dissipation, broader range of heat, and conductivity. What you are left with are lower emissions and increased fuel economy.

NGK offers a wide range of spark plugs for the Ram truck, with this kit sitting near the value side of the spectrum. The price is low and it allows you to do a tune-up for less. However, NGK only provides customers with a 60-day warranty, which is nothing compared to other companies' guarantees.

We recommend this kit if you want to do a full tune-up while keeping more money in your pocket. You can get the job done cheaply and trust the performance.

Pros

  • Reputable brand
  • Complete kit
  • Durable construction
  • Reasonable price

Cons

  • Only 60-day warranty

7. APDTY

Best Spark Plug Kit for Dodge Dakota 4.7

Plug Material Coating

Iridium

Top Material

Platinum

Plug Type/Number

SPFR8TE2AA/SPFR8TI332

Gap Size

0.040”

Pack Quantity

16

Compatible Dodge Rams

2008-2012 Ram 1500
2008-2011 Dodge Dakota
2008-2009 -Dodge Durango
2008-2009 Jeep Grand Cherokee
2008-2009 Chrysler Aspen

If you are going to perform a Ram or Dakota tune-up, you might as well do it right. Sure, you could spend the money and purchase all of the parts you need separately, but you will probably spend more money than you would like.

Instead, choose a kit from APDTY and get all of the parts to complete the job. This complete tune-up kit comes with your spark plugs, ignition wires and the coil-on-plug boots.

You get all 16 spark plugs that you need to work with compatible models. Plus, the spark plugs are made by Champion, so you know they are durable. Of course, the overall kit is going to cost more than if you just replaced the plugs, but your truck deserves the best. Once you complete the tune-up, you won’t have to think about replacing any more of these parts for many miles down the road.

While this set doesn't have many reviews yet, the parts are all from reputable manufacturers. Champion spark plugs are guaranteed for one year, so you have very little to worry about. Plus, the customer reviews that do exist are quite favorable. Get it done and be on your way.

Pros

  • Reputable brand
  • Complete kit
  • Durable construction
  • Reasonable price

Cons

  • Only 60-day warranty

Understanding 4.7 Dodge RAM Engine

The 4.7-liter Dodge Ram engine was produced by Chrysler and used in 1999 to 2013 compatible vehicles. This engine went through three generations of changes and updates.

You can find the 4.7-liter motor in several models, including the Dodge Dakota, Dodge Ram, Jeep Grand Cherokee, Chrysler Aspen, and Jeep Liberty. 


How Automotive Spark Plugs Work

How many spark plugs does a Dodge 4.7 have? You might need Dodge 4.7 16 spark plugs to complete a full tune-up on models that have two plugs per cylinder. These spark plugs ignite the air/fuel mixture found in the combustion chamber.

Within each cylinder, there are small explosions occurring that force the pistons to move. As the piston rises, the spark plug ignites, causing an electrical arc that pushes the piston back down. This process repeats continuously to keep the engine running.

You can see an informative display with this YouTube video.


How to Replace 4.7 Dodge Ram Spark Plugs

Changing spark plugs on a Dodge 4.7 isn’t difficult with some basic automotive knowledge and the right tools. Here are a few tips to remember.

  1. 1
    Allow the engine to cool completely.
  2. 2
    You will need to remove the old spark plugs. This might require special tools, such as a 2011 Dodge Ram 1500 4.7 spark plug socket.
  3. 3
    Measure the gap on the new plugs. This is different based on the model. For example, the 2004 Dodge Durango 4.7 spark plug gap might differ from the 2008 Dodge Ram 1500 4.7 spark plug gap.
  4. 4
    Replace the plugs.
  5. 5
    Test drive the truck to make sure everything runs correctly.

People Also Ask (FAQs)

What brand of spark plugs does Dodge use? Does the brand of spark plugs matter?

Mopar is the brand that makes the majority of Dodge parts. However, there are many high-quality spark plugs brands to choose from, including Bosch, Champion, and NGK. 

What gap should my spark plugs be? What happens if you don’t gap your spark plugs?

You can choose spark plugs that are pre-gapped to the right specifications, but you should always double-check the measurement. While it is different based on the generation of the engine, the 2006 Dodge Durango 4.7 spark plug gap measures between 0.040” and 0.044”. If the spark plug gap is incorrect, your engine could miss or run erratically while idling.

How often should spark plugs be replaced on my 4.7 Dodge Ram?

It depends on what type of plug you choose. Many iridium spark plugs can go 100,000 miles without needing a replacement, which lowers your overall tune-up cost since it is done less often.

How does a spark plug impact emissions and gas mileage?

As spark plugs begin to wear, they become less efficient. Each cylinder needs to create a spark igniting the air/fuel mixture, but when the plugs don't work correctly, the process isn't optimized. In the process, you will notice a lack of power, weaker acceleration, and reduced fuel economy. As the engine doesn't run as it should, you might also have increased emissions as a result.

Where is the best place to buy replacement spark plugs for a 4.7 Dodge engine?

It doesn’t matter what auto parts you are looking for; we always recommend shopping on Amazon. Whether you need spark plugs, a tonneau cover, or headlights, you can ensure compatibility by using Amazon’s garage feature.


Conclusion

What are the best spark plugs for a 4.7 Dodge Ram engine? We recommend the Bosch9664 spark plugs. You can’t find much better performance, thanks to the double iridium design. This set is designed for top-notch performance.

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