Buyer's Guide & Information

Best Spark Plug Wires For 5.3 Silverado Reviewed

If you own a 5.3 Silverado/Vortec engine, you need the right kind of spark plug wires. We put together this comprehensive review of the best options available.

Spark plugs are one of the most important parts of a car engine. The spark plug ignites the fuel and air mixture to create the explosion which powers the car. If you have a bad spark plug, then your engine cannot run properly. If you own a 5.3 Silverado/Vortec engine, you need the right kind of spark plug wires. So we put together this comprehensive review on the best spark plug wires for 5.3 Silverado. 

Preview

Product

Compatible Vehicles

Plug Diameter

Resistance

Check Price

Edelbrock 22716 Ultra Spark 50 Plug Wire Set...

Edelbrock 22716

1998-2007 1500 Silverado 5.3

9.5 mm

50 ohms

JDMSPEED High Performance Spark Plug Ignition...

JDMSPEED D071

2007-2008 Chevy Silverado 1500 5.3
2007-2008 Chevy Silverado 2500 5.3
2007-2008 Chevy Silverado 3500 5.3

10.2 mm

50 ohms

8.5mm Performance Spark Plug Wires Compatible...

King Auto Parts

1999-2006 Chevy Silverado 1500 5.3

8.5 mm

50 ohms

ACDelco 9748HH Professional Spark Plug Wire...

ACDelco 9748HH

1990-2007 Chevy Silverado Classic 5.3

10.2 mm

50 ohms

Taylor Cable 64628 Blue 8mm High Energy Spark...

Taylor Cable 64628

1999-2007 Chevy Silverado 1500 5.3
2006-2008 Chevy Silverado 2500 5.3

8 mm

50 ohms

MSD 33829 Spark Plug Wire

MSD 33829

2009-2014 Chevy Silverado 1500 5.3
2009-2014 Chevy Silverado 2500 5.3

10.2 mm

40-50 ohms

Cable Master 10mm Racing Performance Spark...

Cable Master

1999-2006 Chevy Silverado 1500 5.3

9 mm

40 ohms


5.3 Silverado Engines & Benefits of Spark Plug Wire Upgrades

While most car owners know to change their spark plugs, fewer regularly change their spark plug wires. If you own a Chevy Silverado 1500 from between 1998-2007, then it likely has a 5.3L engine and needs specific performance spark plug wires. Upgrading your spark plug wires has several benefits, including:

  • Increased engine performance
  • Improved gas mileage
  • Save money on repairs
  • Reduce radio frequency interference (RFI)

So if you have an older Chevy Silverado truck, then you can stand to benefit a lot by improving your spark plug wires.


Spark Plug Wires for a 5.3 Silverado (Buyer’s Guide)

Engine compatibility

You need to have the right kind of engine to use a 5.3 spark plug wire. Specifically, you need a 5.3L V8 engine. Chevy Silverado 1500s made between 1998-2007 have this kind of engine. Spark plug wires will not work if you hook them up to an engine that is not compatible.

Build quality

You should also consider the quality of the materials. Spark plug wires are made from an outer insulator and heat resistant material like silicone or EPDM rubber. The insulation prevents arcing from the cable to other components.  Most modern spark plug wires have a carbon-enhanced core, which makes them highly resistant to RFI noise.

Spark plug wire type

  • Distributed resistance wire
    These kinds of wires have a fiberglass core with latex graphite incorporated in the structure. They are the most common of spark plug wires and are meant to evenly distribute resistance over the wire's length.
  • Magnetic resistance wire
    Magnetic resistance wires use metal materials with the magnetic potential to pass a current. These kinds of wires are also commonly used in electro motors because they have high resistance and good electrical strength.
  • Fixed resistor wire
    Fixed resistor wires have a fixed resistance that cannot be changed by creating a magnetic field. These kinds of resistor wires are fairly common because they are relatively cheap to make and install.
  • Spark plug wire core
  • Carbon - Carbon is the most common core material for spark plug wires because it has high heat-resistance and good resistance while also acting as a conductor.
  • Solid - Solid wire cores are made from a solid piece of some metal, usually a metal with decent conductivity and resistance.
  • Spiral - spiral cores have a spiral of material on the interior. These kinds of wires have excellent conductivity and can last a long time. 

Length

The length of a spark plug wire does not really matter as to its performance but will matter for how it is installed. Most spark plug wires are fairly short at about 6" long, but some can be longer. Essentially, you need a long enough wire that can reach the coil or distributor.

Resistance

You want your spark plug wire to have some resistance but not too much. Too little resistance and you run the risk of a short or the wire passing too much current. Too much resistance and the wire can become too hot and negatively impact your fuel economy and engine performance. A good rule of thumb is to find a wire with at least 50 ohms of resistance. 

EMI & RFI

Electromagnetic interference (EMI) and radio frequency interference (RFI) are caused by other electrical components in your car. Too much interference can negatively affect your engine performance and reduce the life of the wire. Modern spark plug wires are built to minimize these kinds of interferences. The goal is to get out the most amount of charge without creating interference.

Price & Warranty

As always, you should check prices and warranty. A full set of good spark plugs likely costs about $100. Warranties can vary heavily depending on the provider, some with extended warranties, and some with no warranties at all. A good warranty can save you in the unfortunate event you need to replace a wire.


7 Best Spark Plug wires for 5.3 Silverado Vortec Reviewed

1. Edelbrock 22716

Best Spark Plug Wires for 5.3 Silverado

Compatible Vehicles

1998-2007 1500 Silverado 5.3

Plug Diameter

9.5 mm

Voltage

5,000-10,000 volts

Resistance

50 ohms

Key Features

Silicone jacket is durable

First up on our list is the Edelbrock 22716 spark plug wires. These spark plug wires feature 50 ohms of resistance and metal sleeves to reduce EMI and RFI to other components. These wires are made from high-quality materials to deliver the highest voltage possible and ensure ultimate performance. They have high EMI/RFI suppression and low resistance to deliver the most spark possible.  

These wires also have a heavy-duty 8.5mm diameter silicone jacket to protect the interior spiral core. The spiral core is made from kevlar that protects against heat, moisture, and chemical weathering. These wires are engineered for high performance and have a long lifespan. 

These wires are also highly affordable, so they are recommended for budget builds and daily drivers. They are ideal for engines that have aftermarket upgrades so they can deliver the highest possible voltage. They can improve your fuel performance and engine performance when installed with the right components.

Overall, the Edelbrock 22716 is the best performing spark plugs for Silverado trucks out there. They are of high quality, have high resistance, and have extreme EMI and RFI suppression, so they do not interfere with other electrical components. They make a nice addition to any Chevy model truck.

Pros

  • High voltage capacity
  • Low resistance
  • Durable materials
  • Spiral core

Cons

  • Short wires
  • Specific voltage requirements

2. JDMSPEED D071

Runner Up

Compatible Vehicles

2007-2008 Chevy Silverado 1500 5.3
2007-2008 Chevy Silverado 2500 5.3
2007-2008 Chevy Silverado 3500 5.3

Plug Diameter

10.2 mm

Voltage

5,000 - 10,000 volts

Resistance

50 ohms

Key Features

Spiral core, silicone jackets, ultra-low resistance

Up next is the JDMSPEED D071 High-Performance Spark Plugs. These spark plugs are designed for high performance and feature 100% new materials for its construction. The D071 features a 10.2mm spiral-wound design that gives ultra-low resistance and a kevlar core that is temperature resistant. The JDMSPEED D071 is also very cost-friendly and won’t break the bank.

The D071 has very thick insulation jackets made from durable silicone. This gives the wires great insulation and interference suppression. The clips, boots, and metal shield are made from high-quality materials, and they fit snug in the spark plug socket. These plugs are compatible with a standard 5.3 Vortec but also with larger engines such as a 6.0L.

The wires themselves are very thick and flexible. They also attach securely, so you do not have to worry about them coming loose while in operation. The D701 are also relatively long, so they are easy to set up without worrying about them not reaching.

Overall, the JDMSPEED D071 spark plug wires are an excellent and budget-friendly choice for the daily driver. They can get a high level of performance out of your engine and significantly improve your fuel economy while driving.

Pros

  • Very affordable
  • Low resistance
  • Long wires
  • Affordable

Cons

  • Jackets can come loose
  • Quality control issues with manufacturer

3. King Auto Parts

Best Value Spark Plug Wires for 5.3 Vortec

Compatible Vehicles

1999-2006 Chevy Silverado 1500 5.3

Plug Diameter

8.5 mm

Voltage

5,000-10,000

Resistance

50 ohms

Key Features

Very affordable, silicone jacket, wide range of compatible vehicles

Up next is King Auto Parts 8.5mm Performance Spark Plug Wires. These spark plug wires feature a durable and tightly coiled spiral core design that improves heat resistance and greatly reduces EMI and RFI. The kevlar core features extremely low-resistance so it can get the high voltages it needs to power your engine.

The King Auto Parts are incredibly affordable, which is why it won our pick for the best value spark plugs for a 5.3 Vortec. It has silicone boots and a sleeve that up the insulation and ensure that the cored stays securely in the slot. These spark plug wires are ready to be installed right out of the box and require little extra setup specifications.

This pack of spark plug wires comes with 8 to a box, which is more than enough to attach and have some spares. They are compatible with over 30 modern and older car models, including the Chevy Silverado 1500 series with a  5.3 Vortec engine.

So, if you are looking for an excellent set of budget spark plugs, then look no further. King Auto Parts has got you covered with these durable, low-resistance spark plugs for your Chevy Silverado 5.3 Vortec.

Pros

  • Extremely affordable
  • Durable components
  • Spiral core design
  • Ultra-high interference suppression

Cons

  • Longer cords
  • Boots can be tight

4. ACDelco 9748HH

Best 2004 Silverado 5.3 Spark Plug Wires

Compatible Vehicles

1990-2007 Chevy Silverado Classic 5.3

Plug Diameter

10.2 mm

Voltage

5,000-10,000

Resistance

50 ohms

Key Features

Special terminal design, dielectric insulators, long wire length

Up in fourth is the ACDelco 9748HH Spark plug set. These spark plugs won our pick for the best choice for the 2004 Silverado 5.3 due to their durable design and high-performance. These spark plugs feature a terminal design that improves plug retention and installation while also providing excellent corrosion resistance. The insulator employs high dielectric materials, which act as magnetic suppressors to reduce interference.

The ACDelco features a distributor boot shape that gives it a proper and tight first that is also watertight. The kevlar core is heat resistant and resistant to chemical weathering. The coil retainer is designed to prevent fretting and micro-arcing, both of which can negatively impact engine performance.

This spark plug wire set is long but fits well in most Silverado 5.3 models. The metal spark covers slip on snuggly. They can bring your car back from the brink and greatly improve fuel economy and engine performance. They are also very affordable for the performance that you get.

So, if you are looking for a good set of spark plugs to breathe life back into your truck, then look no further. The ACDelco 9748HH is of professional standard and will last a long time.

Pros

  • High interference suppression
  • Terminal design prevents corrosion
  • Dielectric insulators
  • Long wire length

Cons

  • Quality control issues
  • Not compatible with newer models

5. Taylor Cable 64628

Best Spark Plug Wires for Older 5.3 Silverado

Compatible Vehicles

1999-2007 Chevy Silverado 1500 5.3

 2006-2008 Chevy Silverado 2500 5.3

Plug Diameter

8 mm

Voltage

5,000-10,000

Resistance

50 ohms

Key Features

Silicone jacket, long cable length, oil-resistant insulator

In fifth place is the Taylor Cable 64628, which has won our choice for the best spark plug wire for older Silverado 5.3 models. The Taylor Cable features durable silicone boot ends that increase insulation and resists heat and a double spring lock to securely attach to the spark plugs. The Taylor Cable also features oil-resistant insulation that is heat resistant up to 90-degree.

The Taylor Cable has an 8mm diameter cable that features a Kevlar core that dramatically reduces interference behavior and makes the wire strong. They are long enough to fit most applications but not too long that they need to be adjusted to fit correctly. The high voltage and low-resistance wires can greatly improve engine performance and fuel economy while also lasting a long time.

The resistance core is an excellent choice for today’s high energy ignition systems, but it also works for older models. It is engineered to perform under high hood temperatures and has a universal fit end for most spark plug attachments. The Taylor Cable is an excellent choice if you have an older Silverado model with a 5.3 Vortec. It can make your engine perform better than ever to protect your investment.

Pros

  • Long cable length is easy to install
  • Insulated materials
  • Very affordable
  • High interference suppression

Cons

  • Quality control issues
  • Too long for some applications

6. MSD 33829

Best 2014 Chevy Silverado 5.3 Spark Plug Wires

Compatible Vehicles

2009-2014 Chevy Silverado 1500 5.3
2009-2014 Chevy Silverado 2500 5.3

Plug Diameter

10.2 mm

Voltage

5,000-10,000

Resistance

40-50 ohms

Key Features

Large silicone jackets, long length, copper alloy

Our penultimate entry in the round-up is the MSD 33829 spark plug wire. These spark plug wires won our pick for the best spark plug wires for newer Chevy Silverado models and feature low resistance and a high degree of interference suppression. The MSD wires use copper alloy as conductors for increased voltages and carrying capacity and reduced loss in spark energy.

The MSD spark plug wires are compatible with a wide range of vehicles, including most models of Silverado trucks. Each cable is 12 inches long and features a silicone jacket for a secure connection and high insulation. 

If you are looking for a set of spark plugs with low resistance, look no further. The MDS wires have a low resistance of 40-50 ohms. All materials are highly resistant to abrasion and tears, as well as high heat. These wires can make your engine run much more efficiently and improve your fuel economy.

These spark plugs are very easy to install, and the thick silicone jackets ensure that they stay connected in the wire jacks. They are also very affordable, so you can get a great set of spark plug wires without breaking the bank. 

Pros

  • Long cable length for easy installation
  • Ultra-low resistance
  • Copper alloy core
  • Low reduction in spark energy

Cons

  • Jackets are thick
  • Difficult to install

7. Cable Master

Best 5.3 Spark Plug Wires for Years 99-06

Compatible Vehicles

1999-2006 Chevy Silverado 1500 5.3

Plug Diameter

9 mm

Voltage

5,000-10,000

Resistance

40 ohms

Key Features

High performance, copper conductors, heavy-duty silicone jackets

Last on our list, but not least, is the Cable Master 10mm racing performance spark plug wires. These spark plug wires won out for the best spark plug wires for 1999-2006 model Chevy Silverados. These spark plug wires feature a Kevlar core and durable nickel wound conductor for maximum voltage and current transfer. They also have a high-strength double silicone jacket that is tear-resistant and also has a heat-resistant insulation layer.

The Cable Master is designed to improve the safety of electric connection low resistance and are very resistant to high temperatures. The silicone boots provide a high degree of interference suppression. The high conductor copper wire delivers maximum voltage for improved performance.

These spark plug wires can improve your engine performance and fuel economy by providing the maximum voltage. They are a suitable length and install easily without too much work. These wires are designed specifically for a high-performance operation like that found in racing vehicles and are compatible with over 50 different vehicle types.

So, if you are looking for the best spark plug wires for older Chevy Silverado models, then this one's for you. The Cable Master wires will serve you well for a long time.

Pros

  • Heavy-duty silicone
  • Ultra-low resistance
  • Fiberglass heat-resistant layer
  • Durable nickel wound conductor

Cons

  • Short cords
  • Quality control issues

How to Know When Spark Plug Wires Need Replacing

Experts recommend that you change your spark plug wires approximately every 60,000-100,000 miles. Common problems that might indicate a bad spark plug wire are difficulty starting your engine, reduced power and acceleration, and a reduction in fuel efficiency. In some cases, bad cables can cause engine stalls and engine damage.


Tips for Installing Spark Plug Wires on a 5.3 Silverado

First, look under your hood to confirm where the spark plug wires are. You can find the spark plug wires near the ignition coil. Ensure that the spark plug wires you have are suited and compatible with the make and model of your car. Spark plug wires should be numbered based on which slot they need to go in.

Use a boot removal tool to take the old wires out of their connectors. Next, look for the numbered slots and place the wires in the correct order. If your spark plugs are not numbered, then find the new wires that are the exact same length as the old wires and put them in the appropriate spots. Place some dielectric grease on the new wire boots and press them firmly into the connector ports. Make sure that the new wires are not touching any other components in the car, such as the fan belt. 


People Also Ask (FAQs)

Does it matter what spark plug wires you use?

Yes, you need to get spark plugs that are compatible with the make, model, and year of your vehicle.

Do spark plug wires add horsepower?

Yes, they can increase horsepower by increasing the amount of fuel that is being combusted.

How often should spark plug wires be replaced on my 5.3 Silverado?

You should replace spark plug wires every 60,000-100,000 miles or once every 1-2 years.

Do high-performance spark plug wires make a difference?

Yes, high-performance spark plug wires can improve your engine efficiency and fuel economy.

What is the best brand of spark plug wires compatible with 5.3 Silverados?

In our opinion, the best brand of spark plugs for chevy Silverado 5.3 Vortec is either Edelbrock or JDMSPEED.

What happens if you mix up spark plug wires?

Mixing up spark plug wires can cause massive voltage drops and decreased engine efficiency.

What is the best place to buy the reviewed wires above?

You can find the wires above at most auto parts stores or from online retailers such as Amazon.


Conclusion

So there you have it, the 7 best spark plug wires for a Chevy Silverado 5.3 model. Spark plug wires are an extremely important part of your car and need to be kept in good condition. These reviewed spark plugs are our picks for the best Chevy Silverado spark plugs and can help you Chevy maintain long life and good performance.

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