Best Dorman Car Spark Plugs of 2025

Joseph Prokop Avatar
Joseph Prokop
Last Updated: 11 Feb 2025

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Car Spark Plugs are an essential component of any vehicle's ignition system. They are responsible for igniting the fuel mixture in the engine's combustion chamber, which powers the vehicle. Dorman is a well-known brand that produces high-quality spark plugs designed to improve engine performance, fuel efficiency, and reduce emissions. Their spark plugs are made with durable materials and engineered to meet or exceed OEM standards, ensuring a reliable and long-lasting product. Whether you're a professional mechanic or a DIY enthusiast, Dorman's Car Spark Plugs are a great choice to keep your vehicle running smoothly.

At a Glance: Our Top Picks

Dorman Spark Plug Non-Fouler, 2 Pack Cover #TOP 1
Dorman Spark Plug Non-Fouler, 2 Pack
ftb score rating icon 9.9
Dorman 40283 Universal Spark Plug Wire Holders Cover #TOP 2
Dorman 40283 Universal Spark Plug Wire Holders
ftb score rating icon 9.8
Dorman Pro Pk Std Grade 8 Hardware Set Cover #TOP 3
Dorman Pro Pk Std Grade 8 Hardware Set
ftb score rating icon 9.6

Top 10 Dorman Car Spark Plugs

#TOP 1

Dorman Spark Plug Non-Fouler, 2 Pack

42109
Dorman Spark Plug Non-Fouler, 2 Pack Cover
Dorman 42109 Extended Spark Plug Non-Fouler - Universal Fit, 2 Pack

The Dorman Non-Fouler is designed for easy installation, helping you protect your spark plugs from fouling and damage. This solution preserves the life of your spark plugs, ensuring they perform reliably over time. Made from quality components, it offers durability and dependable performance, giving you peace of mind. With its effective design, you can trust that this non-fouler is a reliable replacement for any original that has succumbed to corrosion.

What We Like
Easy installation
Extends spark plug life
Durable materials
Reliable performance
#TOP 2

Dorman 40283 Universal Spark Plug Wire Holders

40283
Dorman 40283 Universal Spark Plug Wire Holders Cover
Dorman 40283 Spark Plug Wire Retainers, 2 Pack Universal Fit

The Dorman Spark Plug Holders are designed to be a direct replacement for your vehicle's original spark plug wire holders. They ensure that your spark plug wires are protected and preserved, enhancing their functionality. Made from high-quality materials, these holders provide reliable performance and a long service life, giving you peace of mind. With these holders, you can restore the functionality of your spark plug wires, ensuring your vehicle runs smoothly.

What We Like
Direct replacement for original holders
Restores spark plug wire functionality
Durable and reliable materials
Long service life
#TOP 3

Dorman Pro Pk Std Grade 8 Hardware Set

799-301D
Dorman Pro Pk Std Grade 8 Hardware Set Cover
Dorman 799-301d Pro Pk Std Grd8 Hrdwr - 132 Pcs

The Dorman Pro Pk Hardware offers a cost-efficient and time-saving solution for your hardware needs. By providing a comprehensive set of components, it eliminates the hassle of purchasing each piece separately. This set also keeps your hardware organised and easily accessible, saving you valuable time in the garage. Additionally, it includes a visual reference guide on the inside cover, making it simple for you to identify parts at a glance.

What We Like
Cost-effective solution
Organises hardware efficiently
Visual reference guide included
Reorder all pieces easily
#TOP 4

Dorman 49816 Spark Plug Boot Replacement Kit

49816
Dorman 49816 Spark Plug Boot Replacement Kit Cover
Dorman 49816 Replacement Spark Plug Boot for Dorman 42025 Kit

The Dorman Spark Plug Boot is designed for easy installation, making it a convenient choice for users looking to replace their spark plug boots without hassle. It is compatible with the original equipment number 3l3z12a402ba, ensuring a proper fit for your vehicle. This product is particularly beneficial for those who prefer to maintain their car's performance with reliable components. Additionally, it's important to note that international products may vary in terms of fit and instructions, so users should consider this when making a purchase.

What We Like
Easy to install
Compatible with OE number
Reliable performance
Convenient for car maintenance
#TOP 5

Dorman 42009 Spark Plug Non-Foulers - 18mm

42009
Dorman 42009 Spark Plug Non-Foulers - 18mm Cover
Dorman 42009 Spark Plug Non-Foulers - 18mm Gasket Seat, 2 Pack

The Dorman Spark Plug Non-Foulers offer trustworthy quality, thanks to a team of product experts with over a century of automotive experience. Designed for easy installation, these non-foulers protect your spark plugs from fouling and damage in specified vehicles, providing you with peace of mind. They serve as an ideal solution, extending the life of your spark plugs and replacing original non-foulers that may have corroded. With durable construction, you can rely on their performance for a long service life.

What We Like
Easy installation
Protects spark plugs
Extends spark plug life
Reliable performance
Durable construction
#TOP 6

Dorman 49808 Spark Plug Boot Adapters - Pack of 2

49808
Multi
Dorman 49808 Spark Plug Boot Adapters - Pack of 2 Cover
Dorman 49808 Spark Plug Boot Adapter, Pack of 2

The Dorman Spark Plug Adapters offer a practical solution for those looking to replace their spark plug boots with dealer-quality parts now available in the aftermarket. Made from quality materials, these adapters ensure durability and reliability in performance. You’ll appreciate the convenience of having new products that meet your automotive needs, providing you with new solutions and opportunities for your vehicle. Additionally, be aware that international products may come with different terms and specifications, so check before purchasing.

What We Like
Aftermarket availability
Durable materials
New solutions offered
Quality performance
#TOP 7

Dorman 85740 10 Gauge Wire - 75 Feet

85740
Dorman 85740 10 Gauge Wire - 75 Feet Cover
Dorman Help! 85740 Wire Spl Red 10 Ga 75' *

The Dorman 85740 Wire is a versatile product available in various gauges and colours, making it ideal for your specific project needs. Its convenient packaging comes in different lengths, allowing you to tackle both small and large tasks with ease. Whether you are working on household repairs or industrial applications, this wire is suitable for a wide range of watts and amperages. This means you can rely on it for multiple uses, ensuring you have the right wire for any job.

What We Like
Wide range of gauges and colours
Various lengths for convenience
Suitable for many applications
Backed by quality control experts
#TOP 8

Dorman 917-005 Spark Plug Tube Replacement

917-005
Black
Dorman 917-005 Spark Plug Tube Replacement Cover
Dorman 917-005 Spark Plug Tube

The Dorman Spark Plug Tube is designed to prevent spark plugs from fouling out, ensuring your engine runs smoothly. By replacing the tube, you help maintain your vehicle's drivability, which is essential for everyday use. This part is a direct replacement, offering a proper fit for your vehicle. Moreover, it has undergone thorough vehicle try-on testing, ensuring trouble-free performance and reliability when you need it most.

What We Like
Prevents spark plug fouling
Maintains vehicle drivability
Direct replacement for easy fit
Tested for reliable performance
#TOP 9

Dorman 700-370 Plug Button - 1/2 In

700-370
Dorman 700-370 Plug Button - 1/2 In Cover
Dorman 700-370 Plug Button - 1/2 In., Pack of 25

Features
Fits Multiple Makes And Models (contact Seller With Your Vehicle For Fitment Compatibility Information)
Comes With Full Manufacturer *
Brand New
#TOP 10

Dorman Spark Plug Non-Fouler Pack of 2

42004
Dorman Spark Plug Non-Fouler Pack of 2 Cover
Dorman 42004 Spark Plug Non-Fouler - 14mm Gasket Seat Long Reach, Pack of 2

The Dorman Spark Plug Non-Fouler is designed for easy installation, allowing you to protect your spark plugs from fouling and damage in specified vehicles. This ideal solution helps extend the life of your spark plugs, serving as a reliable replacement for any original non-fouler that may have corroded. Made from durable components, it ensures consistent performance and longevity. You can trust the quality of this product, as it is backed by a team of experts with over a century of automotive experience.

What We Like
Easy installation
Extends spark plug life
Durable construction
Reliable replacement
Buying Guide Image
Editor's Notes

During our Dorman car spark plug research, we found 16 Dorman car spark plug products and shortlisted 10 quality products. We collected and analyzed 6,862 customer reviews through our big data system to write the Dorman car spark plugs list. We found that most customers choose Dorman car spark plugs with an average price of £31.44.

The Dorman car spark plugs are available for purchase. The top 10 picks range in price from a low of £12.00 to a high of £77.00, find the one that fits your budget.

Written by
Joseph Prokop Avatar

Joseph is a seasoned writer who's also passionate about automotive. His passion for automotive care and maintenance fuels his drive for more knowledge in the field. He currently resides in Middlesbrough, where he finds time to write informative contents on automotive. His automotive related articles are quite popular in journals around the world. Joseph continues to use his wealth of experience in the industry to create helpful guides on automotive.