Updated: 27 Feb 2025

spark plug test tools

Explore up to 16% Off

Updated: 27 Feb 2025

#1

Best Choice
ELEAD 12-Piece 3/8" Drive Spark Plug Socket Set with Ratchet Handle, Universal Joint, Spark Plug Gapper & Extension Bar, 9/16", 5/8", 3/4", 13/16", 14mm, 18mm, CR-V Sockets with Rubber Holding Rings

9.9

ELEAD

Read more

Main highlights

VERSATILE SIZE RANGE - Includes 6pt spark plug sockets (9/16", 5/8", 3/4", 13/16", 14mm, 18mm), 3/8" drive ratchet handle, spark plug gapper, universal joint, and extension bars (3", 6", 10") to fit various vehicles and small engines.

SECURE FIT - The 6-point design of the spark plug sockets provides a snug fit on hex nuts, with rubber holding rings inside each socket to protect spark plugs from damage during removal and installation.

PREMIUM MATERIAL - Crafted from heat-treated chrome vanadium steel, this spark plug socket set offers exceptional durability and a mirror polish finish for corrosion resistance and easy cleanup, perfect for long-lasting use.
#2

Value for Money
TecoTek 11-Piece Spark Plug Socket Set with 3/8" Drive Ratchet Handle, Spark Plug Gapper, Universal Joint and Extension Bar, 5/8", 3/4", 13/16", 14mm, 18mm, CR-V Sockets with Rubber Retaining Rings

9.8

TecoTek

-10%

Read more

Main highlights

【Size Include】6pt spark plug socket 5/8-Inch, 3/4-Inch, 13/16-Inch, 14mm, 18mm, 3/8 Inch drive ratchet handle, spark plug gapper, universal joint, 3", 6" and 10" long extension bar. It's a high quality set for DIY spark plug removal and installs.

【Premium CR-V】Constructed of durable, heat treated chrome vanadium steel, these sockets also feature a mirror polish finish . They work great and make removing and installing spark plugs a snap.

【6-POINT DESIGN】6-point opening of spark plug sockets snugly fits spark plug hex nuts without slipping. Each socket has a rubber retaining ring inside to keep your spark plug from getting damaged.

-10%
Curious about how we select the top products for you? Explore How It Works

How do we rank
Our AI-powered platform ranks products using multiple weighted factors from millions of products and user reviews across the web, providing the most valuable and real data. Higher scores rank first.
#3
LEXIVON 5/8" Swivel Magnetic Spark Plug Socket, 3/8" Drive x 10" Total Length | Enhanced Magnetic Design with Thin Wall Socket, Cr-v Steel (LX-122)

9.7

LEXIVON

Read more

Why we love it

Magnetic core securely holds spark plugs.

Durable chrome vanadium steel construction.

Smooth 360-degree action for tight spaces.

Main highlights

360 Degree Swivel and Magnetic Design
Smooth 360-degree ball swivel with magnetic and thin wall design for easy spark plug removal and installation.

Perfect for Tight Engine Spaces
Ideal for removing and installing spark plugs in tight or deep engine wells, especially in vehicles like Dodge Ram, Ford F150, and Toyota Tundra.

Strong Magnetic Hold
Customers frequently praise the strong magnetic feature that securely holds spark plugs, making installation and removal much easier.
#4
QWORK Car Spark Plug Wire Removal Pliers Tool, Sleeve Type Spark Plug Puller + Round Spark Plug Pliers

9.5

QWORK

Read more

Main highlights

Non-slip Handle: Ergonomic handle, comfortable and labor-saving.

High strength: Those clamps are made of carbon steel to ensure durability and strength.

Easy to use: Just use pliers to clamp the spark plug wire with sleeve head, it can be removed or replaced.
#5
CASOMAN 3/8-Inch Drive Spark Plug Socket Set, 6-Point, Include Extension Bar, Universal Joint & Spark Plug Gapper, 8Piece Set, CR-V Steel

9.4

CASOMAN

Read more

Main highlights

The 3/8-inch drive socket set include: 5 Piece spark plug socket: 5/8-Inch, 3/4-Inch, 13/16-Inch, 14mm, 18mm; Universal joint; Extension bar: 6-Inch; Spark plug gapper.

Rubber retaining ring holds plug securely. 6 Point desgin, thin wall. 6-inch extension bar allow you to reach deep into spark plug wells.

Manufactured from Heavy-duty Chrome-Vanadium steel alloy (50BV30) with mirror polish finish for easy cleanup and laser etched sizes on each socket for easy identification.
#6
Thexton Mfg Co. 492 Spark Plug Installer/Remover Kit

9.3

Thexton

-14%

Read more

Main highlights

Start and remove spark plugs in deeply recessed cylinder spark plug holes

Set includes 3" and 6" plug starters

6" length is designed for coil-on plug applications and other engines with recessed spark plugs

-14%
#7
12pc 3/8" Spark Plug Socket Set with 3/8" Drive Ratchet Wrench,3 Extension Bars(3",6",10")，Spark Plug Socket Sets, Gap Tool, U Joint,1/2" to 3/8" Adapter

9.1

KOOPOOL

-16%

Read more

Main highlights

Fits Most Vehicles – Five socket sizes cover Honda, Toyota, BMW, Ford, Chevrolet, Dodge, and more. Works on modern cars, SUVs, classic V8s, motorcycles, and even lawnmowers—one kit for all!

12-Piece Spark Plug Tool Set – Everything you need for spark plug changes! Includes a 3/8" drive ratchet, three extension bars (3", 6", 10"), five spark plug sockets (5/8", 3/4", 13/16", 14mm, 18mm), a universal joint, a 1/2" to 3/8" adapter, and a spark plug gapper, all packed in a sturdy blow-molded case for easy storage.

Durable & Reliable – Made of heat-treated chrome vanadium steel with a mirror-polished finish, ensuring high strength and corrosion resistance for long-term use.

-16%
#8
PQY Universal Spark Plug Gap Tool with 32 Blades Steel Feeler Gauge for Most 10mm 12mm 14mm 16mm Spark Plugs Red

9.0

PQY

Read more

Main highlights

Tip for adjusting gap: Some spark plugs electrode will spring back when adjust gap. So if your gap target is 0.44mm ,we suggest to use 0.42mm, this way when it spring back you will get it to 0.44mm.

Spark plug gapping tool :the tool is made of high quality aluminum with matte texture,allows you to adjust spark plug gap easily and quickly .Just place your spark plug onto the spark plug gapper and then use your desired feeler, then screw the knob slowly until get your desired gap thickness.

Fitment: The PQY spark plug gap tool is for most of 14mm 12mm 10mm 16mm standard spark plugs. But not for 18mm thread .
#9
Toolwiz Spark Plug Gap Tool with 32 Blade Steel Feeler Gauge, Universal Gapping Tool for Most 10mm 12mm 14mm 16mm Thread Spark Plugs, Red

8.9

Toolwiz

Read more

Main highlights

Universal Fitment: Toolwiz spark plug gap tool is compatible with most of 14mm 12mm 10mm 16mm standard spark plugs. NOT compatible with 18mm thread and long reach or short reach plugs spark plugs, please check the size of your spark plugs before purchase

Effort Saving: Spark plug gapper allows you to adjust the gap with less time and effort. Simply place the spark plug onto the spark plug gapping tool and select your desired feeler gauge thickness, then screw the knob slowly till the side electrode compresses to the desired gap thickness

Adjustment Tips: For normal physical phenomena, some spark plugs electrode will spring back when adjust the gap. You are suggested to use 0.028in feeler gauge size if your desired gap is 0.03in, smaller scale than the target gap is recommended
#10
16mm&14mm Spark Plug Socket,Thin Wall 12 Points 3/8" Drive Spark Plug Removal Tool Compatible with BMW Nissan More Car,CRV Steel Magnetic Spark Plug Socket Set Car Tools (14mm+16mm)

8.8

Salior

Read more

Main highlights

❏ SUPERIOR QUALITY - Our 3/8 inch spark plug socket is forged from integral heat-treated superior CRV steel, high hardness, high torque, polished surface, not easy to rust and deform, and can be used for a long time without damage, we are proud of its quality, it is the ideal professional tool for replacing spark plugs in cars.

❏ BUILT-IN MAGNETIC RING - The spark plug sockets are designed with a magnetic ring inside, which is 10mm deeper to clamp the spark plugs and hold them firmly in the sockets to prevent them from slipping or being clamped too tightly. Meanwhile, the 12-corner ultra-thin wall opening is more suitable for a wider range of applications than the hexagonal spark plug sockets!

❏ 360 DEGREE ROTATION - This spark plug socket is designed with universal connector, able to rotate 360 degrees freely and change flexibly, easy to cope with improper installation of spark plugs at different angles, and in a narrow space, there is no need to worry! This is a must-have automotive tool for repairing your car.

Discover top deals and categories on Amazon Check Deals

spark plug test tools

ELEAD 12-Piece 3/8" Drive Spark Plug Socket Set with Ratchet Handle, Universal Joint, Spark Plug Gapper & Extension Bar, 9/16", 5/8", 3/4", 13/16", 14mm, 18mm, CR-V Sockets with Rubber Holding Rings

9.9

Main highlights

TecoTek 11-Piece Spark Plug Socket Set with 3/8" Drive Ratchet Handle, Spark Plug Gapper, Universal Joint and Extension Bar, 5/8", 3/4", 13/16", 14mm, 18mm, CR-V Sockets with Rubber Retaining Rings

9.8

Main highlights

LEXIVON 5/8" Swivel Magnetic Spark Plug Socket, 3/8" Drive x 10" Total Length | Enhanced Magnetic Design with Thin Wall Socket, Cr-v Steel (LX-122)

9.7

Why we love it

Main highlights

QWORK Car Spark Plug Wire Removal Pliers Tool, Sleeve Type Spark Plug Puller + Round Spark Plug Pliers

9.5

Main highlights

CASOMAN 3/8-Inch Drive Spark Plug Socket Set, 6-Point, Include Extension Bar, Universal Joint & Spark Plug Gapper, 8Piece Set, CR-V Steel

9.4

Main highlights

Thexton Mfg Co. 492 Spark Plug Installer/Remover Kit

9.3

Main highlights

12pc 3/8" Spark Plug Socket Set with 3/8" Drive Ratchet Wrench,3 Extension Bars(3",6",10")，Spark Plug Socket Sets, Gap Tool, U Joint,1/2" to 3/8" Adapter

9.1

Main highlights

PQY Universal Spark Plug Gap Tool with 32 Blades Steel Feeler Gauge for Most 10mm 12mm 14mm 16mm Spark Plugs Red

9.0

Main highlights

Toolwiz Spark Plug Gap Tool with 32 Blade Steel Feeler Gauge, Universal Gapping Tool for Most 10mm 12mm 14mm 16mm Thread Spark Plugs, Red

8.9

Main highlights

16mm&14mm Spark Plug Socket,Thin Wall 12 Points 3/8" Drive Spark Plug Removal Tool Compatible with BMW Nissan More Car,CRV Steel Magnetic Spark Plug Socket Set Car Tools (14mm+16mm)

8.8

Main highlights

Similar products on Amazon

CTA Tools 3235 Spark Plug Gapper

QWORK Spark Plug Socket Wrench, Universal,T-handle, 6mm (5/8") & 21mm (13/16") Remover Installer

QWOKR Spark Plug Wire Removal Plier Spark Boot Removal Pliers for Car

BJSIA 16mm(5/8") Swivel Magnetic Spark Plug Socket Set, 3/8 Inch Drive Thin Wall Socket, 12-Point Design Compatible with Most Cars

smilfuy Spark Plug Socket Wrench T-Handle16mm (5/8") & 21mm (13/16") Remover Installer, Universal Spark Plug Wrench Removal Tool for Motorcycles, Lawn Mowers, Small Motor Vehicles

GZZTORES Spark Plug Socket Wrench T-Handle 5/8 Inch (16 mm) and 13/16 Inch (21 mm) Spark Plug Socket Wrench Remover Installer Tool for Motorcycles, Lawn mowers and Small Motor Vehicles, etc

bylikeho Spark Plug Tool,Spark Plug Removal Tool,Spark Plug Socket Wrench,Car Accessories 6mm (5/8") & 21mm (13/16") Remover Installer Tool Kit,Universal,T-Handle Spark Plug Wrench for Lawn Mower

JOYCOURT 14mm&16mm Magnetic Swivel Spark Plug Socket, Thin Wall 3/8 Inch Drive 12-Point Standard Spark Plug Socket Removal Tool 360-degree Rotation, Suitable for Most Car Models

Spark Plug Removal Tool - Professional O Ring Nose Spark Plug Pliers with 11" Extended Design & Anti Slip Handle - Your Car Essentials Spark Plug Boot Removal Tool

CTA Tools 3238 9-Wire Spark Plug Gap Gauge

More products you might like

Sign up and get exclusive special deals