KZYEE KS30 Spark Plug Tester 240V Ignition System Tester Diagnostic Test Tool

KZYEE KS30 Dual-Port Spark Plug Tester – No-Fuss, One-Tap Ignition Coil Checker for 12V Gas Engines – Plug & See Instant Spark – No Frequency Adjustment Needed
Are you tired of guessing whether your spark plugs or ignition coils are faulty? Introducing the KZYEE KS30 Spark Plug Tester – the smart, reliable, and hassle-free way to diagnose ignition issues in 12V gas engines with 99% accuracy!
Key Features:
• 1-TAP TESTING: Quickly check spark plug and ignition coil health with a simple one-tap operation. No complex setup or technical expertise required!
• DUAL-PORT DESIGN: Test two spark plugs simultaneously for faster and more efficient diagnostics.
• PROTECTIVE COVER: Built-in safety cover prevents shock hazard. Simply snap the cover into the slot to turn on and ensure safe operation.
• DURABLE CONSTRUCTION: Made with high-quality ABS impact-resistant housing for long-lasting performance in tough workshop conditions.
• WIDE COMPATIBILITY: Perfect for all 12V gas engines – ideal for cars, motorcycles, lawnmowers, boats, and more.
•CLEAR VISUAL INDICATOR: See the spark clearly through the transparent window to confirm ignition performance.

Why Choose the KZYEE KS30 Tester?
• ZERO HASSLE: No wiring, no batteries, no complicated instructions. Just plug and test!
• RELIABLE & ACCURATE: Trusted by professionals and DIY enthusiasts worldwide.
• SAFETY FIRST: Protective cover design ensures user safety while testing.
• PORTABLE & LIGHTWEIGHT: Take it anywhere – perfect for on-the-go diagnostics.
What’s Included:
1 x KZYEE KS30 Spark Plug Tester
User Manual (if applicable)
Learn More:
Upgrade your toolkit with the KZYEE KS30 Spark Plug Tester and say goodbye to ignition guesswork. Get yours today and diagnose with confidence!
Product Details
• Color: Red
• Brand: KZYEE
• MPN: KZYEE KS30
• Power Source: Corded Electric
• Style: KZYEE KS30
• Color: Red
• Package Dimensions ‏ : ‎ 8.11 x 5.39 x 2.44 inches; 13.4 ounces
• Item model number ‏ : ‎ KZYEE KS30
• Date First Available ‏ : ‎ March 27, 2025
• Manufacturer ‏ : ‎ KZYEE
• Country of Origin ‏ : ‎ China
• Best Sellers Rank: #101,469 in Automotive (See Top 100 in Automotive) #196 in Spark Plug & Ignition Tools
• #196 in Spark Plug & Ignition Tools
• Customer Reviews: 4.7 4.7 out of 5 stars 92 ratings
ADVANTAGES
• Diagnose in Seconds One-Tap Spark Plug Tester: Skip the guesswork. This inline spark plug tester lets you plug in, press once, and instantly check for spark on 12V small engines, cars, and motorcycles. Fast diagnostics without tuning knobs
• Dual-Port Design Compare Two Plugs at Once: Save 50% of your time. Unlike single testers, our dual-port spark tester lets you check and compare two spark plugs side-by-sideideal for spotting weak spark in aging engines
• No Frequency Adjustment Just Plug & Go: Other tools make you adjust RPM knobs. With KS30, theres no need to guess settingsthis spark plug tester and coil tester simulates firing conditions automatically. Always accurate, always easy
• Safety First Designed for DIY & Garage Use: With shock-protected ports, a clear spark shield, and a detachable power cable, this inline spark tester is built for safe use in home garages and repair shops. Powered by 110~120V AC (50/60Hz) for reliable, consistent testing. Durable design, no exposed contacts.
• Wide Compatibility For Most 12V Gas Engines: This small engine spark tester works with most standard spark plugs (longer than 1.34) found in cars, motorcycles, ATVs, and more. Not compatible with mini plugs used in chainsaws or mowers
1.We accepted ALL available payment via eBay.
2.For United Kingdom buyers, VAT already included in the price,no extra fees.  
3.Electronic VAT Receipt available upon request.
4.If item is shipped from outside of UK, VAT/ import tax NOT included in price.
5.If you accidentally placed a wrong order, please contact us to cancel the order.
6.We Accept Return, choose [Doesn'tFit] or [Order by Mistake] when open return to get Free Return.
We will buy return shipping label & issue full refund for the 2 reasons. 
 
If you have any question, please send eBay message to us, we will get back to you as soon as possible within 24 hours.
 
About Return:
 
We understand the diagnostic is complicated, even some mechanics don't know how to use in the beginning.
We provide free tech support. Most of time, we help buyer solve problems. 
 
 
If the tool doesn't fit your cars,
We Accept Return, choose [Doesn'tFit] or [Order by Mistake] when open return to get Free Return.
We will buy return shipping label & issue full refund for the 2 reasons. 
 
Return Address (Important)
Our Return address is different from Shipping address. Return to wrong address won't get refund. 
Please send us eBay message before return. We will provide return address. 
Please DO NOTuse the address on the parcel to return. That address doesn't accept, then no refund.  
So before open return,  please contact us to get RMA, we will buy return shipping label for you at our cost. 
 
If youcontact us before open return, we will provide Free Return Authorization and instructions within 30 days after receipt.Items need to be in original conditions.
1.Fast & Free shipping for UK orders via Royal Mail  with tracking number.
 
2.About Delivery :Orders placed beforeGMT 7 amwill be shipped in same day.
Orders are shipped within1 business day (excluding holiday and weekend). 
 
3.If your package delayed few days, due to any unexpected factors, please contact us ASAP, call local Royal Mail,and we will help you to check. Your kindly understanding and patience would be highly appreciated!
 
About Compatibility:
If you do some research online, you will find it is very complicated about compatibility. Even a lot of mechanics are confused and buy wrong items.  So send us eBay message, let us make it easier for you. 
If you are NOT sure if this tool will works with your car, we can check compatibility for free.
You just need to send message to tell us:
1. Car's info: make, brand, model, made year, VIN number (17 character, not license plate number),and the main function you need
2. What function will you use or what troubles do you want to diagnose?
3. Please send clear picture to show the warning lights on dashboard.
We will check compatible tool for you.
 
My company is Authorized Distributor, officially authorized by brands' owner and headquarter.
All our items are 100% original and with warranty, tech support and updates service.
3 Year free repair for the devices.
 
Warranty automatically recorded once order placed.No need to register for warranty. 
 
Some high level tools do require to register to get authorization before use.  
It is to avoid fake and counterfeit.

Please contact us firstly when you need warranty service.
In case an item arrives damaged or faulty, please contact us ASAP and keep it unused.
We will instruct you on how to return to get refund or replacement.
If the item has been used, we have the right to decline your claim.

Please send eBay message to us before return , we will apply Free Return, buy Return Shipping Label for you.

Who Are We?
We are professional tool provider specialized inAutomotive Aftermarket On-Board Diagnostic & Service Tools:
 
 
For Passenger Cars
from entry level basic Code Reader,
to Professional OBD2 Scanner,
ALL System Car Diagnostic Service Tool ,
Mileage Correction Tool,
Immobilizer Key Match Tool ,Key Maker, Car Locksmith Tool,
ECU Coding Programmer,
 
For HGV Trucks Lorry & Commercial Vehicles & Machinery
 
Heavy Duty Truck Diagnostic Tool
24V OBD2 Diesel Truck & Machinery Diagnostic Tool
Car/Truck/Motorcycle Battery Tester
 
For Motorcycle Motorbike Diagnostic
 

And Other automotive electronics

TPMS Progammer, TPMS Sensors, Battery Tester, Circuit Probe....

We are in the industry for more than 10 years.

We are authorized primary distributor of many leading companies in the industry,including brands:
Launch, Foxwell, Thinkcar, EUCLIA, Autek, ANCEL, Innova, Autophix, Kzyee, Fcar, Nexas...
and more brands will be available in our store in near future.

What Do We Provide?
 
1.High quality original products
2.Safer,up-to-date software,and updates
3.Lifelong Free online tech support
We provide remote online assistance via TeamViewer, if you have any difficulty in software installation.
4.Our corporation is established for the purpose of trustworthiness. Your satisfaction is our priority,we assure you not only get quality products but also good service.

1.If you have any problem about the goods, please contact us before return or leaving Neutral/Negative feedback.We promise to help you solve it asap, and make you feel satisfied absolutely.

2. Our business time:

Customer Service: Monday-Friday:     2:00AM - 12:00PM GMT(London Standard Time)
Shipping Service:  Monday-Saturday: 9:00AM - 16:00PM GMT(London Standard Time) 
If you have any question, please send eBay message, we will get back to you as soon as possible within 24 hours. 

3.Please leave us Positive FeedbackPositive feedback rating and 5-stars ★★★★★ after you received our package you are satisfied with it. as you know, every seller works hard for the positive feedback. We will do the same as soon as we can too.

 

 
4.If you like the item. It is our biggest honor.
If you write a 5-stars ★★★★★Product Review in the listing page, it will help many other car owners to find suitable tools for sure.

On 26-Jun-2026 at 11:00:06 BST, seller added the following information:

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