WARNING:This inline spark plug tester (fits 12V GASOLINE engines) WILL NOT WORK with SHORTER(Under 1.34 inches) spark plugs (like those in mowers, chainsaws). 
 WHY NEED: Is your car struggling with morning starts, sluggish acceleration, rough idling, rising fuel costs, or puffing black smoke? Your spark plugs might be crying for help! These tiny but mighty components are your engine’s heartbeat. Our quick KS30 spark checker tool can spot issues before they become expensive headaches. Keep your ride smooth, efficient, and roaring strong–because greatness lives in the details
SMART TUNE & ZERO HASSLE: Say goodbye to complicated settings—our 1-Tap spark tester automotive uses smart tech to automatically adjust frequencies, delivering instant results with zero hassle-perfect for time-crunched mechanics or DIYers who crave hassle-free accuracy without the learning curve
SAVE 50% TIME & DOUBLE PORT SPEED: The Spark plug tester and coil tester runs two plugs side-by-side, instantly compares performance, slashes downtime by 50%, and pinpoints issues in under 5 seconds. No guesswork, just straight-up performance checks
ZERO SETUP & INSTANT SPARK CHECK: The ignition coil tester is the ultimate plug-and-play tool for DIYers—just connect it to any standard 110V-120V outlet, pop in your spark plug, snap the safety lid, and hit that shiny silver button to instantly diagnose performance with a clear visual spark check. No manuals, no setup, no headaches - it’s stupid-easy garage tech
SAFETY MEETS PRECISION: Dual-Protection Shield for Confident Diagnostics. This transparent safety protective cover isn’t just a barrier against electric shocks - it’s your key to accurate results! Designed with a smart interlock system, the cover ensures spark visibility ONLY when securely closed, forcing safe operation while eliminating guesswork
FIT 99% 12V GASOLINE ENGINES: Never second-guess compatibility again! Our spark plugs tester seamlessly works with ALL 12V gasoline engine - cars, SUVs, pickups, RVs, motorcycles and more. No adapters, no exceptions. This ignition spark tester saves time and money by working flawlessly on any 12V gas engine, period.One tool rules them all
1.We accept all common forms of payment such as Credit cards,Debit card,Google Pay,PayPal ect. payment.

2.Orders will be processed within 1 business day after the payment is cleared.

3.Payment should be made within 3 days after bidding ends, or anunpaid item case will be opened to buyers.

4.Regarding OBD products, please send us the vehicle model or VIN in advance to confirm whether it is supported your car.

5.Warm Tip: Payment before 11:30pm(AEST) will be shipped on the day !
For Australian/New Zealand buyers, most of our items are shipped from our own Sydney warehouse.

1. Shipping terms:AU Post Parcel or AU Post Express.

2. Shipping address supplied by eBay or Paypal is acceptable.

3. After the payment cleared, your order will be sent out within 1 business days shipping(not including holiday and weekend) .

4. Please make sure it is correct and include phone number,post code for delivery.

5. If your package delayed few days, due to any unexpected factor, please wait patiently. your kind understanding would be highly appreciated!
1.We have official authorization for all products,our all items are 100% original and Our devices have warranty.

2.We offer 60-day free return and exchange. If there is any problem with the product you received, please contact us and we will provide a free return label.

3.Unlimited Technical Service is available,Contact us via eBay information.

4. Please do not hesitate to leave us your positive feedback if you are happy with your shopping. if you are unsatisfied with your purchase, please do not leave us negative or neutral feedback before contacting us, we will resolve the trouble for you.
 
5.If you are unsure whether the product is supported, please contact us.
1.We are specialized dealer of On-Board Diagnostic tools and automotive electronics,Possessing multiple excellent brand distribution authorizations.as ANCEL,FOXWELL,QUICKLYNKS,LANUCH,ThINKCAR,KZYEE,FCAR,AUTOPHIX ect.

2.We are eager to be your professional parner of automobile diagnostic tool.

3.We support remote assistance by teamviewer if you have any difficulty in software installation.

4.We have a team of technicians, engineers and sales staff available Monday-Friday 9am-6pm to help with any questions or problems that you may have.

5.We have been in automotive diagnostic for more than 10 years.Wholesaler, retailer and distributor are welcome.
1.Our customer-oriented service strives for positive feedbacks with all 5 star selling ratings.

2.Please feel free to contact us via eBay message once you have any question before you giving us negative feedback or open case.

3.We will reply in 24 business hours.

4.Business time: GMT8 (9:00-18:00) from Monday to Friday.

5.Thank you very much for your cooperation. If you have any questions or needs, you can consult us.

On 23/07/2026 at 17:20:19 AEST, seller added the following information:

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