LUTIFIX 5-Holes Spark Plug Tester — Adjustable RPM 200–9999 rpm, Digital Display, Protective Cover
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Description
xOverview
Meet the LUTIFIX 5-Holes Spark Plug Tester, a compact, rugged tool built for automotive and motorcycle diagnostic workflows. Instead of testing one plug at a time, you can compare the ignition strength of up to five plugs side by side, using a fresh reference plug as a baseline. The result is a clearer, more actionable view of ignition performance that supports timely replacements and smoother engine operation without guesswork.
Designed with real-world use in mind, this tester blends safety, clarity, and efficiency. It pairs a tactile, knob-driven copper-ring height adjustment with a crisp digital display, offering immediate feedback while you work. The five parallel test holes enable quick swaps and rapid parallel comparisons, helping technicians move from diagnosis to decision faster.
Key features at a glance
- Five-plug simultaneous testing to speed up diagnostics and planning
- Adjustable test hole via a copper-ring knob to fit different spark plug heights
- Frequency range from 200 to 9000 rpm/min to simulate varied engine speeds
- Clear digital display paired with an ABS protective shell for safe, precise operation
- Plug-and-play setup: insert a reference plug, place the tested plug, power up, and observe
- Broad compatibility with 12V gasoline, diesel engines, and motorcycle/truck spark plugs
How it adapts to different plugs
The adjustable test hole uses a copper-ring mechanism that lets you tailor socket height, expanding compatibility across typical 12V spark plugs. When you pair a reference plug with the tested ones, you can observe comparative spark intensity to identify potential ignition issues.
Simulating real-world engine conditions
Varying the working frequency from 200 to 9000 rpm/min mirrors different engine speeds, helping you assess ignition performance under realistic load. Higher frequencies often reveal stronger spark intensity, making it easier to spot gaps between new and aging plugs.
Safety, clarity, and ease of use
The digital readout provides real-time speed feedback, while the protective cover guards hands during testing. Setup is straightforward: insert a reference plug, place the tested plug, connect power, and adjust the frequency while watching the sparks on the screen.
What you gain
- Simultaneous five-plug testing to streamline diagnostics
- Height-adjustable test holes for broad plug compatibility
- Real-time rpm readouts to compare performance across speeds
- Safe operation with a protective shell and clear spark visibility
- Easy, quick setup with a plug-and-play workflow
- Wide 12V vehicle and motorcycle compatibility
Note: This tool provides comparative insights based on spark observations and is intended to support maintenance decisions, not guarantee outcomes.
FAQ
Q: What is the LUTIFIX 5-Holes Spark Plug Tester designed to do?
A: It runs five plugs at once to compare ignition strength, helping you spot weak plugs and time replacements.
Q: Can this tester work with different vehicles and plug heights?
A: Yes, it supports most 12V gasoline and diesel plugs, with an adjustable copper-ring hole to fit various heights.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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