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AUTOOL Spark Plug Tester 3 Holes Diagnostic Tool 12V Gasoline Car Ignition Analyzer

Brand: AUTOOL

AUTOOL SPT301 Spark Plug Tester is a professional automotive repair tool designed with 3 test holes, easy to carry and use. The height of the test holes can be adjusted, and the spark plug end is relatively long can also be used. It can be used to determine whether the spark plugs are working properly or need to be replaced by intuitive LED indicator to show the jumping of the spark plugs, which is an indispensable and practical tool for automotive repair work

  • Three-Hole Design
  • Simulate Engine 
  • Comparative Testing
  • Adjustment Digital 
  • Display Safety Cover

AUTOOL always selects long-lasting and durable product materials, adheres to the production process of excellence, and upholds the spirit of revolution and innovation, committing to creating products with innovative and superior quality for users.

Why Choose AUTOOL?
  • Premium Tough Quality
  • 3 Year Warranty
  • Fast & Secure Delivery
  • 30-Day Free Returns
  • 24/7 Attentive Service
 

Why Choose AUTOOL SPT301 Automotive Spark Plug Tester?

AUTOOL SPT301 Spark Plug Tester is a powerful automotive maintenance tool that combines accurate detection, ease of use, time efficiency, versatility, durability, cost effectiveness and environmental protection. The AUTOOL SPT301 Spark Plug Tester can quickly and accurately diagnose the working condition of spark plugs, helping you to optimise the performance of your car and improve the driving experience, while reducing unnecessary maintenance costs and environmental impact, making it the perfect choice for improving maintenance efficiency and ensuring the reliability of your vehicle.

Simulated RPM Test
This function simulates the operation of the spark plug during engine operation, providing an adjustable simulated RPM. The operating frequency is in the range of 200~9000rpm
Safety cover
Before performing the test, the user can simply close the protective cover to effectively prevent sparks from harming the individual, giving the user more peace of mind during the testing process.
Three-hole design
With the ability to test three spark plugs simultaneously and a test diameter of 12mm, it can be used to test 12V automotive spark plugs and is widely compatible with 99% of crankshaft engine and motorcycle spark plugs on the market.
Digital screen display
The high-definition digital screen provides users with an intuitive way of displaying data, clearly displays analog engine speed, improves control accuracy, and makes it easy for users to read and analyze test results.
Comparative testsing
The 3-hole spark plug tester supports the comparison test function, users can test 3 spark plugs at the same time, i.e. 1 new spark plug and 2 old spark plugs, through the intuitive comparison results, users can quickly determine the difference in the performance of the spark plugs, so that the test results are more direct 
Adjustable Test Hole Height
Fit For BMW, Volkswagen, Audi and other models, the spark plug end is longer can also be used, the scope of application is wider, a device can handle your spark plug test work, efficient and convenient.
Operation Procedure

Step 1:Insert the normal spark plug into the designated hole position & the test spark plugs into the assigned test holes.

Step 2: Prior to testing, ensure the protective cover is securely in place.

Step 3: Connect the power cord and turn on the switch

Step 4: Adjust the simulated RPM and observethe spark plug's performance.

Please Note
1. Before placing the spark plug, please turn off the power (this is the most important, please make sure your safety first)
2. Spark Plug Tester is a high voltage tester, so do not touch the spark plug with your hands while working to avoid danger.

Product Specifications
Input Power:AC 110V ±10%
Output Power:DC12V ±2 1A
Simulated RPM:200-9000RPM
Ambient Temperature:0℃-45℃ 
Relative Humidity:<85%
Product Dimensions:200 × 118 × 118mm
Product Weight:500g
Packing List
1 pcs * AUTOOL SPT301 Spark Plug Tester Main Unit
1 pcs * Power Adapter
1 pc * User's Manual
1 pc * Qualification Certificate
Brand: AUTOOL
Isin: IPC8NTCAA2TD

$79.67

$80.09
1% off
  • Free shipping in US
  • Arrives:

  • Free 30-Day returns

In Stock

Sold by , Fulfilled by IBSPOT
Ships from USA

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AUTOOL Spark Plug Tester 3 Holes Diagnostic Tool 12V Gasoline Car Ignition Analyzer

AUTOOL Spark Plug Tester 3 Holes Diagnostic Tool 12V Gasoline Car Ignition An...

$79.67 $80.09 (1% off)

AUTOOL SPT301 Spark Plug Tester is a professional automotive repair tool designed with 3 test holes, easy to carry and use. The height of the test holes can be adjusted, and the spark plug end is relatively long can also be used. It can be used to determine whether the spark plugs are working properly or need to be replaced by intuitive LED indicator to show the jumping of the spark plugs, which is an indispensable and practical tool for automotive repair work

  • Three-Hole Design
  • Simulate Engine 
  • Comparative Testing
  • Adjustment Digital 
  • Display Safety Cover

AUTOOL always selects long-lasting and durable product materials, adheres to the production process of excellence, and upholds the spirit of revolution and innovation, committing to creating products with innovative and superior quality for users.

Why Choose AUTOOL?
  • Premium Tough Quality
  • 3 Year Warranty
  • Fast & Secure Delivery
  • 30-Day Free Returns
  • 24/7 Attentive Service
 

Why Choose AUTOOL SPT301 Automotive Spark Plug Tester?

AUTOOL SPT301 Spark Plug Tester is a powerful automotive maintenance tool that combines accurate detection, ease of use, time efficiency, versatility, durability, cost effectiveness and environmental protection. The AUTOOL SPT301 Spark Plug Tester can quickly and accurately diagnose the working condition of spark plugs, helping you to optimise the performance of your car and improve the driving experience, while reducing unnecessary maintenance costs and environmental impact, making it the perfect choice for improving maintenance efficiency and ensuring the reliability of your vehicle.

Simulated RPM Test
This function simulates the operation of the spark plug during engine operation, providing an adjustable simulated RPM. The operating frequency is in the range of 200~9000rpm
Safety cover
Before performing the test, the user can simply close the protective cover to effectively prevent sparks from harming the individual, giving the user more peace of mind during the testing process.
Three-hole design
With the ability to test three spark plugs simultaneously and a test diameter of 12mm, it can be used to test 12V automotive spark plugs and is widely compatible with 99% of crankshaft engine and motorcycle spark plugs on the market.
Digital screen display
The high-definition digital screen provides users with an intuitive way of displaying data, clearly displays analog engine speed, improves control accuracy, and makes it easy for users to read and analyze test results.
Comparative testsing
The 3-hole spark plug tester supports the comparison test function, users can test 3 spark plugs at the same time, i.e. 1 new spark plug and 2 old spark plugs, through the intuitive comparison results, users can quickly determine the difference in the performance of the spark plugs, so that the test results are more direct 
Adjustable Test Hole Height
Fit For BMW, Volkswagen, Audi and other models, the spark plug end is longer can also be used, the scope of application is wider, a device can handle your spark plug test work, efficient and convenient.
Operation Procedure

Step 1:Insert the normal spark plug into the designated hole position & the test spark plugs into the assigned test holes.

Step 2: Prior to testing, ensure the protective cover is securely in place.

Step 3: Connect the power cord and turn on the switch

Step 4: Adjust the simulated RPM and observethe spark plug's performance.

Please Note
1. Before placing the spark plug, please turn off the power (this is the most important, please make sure your safety first)
2. Spark Plug Tester is a high voltage tester, so do not touch the spark plug with your hands while working to avoid danger.

Product Specifications
Input Power:AC 110V ±10%
Output Power:DC12V ±2 1A
Simulated RPM:200-9000RPM
Ambient Temperature:0℃-45℃ 
Relative Humidity:<85%
Product Dimensions:200 × 118 × 118mm
Product Weight:500g
Packing List
1 pcs * AUTOOL SPT301 Spark Plug Tester Main Unit
1 pcs * Power Adapter
1 pc * User's Manual
1 pc * Qualification Certificate

Item Specifics

  • Brand: AUTOOL
  • Manufacturer Part Number: SPT301
  • Vehicle Type: Passenger Vehicle
  • Type: Ignition Spark Tester
  • Warranty: 3 Year
  • Volt: 12 Volt
  • Country/Region of Manufacture: China
  • Analog Speed: 200-9000RPM
  • Features1: Spark plug performance test
  • Features 2: Standard comparison test
  • Features 3: Simulate engine operating conditions
  • Features 4: Wide working frequency range
  • Features 5: digital working frequency, more precise adjustment
  • Features 6: With protective cover
  • Features7: Tests three spark plugs at the same time
  • Features8: Support 12V Automotive Spark Plugs
  • Features9: Adjustable test hole height
  • UPC: Does not apply

 

Processing Time

  • We process and ship orders Monday through Friday, excluding holidays.
  • Most orders are processed within 1–3 business days, depending on product availability.
  • Processing time does not include delivery time, which varies based on your location and the product’s shipping origin.

Shipping Coverage

We currently ship to addresses within the United States only.

Products may ship from:

  • Our U.S. warehouses, or
  • Our international fulfillment centers (including Korea, Japan, China, Australia, Mexico, Canada, the United Kingdom, and the EU).

Each product page clearly displays the “Ships From” location before checkout.


Shipping Methods & Estimated Delivery

 

Shipping Method Estimated Delivery Cost
Free Shipping (US) 5–10 business days Free, available on eligible items
Standard Shipping (US to US by Item) 5–10 business days $6.50 for the first item, $2.00 each additional
Standard Shipping (From US Warehouse by Weight) 3–7 business days Starts at $6.50, increasing by $2 for every additional 4 oz (0.25 lb) up to 1 lb, then by $4 for each additional pound beyond 1 lb.
Extended Delivery (Ships from Overseas Warehouse) 10–20 business days $14.50 for the first item, $2.00 each additional

Shipping costs vary by product weight, quantity and origin. Exact rates and delivery estimates are displayed on each product page and confirmed during checkout.

Free Shipping

We offer free standard shipping on select products or during promotional periods. Availability of free shipping will be displayed on the product page and at checkout. 


Carriers

We primarily use USPS and UPS for U.S. deliveries. Items shipped from international warehouses may be handled by partner carriers depending on the country of origin.


Import Duties & Taxes

All import duties and taxes for goods imported into the United States are included in the product price. There are no hidden fees or additional charges at checkout.


Tracking & Notifications

Every order is fully trackable. You will receive a tracking number via email once your order ships. If your order ships in multiple packages, each package will have its own tracking number. If you don’t receive a shipping confirmation immediately, your order is still being processed and will arrive within the estimated timeframe shown at checkout.

You can track your shipment anytime using the Track Your Order page on our website.


Order Changes & Cancellations

If you need to modify or cancel an order, please contact our customer support team as soon as possible. Orders can only be canceled before they ship. Once shipped, cancellations are not possible, but you may request a return after the item is delivered.

Contact: support@ibspot.com


Item Not Received

If your tracking number shows “Delivered” but you haven’t received your package:

  1. Check with your local USPS or UPS office.
  2. Confirm that the shipping address provided was correct.
  3. If the issue remains unresolved, contact support@ibspot.com for assistance.

Damaged or Lost Parcels

If your package arrives damaged or fails to arrive, please contact us immediately. For deliveries to P.O. boxes, ibspot is not responsible for damage caused by weather, temperature, or theft.


Customer Support

For any questions about shipping, tracking, or delivery, our customer support team is here to help.

Email: support@ibspot.com

We’re always happy to help.

Please read our policy carefully before making a purchase.
We aim to ensure every customer has a smooth and transparent experience with ibspot.com.


Order Cancellation Policy

Customers may request to cancel an order before it has been shipped.
Once the package has been shipped, cancellations are no longer possible; however, you may still request a return after receiving your order.

How to Request a Cancellation

You can contact us through:

Please submit your cancellation request as soon as possible after placing the order to allow us to process it before shipment.


Return Policy

We accept returns for most items within 30 days of delivery for a full refund.

To be eligible for a return:

  • The item must be unused, in the same condition as received, and in its original packaging.
  • A tracking number must be provided to confirm the return shipment.

Non-Returnable Items

Certain products cannot be returned, including:

  • Perishable goods (for example, food, flowers, newspapers, magazines)
  • Intimate or sanitary goods
  • Hazardous materials or flammable liquids/gases
  • Gift cards
  • Downloadable software
  • Some health and personal care items

Partial Refunds (If Applicable)

Partial refunds may be granted in specific situations, such as:

  • Books with obvious signs of use
  • Opened CDs, DVDs, software, or vinyl records
  • Items not in their original condition, damaged, or missing parts not due to our error
  • Items returned more than 30 days after delivery

How to Return an Item

To initiate a return, please contact us at support@ibspot.com with your order number and details about the product you wish to return.
Our team will provide you with return instructions and a prepaid return label.


Shipping Cost for Returns

Please contact us before returning any item.
We will provide a free return shipping label.

If a return is sent back without prior contact or without our provided label, we cannot be held responsible for return shipping costs.

For items valued over $75, we recommend using a trackable shipping service or purchasing shipping insurance.
We cannot guarantee that we will receive your returned item if shipped independently.


Refund Processing

Once your return is received and inspected:

  • In-store returns are refunded to the original form of payment or issued as a gift card.
  • Mail-in returns using our prepaid label are refunded to the original payment method within 3–5 business days after we receive your return.

Please allow:

  • 5–7 business days for the return to reach our Returns Center.
  • An additional 3–10 business days for your bank to post the refund to your account.

Damages, Issues & Claims

Please inspect your order immediately upon receipt.
If you receive a defective, damaged, or incorrect item, contact us right away at support@ibspot.com.
We’ll evaluate the issue promptly and make it right.

Product Claims

Before purchasing, please review product details carefully.
If there is a problem with your order upon arrival, visit our Support Center or contact us directly to arrange return shipping or replacement.


Exchanges

We do not process direct exchanges.
The fastest way to get what you need is to return the original item and place a new order once your return is accepted.


Return Address

IBSPOT Return Center
15 Sawmill Ln
Dover Plains, NY 12522
United States


Customer Support

Our support team is available 24/7 to assist with cancellations, returns, or general inquiries.

Email: support@ibspot.com
Contact Form: Contact Us page

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