Name: DUOYI DY28 Car Double Hole Spark Plug Tester, US Plug, DUOYI US Plug
Brand: Mira Sales
SKU: CRP5030
Price: 12.99 GBP
Availability: InStock

DUOYI DY28 Car Double Hole Spark Plug Tester, US Plug, DUOYI US Plug

Share
- WhatsApp
- Deel
- X
- Pin it
- Messenger
- Email

DUOYI DY28 Car Double Hole Spark Plug Tester, US Plug, DUOYI US Plug

Share
- WhatsApp
- Deel
- X
- Pin it
- Messenger
- Email

Product form

1. It has two testing holes, you can test two spark plugs meanwhile and and if you suspect any spark... Read more

Expedited Delivery Available! Expedited Delivery Available!

£ 12.99 GBP

Guaranteed secure & safe checkout.

Unbiased Recommendation by Judge.Me | Check Our 100% Verified Reviews. (Read before ordering) Where trust drives commerce All Reviews are 100% Verified and independently Managed by Judge.me for Authenticity.

Shipped today? Order within: Jul 06, 2026 14:00:00 +0100

We take great care in ensuring that all our products meet quality standards and are packaged securely for safe delivery.

No hassle returns, 30 days return

Description

1. It has two testing holes, you can test two spark plugs meanwhile and and if you suspect any spark plug works improperly you could compare and test to make accurate judgment.
2. Adjustable double hole car spark plug tester detector Ignition Plug Analyzer Diagnostic Tool
3. Usage: Test spark plug performance and ignition strength
4. Application Range: 12V Gasoline vehicles car spark plugs
5. Car Spark Plug Tester User Manual:
(1). Place the Spark Plug into tester hole 1 or 2; If you want to compare the new spark plug and old one, place new spark plug into hole 1 and the old on into hole 2
(2).Close up the protective cover , then plug in the adaptor to the side socket , connect the tester to power supply.
(3).Turn the key switch clockwise to turn on tester, indicator will light up green.
(4). Continue to turn the switch clockwise, you can adjust the working frequency between 1000rpm to 6000rpm/min, The higher the frequency is set, the stronger the spark more.

Specification:

Package Weight

One Package Weight

0.48kgs / 1.05lb

One Package Size

15cm * 12cm * 10cm / 5.91inch * 4.72inch * 3.94inch

Qty per Carton

40

Carton Weight

17.30kgs / 38.14lb

Carton Size

48cm * 42cm * 38cm / 18.9inch * 16.54inch * 14.96inch

Loading Container

20GP: 348 cartons * 40 pcs = 13920 pcs
40HQ: 808 cartons * 40 pcs = 32320 pcs

Specifications

Product Assurance: Quality Standards

Pros and cons

Sustainably produced
Ideal for everyday use

Returns & Delivery

When will my order be delivered?

At Great Deal Offers, we provide accurate delivery estimates based on your address and the chosen carrier. To view your expected delivery date, please add the product to your cart—your exact options will appear instantly.

How are delivery times calculated?

We work with multiple trusted carriers. Royal Mail, Evri, DPD. Delivery estimates are based on:

Your shipping address
Carrier availability in your region
The shipping service you select (standard, express, priority, etc.)

Processing time, usually 1–2 business days

Our system automatically shows you the best estimated arrival date before checkout.

Do you offer tracking?

Yes. Every order includes a tracking number once it is dispatched. You’ll receive it automatically via email or SMS (if provided). Tracking updates allow you to see each step of your order’s journey.

Can I return my product?

Yes, you can return your product. At Great Deal, we want you to feel confident and satisfied with your purchase. If an item arrives damaged, faulty, or not as described, we will happily offer a replacement or refund. Contact our support team via info@greatdealoffers.co.uk

To speed up resolutions, we kindly request that you provide photo or video evidence of the issue.

What can I do if my item (or part of it) is damaged?

At Great Deal, we want every order to arrive in perfect condition. If your item—or any part of it—arrives damaged, we will resolve the issue quickly and fairly.

Eligibility for Returns

You may request a return if:

The product arrives damaged, defective, or not working
You receive the wrong item
The item is not as described on our website

To process your return quickly, we may ask for a photo or video showing the issue.

Do I Need to Return the Item?

In most cases, you will not need to return the damaged item, especially when photo/video proof is sufficient.

If a return is required, Great Deal will provide clear instructions and, when applicable, a prepaid return label.

We’re Here to Help

Our goal is to resolve all damage-related issues quickly, fairly, and with minimal inconvenience to you.

You may contact us anytime at: info@greatdealoffers.co.uk

(Read before Ordering) Where trust drives commerce

We believe in honesty over marketing.
Some products may not have customer reviews yet, but the reviews you do see are 100% authentic, verified, and managed by Judge.me, an independent review partner trusted worldwide.

Instead of posting fake reviews, we prefer to show only what is real — even if that means some products are still waiting for their first review.

Unbiased recommendation Powered by Judge.me reviews

Unbiased recommendation Powered by millions of Judge.me reviews