Gunson Colortune / Hi-Gauge Adaptor Kit 10-18mm
14-day returns on all eligible orders
Contact us within 14 days of receiving your order to request a return.
Shipping information
Orders are picked, packed and dispatched from our Northampton warehouse.
- Free delivery to mainland UK addresses on orders of £40 or more.
- Orders under £40, and orders to Northern Ireland, have a delivery charge, shown at checkout before you pay.
- You will get an email with your tracking number once your order has shipped.
Full details are in our Shipping Policy.
Returns & warranty
Changed your mind? You can return an online order within 14 days of receiving it. Please contact us first for return instructions, then you have 14 days to send the goods back.
- Items must be unused, complete and in their original condition, with all accessories, instructions and original packaging.
- You arrange and pay for the return postage on change-of-mind returns. We refund the price of the item plus our standard delivery charge.
- Damaged in transit? Let us know within 48 hours of delivery - photos help.
- Faulty or wrong item? Contact us before sending anything back. Faulty goods are covered by your statutory rights.
Your statutory rights are not affected. Full details are in our Refund Policy, or email onlinesales@nn4online.co.uk.
A 14mm to 10mm thread adaptor that converts the standard connectors supplied with the Gunson Colortune and Hi-Gauge compression testers to fit the smaller spark plug sockets commonly found in classic motorcycles and two-stroke engines. The set includes a soft copper washer to ensure a reliable seal.
Features
- Thread adaptor for the Gunson Hi-Gauge Compression Tester, Part No. G4101 & Gunson Colortune, Part No. G4074.
- Thread size: 14mm to 10mm.
- Suitable for most modern & classic cars.
- Kit contains: 14mm to 10mm thread adaptor & gas seal washer.
- Other adaptors available, Part Nos. G4055B (12mm), G4055C (14mm tapered seat), G4055D (14mm long reach) & G4055E (18mm).
Available in 3 length options from 10 to 18 — use the selector above to pick the exact one for the job.
Available lengths
| Length | EAN |
|---|---|
| 10 | 5018341740566 |
| 12 | 5018341740559 |
| 18 | 5018341740603 |
Use the length selector at the top of this page to choose your option. Each option is dispatched as a separate stocked item.
Specifications
| Brand | Gunson |
| EAN | 5018341740566 |
| Type | Colortune |
| Item Weight | 0.034 kg |
| Custom Bundle | No |
| Item Width | 140mm |
| Item Height | 22mm |
| Item Depth | 210mm |
| Country/Region of Manufacture | Great Britain |
| Customs Tariff Number | 73181900 |
| Sub-Type | GENG |
| Length | 18mm |
| Manufacturer Part Number (MPN) | GPL |