2x Wynns Formula Gold Powerful Diesel Fuel System Injector Cleaner Treatment 500ml
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.
Wynn's HIGH PERFORMANCE DIESEL SYSTEM TREATMENT is a chemical treatment
composed of detergents and a cerium component that has a triple action:
1. Increases engine performance
2. Reduces fuel consumption
3. Reduces black smoke;
Immediately improves combustion, which will:
Enhance engine performance
Improve acceleration.
Reduces fuel consumption.
Reduces black smoke.
Cleans and protects diesel injection systems.
Protects against oxidation and corrosion.
Lubricates to compensate for low sulphur diesel.
Prevents deposit formation.
Does not harm oxidizing catalysts or soot filters of diesel engines.
Recommended for all diesel engines.
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Directions:
Add every 5000 km/3100 miles.
One bottle of 500 ml treats 70 litres diesel fuel.;