2x Wynns Supercharge Oil Treatment Additive for Petrol & Diesel Engines 425ml
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 Super Charge Oil Treatment for Petrol or Diesel Engines 425ml (Pack Of 2)
Wynn's Super Charge Oil Treatment for Petrol or Diesel Engines is a specially made formula that is suitable for both petrol and diesel engines. It stops excessive oil consumption and helps to restore engine compression and increase oil pressure. Simply pour contents into engine oil, while engine is at operating temperature.
Technical information:
Wynn's Super Charge Oil Treatment for Petrol or Diesel Engines is compatible with all mineral and synthetic, single- and multi-grade oils and doesn't harm catalytic converters.
- Stops excessive oil consumption
- Strengthens the oil film, especially at high temperatures
- Restores engine compression
- Increases the oil pressure
- Quietens noisy engine and reduces exhaust smoke
- Provides a perfect lubrication of heavily loaded engines (e.g. when towing a caravan, in the mountains, on the motorway, at high temperatures, etc.)
- Improves engine performance
- Is compatible with all mineral and synthetic, single- and multi-grade oils
- Does not harm catalytic converters
425ml can treats from 3.5 - 6L of engine oil