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Performance Engine Oils
Wynns Formula Gold Diesel System Treatment (76401)

Wynns Formula Gold Diesel System Treatment (76401)


Wynns Formula Gold Diesel Syst - 500ml



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  • Description
  • Benefits
  • Shipping Explained

Wynns Formula Gold Diesel System Treatment (76401)

  • Increases engine performance
  • Reduces fuel consumption
  • Reduces black smoke

Keeping your engine clean and protected is vital in order to maintain the quality of your car. A dirty engine can result in decreased performance, increased noise, become less efficient on petrol and the engine will also produce increased carbon emissions.

However with Formula Gold's High performance diesel system treatment, for diesel engines these problems can be avoided. The system treatment cleans and protects the injection system. It will immediately improve combustion which will; enhance engine performance and improve acceleration. It will also reduce petrol consumption, making your car more affordable and cost effective to drive. The treatment system also reduces black smoke and protects against oxidation and corrosion.

Wynn's has over 70 years' experience manufacturing products for the automotive market. Wynn's offer chemical treatments that restore and maintain optimal operation in vehicle systems. As an alternative to mechanical repairs, many car problems can be resolved or prevented using chemical treatments that are efficient, affordable and easy to use. Wynn's has a very strong brand reputation and high quality recognition with more than 400 products in their range.

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  • Immediately improves combustion, which enhances engine performance and improves acceleration.
  • Reduces fuel consumption.
  • Reduces black smoke.
  • Complete burn-off of soot particles during driving.
  • Cleans and protects diesel injection systems.
  • Protects against oxidation and corrosion.
  • Prevents deposit formation.
  • Harmless for all after treatment systems.


SHIPPING IS FREE* for orders of £75 and over , regardless of the weight of your order.
We've tried to keep all other shipping costs as low as we can.

Carriage starts at just £0.95 (inc VAT) for small items, with our most common courier rate set at £5.99 for orders of 5kg (enough for 5 litres of oil).

  • *Free shipping is available for UK Royal Mail, UPS Access Point™ (click & collect) and standard UK courier services (not express / priority / islands).
  • Courier surcharges mean we are unable to offer free "to the door" courier shipping from us in Cornwall up to Highlands / Grampian in Scotland - and because we send a lot of liquids, not every courier option is available to us. UPS Access Point™ (click & collect) is available as a free shipping option across Scotland, Wales and England, wherever there is a UPS Access Point™ Location.
  • Carriage charges are based on weight - please see our table of carriage costs for full details (although adding an item to your cart and viewing the calculated carriage is often easier!).
  • Priority shipping is also available.

How long will it take to get my order?

We give an estimate of delivery dates as you shop and in your basket. The vast majority of items are held in stock and dispatched from our UK warehouse and we'll do all we can to get your order to you as quickly as possible.

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"Cleans and protects the injection system, improves combustion

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