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Engine Additives
Aftercare
Blog
About
- Brands
  - Permatex
  - Rain-X
  - SLICK50
  - Wynn’s
- Contact
- FAQs
- Promotions
- Research
- Sign Up
- Sustainability
- Why choose us?
Free UK Delivery
Checkout

Home / Wynn's

Wynn's

Showing all 70 resultsSorted by price: high to low

Wynn’s Commercial Vehicle DPF Regenerator & NOx Sensor Protector 1000ml
£39.99
Wynn’s Diesel Power 7 1000ml
£37.99
Wynn’s Petrol Power 7 1000ml
£37.99
Wynn’s Commercial Vehicle Emission Reducer 1000ml
£26.99
Wynn’s Fuel Biocide 250ml (Twin Pack)
£24.98
Wynn’s Commercial Vehicle Cooling System Treatment & Stop Leak 1000ml
£21.99
Wynn’s Commercial Vehicle Super Charge Oil Treatment 1000ml
£21.99
Wynn’s Commercial Vehicle Ice Proof For Diesel 1000ml
£21.99
Wynn’s Commercial Vehicle Injector Cleaner & Fuel Filter Primer 1000ml
£21.99
Wynn’s Direct Injection Valve Cleaner 500ml
£20.95
Sale!
Wynn’s DPF Regeneration, Injector & Engine Flush Kit
Original price was: £22.97.Current price is: £20.67.
Wynn’s Diesel EGR Cleaner 150ml (Twin Pack)
£19.98
Wynn’s Commercial Vehicle Cooling System Flush 1000ml
£18.99
Wynn’s Brake & Clutch Cleaner 500ml (Twin Pack)
£17.98
Sale!
Wynn’s Total Action Diesel Cleaner Kit
Original price was: £19.98.Current price is: £17.98.
Sale!
Wynn’s Total Action Petrol Cleaner Kit
Original price was: £19.98.Current price is: £17.98.
Sale!
Wynn’s E10 Protection Cleaning Kit
Original price was: £18.98.Current price is: £17.08.
Wynn’s Commercial Vehicle Oil System Flush 1000ml
£16.99
Wynn’s Engine Stop Leak 325ml (Twin Pack)
£16.98
Wynn’s Stop Smoke 325ml (Twin Pack)
£16.98
Sale!
Wynn’s Diesel Turbo & Injector Cleaner Kit
Original price was: £17.99.Current price is: £15.99.
Wynn’s Radiator Flush 325ml (Twin Pack)
£15.98
Wynn’s Commercial Crystal Clean & Protect 500ml
£14.99
Wynn’s Automatic Transmission & Power Steering Stop Leak & Conditioner 325ml
£14.99
Wynn’s HPLS Transmission Treatment (+ Stop Leak Properties)
£14.99
Wynn’s Radiator Stop Leak 325ml (Twin Pack)
£14.98
Wynn’s GDI Efficiency Restorer 500ml
£14.95
Sale!
Wynn’s Radiator Flush & Stop Leak Cooling Service Kit
Original price was: £16.99.Current price is: £13.99.
Wynn’s Formula Gold High Performance Diesel System Treatment 500ml
£13.99
Wynn’s Formula Gold High Performance Engine Treatment 500ml
£13.99
Wynn’s Formula Gold High Performance Petrol System Treatment 500ml
£13.99
Wynn’s Specialist E10 Protector 250ml
£13.99
Wynn’s Noise & Vibration Reducer 325ml
£12.99
Wynn’s Pre-emission Test Treatment For Petrol Engines 325ml
£12.99
Wynn’s Dry Fuel Petrol & Diesel 325ml
£12.99
Wynn’s Power Steering Stop Leak
£12.99
Wynn’s Pre-emission Test Treatment for Diesel Engines 325ml
£12.99
Wynn’s Diesel Xtreme System Clean 375ml
£11.99
Wynn’s Total Action Petrol Cleaner 325ml
£11.99
Wynn’s Substi-Plomb Lead Substitute With Fuel Stabiliser 250ml
£11.99
Wynn’s Total Action Diesel Cleaner 325ml
£11.99
Wynn’s Diesel Turbo Cleaner 325ml
£11.99
Wynn’s Fuel Biocide 250ml
£10.99
Wynn’s Hydraulic Valve Lifter Treatment 325ml
£10.99
Wynn’s Petrol EGR Cleaner 150ml
£9.99
Wynn’s Xtreme Petrol System Clean 325ml
£9.99
Wynn’s Catalytic Converter & Lambda Cleaner 325ml
£9.99
Wynn’s Xtreme Diesel Emission Reducer (Clean Burn) 325ml
£9.99
Wynn’s Diesel Particulate Filter Cleaner 325ml
£9.99
Wynn’s Diesel EGR Cleaner 150ml
£9.99
Wynn’s Crystal Clean & Protect 125ml
£8.99
Wynn’s Xtreme Petrol Emission Reducer (Clean Burn) 325ml
£8.99
Wynn’s Air Intake & Carburettor Cleaner 500ml
£8.99
Wynn’s Injector Cleaner For Petrol Engines 325ml
£8.99
Wynn’s Diesel Injector Cleaner 325ml
£8.99
Wynn’s Brake & Clutch Cleaner 500ml
£8.99
Wynn’s Engine Stop Leak 325ml
£8.99
Wynn’s Super Charge 425ml
£8.99
Wynn’s Radiator Stop Leak 325ml
£8.49
Wynn’s Start-Stop Engine Protector 325ml
£7.99
Wynn’s Super Charge 330ml
£7.99
Wynn’s Stop Smoke 325ml
£7.99
Wynn’s Radiator Flush 325ml
£7.99
Sale!
Wynn’s Airco-Pure 150ml
Original price was: £10.99.Current price is: £7.99.
Wynn’s Engine Flush 425ml
£6.99
Wynn’s Glass Cleaner 500ml
£6.99
Sale!
Wynn’s Hydroalcoholic Surface Cleaner 500ml
Original price was: £6.99.Current price is: £4.99.
Sale!
Wynn’s Scratch Remover
Original price was: £5.99.Current price is: £3.99.
Sale!
Wynn’s Dash Clean & Protect 400ml
Original price was: £7.99.Current price is: £3.99.
Sale!
Wynn’s Clean-Air 150ml
Original price was: £6.99.Current price is: £2.99.

Wynn's Fuel Biocide Treatment

Apr 21 2025

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Apr 20 2025

Why should i use Wynns GD Efficiency restorer

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Apr 20 2025

Which vehicles engines should you use Wynn’s GDI Efficiency restorer on

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Wynn's Fuel Biocide Treatment

Jan 13 2025

The diesel bug: what it is and how to combat it with Wynn’s additives

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Nov 17 2024

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Nov 10 2024

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Wynn's Petrol Power 7 & Diesel Power 7 Additives

Aug 22 2024

The Power of Wynn’s Diesel Power 7: unlocking optimal engine performance

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Mar 13 2024

The importance of keeping your diesel fuel tank more than 25% full for DPF efficiency

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American Classic Car

Feb 10 2024

Looking for UK motor shows, event or exhibition to go to in 2024?

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Leaping Cat Bonnet Mascot

Feb 10 2024

Top UK classic car insurance companies for 2024

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Important Information.

It’s important to select the appropriate engine additive treatment for the type of vehicle and the specific issue you’re trying to address. Always follow the manufacturer’s recommendations and guidelines for using engine additive treatment, and consider seeking professional advice when in doubt. Contact Skinny Tree Limited for further help.

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Skinny Tree Limited take great pride in offering problem solving engine additives and premium aftercare treatment.

We understand the unique needs of every customer. Whether you’re a car enthusiast or not we have engine additives which are an alternative to mechanical repairs.

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