Promotions and monthly special offers by Skinny Tree Limited.
Trusted premium engine additive and aftercare UK stockist. Buy with confidence. Engine AdditivesContactExplore exclusive promotions and special offers from Skinny Tree Limited.
Discover limited-time deals and promotions on a curated selection of engine additives and vehicle aftercare ranges – your gateway to savings awaits. Don’t miss out, shop now!
Multi-buy discount: 10% off when you buy 3 or more of the same.
On our engine additives and aftercare range we promote a multi-buy offer. Buy any 3 products of the same and receive a 10% discount at checkout.
Showing all 14 resultsSorted by popularity
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Sale!
Wynn’s Diesel Turbo & Injector Cleaner Kit
Original price was: £17.99.£14.99Current price is: £14.99. -
Sale!
Wynn’s Airco-Pure 150ml
Original price was: £10.99.£7.99Current price is: £7.99. -
Sale!
Wynn’s Clean-Air 150ml
Original price was: £6.99.£2.99Current price is: £2.99. -
Sale!
Wynn’s Hydroalcoholic Surface Cleaner 500ml
Original price was: £6.99.£4.99Current price is: £4.99. -
Sale!
Wynn’s Professional Oil System Cleaner Engine Flush (Multi-Buy X4)
Original price was: £55.99.£29.99Current price is: £29.99. -
Sale!
Wynn’s Dash Clean & Protect 400ml
Original price was: £7.99.£3.99Current price is: £3.99. -
Sale!
Wynn’s DPF Regeneration, Injector & Engine Flush Kit
Original price was: £22.97.£19.95Current price is: £19.95. -
Sale!
Wynn’s Professional Diesel Extreme Injector Cleaner 500ml (Multi-Buy X4)
Original price was: £67.99.£44.99Current price is: £44.99. -
Sale!
Rain-X Graphene Wheel Cleaner & Tyre Shine Kit
Original price was: £25.98.£24.98Current price is: £24.98. -
Sale!
Wynn’s Total Action Diesel Cleaner Kit
Original price was: £19.98.£15.98Current price is: £15.98. -
Sale!
Wynn’s E10 Protection Cleaning Kit
Original price was: £18.98.£17.08Current price is: £17.08. -
Sale!
Wynn’s Scratch Remover
Original price was: £5.99.£3.99Current price is: £3.99. -
Sale!
Wynn’s Total Action Petrol Cleaner Kit
Original price was: £19.98.£15.98Current price is: £15.98. -
Sale!
Wynn’s Radiator Flush & Stop Leak Cooling Service Kit
Original price was: £16.99.£13.99Current price is: £13.99.