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Various
Classic valvemaster lead - classic,
£15.75
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Hydra lma petrol additive - additive, &
£8.75
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Stp engine flush 450ml - 3x,
£12.89
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Tec 2000 powerful - x, petrol
£19.99
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Stp petrol injector - 3, x
£11.99
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Stp petrol injector - x,
£8.99
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Classic valvemaster lead - classic,
£16.99
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Redex lead replacement - redex,
£23.99
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Liqui moly petrol - moly, injector
£9.00
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Stp engine flush 450ml for - flush,
£6.79
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Wynns e10 protector fuel - 2x,
£21.15
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Millers oils petrol power - millers,
£19.99
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Stp super power - super, petrol
£7.99
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Wynns petrol injector - petrol, cleaner
£19.49
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Tec 2000 powerful - 2000, petrol
£11.99
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Redex injector cleaner - cleaner, 250ml
£11.45
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Redex lead replacement - redex,
£25.49
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Motorex fuel stabilizer - fuel,
£11.75
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Liqui moly e10 - liqui, fuel
£11.50
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Stp oil treatment 450ml petrol - oil,
£7.99
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Redex lead replacement - 3x,
£16.75
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Redex lead replacement fuel - replacement,
£22.49
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Liqui moly bike fuel - bike,
£16.95
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Millers oils petrol power - petrol,
£34.57
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Stp ultra petrol - stp, 1
£10.99
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Slick engine treatment oil - 50,
£23.53
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Wynns super charge oil - charge,
£11.79
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Liqui moly pro line petrol - liqui, pro-line
£18.18
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Wynns petrol injector cleaner - wynns,
£14.95
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Tec 2000 powerful - powerful, petrol
£26.99
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Hydra pic petrol - pic-24, injector
£110.00
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Redex petrol system cleaner - redex,
£10.30
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Millers oils tank safe petrol - millers,
£19.99
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Wynns lead substitute - lead,
£12.89
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Duckhams classic fuel - x,
£19.95
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Fuel additive 250ml - fuel,
£7.49
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Redex lead replacement - redex,
£15.99
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Stp petrol fuel - stp,
£12.99
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Putoline e10 fuel - putoline,
£12.00
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Redex lead replacement fuel - redex,
£14.45
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Cataclean petrol complete - 2x,
£26.11
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Wynns petrol injector cleaner - petrol,
£7.99
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Stp engine stop - stp, petrol
£12.99
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Genuine bmw petrol fuel - petrol,
£13.50
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Redex lead replacement fuel - lead,
£8.54
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Liqui moly petrol - liqui,
£14.99
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Wynns injector cleaner - 2x,
£16.52
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Classic etha guard plus - classic, etha-guard
£18.99
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Millers oils petrol power - petrol,
£19.45
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Chemitune racing fuel - fuel, max
£23.99
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Liqui moly bike - moly, fuel
£15.99
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Racing madditive octanium - racing,
£23.65
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Wynns xtreme petrol system - xtreme,
£11.53
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Wynns 38911 e10 petrol - e10,
£16.63
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Red line complete petrol - si-1,
£24.99
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Cataclean petrol complete fuel - cataclean,
£16.90
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Stp oil treatment - treatment, 450ml
£16.79
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Slick engine treatment - engine, oil
£19.78
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Redex lead replacement - 6,
£29.34
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250ml redex lead replacement - 250ml,
£7.49
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500ml millers oils - -,
£34.49
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Redex lead replacement - 3,
£16.22
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Redex lead replacement - x,
£29.81
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Stp complete fuel system - complete,
£6.99
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Stp complete fuel system - stp,
£10.89
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Stp power booster petrol - stp,
£9.98
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Stp engine flush 450ml for - stp,
£9.79
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Liqui moly petrol fuel - x,
£25.30
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Silverhook octane booster - 4x,
£22.09
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Diesel bug treatment fuel - bug,
£53.99
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Nitrox clean cat petrol fuel - clean,
£14.99
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Liqui moly petrol fuel system - petrol,
£10.72
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Wynns super charge - 2x,
£19.28
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Liqui moly petrol injection - liqui,
£23.99
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Wynns engine flush - flush, clean
£7.58
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Mannol benzin ester petrol - mannol,
£9.52
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Millers oils petrol power - millers,
£19.95
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Liqui moly bike fuel - moly,
£18.99
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Liqui moly engine - moly, flush
£8.76
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Bmw petrol additive 90ml - bmw, additive,
£7.00
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Wynns lead substitute - 2x,
£22.99
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Stp engine stop - stop, leak
£33.99
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Stp petrol injector - stp, cleaner
£13.09
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Motul fuel stabilizer additive - motul,
£19.99
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Duckhams lead replacement - duckhams,
£13.95
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Metal guard fuel additive - metal,
£15.62
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Metal guard fuel injector - guard,
£17.16
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Stp complete fuel - stp,
£10.23
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Liqui moly octane booster - 6,
£45.99
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Liqui moly octane - liqui, booster
£35.99
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Millers oils petrol power - oils,
£47.51
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Liqui moly petrol fuel - x,
£18.18
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Liqui moly lead substitute - lead,
£13.95
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Redex lead replacement leaded - redex,
£7.71
Buy It Now
Advanced xado diesel - advanced,
£22.00
Buy It Now
Redex petrol system - 2, x
£13.55
Buy It Now
Looking for more petrol additive?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 petrol additive listings currently in our index. Prices range from £6.79 to £110, with an average of £18.5. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about petrol additive →
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Whether you are looking for a brand-new or second-hand petrol additive, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £6.79, while premium listings can reach £110 — giving you a wide budget spread to work with. The average price of £18.5 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.