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Mercury outboard 20hp

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Home / Marine Parts / Mercury outboard 20hp for sale – 95 used, around £36 | For Sale UK
Mercury mariner hp - 20, 25

Mercury mariner hp - 20, 25

£159.99
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Outboard engine cover - engine,

Outboard engine cover - engine,

£32.95
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Mercury mariner tohatsu - mercury, mariner tohatsu

Mercury mariner tohatsu - mercury, mariner tohatsu

£5.98
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Annual service maintenance - service,

Annual service maintenance - service,

£116.99
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Starter solenoid mercury - starter,

Starter solenoid mercury - starter,

£19.95
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Mercury outboard thermostat - thermostat, &

Mercury outboard thermostat - thermostat, &

£18.75
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Mercury mariner hp - mercury,

Mercury mariner hp - mercury,

£99.99
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Mercury mariner efi m - mercury,

Mercury mariner efi m - mercury,

£2535.00
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Fuel pump diaphragm repair - fuel,

Fuel pump diaphragm repair - fuel,

£14.69
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Service maintenance kit - maintenance,

Service maintenance kit - maintenance,

£71.28
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Mercury mariner 9hp 15hp - mercury, 9.9hp

Mercury mariner 9hp 15hp - mercury, 9.9hp

£22.49
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Water pump impeller 15hp - impeller, 20hp

Water pump impeller 15hp - impeller, 20hp

£12.99
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Stainless steel propeller for - stainless,

Stainless steel propeller for - stainless,

£167.99
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Annual service maintenance - maintenance, kit

Annual service maintenance - maintenance, kit

£116.99
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Outboard starter motor for - outboard,

Outboard starter motor for - outboard,

£80.71
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Carburettor choke pump - choke,

Carburettor choke pump - choke,

£64.95
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Water pump impeller 20 - impeller, hp

Water pump impeller 20 - impeller, hp

£24.68
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Mercury/Mariner

Mercury/Mariner

£7.99
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Service kit mercury mariner - service,

Service kit mercury mariner - service,

£93.44
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Mercury mariner tohatsu - mercury, mariner tohatsu

Mercury mariner tohatsu - mercury, mariner tohatsu

£7.50
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Genuine inline fuel - inline, filter

Genuine inline fuel - inline, filter

£9.96
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Mercury mariner hp - mariner,

Mercury mariner hp - mariner,

£159.99
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Ignition coil leads - ignition,

Ignition coil leads - ignition,

£94.95
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Flushing adaptor 15hp - flushing,

Flushing adaptor 15hp - flushing,

£11.26
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Thermostat kit for - for, 8hp

Thermostat kit for - for, 8hp

£34.95
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Mercury outboard service kit - service,

Mercury outboard service kit - service,

£99.80
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Mercury 20hp outboard tiller - outboard,

Mercury 20hp outboard tiller - outboard,

£80.00
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Genuine carburettor gasket kit - genuine,

Genuine carburettor gasket kit - genuine,

£74.95
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Carburettor diaphragm service - carburettor,

Carburettor diaphragm service - carburettor,

£44.95
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Outboard propeller 25x10 for - outboard, 9.25x10

Outboard propeller 25x10 for - outboard, 9.25x10

£62.98
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Outboard transom bracket - outboard,

Outboard transom bracket - outboard,

£88.31
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Starter motor fits - motor, &

Starter motor fits - motor, &

£139.99
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Starter motor mercury - motor, mariner

Starter motor mercury - motor, mariner

£136.00
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Trim tab anode for - anode,

Trim tab anode for - anode,

£14.69
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Thermostat gasket kit - thermostat, for

Thermostat gasket kit - thermostat, for

£30.95
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Carburettor repair kit - carburettor, ~

Carburettor repair kit - carburettor, ~

£129.95
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Mercury mariner 8hp 20hp - mercury/mariner,

Mercury mariner 8hp 20hp - mercury/mariner,

£31.44
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Mercury mariner 20hp - mercury,

Mercury mariner 20hp - mercury,

£104.70
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Carburetor 8m0109535 for - carburetor,

Carburetor 8m0109535 for - carburetor,

£75.98
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Carburettor gasket kit 5hp - kit, 7.5hp

Carburettor gasket kit 5hp - kit, 7.5hp

£44.95
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Water pump impeller 20hp - pump,

Water pump impeller 20hp - pump,

£12.99
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Engine oil change service - engine, kit

Engine oil change service - engine, kit

£22.98
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Propeller mercury outboard - 11',

Propeller mercury outboard - 11',

£56.69
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Genuine mercury mariner 18hp - mariner,

Genuine mercury mariner 18hp - mariner,

£81.90
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Impeller mercury mariner - impeller,

Impeller mercury mariner - impeller,

£10.49
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Carburettor float mercury - carburettor,

Carburettor float mercury - carburettor,

£37.95
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Genuine new - genuine,

Genuine new - genuine,

£11.52
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Impeller gasket for - impeller, &

Impeller gasket for - impeller, &

£13.20
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Mercury mariner outboard - outboard,

Mercury mariner outboard - outboard,

£139.99
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Water pump impeller - pump,

Water pump impeller - pump,

£28.79
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300hr service parts - parts, 15hp

300hr service parts - parts, 15hp

£197.95
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Mercury mariner 20hp - mariner, oil

Mercury mariner 20hp - mariner, oil

£36.09
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Mercury mariner hp - mariner,

Mercury mariner hp - mariner,

£139.99
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Mercury outboard engine - mercury, choke

Mercury outboard engine - mercury, choke

£12.99
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Rectifier for mercury - rectifier,

Rectifier for mercury - rectifier,

£28.77
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Efi 4 stroke - 15,

Efi 4 stroke - 15,

£51.44
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Annual service parts - annual,

Annual service parts - annual,

£95.99
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Mercury mariner 4hp 5hp 6hp - 5hp,

Mercury mariner 4hp 5hp 6hp - 5hp,

£11.75
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Long shaft gearbox mercury - shaft,

Long shaft gearbox mercury - shaft,

£449.10
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Genuine plunger 15hp 20hp - genuine,

Genuine plunger 15hp 20hp - genuine,

£26.95
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Mercury mariner 20hp outboard - mercury,

Mercury mariner 20hp outboard - mercury,

£120.00
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Ngk dcpr6e outboard spark - 2x,

Ngk dcpr6e outboard spark - 2x,

£17.95
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Impeller for mercury - impeller,

Impeller for mercury - impeller,

£15.74
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Mercury 20hp outboard - xd,

Mercury 20hp outboard - xd,

£41.75
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Carb priming start pump for - priming,

Carb priming start pump for - priming,

£39.99
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Zinc trim tab anode - anode, mercury

Zinc trim tab anode - anode, mercury

£14.69
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Carburettor intake manifold - intake,

Carburettor intake manifold - intake,

£11.99
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Service kit for 18hp - for, 25hp

Service kit for 18hp - for, 25hp

£81.99
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Carburettor plunger 15hp 20hp - 15hp,

Carburettor plunger 15hp 20hp - 15hp,

£32.96
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Stator assembly 20hp 25hp - 20hp, 2

Stator assembly 20hp 25hp - 20hp, 2

£80.99
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Water pump wear - water, plate

Water pump wear - water, plate

£11.99
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Mercury 18hp 20hp 25hp - mercury,

Mercury 18hp 20hp 25hp - mercury,

£37.50
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Annual service kit 20hp - annual,

Annual service kit 20hp - annual,

£116.99
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Aluminium trim tab anode 20hp - anode,

Aluminium trim tab anode 20hp - anode,

£15.95
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Water pump lower - housing, 15hp

Water pump lower - housing, 15hp

£28.76
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Service parts kit inc - service,

Service parts kit inc - service,

£74.95
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Tohatsu intake manifold gasket - tohatsu,

Tohatsu intake manifold gasket - tohatsu,

£9.90
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Genuine new - genuine,

Genuine new - genuine,

£10.80
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Mercury outboard decals 1972 - outboard,

Mercury outboard decals 1972 - outboard,

£55.72
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Oil sump drain screw - drain, bolt

Oil sump drain screw - drain, bolt

£15.00
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Mercury outboard engine - mercury,

Mercury outboard engine - mercury,

£9.75
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Impeller gasket plate 15hp - &,

Impeller gasket plate 15hp - &,

£22.95
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Genuine water pump - o.e,

Genuine water pump - o.e,

£31.45
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Carburetor 8m0109535 for - carburetor,

Carburetor 8m0109535 for - carburetor,

£75.98
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Mercury mariner 15hp 20hp efi - mercury,

Mercury mariner 15hp 20hp efi - mercury,

£26.89
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Mercury mariner 20hp 25hp - mercury, 2

Mercury mariner 20hp 25hp - mercury, 2

£29.95
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Impeller kit 8hp 20hp 25hp - 20hp,

Impeller kit 8hp 20hp 25hp - 20hp,

£15.99
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Annual service kit 15hp 20hp - kit,

Annual service kit 15hp 20hp - kit,

£125.99
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Mercury 200 20hp outboard - 20hp,

Mercury 200 20hp outboard - 20hp,

£5.45
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15hp 20hp mercury mariner - 15hp,

15hp 20hp mercury mariner - 15hp,

£64.99
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Mercury mariner 9hp 15hp - 9.9hp,

Mercury mariner 9hp 15hp - 9.9hp,

£17.90
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Genuine new - genuine,

Genuine new - genuine,

£7.56
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Mercury 5hp 8hp 20hp - 7.5hp, 9.8hp

Mercury 5hp 8hp 20hp - 7.5hp, 9.8hp

£4.50
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Stroke outboard starter for - starter,

Stroke outboard starter for - starter,

£73.99
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Carburetor for mercury - carburetor,

Carburetor for mercury - carburetor,

£84.99
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📊95 listings · from £4.5 · avg £84.71

Browse 95 mercury outboard 20hp listings currently in our index. Prices range from £4.5 to £2535, with an average of £84.71. 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 mercury outboard 20hp →

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Everything you need to know about mercury outboard 20hp

Whether you are looking for a brand-new or second-hand mercury outboard 20hp, eBay offers one of the largest selections available online. With 95 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 £4.5, while premium listings can reach £2535 — giving you a wide budget spread to work with. The average price of £84.71 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.

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