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Mercury outboard 20hp

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Mercury mariner oil filter - mariner,

Mercury mariner oil filter - mariner,

£11.75
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Mercury outboard service kit - mercury,

Mercury outboard service kit - mercury,

£99.80
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Mercury stainless steel - mercury,

Mercury stainless steel - mercury,

£64.95
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Outboard engine cover - outboard,

Outboard engine cover - outboard,

£32.95
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Stainless steel propeller for - stainless,

Stainless steel propeller for - stainless,

£103.66
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Mercury mariner efi m hp - mercury,

Mercury mariner efi m hp - mercury,

£2622.00
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Cdi unit for mercury - mercury, mariner

Cdi unit for mercury - mercury, mariner

£52.49
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Service kit mercury mariner - service,

Service kit mercury mariner - service,

£93.44
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Mercury efi outboard - efi, 20

Mercury efi outboard - efi, 20

£2599.00
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Mercury 20hp outboard tiller - outboard,

Mercury 20hp outboard tiller - outboard,

£80.00
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Mercury mariner 8hp - 8hp,

Mercury mariner 8hp - 8hp,

£31.70
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Starter solenoid mercury - solenoid,

Starter solenoid mercury - solenoid,

£18.35
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Mercury mariner tohatsu - mercury, mariner tohatsu

Mercury mariner tohatsu - mercury, mariner tohatsu

£7.58
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Mercury outboard 300 - mercury,

Mercury outboard 300 - mercury,

£231.00
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Genuine mercury mariner - genuine,

Genuine mercury mariner - genuine,

£12.95
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Outboard transom bracket - outboard, clamp

Outboard transom bracket - outboard, clamp

£90.23
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Mercury mariner fuel - mercury,

Mercury mariner fuel - mercury,

£9.95
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Propeller mercury outboard - propeller,

Propeller mercury outboard - propeller,

£56.69
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Mercury outboard thermostat - mercury,

Mercury outboard thermostat - mercury,

£18.75
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Genuine carburettor gasket kit - carburettor,

Genuine carburettor gasket kit - carburettor,

£68.95
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Water pump impeller 15hp 20hp - pump,

Water pump impeller 15hp 20hp - pump,

£11.95
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Genuine new - genuine,

Genuine new - genuine,

£12.80
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Mercury mariner outboard - mariner, 15

Mercury mariner outboard - mariner, 15

£139.99
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Carburettor repair kit - carburettor,

Carburettor repair kit - carburettor,

£119.55
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Stainless steel propeller - steel, for

Stainless steel propeller - steel, for

£167.99
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Efi 4 stroke - 20, hp

Efi 4 stroke - 20, hp

£51.44
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Mercury mariner 20hp outboard - mariner,

Mercury mariner 20hp outboard - mariner,

£120.00
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Mercury mariner tohatsu - mercury, mariner tohatsu

Mercury mariner tohatsu - mercury, mariner tohatsu

£7.50
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Mercury mariner 20hp oil - mariner,

Mercury mariner 20hp oil - mariner,

£36.09
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Outboard propeller 25x10 - propeller, for

Outboard propeller 25x10 - propeller, for

£62.98
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Mercury two stroke - 20,

Mercury two stroke - 20,

£51.24
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Mercury mariner 20hp - 20hp, oil

Mercury mariner 20hp - 20hp, oil

£36.09
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Carburettor float mercury - carburettor,

Carburettor float mercury - carburettor,

£34.91
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Fuel filter for - filter, mercury

Fuel filter for - filter, mercury

£5.87
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Impeller for mercury - impeller,

Impeller for mercury - impeller,

£15.74
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Thermostat kit for 6hp 8hp - thermostat,

Thermostat kit for 6hp 8hp - thermostat,

£32.15
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Mercury mariner 4hp 5hp 6hp - 4hp,

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

£11.75
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Trim tab anode for - tab, al

Trim tab anode for - tab, al

£14.69
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Mercury mariner oem cable - mercury,

Mercury mariner oem cable - mercury,

£34.95
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Mercury mariner outboard - mercury,

Mercury mariner outboard - mercury,

£59.95
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Tiller arm handle cables - tiller, &

Tiller arm handle cables - tiller, &

£139.00
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Annual service kit - kit, 20hp

Annual service kit - kit, 20hp

£139.99
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Mercury mariner outboard - mercury,

Mercury mariner outboard - mercury,

£52.70
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Service kit for - kit,

Service kit for - kit,

£75.43
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Carburetor 8m0109535 for - 8m0109535,

Carburetor 8m0109535 for - 8m0109535,

£75.98
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Mercury 200 20hp outboard - 200,

Mercury 200 20hp outboard - 200,

£5.45
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Genuine new - genuine,

Genuine new - genuine,

£8.40
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Mercury mariner 20hp 25hp - mercury,

Mercury mariner 20hp 25hp - mercury,

£104.70
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Water pump impeller mercury - pump,

Water pump impeller mercury - pump,

£12.50
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Outboard starter motor for - outboard,

Outboard starter motor for - outboard,

£74.26
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Impeller for mercury - mercury, mariner

Impeller for mercury - mercury, mariner

£17.26
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Long shaft gearbox mercury - gearbox,

Long shaft gearbox mercury - gearbox,

£499.00
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Mercury mariner 9hp - mercury,

Mercury mariner 9hp - mercury,

£17.90
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Annual service parts kit 15hp - kit,

Annual service parts kit 15hp - kit,

£88.31
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Carburettor plunger 15hp 20hp - carburettor,

Carburettor plunger 15hp 20hp - carburettor,

£30.32
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Service maintenance kit - service,

Service maintenance kit - service,

£71.28
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Carburettor intake gasket for - intake,

Carburettor intake gasket for - intake,

£11.95
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Annual service kit for 15hp - annual,

Annual service kit for 15hp - annual,

£139.99
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Mercury outboard engine - mercury,

Mercury outboard engine - mercury,

£12.99
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Oil change service kit - oil, mercury

Oil change service kit - oil, mercury

£36.74
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Throttle linkage gear 5hp - linkage, 7.5hp

Throttle linkage gear 5hp - linkage, 7.5hp

£22.08
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Genuine plunger 15hp 20hp - 15hp,

Genuine plunger 15hp 20hp - 15hp,

£29.95
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Outboard engine motor - engine,

Outboard engine motor - engine,

£64.95
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Fuel pump diaphragm - diaphragm,

Fuel pump diaphragm - diaphragm,

£14.69
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Carburetor 8m0109535 for - carburetor,

Carburetor 8m0109535 for - carburetor,

£75.98
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Annual service kit - service,

Annual service kit - service,

£129.99
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Carb priming start pump - start,

Carb priming start pump - start,

£36.79
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Mercury outboard water pump - outboard,

Mercury outboard water pump - outboard,

£19.16
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Engine side fuel connector - fuel,

Engine side fuel connector - fuel,

£29.39
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Fuel filter for mercury - fuel,

Fuel filter for mercury - fuel,

£20.57
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Ngk dcpr6e outboard spark - outboard,

Ngk dcpr6e outboard spark - outboard,

£16.51
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Carburettor intake manifold - carburettor,

Carburettor intake manifold - carburettor,

£11.03
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Impeller gasket for - &,

Impeller gasket for - &,

£13.20
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Thermostat gasket kit - gasket,

Thermostat gasket kit - gasket,

£28.47
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Mercury 18hp 20hp 25hp - 18hp,

Mercury 18hp 20hp 25hp - 18hp,

£37.50
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Annual service maintenance kit - annual,

Annual service maintenance kit - annual,

£129.99
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Mercury blue band - mercury, 20hp

Mercury blue band - mercury, 20hp

£25.00
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Zinc trim tab anode - trim,

Zinc trim tab anode - trim,

£14.69
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Flushing adaptor 15hp - flushing,

Flushing adaptor 15hp - flushing,

£12.51
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Carburettor rubber boot 8hp - carburettor,

Carburettor rubber boot 8hp - carburettor,

£9.29
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Mercury 5hp 8hp - 7.5hp, 9.8hp

Mercury 5hp 8hp - 7.5hp, 9.8hp

£4.50
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Trigger coil 18hp - trigger, 20hp

Trigger coil 18hp - trigger, 20hp

£45.08
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Mercury outboard f20hp - f20hp, efi

Mercury outboard f20hp - f20hp, efi

£3395.00
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Water pump wear plate gasket - water,

Water pump wear plate gasket - water,

£11.03
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Genuine new - genuine,

Genuine new - genuine,

£12.00
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Impeller gasket plate - &, 15hp

Impeller gasket plate - &, 15hp

£21.11
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Mercury mariner 15hp 20hp efi - mariner,

Mercury mariner 15hp 20hp efi - mariner,

£29.88
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Mercury outboard motor cyl - motor, 2

Mercury outboard motor cyl - motor, 2

£24.99
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Mikini fuel pump assembly - mikini,

Mikini fuel pump assembly - mikini,

£74.99
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Ignition coil leads 15hp - ignition,

Ignition coil leads 15hp - ignition,

£87.35
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Impeller mercury mariner - impeller,

Impeller mercury mariner - impeller,

£10.49
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Mercury mariner impeller water - mercury,

Mercury mariner impeller water - mercury,

£29.75
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Mercury mariner 9hp 15hp - mercury, 9.9hp

Mercury mariner 9hp 15hp - mercury, 9.9hp

£50.00
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Genuine inline fuel filter - inline,

Genuine inline fuel filter - inline,

£11.07
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Outboard maintenance service - maintenance,

Outboard maintenance service - maintenance,

£60.99
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Carburetor for mercury - carburetor,

Carburetor for mercury - carburetor,

£84.99
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📊96 listings · from £4.5 · avg £142.11
⚠️ These listings were last updated more than 12 days ago. Search for fresh listings

Browse 96 mercury outboard 20hp listings currently in our index. Prices range from £4.5 to £3395, with an average of £142.11. 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 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 £4.5, while premium listings can reach £3395 — giving you a wide budget spread to work with. The average price of £142.11 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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