Condition
Purchase
Sort by
Time
Various
Mercury mariner 50hp - mercury,
£125.00
Buy It Now
Mercury mariner 50hp 60hp 75hp - mercury,
£21.50
Buy It Now
893891 starter for mercury - for,
£99.90
Buy It Now
Mariner four stroke - four,
£62.99
Buy It Now
Mariner 50hp cylinder - cylinder, 2
£63.10
Buy It Now
Mercury mariner 50hp flywheel - mercury,
£100.00
Buy It Now
Oil tank vent - oil, cap
£18.35
Buy It Now
Water pump impeller gaskets - impeller,, &
£32.19
Buy It Now
2pk multiflex boat engine - multiflex,
£69.31
Buy It Now
Aluminium anode kit - , for
£34.11
Buy It Now
Genuine fuel pump diaphragm - pump,
£30.26
Buy It Now
Mercury mariner 25hp 40hp 50hp - 25hp,
£18.82
Buy It Now
Service kit mariner mercury - service,
£131.24
Buy It Now
Mercury mariner 50hp 60hp - mercury,
£99.95
Buy It Now
Mercury mariner propeller - mariner,
£238.28
Buy It Now
Water pump kit - water,
£23.99
Buy It Now
Mariner outboard - 60,
£117.60
Buy It Now
Mercury mariner 40hp 50hp 60hp - mariner,
£21.00
Buy It Now
Service kit for 50hp - service, 60hp
£101.19
Buy It Now
40hp 50hp mercury - 40hp, 50mh
£29.99
Buy It Now
Impeller kit for mariner force - kit,
£19.59
Buy It Now
Full service kit mercury - full,
£173.25
Buy It Now
Service kit for 60 - 50, hp
£74.99
Buy It Now
Champion ra8hc spark - 4x,
£27.59
Buy It Now
Air box seal mercury - box,
£11.03
Buy It Now
Carburetor repair kit 809594a1 - carburetor,
£11.99
Buy It Now
Mariner mercury 50hp rectifier - mariner,
£55.00
Buy It Now
Quicksilver mercury mariner - mercury,
£36.74
Buy It Now
40hp 50hp mercury - 40hp,
£89.00
Buy It Now
Thermostat kit for - thermostat,
£22.09
Buy It Now
827675a1 trim motor for - motor,
£86.67
Buy It Now
Skeg guard protector for - guard,
£55.99
Buy It Now
Water pump impeller gasket - water,
£30.35
Buy It Now
Mercury mariner 35hp 40hp - mariner,
£10.95
Buy It Now
Mercury mariner outboard hp - mariner,
£15.99
Buy It Now
Genuine water pump - water,
£32.00
Buy It Now
Genuine mercury fuel pump - genuine,
£31.78
Buy It Now
2pk multiflex boat engine - multiflex,
£80.87
Buy It Now
Genuine water pump - genuine,
£79.00
Buy It Now
Mercury mariner 50hp - mercury, 60hp
£59.95
Buy It Now
Cdm ignition coil lead 50hp - ignition,
£89.00
Buy It Now
Mercury mariner 50hp f50 60hp - mariner,
£75.00
Buy It Now
Big foot service - big,
£185.85
Buy It Now
Mercury mariner 25hp - mercury, 30hp
£75.00
Buy It Now
Mercury mariner 30hp 40hp - mercury,
£25.00
Buy It Now
Genuine mariner carburettor - mariner,
£62.51
Buy It Now
Mercury mariner outboard - ,
£10.49
Buy It Now
Carburettor repair kit - repair,
£41.99
Buy It Now
Mercury mariner 40hp 50hp 60hp - 40hp,
£33.50
Buy It Now
Throttle lever linkages 50hp - throttle,
£59.00
Buy It Now
Champion ra8hc spark plug - 4,
£26.24
Buy It Now
Solas pitch outboard - solas,
£114.95
Buy It Now
Water pump impeller - &, gaskets
£29.43
Buy It Now
Thermostat for mariner - thermostat,
£27.29
Buy It Now
Thermostat kit for mariner - thermostat,
£47.24
Buy It Now
Mercury mariner inline - mariner,
£12.35
Buy It Now
Mercury mariner 50hp 60hp - mercury,
£10.00
Buy It Now
Mercury mariner 40hp 50hp - mariner, 60hp
£95.00
Buy It Now
Mariner 50hp outboard fuel - 50hp,
£50.00
Buy It Now
Mercury mariner outboard - mariner,
£35.00
Buy It Now
Propeller prop nut kit - nut, mercury
£17.43
Buy It Now
New flywheel mercury mariner - flywheel,
£685.40
Buy It Now
Mariner mercury 50hp - mariner,
£145.00
Buy It Now
Mariner 50hp 60hp hood cover - 50hp,
£26.99
Buy It Now
Mercury mariner 50hp - mercury,
£395.00
Buy It Now
Mercury mariner cdi switch - mercury, box
£61.94
Buy It Now
Water pump impeller - water,
£12.87
Buy It Now
Throttle linkage rod joint - throttle,
£16.51
Buy It Now
Auto start assy 50hp - assy, stroke
£149.00
Buy It Now
Water pump impeller washers - impeller, &
£22.54
Buy It Now
Mariner 50hp stroke outboard - mariner,
£39.89
Buy It Now
Ngk dpr6ea spark plug - ngk,
£4.55
Buy It Now
Mariner 50hp stroke cowling - mariner, 2
£73.50
Buy It Now
Mercury mariner 40hp 45hp - 40hp, 50hp
£50.00
Buy It Now
Mariner mercury 50hp propeller - mariner,
£55.00
Buy It Now
New steering tilt - new, ~
£108.51
Buy It Now
Long shaft gearbox - , 4
£749.00
Buy It Now
Genuine mercury mariner water - genuine,
£28.97
Buy It Now
Ignition coil leads mercury - &,
£59.00
Buy It Now
Mercury mariner outboard - mercury,
£39.50
Buy It Now
Mercury mariner fuel pump - mercury,
£26.24
Buy It Now
Mercury mariner 30hp - mercury,
£84.75
Buy It Now
Mercury mariner 40hp 50hp - mariner, 60hp
£59.95
Buy It Now
Genuine mercury mariner fuel - genuine,
£16.00
Buy It Now
Mercury mariner 40hp 50hp 60hp - mercury,
£24.95
Buy It Now
Mercury mariner 50hp pre - mercury,
£365.11
Buy It Now
Stator ass mercury mariner - stator, ass'y
£295.00
Buy It Now
Premium water pump - premium,
£22.03
Buy It Now
Mercury mariner 30hp 40hp - mercury,
£149.99
Buy It Now
Thermostat kit inc - inc, housing
£68.95
Buy It Now
Service kit mercury mariner - mercury,
£110.25
Buy It Now
Steering tilt tube - tilt, &
£124.15
Buy It Now
Fuel filter for 15hp 20hp - fuel,
£15.59
Buy It Now
877805t solenoid valve - 877805t,
£55.99
Buy It Now
Water pump impeller - water,
£24.99
Buy It Now
Looking for more mariner 50hp?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 95 mariner 50hp listings currently in our index. Prices range from £4.55 to £749, with an average of £81.4. 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 mariner 50hp →
Try this: model ship building | nasa marine | nautical cap badges | normandie liner | oronsay | outboard propeller | outboard remote control | outboard lock | outboard control box | outboard tiller arm
Whether you are looking for a brand-new or second-hand mariner 50hp, 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 £4.55, while premium listings can reach £749 — giving you a wide budget spread to work with. The average price of £81.4 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.