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Hp service kit - hp,
£167.99 · Buy It Now
» View details on eBay #sponsoredMariner outboard - 50, hp
£117.60 · Buy It Now
» View details on eBay #sponsoredMercury mariner 50hp 60hp - mercury,
£99.95 · Buy It Now
» View details on eBay #sponsoredGenuine mariner carburettor - 3x,
£67.95 · Buy It Now
» View details on eBay #sponsoredService kit mariner - service,
£131.24 · Buy It Now
» View details on eBay #sponsoredMercury mariner cdi - cdi, box
£61.94 · Buy It Now
» View details on eBay #sponsoredRegulator rectifier for
£52.49 · Buy It Now
» View details on eBay #sponsoredWater pump impeller gasket - impeller,, &
£32.99 · Buy It Now
» View details on eBay #sponsoredMercury mariner outboard - mariner,
£10.49 · Buy It Now
» View details on eBay #sponsoredMercury mariner inline - 50, hp
£12.35 · Buy It Now
» View details on eBay #sponsoredAir box seal mercury mariner - air,
£11.99 · Buy It Now
» View details on eBay #sponsoredMercury mariner 40hp 50hp - mercury,
£21.00 · Buy It Now
» View details on eBay #sponsoredService kit mercury mariner - service,
£74.23 · Buy It Now
» View details on eBay #sponsoredWater pump impeller kit for - water,
£34.64 · Buy It Now
» View details on eBay #sponsoredWater pump impeller service - impeller,
£34.95 · Buy It Now
» View details on eBay #sponsoredMercury mariner oil - mariner, hp
£73.40 · Buy It Now
» View details on eBay #sponsoredGenuine fuel pump - genuine, diaphragm
£32.89 · Buy It Now
» View details on eBay #sponsoredChampion ra8hc spark - 4x,
£28.00 · Buy It Now
» View details on eBay #sponsoredChampion ra8hc spark plug - 4,
£26.24 · Buy It Now
» View details on eBay #sponsoredPremium water pump impeller - pump,
£23.95 · Buy It Now
» View details on eBay #sponsoredService kit for 50hp 60hp - service,
£109.99 · Buy It Now
» View details on eBay #sponsoredCarburettor repair kit for - repair,
£41.99 · Buy It Now
» View details on eBay #sponsoredMercury mariner 50hp 60hp 75hp - 50hp,
£21.50 · Buy It Now
» View details on eBay #sponsoredOil tank vent cap mercury - oil,
£19.95 · Buy It Now
» View details on eBay #sponsoredMercury mariner 60 - mercury,
£56.18 · Buy It Now
» View details on eBay #sponsoredBig foot service kit - hp,
£185.85 · Buy It Now
» View details on eBay #sponsoredThermostat kit inc housing - kit,
£64.95 · Buy It Now
» View details on eBay #sponsoredWater pump impeller kit - impeller,
£26.99 · Buy It Now
» View details on eBay #sponsoredStator ass mercury - ass'y, mariner
£295.00 · Buy It Now
» View details on eBay #sponsoredMariner efi four stroke - 50,
£62.99 · Buy It Now
» View details on eBay #sponsored2pk multiflex boat - multiflex, engine
£73.93 · Buy It Now
» View details on eBay #sponsored2pk multiflex boat engine - 2pk,
£68.13 · Buy It Now
» View details on eBay #sponsoredFull service kit mercury - service,
£173.25 · Buy It Now
» View details on eBay #sponsoredMercury mariner 40hp 50hp - mercury,
£14.50 · Buy It Now
» View details on eBay #sponsoredSolas pitch outboard - solas,
£149.00 · Buy It Now
» View details on eBay #sponsoredGenuine mercury mariner - genuine,
£78.70 · Buy It Now
» View details on eBay #sponsoredMercury mariner oil filter - mercury,
£24.89 · Buy It Now
» View details on eBay #sponsoredMariner mercury 50hp 60hp - mariner,
£145.00 · Buy It Now
» View details on eBay #sponsored100hr service maintenance - service,
£79.95 · Buy It Now
» View details on eBay #sponsoredCarburettor gasket kit 5hp - carburettor, 7.5hp
£49.95 · Buy It Now
» View details on eBay #sponsoredMariner 50hp stroke split - 50hp,
£42.85 · Buy It Now
» View details on eBay #sponsoredMercury mariner 30hp - mariner, 40hp
£149.99 · Buy It Now
» View details on eBay #sponsoredService kit mercury mariner - kit,
£79.01 · Buy It Now
» View details on eBay #sponsored40hp 50hp mercury mariner 50mh - 40hp,
£29.99 · Buy It Now
» View details on eBay #sponsoredService kit mariner mercury - kit,
£117.60 · Buy It Now
» View details on eBay #sponsoredService kit mercury mariner - ,
£110.25 · Buy It Now
» View details on eBay #sponsoredMercury mariner 50hp - mercury, 70hp
£35.99 · Buy It Now
» View details on eBay #sponsoredGenuine mercury fuel pump - mercury,
£34.54 · Buy It Now
» View details on eBay #sponsoredMercury mariner propeller - mercury,
£259.00 · Buy It Now
» View details on eBay #sponsored40hp 45hp 50hp 55hp 60hp - 50hp,
£17.99 · Buy It Now
» View details on eBay #sponsoredSkeg guard protector for - skeg,
£60.29 · Buy It Now
» View details on eBay #sponsoredMercury mariner 50hp 60hp tilt - mercury,
£99.99 · Buy It Now
» View details on eBay #sponsoredGenuine water pump - pump, impeller
£31.49 · Buy It Now
» View details on eBay #sponsoredWater pump impeller gaskets - water, impeller,
£34.99 · Buy It Now
» View details on eBay #sponsoredFuel filter 40hp 50hp - 40hp,
£16.50 · Buy It Now
» View details on eBay #sponsoredFuel filter for 15hp 20hp - 20hp, 25hp
£16.95 · Buy It Now
» View details on eBay #sponsoredWater pump impeller - impeller, kit
£35.69 · Buy It Now
» View details on eBay #sponsoredMercury mariner 40hp - mercury, 60hp
£24.95 · Buy It Now
» View details on eBay #sponsored2pk multiflex boat engine - multiflex,
£62.37 · Buy It Now
» View details on eBay #sponsoredOil filter drain - oil,, &
£79.99 · Buy It Now
» View details on eBay #sponsoredMercury mariner 30hp 40hp - mercury,
£85.00 · Buy It Now
» View details on eBay #sponsoredMercury mariner - mercury,
£239.99 · Buy It Now
» View details on eBay #sponsoredTransom clamp bracket 40hp - bracket,
£249.00 · Buy It Now
» View details on eBay #sponsoredWater pump impeller gaskets - pump, &
£31.99 · Buy It Now
» View details on eBay #sponsoredMercury mariner 50hp - mariner, 4
£250.00 · Buy It Now
» View details on eBay #sponsoredMercury mariner oil - mercury,
£10.00 · Buy It Now
» View details on eBay #sponsoredWater pump impeller - water, gasket
£29.95 · Buy It Now
» View details on eBay #sponsoredGenuine thermostat housing - genuine,
£69.99 · Buy It Now
» View details on eBay #sponsoredMariner 50hp stroke - mariner, efi
£40.65 · Buy It Now
» View details on eBay #sponsoredMercury mariner 30hp 40hp - mercury,
£95.00 · Buy It Now
» View details on eBay #sponsoredMariner 30hp 40hp - 40hp, 50hp
£65.00 · Buy It Now
» View details on eBay #sponsoredThermostat gasket mercury - thermostat,
£47.95 · Buy It Now
» View details on eBay #sponsoredOutboard ignition coil - outboard, fits
£24.99 · Buy It Now
» View details on eBay #sponsoredWater pump gaskets for 50hp - pump,
£11.99 · Buy It Now
» View details on eBay #sponsoredCarburettor gasket seal kit - carburettor,
£22.99 · Buy It Now
» View details on eBay #sponsoredElectric starter motor - electric,
£24.99 · Buy It Now
» View details on eBay #sponsoredMariner mercury 50hp stator - mariner,
£165.00 · Buy It Now
» View details on eBay #sponsoredMariner 50hp 60hp - , hood
£26.99 · Buy It Now
» View details on eBay #sponsoredZinc gearcase anode - gearcase,
£32.50 · Buy It Now
» View details on eBay #sponsoredTrim tab anode - for, /
£24.83 · Buy It Now
» View details on eBay #sponsoredMariner 50hp stroke outboard - 50hp, 2
£39.89 · Buy It Now
» View details on eBay #sponsoredMercury mariner fuel - mariner, filter
£12.95 · Buy It Now
» View details on eBay #sponsoredThermostat kit for mariner - kit,
£47.24 · Buy It Now
» View details on eBay #sponsoredWater pump service - pump, kit
£52.95 · Buy It Now
» View details on eBay #sponsoredTell tale outlet nipple - tell,
£14.99 · Buy It Now
» View details on eBay #sponsoredMercury mariner 25hp 30hp 40hp - mercury,
£85.00 · Buy It Now
» View details on eBay #sponsoredMercury mariner 35hp - mariner, 50hp
£11.90 · Buy It Now
» View details on eBay #sponsoredMercury mariner 50hp - 50hp, 60hp
£250.00 · Buy It Now
» View details on eBay #sponsoredMercury mariner 50hp - 50hp, 60hp
£9.90 · Buy It Now
» View details on eBay #sponsoredMercury mariner 40hp 45hp - mariner,
£125.00 · Buy It Now
» View details on eBay #sponsoredNgk dpr6ea spark plug - ngk, dpr6ea-9
£4.95 · Buy It Now
» View details on eBay #sponsoredGenuine water pump - genuine,
£31.49 · Buy It Now
» View details on eBay #sponsoredGenuine water pump impeller - 2x,
£42.00 · Buy It Now
» View details on eBay #sponsoredMercury mariner 40hp - mariner, 50hp
£90.00 · Buy It Now
» View details on eBay #sponsoredWater pump impeller - 40, 45
£55.56 · Buy It Now
» View details on eBay #sponsoredWater pump impeller kit for - impeller,
£28.34 · Buy It Now
» View details on eBay #sponsoredLooking for more mariner 50hp?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 mariner 50hp listings currently in our index. Prices range from £4.95 to £295, with an average of £69.27. 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: mariner outboard fuel tank | masthead light | nasa marine | outboard propeller | outboard rectifier | outboard remote control | outboard lock | outboard control box | outboard tiller arm | outboard kill switch
Whether you are looking for a brand-new or second-hand mariner 50hp, 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 £4.95, while premium listings can reach £295 — giving you a wide budget spread to work with. The average price of £69.27 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.