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Thunder tiger pro 5cc - thunder,
£63.10
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Alpha port off road - .21, off-road
£115.09
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Trackstar nitro engine 21 - trackstar, .21
£104.69
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Fastrax enduro twenty one - twenty, one.21
£148.99
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Nitro engine pull start - engine, for
£7.99
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Engines pt21 21 nitro - engines, pt21-p3
£129.99
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Xt2 nitro engine 5cc 21 - engine, .21
£94.29
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Skyrc nitro engine - skyrc,
£25.00
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Picco monza evo nitro rc - picco,
£62.44
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Hpi savage fitted - hpi, 21
£187.90
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Thunder tiger pro - pro, 28
£29.82
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Nitro buggy engine spares - nitro,
£72.46
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Nitro car buggy - rc,
£11.95
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Fastrax enduro nitro - fastrax, engine
£170.99
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Thunder tiger pro - thunder,
£141.10
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Ftx engine ftx6020 - engine,
£170.99
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Thunder tiger eb4 5 - tiger, pro
£60.00
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Thunder tiger pro nitro - thunder,
£94.29
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Hpi troohy with lrp - 3.5,
£167.10
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Force nitro engine - 21,
£63.10
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Ansmann ar28 nitro engine - ansmann, engine.28
£94.29
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Losi rtr nitro - rtr,
£83.90
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Kyosho gs21 nitro engine - gs21,
£28.35
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21c turnigy acme rumble - 21c,
£83.89
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Hobao hyper complete carb - vs,
£29.99
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Nitro engine rotostart - engine,
£12.80
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Max rg nitro engine - 21,
£116.58
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Xtm carb 25 nitro - xtm,
£29.99
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Force 21r car - 21r, abc
£223.99
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Model engine vintage kb35 - model,
£37.10
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Sts 1cc port - 2.1cc,
£63.10
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Hobao hyper 1 8 4x4 - hobao, 1/8
£130.70
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Thunder tiger pro - tiger, r/c
£125.00
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Hyper rc nitro engine - hyper,
£52.70
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Hobao hyper engine - .21,
£119.99
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Nitro hyper 21 - nitro,
£82.86
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Picco competition engine - 21,
£100.00
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Fastrax enduro nitro engine - fastrax, 'enduro'
£154.98
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Novarossi ultimate nitro - m-5,
£125.00
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50sx stroke nitro glow - o.s., 2-stroke
£103.66
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Rare d32 nitro race speed - speed, boat
£104.70
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Robbe modellsport mds model - robbe,
£100.00
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Hyper mach 30 nitro - hyper,
£17.24
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M21 21cxp nitro engine - sh,
£139.00
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Hobao hyper pirate - hyper,
£89.10
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Exhaust muffler pipe - muffler, rc
£12.99
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Scale manifold rc nitro - scale,
£6.99
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Thunder tiger pro - pro, 28
£82.86
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Electric roto start power - electric,
£6.68
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Super tigre g75 21cc - super, 12.21cc
£94.30
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Novarossi s21 21 nitro - novarossi, p.5
£156.70
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Max 21rg nitro engine - 21rg,
£194.38
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Thunder tiger eb4 pro - eb4,
£85.00
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8th 10th nitro - 1/10th, rc
£6.00
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Hobao hyper alpha nitro - hyper, vs
£650.00
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Hobao hyper port - hyper, 8
£160.00
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Pull starter pullstart - pull, for
£8.95
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Nitro engine pull - pull, 1/10
£8.95
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Exhaust muffler pipe - pipe, for
£19.99
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Rc car nitro engine - rc,
£26.00
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Pro 21r engine with - pro, 1/8
£89.99
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Fastrax enduro nitro engine - nitro,
£146.24
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Ansmann 28 nitro - ansmann, 21,
£12.90
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Nitro engine rotostart - nitro, roto
£12.80
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Hobao hyper pbs 8 port - hyper,
£95.00
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Veco stroke nitro glow - .19, nitro/glow
£42.30
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Super tigre g21 - tigre,
£42.30
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Pull start for thunder - thunder, tiger
£12.75
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Hyper mach nitro engine - nitro,
£18.98
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Fastrax enduro twenty - 'enduro',
£134.98
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Thunder tiger pro nitro - tiger, 21
£83.89
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Kyosho inferno neo - kyosho, 21sp
£125.00
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Novarossi start 5 - novarossi, 3.5
£114.60
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Vintage sirio 21bk - sirio, s-21bk
£447.67
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Ansmann 28 nitro - 21,,
£12.90
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Novarossi rex sp speed - novarossi,
£176.44
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Fastrax enduro twenty - twenty, one
£126.74
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Thunder tiger eb4 pro 21 - eb4, .21
£104.70
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R020 nitro pull - nitro,
£6.99
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Engines max 21xz - o.s., 21xz-b
£236.41
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Original hobao pirate sport - original,
£286.70
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Fr21 p3r force nitro - p3r,
£94.29
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Extra strong kevlar nitro - strong,
£18.99
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Max 21vf m marine - o.s., nitro
£113.24
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Hobao hyper port turbo - 21,
£164.98
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Thunder tiger eb4 pro 21 - thunder,
£31.90
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Magnum c - 21, r/c.
£37.10
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Hpi savage metal alloy nitro - savage,
£18.90
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Fastrax enduro twenty - enduro, .21
£24.98
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Kyosho inferno with box - inferno,
£208.69
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11011 electric roto starter - 11011,
£6.60
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Hudy nitro engine - hudy, rc
£9.99
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R020 nitro pull starter - nitro,
£8.49
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Scale nitro buggy 21 - scale,
£9.99
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Pdp car engine - car,
£196.42
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Nitro engine car truck - nitro,
£52.70
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Looking for more 21 nitro engine?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 21 nitro engine listings currently in our index. Prices range from £6 to £650, with an average of £93.93. 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 21 nitro engine →
Try this: 300tdi engine | 300tdi injector | 4 stroke rc engine | 49cc engine | 4d56 engine | 4m40 engine | 4x4 crew cab | 6 cylinder engine | 70cc bore kit | 998 mini engine
Whether you are looking for a brand-new or second-hand 21 nitro engine, 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, while premium listings can reach £650 — giving you a wide budget spread to work with. The average price of £93.93 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.