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Bsa gearbox b31

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Home / Vehicle Parts & Accessories / Bsa gearbox b31 refurbished & used for sale | For Sale UK
Bsa b31 b33 - bsa, m20

Bsa b31 b33 - bsa, m20

£83.90 · Buy It Now

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Bsa a10 b31 - bsa, a7/a10/b31/b33/

Bsa a10 b31 - bsa, a7/a10/b31/b33/

£26.52 · Buy It Now

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Bsa 350 500 650 a10 - bsa, b33

Bsa 350 500 650 a10 - bsa, b33

£149.99 · Buy It Now

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Bsa a10 b31 - bsa, swing-arm

Bsa a10 b31 - bsa, swing-arm

£125.50 · Buy It Now

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3131 bsa b31 b33 m20 - b33,

3131 bsa b31 b33 m20 - b33,

£3.40 · Buy It Now

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Bsa a10 b31 b33 - bsa,

Bsa a10 b31 b33 - bsa,

£3.90 · Buy It Now

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Bsa a10 b31 b33 b34 - bsa,

Bsa a10 b31 b33 b34 - bsa,

£5.70 · Buy It Now

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Bsa b33 b31 - b31?, m20

Bsa b33 b31 - b31?, m20

£110.00 · Buy It Now

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Bsa b31 b33 pair armoured - b31, oil

Bsa b31 b33 pair armoured - b31, oil

£49.99 · Buy It Now

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Bsa outer gearbox - bsa, cover

Bsa outer gearbox - bsa, cover

£8.49 · Buy It Now

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Bsa b31 b32 b34 - b34, gold

Bsa b31 b32 b34 - b34, gold

£53.95 · Buy It Now

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Bsa a10 b31 gold - a10, star

Bsa a10 b31 gold - a10, star

£18.95 · Buy It Now

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Bsa a10 b31 b33 - b31, c1

Bsa a10 b31 b33 - b31, c1

£67.50 · Buy It Now

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Bsa 4206 gearbox gear - bsa,

Bsa 4206 gearbox gear - bsa,

£69.95 · Buy It Now

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Bsa a10 b31 b33 - a7, series

Bsa a10 b31 b33 - a7, series

£8.25 · Buy It Now

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Gearbox gasket set bsa - gearbox,

Gearbox gasket set bsa - gearbox,

£8.61 · Buy It Now

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4217 bsa b31 b32 - bsa, m21

4217 bsa b31 b32 - bsa, m21

£11.07 · Buy It Now

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Bsa a10 b31 - a7,

Bsa a10 b31 - a7,

£3.45 · Buy It Now

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Bsa b31 b32 b33 - b31,

Bsa b31 b32 b33 - b31,

£4.95 · Buy It Now

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Bsa gear change lever b31 - b31, m20

Bsa gear change lever b31 - b31, m20

£12.99 · Buy It Now

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Bsa m20 m21 m23 m24 - m20,

Bsa m20 m21 m23 m24 - m20,

£19.99 · Buy It Now

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3508 bsa a10 plunger m20 - 65-3508, a7

3508 bsa a10 plunger m20 - 65-3508, a7

£9.75 · Buy It Now

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Bsa gearbox sprocket oil seal - bsa,

Bsa gearbox sprocket oil seal - bsa,

£6.75 · Buy It Now

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4217 bsa nke premium - bsa,

4217 bsa nke premium - bsa,

£14.98 · Buy It Now

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Gearbox sprocket bsa b31 - gearbox, sprocket,

Gearbox sprocket bsa b31 - gearbox, sprocket,

£46.57 · Buy It Now

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Bsa b31 b33 b34 c15 - b31,

Bsa b31 b33 b34 c15 - b31,

£3.65 · Buy It Now

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Bsa a10 500cc - a10,

Bsa a10 500cc - a10,

£210.00 · Buy It Now

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4065 bsa nke premium - (nke,

4065 bsa nke premium - (nke,

£14.90 · Buy It Now

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Skf bsa 4065 - skf, 24-4065

Skf bsa 4065 - skf, 24-4065

£24.99 · Buy It Now

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Dunlop bsa 4065 gearbox - bsa, 24-4065

Dunlop bsa 4065 gearbox - bsa, 24-4065

£16.99 · Buy It Now

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Gearbox sprocket 18t for - gearbox,

Gearbox sprocket 18t for - gearbox,

£34.85 · Buy It Now

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Gearbox sprocket 18t for bsa - sprocket,

Gearbox sprocket 18t for bsa - sprocket,

£34.80 · Buy It Now

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Gearbox inner outer cover - gearbox,

Gearbox inner outer cover - gearbox,

£6.47 · Buy It Now

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Bsa gold star quality made - quality,

Bsa gold star quality made - quality,

£73.24 · Buy It Now

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Bsa b31 b32 - bsa, oil

Bsa b31 b32 - bsa, oil

£52.95 · Buy It Now

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Bsa gearbox inspection cover - gearbox,

Bsa gearbox inspection cover - gearbox,

£15.00 · Buy It Now

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Bsa b31 b32 - b32, b33

Bsa b31 b32 - b32, b33

£12.99 · Buy It Now

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Bsa gearbox drain plug bolt - bsa,

Bsa gearbox drain plug bolt - bsa,

£6.45 · Buy It Now

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Gearbox sprocket 18t for bsa - gearbox,

Gearbox sprocket 18t for bsa - gearbox,

£36.46 · Buy It Now

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Bsa 3005 a10 b33 - bsa, b31

Bsa 3005 a10 b33 - bsa, b31

£25.51 · Buy It Now

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Gearbox clutch arm - x,

Gearbox clutch arm - x,

£5.40 · Buy It Now

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Bsa a10 b31 b33 - bsa, a7-a10-b31-b33

Bsa a10 b31 b33 - bsa, a7-a10-b31-b33

£160.00 · Buy It Now

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Bsa a10 b31 b32 b33 - a10, m20

Bsa a10 b31 b32 b33 - a10, m20

£3.80 · Buy It Now

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Bsa a10 b31 - bsa, gearbox

Bsa a10 b31 - bsa, gearbox

£9.49 · Buy It Now

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Bsa a10 b31 b32 - b31, b34

Bsa a10 b31 b32 - b31, b34

£35.00 · Buy It Now

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Bsa a10 b31 - plunger, and

Bsa a10 b31 - plunger, and

£2.95 · Buy It Now

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Bsa a10 b31 - b31, gearbox

Bsa a10 b31 - b31, gearbox

£3.90 · Buy It Now

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Bsa a10 500cc - 500cc, 650cc

Bsa a10 500cc - 500cc, 650cc

£329.99 · Buy It Now

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Bsa b31 b33 - bsa, adaptor

Bsa b31 b33 - bsa, adaptor

£52.70 · Buy It Now

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Bsa m20 m21 m22 b31 - m22,, b31/33

Bsa m20 m21 m22 b31 - m22,, b31/33

£5.44 · Buy It Now

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Bsa a10 b31 - bsa, clutch

Bsa a10 b31 - bsa, clutch

£17.99 · Buy It Now

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Bsa m20 m21 - m20, b31

Bsa m20 m21 - m20, b31

£49.99 · Buy It Now

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Gearbox outer cover - gearbox,

Gearbox outer cover - gearbox,

£6.47 · Buy It Now

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Bsa a10 gearbox - layshaft, 2nd

Bsa a10 gearbox - layshaft, 2nd

£16.15 · Buy It Now

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Bsa m20 m21 b31 b33 - bsa,

Bsa m20 m21 b31 b33 - bsa,

£49.99 · Buy It Now

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Bsa outer gearbox - outer, case

Bsa outer gearbox - outer, case

£7.95 · Buy It Now

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Bsa gear 19t - gearbox, close

Bsa gear 19t - gearbox, close

£24.99 · Buy It Now

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Bsa a10 gearbox selector - bsa,

Bsa a10 gearbox selector - bsa,

£10.80 · Buy It Now

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Bsa b31 b33 m20 m21 - b33,

Bsa b31 b33 m20 m21 - b33,

£6.15 · Buy It Now

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Bsa b31 b33 - bsa, m20

Bsa b31 b33 - bsa, m20

£2.90 · Buy It Now

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Bsa spring clutch - spring,

Bsa spring clutch - spring,

£23.99 · Buy It Now

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Tab washer gearbox sprocket - tab,

Tab washer gearbox sprocket - tab,

£2.30 · Buy It Now

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Bsa a10 b34 b33 b32 - b34,

Bsa a10 b34 b33 b32 - b34,

£12.00 · Buy It Now

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Bsa a10 b31 gearbox - bsa, a7

Bsa a10 b31 gearbox - bsa, a7

£3.98 · Buy It Now

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Bearing gearbox high gear - high,

Bearing gearbox high gear - high,

£6.62 · Buy It Now

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Selection bsa b31 engine - selection,

Selection bsa b31 engine - selection,

£1.89 · Buy It Now

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Bsa singles mini - 33,

Bsa singles mini - 33,

£4.65 · Buy It Now

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Bsa gear 20t gearbox - 20t,

Bsa gear 20t gearbox - 20t,

£10.99 · Buy It Now

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Bsa m21 b31 - m21, a10

Bsa m21 b31 - m21, a10

£14.99 · Buy It Now

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3346 gearbox inner - gasket,

3346 gearbox inner - gasket,

£3.00 · Buy It Now

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Bsa a10 b31 b32 - b32, b33

Bsa a10 b31 b32 - b32, b33

£15.95 · Buy It Now

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Bsa b31 500 plunger - plunger, gear

Bsa b31 500 plunger - plunger, gear

£130.70 · Buy It Now

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Bsa a10 b31 - a7,

Bsa a10 b31 - a7,

£145.00 · Buy It Now

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Bsa a10 b31 - b33, swinging

Bsa a10 b31 - b33, swinging

£3.50 · Buy It Now

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Gasket gearbox inspection - gasket,,

Gasket gearbox inspection - gasket,,

£2.30 · Buy It Now

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Bsa b31 b33 a10 - b31/b33, std

Bsa b31 b33 a10 - b31/b33, std

£167.10 · Buy It Now

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Bsa a10 b31 - bsa, a10/a7/b31/b33

Bsa a10 b31 - bsa, a10/a7/b31/b33

£52.70 · Buy It Now

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Gearbox clutch arm cover - x,

Gearbox clutch arm cover - x,

£4.33 · Buy It Now

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Bsa a10 b31 b33 - a10,

Bsa a10 b31 b33 - a10,

£39.98 · Buy It Now

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Bsa a10 b31 b33 - bsa,

Bsa a10 b31 b33 - bsa,

£12.94 · Buy It Now

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4065 bsa a10 b31 b32 - 24-4065, a7

4065 bsa a10 b31 b32 - 24-4065, a7

£17.95 · Buy It Now

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Bsa b31 b33 b34 engine - bsa,

Bsa b31 b33 b34 engine - bsa,

£9.25 · Buy It Now

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Bsa b31 b33 m20 - b31-b33-m20-m21-m33, inner

Bsa b31 b33 m20 - b31-b33-m20-m21-m33, inner

£30.00 · Buy It Now

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Original bsa b31 b32 b33 - original,

Original bsa b31 b32 b33 - original,

£37.10 · Buy It Now

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Bsa m20 m21 - bsa, b33

Bsa m20 m21 - bsa, b33

£23.36 · Buy It Now

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Genuine bsa m20 m21 - m21, b31

Genuine bsa m20 m21 - m21, b31

£59.00 · Buy It Now

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Vintage bsa gearbox layshaft - layshaft, &

Vintage bsa gearbox layshaft - layshaft, &

£52.99 · Buy It Now

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Bsa m20 m21 b31 b33 - bsa,

Bsa m20 m21 b31 b33 - bsa,

£29.99 · Buy It Now

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Gearbox inspection cover - ,

Gearbox inspection cover - ,

£5.40 · Buy It Now

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Bsa a10 b31 - m20, m21

Bsa a10 b31 - m20, m21

£4.99 · Buy It Now

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Bsa b31 b32 - bsa,

Bsa b31 b32 - bsa,

£89.99 · Buy It Now

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Bsa gear 23t gearbox layshaft - bsa,

Bsa gear 23t gearbox layshaft - bsa,

£26.70 · Buy It Now

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Bsa a10 b33 b31 - b33,

Bsa a10 b33 b31 - b33,

£29.00 · Buy It Now

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Bsa gearbox sleeve gear bush - bsa,

Bsa gearbox sleeve gear bush - bsa,

£15.00 · Buy It Now

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Bsa gearbox transmission - gearbox,

Bsa gearbox transmission - gearbox,

£64.39 · Buy It Now

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Gearbox sprocket 18t - sprocket,

Gearbox sprocket 18t - sprocket,

£34.85 · Buy It Now

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📊96 listings · from £1.89 · avg £36.3
⚠️ These listings were last updated more than 18 days ago. Search for fresh listings

Browse 96 bsa gearbox b31 listings currently in our index. Prices range from £1.89 to £329.99, with an average of £36.3. 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 bsa gearbox b31 →

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Everything you need to know about bsa gearbox b31

Whether you are looking for a brand-new or second-hand bsa gearbox b31, 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 £1.89, while premium listings can reach £329.99 — giving you a wide budget spread to work with. The average price of £36.3 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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