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12v alarm siren

4

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Home / Vehicle Parts & Accessories / 12v alarm siren refurbished & used for sale | For Sale UK
Wired loud 12v mini - 12v,

Wired loud 12v mini - 12v,

£6.95 · Buy It Now

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Wired loud alarm horn - alarm, 110db

Wired loud alarm horn - alarm, 110db

£9.87 · Buy It Now

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120db car battery - 120db,

120db car battery - 120db,

£13.49 · Buy It Now

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12v battery backup siren for - siren,

12v battery backup siren for - siren,

£14.95 · Buy It Now

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12v 120db mini - dc,

12v 120db mini - dc,

£3.97 · Buy It Now

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12v led security alarm - dc,

12v led security alarm - dc,

£5.00 · Buy It Now

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Car reverse alarm horn - car, warning

Car reverse alarm horn - car, warning

£7.20 · Buy It Now

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12v sound loud car - 7,

12v sound loud car - 7,

£10.95 · Buy It Now

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12v 120db battery - 12v, backup

12v 120db battery - 12v, backup

£13.29 · Buy It Now

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Universal car alarm - universal,

Universal car alarm - universal,

£16.39 · Buy It Now

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Car reverse siren - reverse, horn

Car reverse siren - reverse, horn

£8.97 · Buy It Now

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Wired strobe siren 120db - wired,

Wired strobe siren 120db - wired,

£5.50 · Buy It Now

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Wired loud alarm - alarm, 110db

Wired loud alarm - alarm, 110db

£10.99 · Buy It Now

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Heavy duty reversing alarm - duty,

Heavy duty reversing alarm - duty,

£14.99 · Buy It Now

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12v battery backup - siren, horn

12v battery backup - siren, horn

£13.99 · Buy It Now

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Universal 12v 120db battery - universal,

Universal 12v 120db battery - universal,

£13.49 · Buy It Now

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Outdoor alarm siren - outdoor,

Outdoor alarm siren - outdoor,

£32.10 · Buy It Now

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Car electronic alarm 12v - dc,

Car electronic alarm 12v - dc,

£10.99 · Buy It Now

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Siren tone for - tone,

Siren tone for - tone,

£13.95 · Buy It Now

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12v 120db mini loud - 12v,

12v 120db mini loud - 12v,

£4.09 · Buy It Now

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2pcs 12v piezo - 2pcs,

2pcs 12v piezo - 2pcs,

£3.95 · Buy It Now

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12v 120db mini - mini, loud

12v 120db mini - mini, loud

£3.82 · Buy It Now

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12v 120db mini loud - loud, wired

12v 120db mini loud - loud, wired

£4.74 · Buy It Now

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Piezo siren 12v - siren, sounder

Piezo siren 12v - siren, sounder

£7.19 · Buy It Now

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Universal 12v motor - universal, driven

Universal 12v motor - universal, driven

£13.49 · Buy It Now

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120db loud hand crank - crank, siren

120db loud hand crank - crank, siren

£13.49 · Buy It Now

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Outdoor siren indoor - outdoor,

Outdoor siren indoor - outdoor,

£13.00 · Buy It Now

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New warning strobe siren sound - strobe,

New warning strobe siren sound - strobe,

£5.49 · Buy It Now

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12v car security system horn - car,

12v car security system horn - car,

£27.10 · Buy It Now

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Sound 12v loud - loud, car

Sound 12v loud - loud, car

£21.16 · Buy It Now

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20pcs diy 12v electronic - 12v,

20pcs diy 12v electronic - 12v,

£78.99 · Buy It Now

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1pcs universal 12v battery - 1pcs,

1pcs universal 12v battery - 1pcs,

£13.49 · Buy It Now

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Miniature piezo siren - piezo, 12v

Miniature piezo siren - piezo, 12v

£5.49 · Buy It Now

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Car alarm siren horn - siren, megaphone

Car alarm siren horn - siren, megaphone

£10.69 · Buy It Now

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Electronic buzzer alarm - electronic,

Electronic buzzer alarm - electronic,

£9.70 · Buy It Now

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Universal 12v motor driven air - universal,

Universal 12v motor driven air - universal,

£7.99 · Buy It Now

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Universal 12v motor driven - universal,

Universal 12v motor driven - universal,

£8.16 · Buy It Now

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12v 120db mini loud - loud, wired

12v 120db mini loud - loud, wired

£6.35 · Buy It Now

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Siren alarm horn with - horn, override

Siren alarm horn with - horn, override

£13.49 · Buy It Now

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Wired loud alarm horn - alarm, 110db

Wired loud alarm horn - alarm, 110db

£11.94 · Buy It Now

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Wired loud alarm siren 110db - siren,

Wired loud alarm siren 110db - siren,

£12.99 · Buy It Now

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12v wired alarm - siren, horn

12v wired alarm - siren, horn

£6.51 · Buy It Now

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12v 120db mini - 120db, horn

12v 120db mini - 120db, horn

£6.12 · Buy It Now

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Lynteck sound bomb - bomb, sb-11

Lynteck sound bomb - bomb, sb-11

£6.52 · Buy It Now

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12v 120db mini - 120db,

12v 120db mini - 120db,

£3.79 · Buy It Now

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Tone siren emergency alarm - emergency,

Tone siren emergency alarm - emergency,

£13.19 · Buy It Now

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12v high water level - level, bilge

12v high water level - level, bilge

£18.24 · Buy It Now

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Loud quad piezo siren - quad,

Loud quad piezo siren - quad,

£11.57 · Buy It Now

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Loud electric motor driven - motor,

Loud electric motor driven - motor,

£8.39 · Buy It Now

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12v 120db mini wired horn - 120db, loud

12v 120db mini wired horn - 120db, loud

£6.99 · Buy It Now

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220v wired alarm - 12/220v,

220v wired alarm - 12/220v,

£5.49 · Buy It Now

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Hella 3al 922 000 961 - hella, trumpet

Hella 3al 922 000 961 - hella, trumpet

£12.51 · Buy It Now

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Siren 6tone for car alarm - siren,

Siren 6tone for car alarm - siren,

£14.95 · Buy It Now

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120 12v wired alarm siren - 120,

120 12v wired alarm siren - 120,

£13.90 · Buy It Now

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12v 120db mini loud wired - dc,

12v 120db mini loud wired - dc,

£5.95 · Buy It Now

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Hella 3al 922 000 - 3al,

Hella 3al 922 000 - 3al,

£12.51 · Buy It Now

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12v 120db mini - wired, horn

12v 120db mini - wired, horn

£5.99 · Buy It Now

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Car truck warning - truck, siren

Car truck warning - truck, siren

£15.57 · Buy It Now

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12v sound loud - sound,

12v sound loud - sound,

£15.59 · Buy It Now

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Outdoor siren indoor - outdoor,

Outdoor siren indoor - outdoor,

£13.00 · Buy It Now

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12v red motor - red, air

12v red motor - red, air

£7.94 · Buy It Now

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Universal 12v motor driven air - 12v,

Universal 12v motor driven air - 12v,

£7.12 · Buy It Now

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Dc12v 120db mini - 120db,

Dc12v 120db mini - 120db,

£6.05 · Buy It Now

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12v 24v 105db auto warning - 105db,

12v 24v 105db auto warning - 105db,

£7.74 · Buy It Now

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Universal car alarm - v,

Universal car alarm - v,

£16.39 · Buy It Now

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Dc12v 120db mini loud - dc12v, wired

Dc12v 120db mini loud - dc12v, wired

£13.49 · Buy It Now

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Replacement 12v adaptor - replacement,

Replacement 12v adaptor - replacement,

£11.49 · Buy It Now

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Universal 12v siren - universal, car

Universal 12v siren - universal, car

£13.95 · Buy It Now

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Wired strobe siren 220v - wired, 12/220v

Wired strobe siren 220v - wired, 12/220v

£5.24 · Buy It Now

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12v wired burglar alarm - wired, led

12v wired burglar alarm - wired, led

£8.99 · Buy It Now

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Universal 12v motor driven - driven, air

Universal 12v motor driven - driven, air

£8.54 · Buy It Now

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Wired strobe siren - strobe, sound

Wired strobe siren - strobe, sound

£5.75 · Buy It Now

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12v motorcycle motor - 12v,

12v motorcycle motor - 12v,

£13.19 · Buy It Now

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110db 12v wire loud horn - wire,

110db 12v wire loud horn - wire,

£12.61 · Buy It Now

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Outdoor alarm siren and - outdoor,

Outdoor alarm siren and - outdoor,

£83.90 · Buy It Now

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3am 922 000 971 hella - 3am,

3am 922 000 971 hella - 3am,

£19.99 · Buy It Now

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120db dc12v mini - loud, wired

120db dc12v mini - loud, wired

£13.49 · Buy It Now

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12v 120db mini - dc, wired

12v 120db mini - dc, wired

£4.16 · Buy It Now

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100w 12v tone - 100w,

100w 12v tone - 100w,

£10.98 · Buy It Now

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12v siren alarm - 12v,

12v siren alarm - 12v,

£14.99 · Buy It Now

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Strobe light siren alarm - siren, with

Strobe light siren alarm - siren, with

£5.51 · Buy It Now

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12v 120db loud - indoor, wired

12v 120db loud - indoor, wired

£13.59 · Buy It Now

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Hella 3al 922 - 200-761, signal

Hella 3al 922 - 200-761, signal

£17.41 · Buy It Now

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Active buzzers continuous - active,

Active buzzers continuous - active,

£3.33 · Buy It Now

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Motor driven air - air, alarm

Motor driven air - air, alarm

£13.49 · Buy It Now

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12v 24v 120db alarm siren - 12v-24v,

12v 24v 120db alarm siren - 12v-24v,

£13.49 · Buy It Now

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High decibel alarm system for - high,

High decibel alarm system for - high,

£6.59 · Buy It Now

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Outdoor alarm siren - alarm,

Outdoor alarm siren - alarm,

£34.00 · Buy It Now

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Hella 3al 922 000 961 - 3al,

Hella 3al 922 000 961 - 3al,

£12.51 · Buy It Now

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12v battery backup siren - 12v,

12v battery backup siren - 12v,

£12.82 · Buy It Now

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12v 120db mini - mini, loud

12v 120db mini - mini, loud

£13.49 · Buy It Now

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Sir1tbb01 1pcs 12v battery - sir1tbb01,

Sir1tbb01 1pcs 12v battery - sir1tbb01,

£13.49 · Buy It Now

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12v 120db red wired alarm - 12v,

12v 120db red wired alarm - 12v,

£8.51 · Buy It Now

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Dc12v 120db loud wired horn - wired,

Dc12v 120db loud wired horn - wired,

£5.87 · Buy It Now

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12v 120db battery backup siren - 12v,

12v 120db battery backup siren - 12v,

£13.49 · Buy It Now

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12v motorcycle anti - motorcycle, anti-theft

12v motorcycle anti - motorcycle, anti-theft

£19.99 · Buy It Now

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📊96 listings · from £3.33 · avg £12.65
⚠️ These listings were last updated more than 15 days ago. Search for fresh listings

Browse 96 12v alarm siren listings currently in our index. Prices range from £3.33 to £83.9, with an average of £12.65. 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 12v alarm siren →

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Everything you need to know about 12v alarm siren

Whether you are looking for a brand-new or second-hand 12v alarm siren, 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 £3.33, while premium listings can reach £83.9 — giving you a wide budget spread to work with. The average price of £12.65 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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