We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
£63.72
Hella HELLA Back-up Alarm BM20 - 107dB(A) - Loud Tone - Housing Colour: Black - Bolted - Plug: AMP - Quantity: 1 - 3SL 009 148-021
Black, 3SL 009 148-021
Price data last checked 127 day(s) ago - refreshing...
We'll watch every seller, every day. One email when your price arrives.
About as cheap as it gets. The only time it was cheaper was 5 months ago.
£64 today · all-time low £63 (Jan 2026) · usually the usual
NEW HERE?
Amazon shows you one price. We show you all of them.
Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.
WHAT'S ON THIS PAGE
when this has been cheap or pricey
where the price is heading next
all-time high & low, recent range
name your number, we'll email you
Price History & Forecast
Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.
Last 427 days • 427 data points (No recent data available)
Price Distribution
Price distribution over 427 days • 5 price ranges
Price Analysis
Most common range: £69-74 (240 days, 56.2%)
Price range: £63 - £89
Price levels: 5 price ranges over 427 days
Key Features
Penetrating, long-range alarm sound
Integrated protection against reverse polarity and voltage peaks.
Splashproof according to IP 5K9K.
SAE and e11 certified.
Voltage from: 12V - Voltage to: 24V - Power consumption: 12W
Length: 101mm - Width: 43mm - Height: 74mm
Prot.type (IP Code): IP67 - Registration Type: ECE approved - Fulfils ECE norm.: R28
Product Specifications
- Brand
- Hella
- Model
- 3SL 009 148-021
- Colour
- Black
- Format
- Automotive
- ASIN
- B00EL6REVW
- Domain
- Amazon UK
- Release Date
- 15 January 2016
- Listed Since
- 17 August 2013
Barcode
No barcode data available
Similar Products You Might Like
HELLA 3SL 996 139-301 Back-up Alarm BM30 - 112dB(A) - Loud Tone - ECE - Housing Colour: Black - Cable: 150mm - Quantity: 1
Hella
HELLA 3SL 996 139-001 Back-up Alarm - 87dB(A) - Frequency Range: 1200Hz - Bolted - Cable: 159mm - Plug: open cable ends - Quantity: 1
Hella
HELLA Signal Horn - PERFORMANCE HORN B133 SET - 12V - 118dB(A) - Frequency Range: 300/500Hz - Low Tone/High Tone - Electric - Housing Colour: Red/Black - Quantity: 2 - 3AG 003 399-801
Hella
HELLA 6PK 011 700-001 Sensor, battery management - 24V
Hella
HELLA 2SB 009 001-501 Rearlight - LED - 24V - Fitting/Bolted - Lens Colour: Crystal clear - Plug: AMP - left/right
Hella
HELLA 2BA 011 109-041 Direction Indicator - Halogen - Milk White - ECE - right
Hella
HELLA 2JA 007 373-161 Interior Light - LED - 12/24V - 4.8W - LED - 4000K - mounting - Lens Colour: Crystal clear - Interior - Quantity: 1
Hella
HELLA 2SB 013 236-371 Rearlight - LED - 24V - Fitting/Screw Connection - Lens Colour: transparent - Cable: 100mm - Plug: Blade Terminal - right/left - Quantity: 1
Hella
HELLA 2SB 959 821-601 Rearlight - EuroLED - LED - 24/12V - mounting/Bolted - Lens Colour: Red - LED colour: Red - Cable: 2500mm - Plug: open cable ends - left/right - Quantity: 1
Hella
HELLA 2RL 008 060-111 Halogen-Rotating Beacon - KL 7000 - 24V - Yellow - Pipe-neck
Hella
HELLA 5HE 996 152-151 Zeitrelais - 12V - Anschlussanzahl: 5 - Wechsler
Hella
HELLA 6JB 003 959-021 Ignition-/Starter Switch - Turn knob control - 12/24V - 10-pin connector - On/Off Switch/Start/Preheating
Hella
HELLA 2JA 007 373-311 Interior Light - LED - 24V - 4.8W - LED - 4000K - mounting - Lens Colour: Crystal clear - Interior - Quantity: 1
Hella
HELLA 2RL 008 060-101 Halogen-Rotating Beacon - KL 7000 - 12V - Yellow - Pipe-neck
Hella
HELLA VALUEFIT 1FE 358 154-031 LED-Spotlight - 450 - 12/24V - rectangular - Reference number: 12.5 - mounting/Bolted - Clear diffusing lens - Lens Colour: Crystal clear - Cable: 800mm - left/right
Hella
HELLA Signal Horn - PERFORMANCE HORN B133 SET - 12V - 118dB(A) - Frequency Range: 300/500Hz - Low Tone/High Tone + Signal Horn - STYLE HORN S90 SET - 12V - 111dB(A) - Frequency Range: 350/415Hz
Hella
HELLA 2SK 004 460-031 Rearlight - Bulb - 12V - Fitting/Bolted - Lens Colour: Multi-coloured - Plug: Blade Terminal - right/left - Quantity: 1
Hella
HELLA 2VB 980 720-401 Rearlight - LED - 24/12V - mounting/Bolted - Lens Colour: Red/transparent - Cable: 500mm - Plug: DEUTSCH plug - right/left - Quantity: 1
Hella
HELLA 2VA 980 720-001 Rearlight - LED - 12/24V - mounting/Bolted - Lens Colour: Red/transparent/transparent - Cable: 500mm - Plug: open cable ends - right/left
Hella
HELLA 2VA 998 233-271 Rearlight - Bulb - 12V - mounting/Bolted - Lens Colour: White / Red - Cable: 200mm - Plug: Round Plug - left - Quantity: 1
Hella
HELLA 2SB 009 362-311 Rearlight - LED - 12V - mounting/Screw Connection - Lens Colour: Crystal clear - Cable: 250mm - Plug: AMP - right/left
Hella
HELLA 6EK 002 843-121 Main Switch, battery - Turn knob control - 24V - Number of connectors: 2 - Bolted - Normally Open Contact - Oval
Hella
HELLA 6EK 001 559-001 Main Switch, battery - Turn knob control - Number of connectors: 2 - Bolted - Normally Open Contact - Thread Pitch: 1.5mm
Hella
HELLA 2AB 004 532-051 Reading Light - Xenon - 24V - Fluorescent Lamp - mounting - Lens Colour: Crystal clear
Hella