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Stop light bulb for Auto

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Items: 122
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10/10 Based on over 233 customer ratings
Article №: 008528100000
MAGNETI MARELLI Bulb, stop light P21/4W, BAY15d, 12V, 21/5W
  • Lamp Type:  P21/4W
  • Voltage [V]:  12 Voltage [V]12
  • Rated Power [W]:  21/5 Rated Power [W]21/5
  • Socket Type:  BAY15d
  • Condition:  New
Show OEM numbers
26% Sale
£ 0,78**
£ 0,58
incl. 20% VAT, excl. delivery costs

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In stock
MAGNETI MARELLI Brake light bulb 008537100000
Bulb, stop light 008537100000
8.0/10 Based on over 24 customer ratings
Article №: 008537100000
MAGNETI MARELLI Bulb, stop light P21/4W, BAY15d, 24V, 21/5W
  • Lamp Type:  P21/4W
  • Voltage [V]:  24 Voltage [V]24
  • Rated Power [W]:  21/5 Rated Power [W]21/5
  • Socket Type:  BAY15d
  • Condition:  New
Show OEM numbers
26% Sale
£ 0,88**
£ 0,65
incl. 20% VAT, excl. delivery costs

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In stock
8.0/10 Based on over 67 customer ratings
Article №: 008529100000
MAGNETI MARELLI Bulb, stop light P21/4W, BAZ15d, 12V, 21/4W
  • Lamp Type:  P21/4W
  • Voltage [V]:  12 Voltage [V]12
  • Rated Power [W]:  21/4 Rated Power [W]21/4
  • Socket Type:  BAZ15d
  • Condition:  New
26% Sale
£ 0,98**
£ 0,73
incl. 20% VAT, excl. delivery costs

(Price per item)

In stock
10/10 Based on over 296 customer ratings
Article №: 5008
OSRAM ORIGINAL Bulb, stop light R10W, BA15s, 12V, 10W
  • Lamp Type:  R10W
  • Voltage [V]:  12 Voltage [V]12
  • Rated Power [W]:  10 Rated Power [W]10
  • Socket Type:  BA15s
  • Product line:  ORIGINAL
  • Condition:  New
26% Sale
£ 1,08**
£ 0,80
incl. 20% VAT, excl. delivery costs

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In stock
OSRAM ORIGINAL Brake light bulb 5008-02B
Bulb, stop light 5008-02B
8.0/10 Based on over 27 customer ratings
Article №: 5008-02B
OSRAM ORIGINAL Bulb, stop light R10W, BA15s, 12V, 10W
  • Lamp Type:  R10W
  • Voltage [V]:  12 Voltage [V]12
  • Rated Power [W]:  10 Rated Power [W]10
  • Socket Type:  BA15s
  • Quantity:  2
  • Product line:  ORIGINAL
  • Condition:  New
26% Sale
£ 2,78**
£ 2,06
incl. 20% VAT, excl. delivery costs

(Price per set of 2 pieces)

In stock
8.0/10 Based on over 12 customer ratings
Article №: 17882
NARVA Bulb, stop light P21/4W, BAZ15d, 24V, 21/4W
  • Lamp Type:  P21/4W
  • Voltage [V]:  24 Voltage [V]24
  • Rated Power [W]:  21/4 Rated Power [W]21/4
  • Socket Type:  BAZ15d
  • Condition:  New
26% Sale
£ 2,98**
£ 2,21
incl. 20% VAT, excl. delivery costs

(Price per item)

In stock
DIEDERICHS Brake light bulb LID10049
Bulb, stop light LID10049
8.0/10 Based on over 23 customer ratings
Article №: LID10049
DIEDERICHS Bulb, stop light PR21W, BA15s, 12V, 21W
  • Voltage [V]:  12 Voltage [V]12
  • Rated Power [W]:  21 Rated Power [W]21
  • Lamp Type:  PR21W
  • Socket Type:  BA15s
  • Bulb Colour:  Red
  • Condition:  New
26% Sale
£ 6,88**
£ 5,09
incl. 20% VAT, excl. delivery costs

(Price per item)

In stock
BOSCH Brake light bulb 1 987 302 814
Bulb, brake / tail light 1 987 302 814
10/10 Based on over 2576 customer ratings
Article №: 1 987 302 814
BOSCH Bulb, brake / tail light P21/5W, 12V, BAY15d, 21/5W
  • Lamp Type:  P21/5W
  • Voltage [V]:  12 Voltage [V]12
  • Rated Power [W]:  21/5 Rated Power [W]21/5
  • Socket Type:  BAY15d
  • Condition:  New
26% Sale
£ 1,08**
£ 0,80
incl. 20% VAT, excl. delivery costs

(Price per item)

In stock
8.0/10 Based on over 369 customer ratings
Article №: N566
NEOLUX® Bulb, brake / tail light P21/4W, 12V, BAZ15d, 21 / 4W
  • Lamp Type:  P21/4W
  • Voltage [V]:  12 Voltage [V]12
  • Rated Power [W]:  21 / 4 Rated Power [W]21 / 4
  • Socket Type:  BAZ15d
  • Condition:  New
26% Sale
£ 1,28**
£ 0,95
incl. 20% VAT, excl. delivery costs

(Price per item)

In stock
DIEDERICHS Brake light bulb LID10050
Bulb, brake / tail light LID10050
10/10 Based on over 981 customer ratings
Article №: LID10050
DIEDERICHS Bulb, brake / tail light P21/5W, 12V, Bay15d, 5W, 21W, Left and right
  • Lamp Type:  P21/5W
  • Voltage [V]:  12 Voltage [V]12
  • Rated Power [W]:  5, 21 Rated Power [W]5, 21
  • Socket Type:  Bay15d
  • Fitting Position:  Left and right Fitting PositionLeft and right
  • Condition:  New
Show OEM numbers
26% Sale
£ 1,28**
£ 0,95
incl. 20% VAT, excl. delivery costs

(Price per item)

In stock
TESLA Brake light bulb B52401
Bulb, brake / tail light B52401
8.0/10 Based on over 310 customer ratings
Article №: B52401
TESLA Bulb, brake / tail light P21/4W, 12V, BAZ15d, 21/4W
  • Lamp Type:  P21/4W
  • Voltage [V]:  12 Voltage [V]12
  • Rated Power [W]:  21/4 Rated Power [W]21/4
  • Socket Type:  BAZ15d
  • Condition:  New
Show OEM numbers
26% Sale
£ 1,38**
£ 1,02
incl. 20% VAT, excl. delivery costs

(Price per item)

In stock
10/10 Based on over 1317 customer ratings
Article №: 8GD 004 772-121
HELLA Bulb, brake / tail light P21/4W, 12V, BAZ15d, 21/4W
  • Lamp Type:  P21/4W
  • Voltage [V]:  12 Voltage [V]12
  • Rated Power [W]:  21/4 Rated Power [W]21/4
  • Socket Type:  BAZ15d
  • Inspection Tag:  E1
  • Quantity:  10
  • Packing Type:  Box
  • Condition:  New
Show OEM numbers
26% Sale
£ 1,38**
£ 1,02
incl. 20% VAT, excl. delivery costs

(Price per item)

In stock
CHAMPION Brake light bulb CBM43S
Bulb, brake / tail light CBM43S
8.0/10 Based on over 48 customer ratings
Article №: CBM43S
CHAMPION Bulb, brake / tail light P21/4W, 12V, BAZ15d, 21/4W
  • Lamp Type:  P21/4W
  • Voltage [V]:  12 Voltage [V]12
  • Rated Power [W]:  21/4 Rated Power [W]21/4
  • Socket Type:  BAZ15d
  • Bulb Colour:  transparent
  • Condition:  New
26% Sale
£ 1,58**
£ 1,17
incl. 20% VAT, excl. delivery costs

(Price per item)

In stock
DIEDERICHS Brake light bulb LID10071
Bulb, brake / tail light LID10071
8.0/10 Based on over 25 customer ratings
Article №: LID10071
DIEDERICHS Bulb, brake / tail light R10W, 12V, BA15d, 10W
  • Lamp Type:  R10W
  • Voltage [V]:  12 Voltage [V]12
  • Rated Power [W]:  10 Rated Power [W]10
  • Socket Type:  BA15d
  • Condition:  New
26% Sale
£ 1,58**
£ 1,17
incl. 20% VAT, excl. delivery costs

(Price per item)

In stock
NARVA Brake light bulb 178813000
Bulb, brake / tail light 178813000
8.0/10 Based on over 26 customer ratings
Article №: 178813000
NARVA Bulb, brake / tail light P21/4W, 12V, BAZ15d, 21/4W
  • Lamp Type:  P21/4W
  • Voltage [V]:  12 Voltage [V]12
  • Rated Power [W]:  21/4 Rated Power [W]21/4
  • Socket Type:  BAZ15d
  • Packing Type:  Box
  • Condition:  New
26% Sale
£ 1,68**
£ 1,24
incl. 20% VAT, excl. delivery costs
In stock
8.0/10 Based on over 61 customer ratings
Article №: 17881
NARVA Bulb, brake / tail light P21/4W, 12V, BAZ15d, 21/4W
  • Lamp Type:  P21/4W
  • Voltage [V]:  12 Voltage [V]12
  • Rated Power [W]:  21/4 Rated Power [W]21/4
  • Socket Type:  BAZ15d
  • Condition:  New
26% Sale
£ 1,68**
£ 1,24
incl. 20% VAT, excl. delivery costs

(Price per item)

In stock
BOSCH Brake light bulb 1 987 302 215
Bulb, brake / tail light 1 987 302 215
8.0/10 Based on over 206 customer ratings
Article №: 1 987 302 215
BOSCH Bulb, brake / tail light P21/4W, 12V, BAZ15d, 21/4W
  • Lamp Type:  P21/4W
  • Voltage [V]:  12 Voltage [V]12
  • Rated Power [W]:  21/4 Rated Power [W]21/4
  • Socket Type:  BAZ15d
  • Condition:  New
26% Sale
£ 1,78**
£ 1,32
incl. 20% VAT, excl. delivery costs

(Price per item)

In stock
NEOLUX® Brake light bulb N566-02B
Bulb, brake / tail light N566-02B
8.0/10 Based on over 25 customer ratings
Article №: N566-02B
NEOLUX® Bulb, brake / tail light P21/4W, 12V, BAZ15d, 21 / 4W
  • Lamp Type:  P21/4W
  • Voltage [V]:  12 Voltage [V]12
  • Rated Power [W]:  21 / 4 Rated Power [W]21 / 4
  • Socket Type:  BAZ15d
  • Quantity:  2
  • Condition:  New
26% Sale
£ 1,98**
£ 1,47
incl. 20% VAT, excl. delivery costs

(Price per set of 2 pieces)

In stock
8.0/10 Based on over 159 customer ratings
Article №: 032105
VALEO Bulb, brake / tail light P21/4W, 12V, BAZ15d, 21/4W, ESSENTIAL
  • Lamp Type:  P21/4W
  • Voltage [V]:  12 Voltage [V]12
  • Rated Power [W]:  21/4 Rated Power [W]21/4
  • Socket Type:  BAZ15d
  • Supplementary Info:  ESSENTIAL
  • Condition:  New
26% Sale
£ 1,98**
£ 1,47
incl. 20% VAT, excl. delivery costs

(Price per set of 2 pieces)

In stock
10/10 Based on over 935 customer ratings
Article №: 8GD 008 893-002
HELLA Bulb, brake / tail light W21/5W, 12V, W3x16q, 21/5W
  • Lamp Type:  W21/5W
  • Voltage [V]:  12 Voltage [V]12
  • Rated Power [W]:  21/5 Rated Power [W]21/5
  • Quantity:  10
  • Inspection Tag:  E4
  • Socket Type:  W3x16q
  • Packing Type:  Box
  • Condition:  New
Show OEM numbers
26% Sale
£ 2,18**
£ 1,61
incl. 20% VAT, excl. delivery costs

(Price per item)

In stock
Items per page: 20

Replace a Stop light bulb – a defective one or if the limit of use has been already reached. Find out useful information about Brake light bulb

Brake light bulbs: operation features

Brake light bulbs are the key elements of the light signals used to warn other drivers about slowing down or stopping. They have a direct impact on road safety, therefore, their proper functioning is required by law. As a source of light, conventional or halogen filament bulbs are used in brake lights.

Tips on how to choose, use and replace them

  • An average lifespan of filament bulbs used in brake lights is 250–650 hours, depending on the rated power of the part. However, there are items with extended service life. They can last for about 1,250–2,000 hours.
  • It is better to replace both components at once. As they have the same lifespan, burnout of one of them means the other one is soon going to become out of order as well. Besides, their light intensity decreases with time. Therefore, only replacing them in pairs allows to obtain lighting of the highest quality.
  • To make the brake lights well visible at day time, opt for halogen filament bulbs. They are certified by the ECE standards so they can be used on public roads. In comparison with conventional ones, they have a 60% higher luminous efficiency and high colour temperature which reaches 4,500 K.
  • Pay your attention to the colour of the bulb shell: clear bulbs are installed into the lights with a red lens, red bulbs – into white or clear ones.

Malfunctions of brake light bulbs, their causes and symptoms

  • Filament breakage. The reasons are expired service life, unstable voltage, use of incompatible or poor-quality components. The symptom is the absence of light when the lamps are switched on.
  • Soot deposits on the bulb shell. It is more relevant for halogen bulbs, especially if errors were made during their installation. Due to this, the bulb shell becomes dim and the light intensity decreases.

Buycarparts.co.uk is an ideal place for buying car parts

You can buy brake light bulbs at an advantageous price at our online shop. In our catalogue, you’re sure to find all the car parts you need. You can be confident of their high quality: we only offer products made by the manufacturers with an impeccable reputation.

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