SAVE 24% ON PARTS

SAVE 24% ON PARTS

USE CODE: SAVE24

CODE: SAVE24

T&Cs apply. Ends in:

Ends in:

 11 days 

SAVE 24% ON PARTS

SAVE 24% ON PARTS

USE CODE: SAVE24

CODE: SAVE24

T&Cs apply. Ends in:

Ends in:

 11 days 
Sign In
Wish List
Car Service Parts & KitsCar BrakesEngine PartsSuspension & SteeringCar Transmission PartsCooling and HeatingCar Electrics and Car LightingBody & Exhaust PartsCar Lubricants and Fluids
Car AccessoriesCar Cleaning & AccessoriesCar Security & Safety EquipmentIn-Car TechCar MaintenanceCar Transmission Oils, Lubricants & FluidsCar ComponentsSummer EssentialsWinter Essentials
Performance Parts & Styling

Best Price Guarantee

Free Standard UK Delivery over £30*

250+ Collection Points

Excellent on Trustpilot

Save 24% on Car Parts with code SAVE24. Excludes Batteries, selected Oils, Car Mats, Clearance, Audura, Tools, Accessories, Performance Parts and Mega Buys. T&C's apply.

Bosch 581 12V PY21W Amber Bulb - Single Bulb
£4.09
Bosch 581 12V PY21W Amber Bulb - Single Bulb
Bosch 581 12V PY21W Amber Bulb - Single Bulb
Bosch 581 12V PY21W Amber Bulb - Single Bulb
Bosch 581 12V PY21W Amber Bulb - Single Bulb
Bosch

Bosch 581 12V PY21W Amber Bulb - Single Bulb

481775169
Available
Add postcode to check availability
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
£4.09
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Check product compatibility

Enter your reg or select your vehicle to check product compatibility

or
Please wait a short moment whilst we retrieve your vehicle details.
Product details

Bosch 581 12V PY21W Amber Bulb - Single Bulb

Need a reliable indicator bulb that delivers consistent visibility and long-lasting performance?
Designed with precision optics and advanced filament technology, this 12V, 21W bulb ensures bright, uniform illumination for enhanced safety and communication on the road. Constructed with durable materials, it resists vibration and thermal stress, maintaining optimal performance over extended use. The corrosion-resistant housing extends service life, while the PY21W lamp type and BAU15s socket ensure a secure fit and reliable operation. Ideal for workshops and DIY installations, this bulb combines efficiency with ease of use, reducing downtime and maintenance costs.

Product Detail:

  • Precision Engineering Features advanced filament technology for consistent brightness and long service life.
  • High Visibility Delivers bright, uniform illumination for clear signaling in all conditions.
  • Durable Construction Built with materials that resist vibration and thermal stress for extended reliability.
  • Corrosion Resistance Protects against environmental damage, ensuring consistent performance over time.
  • Easy Installation Designed for straightforward replacement with no modifications required.
  • Features:
  • PY21W 12V 21W - Single Bulb
  • For good illumination: value-based replacement of the most important vehicle bulbs
  • Use of robust materials and components: For good durability 
  • Good price-performance ratio: For great value, even for older vehicles
    • Specifications
    Bulb Ref No
    581
    Categories
    Brake Lights & Other Bulbs
    Colour
    Amber
    Guarantee
    12 months
    Type
    Standard Bulbs
    Voltage V
    12
    About Bosch
    Delivery & Returns
    Reviews
    0% Finance Available on purchases over £99. Subject to status. Terms and Conditions Apply.

    0% interest for 4 months on purchases over £99

    Balances after this period or transactions under £99 are charged interest at the standard variable rate. The minimum payment due still applies to 0% offer balances. Any remaining balance due after the 4-month promotional period or any transactions under £99.00 will be charged interest at 23.9% p.a. (variable). In order to maintain the 0% offer, you need to keep up monthly repayments and stay within your credit limit.

    Help