Brake Light Bulbs

Brake Light Bulbs are an essential part of a vehicle's rear lighting system, helping to alert other road users when the vehicle is slowing down or stopping. Commonly used as tail light bulbs, they provide dependable illumination and play a vital role in maintaining road safety. Available in a wide range of fitments and lighting technologies, these bulbs are designed to deliver reliable performance and long-lasting operation across many vehicle makes and models.

These bulbs are suitable for rear application use, including Rear tail light bulbs and rear tail light assemblies. One of the most common fitments is P21W Bulbs, which are also available as P21W LED Bulbs. Equivalent references include 382 Bulbs, 1156 Bulbs, and 7506 Bulbs. These feature a single-contact pin design with opposite locating pins on the bayonet base, ensuring secure installation and dependable performance. A popular example is Fiat 500 brake light bulbs, as many Fiat 500 models utilise this fitment for rear lighting replacement applications.

Another widely used option includes 380 Bulbs, P21 Bulbs, 1157 Bulbs, and Bay15d. These feature a bayonet fitting with a dual-contact base and offset locating pins, with one pin positioned slightly higher than the other to ensure correct fitment. A common vehicle application for this style of tail light replacement is Ford Fiesta brake light bulbs, where dual-filament functionality is frequently required within the rear lamp assembly.

Brake Light Bulbs are also available in larger wedge-style fitments such as W16W Bulbs, including W16W LED Bulbs, 921 Bulbs, T15 Bulbs, and 955 Bulbs. These are commonly used in modern vehicle lighting systems and provide reliable performance with straightforward installation. Additional wedge-style options include the dual-filament 580 Bulbs, T20 Bulbs, and 7443 Bulbs, alongside the single-filament W21W Bulbs, 582 Bulbs, and 7440 Bulbs, ensuring compatibility across a broad range of vehicle manufacturers.

We also stock P21/5W Bulbs, along with 3157 Bulbs, which are widely used in various rear lighting applications. Another recognised industry reference is P27/7W, which is commonly associated with similar stop and tail light configurations. Whether replacing a failed bulb or upgrading to a brighter LED alternative, selecting the correct fitment helps ensure dependable performance, optimal visibility, and continued road safety.