RING 12V PR21/5W Red Brake/Tail Bulb BAY15D ECE Approved

RING 12V PR21/5W Red Brake & Tail Bulb BAY15D ECE Approved (RB380R)

Replace your worn or failed rear light bulb with this genuine RING RB380R 12V PR21/5W Brake & Tail Bulb. Manufactured to original equipment standards, this high-quality dual-filament bulb provides reliable brake and tail light performance while maintaining full road legality.

Featuring a BAY15D offset pin bayonet base and finished with a red glass envelope, the RB380R is designed for vehicles that require a red dual-filament stop/tail bulb. Manufactured to ECE Regulation 37, it offers dependable illumination, excellent durability and direct plug-and-play installation with no modifications required.

Key Features

• Genuine RING Automotive product
• Part Number: RB380R
• 12 Volt
• 21/5 Watt dual filament
• PR21/5W bulb type
• BAY15D offset pin bayonet base
• Red glass brake & tail bulb
• ECE Regulation 37 approved
• Road legal replacement bulb
• OEM quality performance
• Direct replacement
• No wiring modifications required
• Suitable for brake and tail light applications
• Excellent reliability and long service life

Technical Specification

Vehicle Compatibility

This bulb is suitable for vehicles requiring a 12V PR21/5W BAY15D red brake and tail bulb. As fitment varies between vehicles, please check your owner's handbook or existing bulb before ordering.

Why Buy Genuine RING Bulbs?

RING Automotive is one of Europe's leading automotive lighting manufacturers, supplying high-quality replacement bulbs built to OE specifications. Every bulb is manufactured to stringent quality standards to provide reliable performance, excellent lifespan and consistent light output.

Package Contents

• 1 × Genuine RING RB380R PR21/5W Red Brake & Tail Bulb

Frequently Asked Questions

Is the RING RB380R road legal?
Yes. The RING RB380R is ECE Regulation 37 approved, making it fully road legal for use on UK and European roads when fitted in the correct application.

What bulb type is the RING RB380R?
The RB380R is a 12V PR21/5W dual-filament bulb with a BAY15D offset pin bayonet base and a red glass envelope.

What is a PR21/5W bulb used for?
A PR21/5W bulb combines two functions in one bulb: a 5W tail light and a 21W brake light. It is commonly fitted to the rear lights of many cars, vans and motorcycles.

Will this fit my vehicle?
This bulb is suitable for any vehicle that specifies a 12V PR21/5W BAY15D red bulb. As vehicle fitment varies, we recommend checking your owner's manual or the markings on your existing bulb before ordering.

Does this bulb require any modifications?
No. The RB380R is a direct replacement for the original bulb and installs straight into the existing bulb holder without any wiring or coding.

Why choose a genuine RING bulb?
RING Automotive is a trusted manufacturer of OEM-quality automotive lighting. Their bulbs are built to meet strict quality standards, providing reliable performance, consistent brightness and long service life.