Automotive lighting replacement that restores clear stop and tail signalling, supplied as GADLANE Car Bulb BAY15d. Drivers gain confidence from legal compliance and straightforward fit for routine maintenance. Are these the practical, road-ready spares worth keeping in the garage?
⚡ At a Glance
- • Light Output: Dual-filament 21/5W configuration for stop and tail functions
- • Best for: Motorists and workshops needing reliable, standard replacement bulbs
- • Not ideal for: Specialist LED or adaptive lighting upgrades that require different fittings
Dual-filament 21/5W 12V bulbs with a BAY15d base supplied in a pack of ten. E-marked certification confirms suitability for road use and conforms to standard equipment fitting.
Legal and road-ready lighting – with E-marked certification
E-marking indicates compliance with regulatory standards for road use and ensures the bulbs meet required signalling performance. Certification confirms suitability for public roads.
Legal compliance reduces the risk of failing an inspection and reassures drivers that stop and tail lamps meet accepted standards.
Straightforward swap-in fit – with original-equipment manufacturing and fitting
Manufactured to original equipment standards and fitting, matching the BAY15d base and 21/5W electrical specification. Design aligns with common vehicle sockets for direct replacement.
Quick installation allows roadside or garage replacement without adapters, helping to restore proper lighting quickly.
Bulk replacements and peace of mind – with pack of 10 and 12-month guarantee
Pack of ten bulbs provides multiple spares suitable for fleet, workshop, or home stock. A 12-month guarantee covers manufacturing faults for the first year.
Buying in bulk keeps vehicles on the road and the guarantee offers modest protection against early defects.
✨ The 4 Key Reasons for GADLANE Car Bulb BAY15d
- E-marked certification — Ensures legal use on public roads in the UK and beyond
- Manufactured to OE standards — Promotes correct fit and avoids common installation issues
- Pack of 10 — Supplies multiple replacements for several vehicles or workshop use
- 12-month guarantee — Covers manufacturing faults for a full year for added reassurance
📋 Technical Details at a Glance
- Category: Automotive Parts and Accessories
- Type: Stop & Tail Light Bulb
- Base: BAY15d
- Wattage: 21/5W
- Voltage: 12V
❓ Frequently Asked Questions
Q: Are these bulbs legal for road use?
A: Yes. The bulbs are E-marked and explicitly stated as suitable for road usage.
Q: Will these fit my vehicle?
A: The bulbs use a BAY15d base and 21/5W, and they are manufactured to original equipment standards and fitting; user feedback also notes they fit many vehicles including motorcycles. Verify your vehicle requires a BAY15d/P21/5W 12V bulb before purchase.
Q: Is there warranty coverage?
A: A 12 month guarantee is included, covering manufacturing faults for one year.
🏆 Our Verdict
These bulbs suit motorists, garages and fleet operators needing standard, road-legal replacements for stop and tail lighting. E-marked compliance combined with original-equipment fitting and bulk packaging is the main selling point. With a pack of ten and a 12-month guarantee, the set represents a practical, value-focused choice for routine maintenance and spares.
