Automotive replacement bulbs for common bayonet fittings, the RING Car Light Bulb R207, match standard 12V, 5W lighting circuits. Drivers who need quick, reliable sidelight, tail light and number plate replacements will value a straightforward fit and bulk supply. Are the BA15S base and pack quantity the right fit for your vehicle?
⚡ At a Glance
- • Light Output: Rated 5W at 12V, suitable for conventional sidelights, tail lights and number plate illumination
- • Best for: Owners replacing bulbs that accept BA15S bayonet bases in standard 12V circuits
- • Not ideal for: Vehicles requiring higher-wattage lamps or dedicated LED upgrade kits
Part No 207 R5W is a single-filament bayonet bulb rated 12V and 5W with a BA15S base and straight opposite pins. Supplied as a 10-pack for multiple replacements or spares.
Simple, Secure Fit – With BA15S bayonet base
BA15S is a bayonet-style base with straight opposite pins at the same level that lock into matching sockets using a twist-and-lock action. The pin arrangement gives a firm mechanical and electrical connection when seated correctly.
Faster bulb changes and reduced wobble in the holder improve reliability and connection quality during normal road use.
Designed for Standard 12V Circuits – With 12V, 5W rating
A 12V, 5W filament design draws the expected current for common sidelight and number plate circuits in most cars. The electrical rating aligns with many original-equipment sidelight specifications.
Direct replacement for 12V/5W lamp holders avoids electrical mismatches and preserves intended circuit behaviour.
Ready-to-Use Spares – With a 10-bulb pack
Ten identical bulbs provided together allow multiple lamp replacements without repeat orders or interim shortages. The uniform part number and specification simplify matching across multiple lamp locations.
Useful for households, workshops or drivers who prefer to keep spares on hand to minimise downtime when bulbs fail.
✨ The 4 Key Reasons for RING Car Light Bulb R207
- BA15S bayonet base – Ensures secure twist-and-lock fit in standard sockets for easy bulb changes
- Straight opposite pins – Prevents incorrect seating and ensures consistent electrical contact
- 10-bulb pack – Provides multiple replacements, cutting trips to the parts supplier
- Part No 207 R5W identification – Helps match original replacements quickly when repairing lights
📋 Technical Details at a Glance
- Category: Automotive bulb replacement
- Part Number: 207 R5W
- Brand: RING
- Voltage: 12V
- Wattage: 5W
❓ Frequently Asked Questions
Q: Will these bulbs fit my car's sidelights?
A: Check that sidelight lamp holders accept a BA15S base and use a 12V, 5W bulb. If both match, these bulbs are a direct replacement.
Q: Do the pins match standard bayonet sockets?
A: Yes, the pin configuration is straight opposite pins at the same level designed for BA15S bayonet fittings.
Q: Are these suitable for tail lights and number plates?
A: Yes, the specification lists sidelight, tail light and number plate applications for Part No 207 R5W bulbs.
🏆 Our Verdict
Suitable for drivers and workshops needing straightforward BA15S replacements in conventional 12V circuits. The clear selling point is a standard 12V/5W filament design with a BA15S base and straight opposite pins supplied in a 10-pack for immediate spares. Bulk supply reduces the need for repeat purchases, offering practical long-term value for routine bulb maintenance.
