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Automotive lighting replacements that restore clear number plate and interior illumination are available as Tek Automotive 239 C5W Bulb. Drivers gain reassurance that fittings and regulatory expectations are met so roadside checks feel less worrying. Are these the right replacements for your fixtures and dashboard warning lights?
⚡ At a Glance
- • Light Output: Consistent 5W illumination suited to number plate and small interior fittings
- • Best for: Owners seeking straightforward, like-for-like festoon replacements
- • Not ideal for: Drivers looking to upgrade to LED lighting solutions
Twin-pack festoon lamps rated 12V 5W with S8.5D 11x38mm fitting for number plate and interior use. E Marked construction and OE-spec manufacturing target correct legal and mechanical compatibility.
Road-legal lighting - thanks to E Marked certification
E Marked status indicates the bulbs meet relevant vehicle lighting approval standards and have passed conformity testing. Manufacturing to OE specifications aligns electrical and mechanical tolerances with original equipment.
Legal-compliant lamps reduce the risk of lighting-related failures during checks and ensure number plate illumination meets regulatory expectations.
Reliable fit and error clearance - with S8.5D 11x38mm festoon size and OE specification
The S8.5D 11x38mm designation describes the festoon form factor that matches many number plate and cabin lamp holders. OE-spec construction helps maintain correct contact, preventing intermittent connections.
Correct sizing and build quality help clear dashboard bulb-failure warnings and avoid loose or flickering lights once fitted.
Practical spare supply - with twin-pack packaging
Two identical 12V 5W festoon bulbs are supplied together, allowing immediate replacement of a failed lamp and keeping a spare on hand. Packaging supports straightforward swapping without searching for a match.
Having a ready spare means quick roadside or garage swaps and reduces the chance of being caught without a compatible bulb.
✨ The 4 Key Reasons for Tek Automotive 239 C5W Bulb
- OE-spec construction - Ensures accurate fit and consistent electrical performance every time.
- S8.5D 11x38mm fitting - Direct replacement for common festoon holders without any adapters.
- Twin pack supply - Keeps an immediate spare for quick roadside or garage swaps.
- User-verified fit - Reports of Fiat 500 compatibility and dashboard warning resolution.
📋 Technical Details at a Glance
- Category: Automotive Parts and Accessories
- Brand: Tek Automotive
- Model: 239 C5W Bulb
- Bulb Type: Festoon (C5W)
- Voltage: 12V
❓ Frequently Asked Questions
Q: Will these bulbs fit my car's number plate light?
A: They are S8.5D 11x38mm festoon bulbs, so they fit fixtures that require that specific size; user feedback cites a Fiat 500 as an example of a compatible fit.
Q: Are these bulbs road-legal?
A: E Marked certification is listed, indicating conformity with the relevant vehicle lighting standards for legal road use.
Q: Can fitting these bulbs clear dashboard bulb warnings?
A: Some users report that switching to these bulbs cleared dashboard error warnings, suggesting correct fit can resolve bulb-failure alerts.
🏆 Our Verdict
Suitable for drivers who want simple, like-for-like replacements for number plate and interior lamps. E Marked approval combined with OE-spec construction ensures correct fit, consistent illumination and a legal-compliant result. With a twin pack and positive real-world feedback, long-term value comes from having an immediate spare and fewer trips to source matching bulbs.
