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Autodoc£1.06Visit shop HELLA Light Bulbs VW,MERCEDES-BENZ,OPEL 8GD 004 772-121 40150397,3430003,YY04500477212 Bulb, taillight
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This Hella Stop/Tail Light Bulb (8GD 004 772-121) is designed for vehicle owners needing a reliable replacement for their stop or tail light functionality. Its key benefit is OE-quality manufacturing ensuring an exact fit and dependable performance. A critical caveat is the need to verify exact vehicle fitment and measurements before purchase, as compatibility varies by specific make, model, and year.
| Model Part Number | 8GD 004 772-121 |
|---|---|
| Brand | Hella |
You must verify your vehicle's exact make, model, year, body type, and engine specifications against the compatibility list provided in the product description. Mismatches can occur even within the same model year.
The tail light provides continuous illumination when the vehicle's headlights are on, making the vehicle visible from behind. The stop light illuminates brightly when the brake pedal is pressed, signaling to other drivers that you are slowing down or stopping.
Installation is often a DIY task for those comfortable with basic auto maintenance. However, it's crucial to consult your vehicle's manual for specific instructions. If unsure, professional installation is recommended.
'OE-quality' means the part is manufactured to meet or exceed the standards set by the original equipment manufacturer, ensuring a level of performance and fit comparable to the part that came with your vehicle.
This part number refers to a single Hella Stop/Tail Light Bulb.
If the bulb does not fit, it indicates a compatibility issue. Double-check your vehicle's specifications against the product's compatibility list. If they appear to match, contact the seller or manufacturer with your vehicle details for clarification.
Ensure the bulb is correctly seated in its socket. Verify the vehicle's electrical system is functioning and check the relevant fuse for the stop/tail light circuit. If issues persist, reconfirm vehicle compatibility.
Check for loose connections at the bulb socket or within the wiring harness. Ensure the bulb is firmly seated. Vibration or corrosion in the socket can cause intermittent issues.
Verify that the correct bulb type is installed and that the vehicle's voltage regulator is functioning correctly. A faulty voltage regulator can overcharge the system and damage bulbs. Ensure the bulb was not handled with bare hands before installation.
Compatibility Verification: Before purchasing, it is essential to meticulously check your vehicle's specifications against the provided compatibility list. Ensure the make, model, year, body type, and engine variant precisely match. Pay close attention to any notes regarding specific trim levels or requirements.
Installation: Installation typically involves accessing the rear light cluster, often by removing trim panels or fasteners. The old bulb is usually removed by a quarter-turn twist or by pulling it straight out, and the new bulb is inserted and secured in the reverse manner. Always ensure the vehicle's electrical system is off before attempting installation. Due to the critical safety nature of brake and tail lights, if you are unsure about the installation process, consult a qualified mechanic or refer to your vehicle's specific service manual.
Care: As a sealed glass component, this bulb requires careful handling to avoid damage. Avoid touching the glass surface with bare fingers, as oils can reduce its lifespan. No specific cleaning is required for the bulb itself once installed, but ensure the lens of the light cluster remains clean for optimal light projection.
