Hella Indicator Turn Signal Bulb - BAY15d 24V 21/5W

IMPORTANT: Please verify fitment and measurements before purchasing. Check your vehicle's specific...

Best current price£0.77from Autodoc

All Offers

2 offers from £0.77 - £8.01

View price history by clicking the chart icon.

AutodocHELLA Light Bulbs MERCEDES-BENZ,VOLVO,MAN 8GD 002 078-241 10601583,14928008026,5350660910 Bulb, indicator 8131027,151000957,2928305,1354879,5246777
£8.45 delivery
£0.77
Visit shop
eBayLateral Installation HELLA 8GD 002 078-241 Bulb, brake/tail light for IRISBUS,MA
Free delivery in 1–3 days
£8.01
Visit shop

Product Information

Full details

This Hella Bulb, direction indicator (Part Number: 8GD 002 078-241) is designed for Mercedes-Benz ACTROS trucks, offering OE-quality standards for reliable performance. It's ideal for truck owners needing a direct replacement for their indicator lights. A key benefit is its exact fitment and robust construction. However, it is crucial to verify measurements and vehicle specifications before purchasing, as variations exist across models and years.

All features

Model Part Number8GD 002 078-241
BrandHella

Extended Product Information

FAQs

What specific Mercedes-Benz ACTROS models is this bulb compatible with?

This bulb is compatible with various Mercedes-Benz ACTROS models between 1997 and 2005, including specific variants like 1846 S, 1831 AK, 1835 K, 1860 L, and others. It is crucial to check the detailed compatibility table and any specific measurement notes for your exact truck configuration.

What does the '21/5W' rating mean for this bulb?

The '21/5W' rating indicates that the bulb has two filaments. The 21W filament is typically used for the brighter function (like turn signals or brake lights), while the 5W filament provides a lower light output for functions like tail lights or parking lights.

Can this bulb be used in a 12V system?

No, this bulb is specifically designed for 24V systems. Using it in a 12V system will result in significantly dimmer light output, and attempting to use a 24V bulb in a 12V circuit designed for a 12V bulb may cause electrical issues.

What is the base type of this Hella bulb?

This Hella bulb features a BAY15d base, which is a type of bayonet fitting commonly used in automotive applications.

How do I ensure I am purchasing the correct bulb for my truck?

You must verify your vehicle's exact make, model, year, and variant against the compatibility list. Pay close attention to any notes requesting that you check measurements and dimensions, as variations can exist.

What is the main benefit of using Hella OE-quality bulbs?

The primary benefit is reliability and performance that matches the original equipment specifications, ensuring proper function and longevity in demanding commercial vehicle environments.

Does this bulb replace both the turn signal and tail light?

The 21/5W dual filament design means it *can* function as both, depending on how your specific vehicle's lighting system is wired. It will definitely serve as a turn signal (21W filament) and can serve as a tail light (5W filament) if your vehicle's lamp assembly is designed for a dual-filament bulb in that position.

Troubleshooting

Bulb does not light up

Ensure the bulb is correctly seated in the socket and fully twisted into place. Check the vehicle's fuse for the indicator circuit. Verify the vehicle's electrical system is functioning at 24V. Inspect wiring for damage.

Indicator light flashes too quickly or too slowly

This often indicates an issue with the indicator flasher unit or a loose connection. Check all related bulb connections. If the issue persists, the flasher unit may need replacement.

Incorrect fitment

Double-check the vehicle's specifications against the product's compatibility list and notes. Ensure you have the correct bulb type (BAY15d) and voltage (24V).

Bulb burns out prematurely

Ensure the voltage is stable at 24V and there are no voltage spikes. Avoid touching the glass of the bulb with bare hands during installation. Ensure the bulb is the correct wattage for the application.

Pros and Cons

Pros

  • Manufactured to original equipment standards for reliability.
  • Designed for precise fitment in specific Mercedes-Benz ACTROS models.
  • Durable construction suitable for commercial vehicle use.
  • Dual filament design offers versatility for various lighting functions.
  • Correct voltage (24V) for heavy-duty trucks.

Cons

  • Requires careful verification of vehicle specifications before purchase.
  • Compatibility is limited to specific Mercedes-Benz ACTROS variants.
  • May require professional installation if unfamiliar with automotive lighting.
  • Only suitable for vehicles with 24V electrical systems.

Setup, Compatibility & Care Instructions

Compatibility Verification: Before purchasing, meticulously check your vehicle's make, model, year, and specific variant against the compatibility list provided. Pay close attention to any notes regarding measurements and dimensions, as variations can occur even within the same model range. Ensure your vehicle uses a 24V electrical system and requires a P21/5W lamp with a BAY15d base.

Installation:

  1. Safety First: Ensure the vehicle's ignition is switched off and the lights are cool to the touch.
  2. Access the Bulb: Locate the indicator light assembly on your vehicle. This may involve removing a lens cover or accessing the assembly from behind the bumper or fender.
  3. Remove Old Bulb: Gently twist the old bulb counter-clockwise to release it from the socket. Avoid forcing the bulb.
  4. Install New Bulb: Align the pins on the Hella bulb with the slots in the socket and push it in gently. Twist the bulb clockwise to lock it in place.
  5. Test: Turn on the vehicle's ignition and test the indicator lights to ensure proper function.

Care:

  • Handle the glass part of the bulb with a clean cloth or glove to avoid transferring oils, which can shorten the bulb's lifespan.
  • Periodically check indicator lights for proper operation as part of routine vehicle maintenance.

Price History

DatePrice
Visit shop