Osram 3757AK - Indicator Bulb - PY27/7W - 12V
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Product Information
Full details
The Osram 3757AK signal lamp is an ideal choice for vehicle owners seeking OEM-grade reliability for their indicator lighting needs. Designed to provide consistent performance and high brightness, this PY27/7W bulb is perfect for both front and rear signal applications; however, users should verify their vehicle's specific socket requirements before purchase to ensure proper compatibility.
All features
| Model Part Number | 3757AK |
|---|---|
| Brand | Osram |
Extended Product Information
FAQs
Is this bulb compatible with all vehicles?
No, it is specific to vehicles requiring a PY27/7W bulb with a W2.5x16q socket. Check your owner's manual for the correct bulb type.
Can I use this for my headlights?
No, the 3757AK is strictly designed for signaling applications and does not have the beam pattern or intensity for headlight use.
What is the expected lifespan of this bulb?
The Osram 3757AK has a rated lifetime of approximately 1,100 hours under normal operating conditions.
Does this bulb come in different colors?
This specific model (3757AK) is designed to meet standard indicator color requirements; ensure your lens housing is the appropriate color.
How should I dispose of used bulbs?
While these bulbs do not contain mercury like some fluorescent lights, check your local municipal regulations regarding household waste disposal.
Troubleshooting
Bulb does not light up after installation
Ensure the bulb is fully seated in the W2.5x16q socket and check that no electrical contacts are bent.
Rapid flashing (hyper-flashing) of the indicator
This is often due to the vehicle's flasher relay detecting a different resistance or a faulty connection; check for corrosion on the bulb socket pins.
Bulb flickers
Verify the socket is clean and the bulb is securely locked into the housing to prevent vibrations.
Pros and Cons
Pros
- Reliable OEM build quality
- Long operational service life of 1100 hours
- Versatile for front or rear use
- Excellent brightness levels for safety
Cons
- Requires specific W2.5x16q socket compatibility
- Pack size of 10 may be more than needed for single-bulb replacements
- Not intended for non-indicator applications
Setup, Compatibility & Care
Before installation, ensure the vehicle's electrical system is switched off to prevent short circuits. Access your vehicle’s light housing according to the manufacturer's manual. Remove the old bulb by gently twisting and pulling, then insert the Osram 3757AK into the W2.5x16q socket until it clicks into place. It is highly recommended to wear gloves when handling the bulb, as oils from human skin can create hot spots on the glass, which may reduce the bulb's lifespan. Always test the indicator signal immediately after installation before closing the housing cover.