ENSURE YOUR STOPS/TURNS ARE VISIBLE. RESTORE VIBRANT AMBER SIGNAL. GET THE ECE-CERTIFIED METAL BASE BULB.
The PY21W (also known as the 7507 or 581 bulb) is the standard single-filament halogen bulb used globally for Turn Indicators (Flashers) in vehicles with a dedicated amber bulb socket. It is distinguished by its amber color and its metal BAU15s base (Bayonet, Angled Pins), which ensures the bulb cannot be mistakenly inserted into a white light socket.
The HELLA PY21W Amber Lamp (Ref: 7507) is an OE-quality replacement. HELLA, the global German leader in vehicle electrics and lighting, ensures this bulb meets the rigorous ECE R37 regulations, guaranteeing consistent 21 Watt light output, precise filament geometry, and maximum visibility for crucial safety signaling.
This bulb is engineered for dependable, safe performance in a vast array of car models.
You are choosing reliability and guaranteed visibility for safety-critical communication on the road.
Guarantees Signal Visibility: The bright, ECE-compliant amber color and 21W output ensure your turn intentions are clearly visible in bright daylight and heavy traffic, maximizing safety.1
Prevents Mis-Installation: The BAU15s offset pin base is a critical design feature that only allows the bulb to be installed in the correct indicator socket, preventing potentially confusing and dangerous lighting errors.
Filament Durability: Built with robust materials to resist the shocks and vibrations of daily driving, offering reliable performance and minimizing premature failure.2
OE-Spec Quality: HELLA is a trusted OE supplier. This bulb provides the certified quality needed for vehicle safety at a competitive price.
Don't compromise safety with a dim or failed indicator. Always replace bulbs in pairs for symmetrical illumination.
Crucial Check: Verify your vehicle requires the single-filament PY21W Amber bulb with the BAU15s (angled pin) metal base.
Click "ADD TO CART" now and secure the HELLA PY21W Lamp—the essential OE-quality component for safe and reliable signaling.
Free Replacement for All Defected parts