![Lamp 1 Pole PY21W 12V 21W Amber [Osram] BAU15S](/web/image/product.product/10293/image_1024/%5BL196%5D%20Lamp%201%20Pole%20PY21W%2012V%2021W%20Amber%20%5BOsram%5D%20BAU15S?unique=8040d6d)
Lamp 1 Pole PY21W 12V 21W Amber [Osram] BAU15S
OE SIGNALING RELIABILITY: OSRAM PY21W 12V Amber Lamp (7507) – Original Equipment Quality.
ENSURE YOUR TURNS ARE SEEN. RESTORE BRIGHT AMBER SIGNAL. INSTALL THE ECE-CERTIFIED METAL BASE BULB.
The PY21W (also known as the 581 bulb) is the standard single-filament halogen bulb used globally for Turn Indicators (Flashers) in vehicles with a dedicated amber bulb socket.1 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.2
The OSRAM PY21W Amber Lamp (Global Ref: 7507) is the world-leading Original Equipment (OE) choice. OSRAM is the largest automotive bulb supplier globally.3 This lamp is rigorously tested to meet or exceed ECE R37 regulations, guaranteeing consistent 21 Watt light output, precise filament geometry, and maximum visibility for crucial safety signaling.
THE CORE SPECS: BAU15s Metal Base for Turn Indicators
This standard bulb is engineered for dependable, safe performance in a vast array of car models.4
| Specification | Detail | Direct Benefit to the Egyptian Driver |
| OSRAM Global Ref. | 7507 (Also PY21W) | OE Standard. The exact bulb supplied to most European and Asian vehicle manufacturers worldwide. |
| Bulb Type | PY21W | Single Filament, High Output. Dedicated 21W bulb for a clear, rapid amber flash signal. |
| Voltage/Wattage | 12V / 21W | OE Power Match. Ensures the correct power draw and light intensity for the vehicle’s indicator system. |
| Base Type | BAU15s (Metal Bayonet, Offset Pins) | Safety Feature. The angled pins prevent incorrect installation into a brake/tail light socket (BA15s). |
| Luminous Flux (Nominal) | 280 Lumens | Clear Visibility. Delivers the correct, legally mandated light output for clear turn signaling. |
| Certification | ECE Reg 37 Compliant | Fully Road Legal. Guarantees compliance with all European safety and performance standards. |
| Origin | OSRAM | Global OE Quality. Reliability and consistency from the world's number one automotive bulb manufacturer. |
WHY OSRAM PY21W IS YOUR CRITICAL PURCHASE NOW
You are choosing uncompromising, certified OE quality for a primary safety feature.
Guaranteed 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.5
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.6
Best Price-to-Performance Ratio: As an OSRAM Original Line product, it offers the core, certified OE quality needed for vehicle safety at an excellent value.7
SECURE YOUR TURNING SIGNAL.
Don't compromise safety with a generic bulb. 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 OSRAM PY21W Lamp (7507)—the essential OE-quality component for safe and reliable signaling.
| Brand: Osram |
| Compatible Vehicles: Renault, Nissan, Opel, Fiat, Peugeot, Citroen, DS, Motorcycles, Other |