Introdução
The OSRAM TRUCKSTAR PRO PY21W is a high-performance halogen signal lamp designed specifically for 24V commercial vehicles. This bulb serves as a reliable solution for various lighting functions, including signal lamps, brake lights, and rear fog lights. Engineered for demanding applications, the TRUCKSTAR PRO series offers enhanced durability and extended service life compared to standard 24V bulbs, making it an ideal choice for fleet operators and professional users seeking reduced maintenance and increased operational uptime.
Principais características:
- Proven reliability in millions of vehicles from leading automobile manufacturers.
- Delivers high brightness and consistent performance throughout its lifespan.
- Offers up to 100% longer lifetime compared to standard halogen lamps.
- Features very high vibration resistance, suitable for heavy-duty applications.

Image: OSRAM TRUCKSTAR PRO PY21W halogen signal lamp, packaged for commercial use.
Configuração e instalação
Installation of the OSRAM TRUCKSTAR PRO PY21W bulb should be performed with care. Always refer to your vehicle's owner's manual for specific instructions regarding bulb replacement procedures, as these can vary significantly between vehicle models.
- Segurança em primeiro lugar: Ensure the vehicle's ignition is off and the lights are switched off. Allow any existing bulbs to cool down before handling. Wear protective gloves to avoid transferring oils from your skin to the new bulb, which can reduce its lifespan.
- Acesse a lâmpada: Locate the light assembly (signal lamp, brake light, or rear fog light) on your commercial vehicle. Access typically involves opening the hood, trunk, or removing a panel, depending on the bulb's location.
- Remova a lâmpada antiga: Carefully twist or unclip the bulb holder from the light assembly. Gently pull the old bulb straight out from its socket. Avoid excessive force.
- Insira uma nova lâmpada: Align the base of the new OSRAM TRUCKSTAR PRO PY21W bulb with the socket. Push it firmly into place and then twist or clip the bulb holder back into the light assembly until it is secure. Ensure a snug fit to prevent vibration-related issues.
- Funcionalidade de teste: Before reassembling any covers or panels, turn on the vehicle's ignition and test the newly installed bulb to ensure it functions correctly.
- Remontar: Once confirmed operational, reattach any covers or panels removed during the installation process.

Imagem: Uma imagem detalhada view of the OSRAM TRUCKSTAR PRO PY21W halogen bulb, showing its orange glass and metal base.
Instruções de operação
The OSRAM TRUCKSTAR PRO PY21W bulb operates as a direct replacement for standard PY21W bulbs in 24V commercial vehicle electrical systems. Once correctly installed, its operation is integrated with your vehicle's existing lighting controls.
- Sinal Lamps: When activated via the turn signal lever, the bulb will flash to indicate a turn or lane change.
- Luzes de freio: The bulb will illuminate when the brake pedal is pressed, signaling deceleration to following vehicles.
- Rear Fog Lights: If your vehicle is equipped with rear fog lights and the function is activated, the bulb will provide enhanced visibility in adverse weather conditions.
This bulb is designed for optimal performance within 24V systems and complies with ECE regulation 37, ensuring it is fully road legal for its intended applications.

Image: The OSRAM TRUCKSTAR PRO PY21W halogen bulb glowing, demonstrating its light output.
Manutenção
The OSRAM TRUCKSTAR PRO PY21W bulbs are engineered for extended durability and reduced maintenance. However, periodic checks are recommended to ensure optimal performance and safety.
- Inspeção regular: Periodically check all exterior lights on your vehicle to ensure they are functioning correctly. This includes signal lamps, brake lights, and rear fog lights.
- Limpeza: Keep the light assembly lenses clean from dirt, mud, and debris to ensure maximum light output and visibility.
- Substituição: While TRUCKSTAR PRO bulbs offer a significantly longer lifespan, all bulbs will eventually require replacement. Replace bulbs in pairs if possible, especially for critical lighting functions, to maintain consistent light output and color.
- Manuseio: When replacing bulbs, avoid touching the glass part of the bulb with bare hands. Oils from your skin can create hot spots, leading to premature failure. Use a clean cloth or gloves.
Solução de problemas
If you experience issues with your OSRAM TRUCKSTAR PRO PY21W bulb, consider the following common troubleshooting steps:
| Problema | Possível causa | Solução |
|---|---|---|
| A lâmpada não acende |
|
|
| Bulb flickers or illuminates intermittently |
|
|
| A lâmpada queima prematuramente |
|
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Especificações
Detailed technical specifications for the OSRAM TRUCKSTAR PRO PY21W halogen signal lamp:
| Atributo | Valor |
|---|---|
| Marca | OSRAM |
| Número do modelo | 7510TSP |
| Tipo de lâmpada | PY21W (Halogen Signal Lamp) |
| Volumetage | 24 Volts |
| O quetage | 21 Watts |
| Cor | Laranja |
| Tipo de ajuste | Ajuste universal |
| Posição da peça automática | Traseira |
| Conformidade | ECE Regulation 37 |
| Dimensões | 3.13 x 2.18 x 1.95 polegadas (aproximadamente) |
| Peso do item | 0.44 onças (aproximadamente) |

Image: Performance comparison graphic highlighting the extended lifetime and increased brightness of TRUCKSTAR PRO bulbs over standard bulbs.
Informações de garantia
Specific warranty terms for the OSRAM TRUCKSTAR PRO PY21W bulbs are typically provided at the point of purchase or can be found on the official OSRAM website. Please retain your proof of purchase for any warranty claims. OSRAM stands by the quality and durability of its products, offering solutions designed for long-lasting performance in demanding environments.
Suporte ao cliente
For further assistance, technical inquiries, or support regarding your OSRAM TRUCKSTAR PRO PY21W bulbs, please visit the official OSRAM website or contact their customer service department. You can often find detailed product information, FAQs, and contact options on their support pages.
OSRAM Official Website: www.osram.com





