Valeo 439551 Alternator

Overview of Valeo Alternator 439551 for Mercedes-Benz B200

The Valeo Alternator 439551 is designed specifically for the Mercedes-Benz B200, providing reliable 12-volt electrical charging performance. Engineered with an internal fan and regulator, this alternator supports efficient power generation and consistent vehicle operation.

• Voltage: 12V for standard automotive electrical systems
• Internal fan type for optimized cooling
• Clockwise rotation direction
• Five-groove pulley for secure belt engagement
• Durable aluminium housing for heat dissipation and longevity
• Internal regulator for stable voltage output
• Amperage rating of 115A to meet vehicle power demands
• Technical number Tg11c074 for precise identification

Detailed Product Description

This Valeo Alternator 439551 belongs to the Valeo oe family, ensuring original equipment quality and compatibility with the Mercedes-Benz B200. The alternator features a robust aluminium housing that aids in heat management, extending the component's service life. Its internal fan design enhances cooling efficiency without requiring additional external components. The clockwise rotation and five-groove pulley configuration align with the B200’s engine specifications, ensuring proper belt alignment and tension. With an internal voltage regulator, this alternator maintains consistent electrical output, protecting the vehicle’s battery and electrical system from voltage fluctuations. The 115-amp rating supports the electrical load of the Mercedes-Benz B200, including lighting, infotainment, and engine management systems.

Valeo Alternator Product Line

The Valeo Alternator product line focuses on delivering OE-quality charging components that meet or exceed manufacturer specifications. This line emphasizes durability, precise fitment, and reliable electrical performance. The 439551 alternator exemplifies these qualities, providing a direct replacement solution for Mercedes-Benz B200 owners requiring dependable charging system components.

Common Applications and Issues Addressed

• Replacement for failing or underperforming alternators in Mercedes-Benz B200
• Resolves battery charging problems and electrical system malfunctions
• Addresses issues with dimming headlights or electrical accessories
• Eliminates irregular voltage output that can damage vehicle electronics
• Prevents engine stalling caused by insufficient electrical power

Installation Notes and Tips

• Ensure compatibility with Mercedes-Benz B200 model year before installation
• Disconnect the battery prior to alternator removal to avoid electrical shorts
• Inspect and replace serpentine belt if worn, matching the five-groove pulley design
• Verify clockwise rotation direction matches engine requirements
• Test charging system after installation to confirm proper operation

Quality Assurance and Warranty

Valeo alternators, including part number 439551, are manufactured to meet strict OE standards for fit, form, and function. The aluminium housing and internal components undergo rigorous testing to ensure durability and performance under typical operating conditions. While specific warranty details may vary, Valeo products generally come with a limited warranty covering defects in materials and workmanship, providing confidence in the product’s reliability for Mercedes-Benz B200 applications.