Valeo 439507 Alternator

Overview of Valeo Alternator 439507 for BMW Vehicles

The Valeo Alternator 439507 is designed to provide reliable electrical charging for select BMW models, including the 528i, X5, and Z3. Engineered with a 12-volt system and internal fan type, this alternator supports efficient power generation and vehicle performance.

• Voltage: 12V for standard automotive electrical systems
• Internal fan type for optimized cooling
• Clockwise rotation direction
• 6-groove pulley compatible with serpentine belts
• Aluminium housing for durability and heat dissipation
• Internal regulator type for stable voltage output
• Amperage rating of 140A to meet electrical demands
• Technical number: Sg14b020

Detailed Features and Specifications

This Valeo Alternator 439507 is part of the Valeo oe family, ensuring original equipment quality and fitment. The aluminium housing enhances heat dissipation and structural integrity, while the internal fan type helps maintain optimal operating temperatures. The clockwise rotation direction and 6-groove pulley design are compatible with serpentine belt systems commonly found in BMW 528i, X5, and Z3 models. With an amperage rating of 140 amps, this alternator supports the electrical load of modern vehicle systems, including lighting, ignition, and onboard electronics.

Valeo Alternator Product Line

The Valeo Alternator product line focuses on delivering OE-quality charging components designed to meet manufacturer specifications. This line emphasizes durability, precise fitment, and consistent electrical output, making it suitable for replacement in BMW vehicles requiring reliable alternator performance. The internal regulator and fan design contribute to the overall efficiency and longevity of the alternator within this product line.

Common Applications and Problem Resolution

• Replacement for failing or underperforming alternators in BMW 528i, X5, and Z3
• Resolves issues with battery not charging properly
• Eliminates dim or flickering headlights caused by electrical faults
• Addresses warning lights related to charging system malfunctions
• Prevents vehicle stalling due to insufficient electrical power

Installation Notes and Tips

When installing the Valeo Alternator 439507, ensure compatibility with the vehicle’s serpentine belt system and verify the clockwise rotation direction. Proper torque specifications should be followed for mounting bolts to avoid damage. It is recommended to inspect the belt condition and tension during installation to maintain optimal alternator performance. Disconnect the battery before installation to prevent electrical shorts.

Quality Assurance and Warranty

Valeo alternators are manufactured to meet original equipment standards, providing reliable performance and durability. This alternator includes an internal voltage regulator and is constructed with high-quality aluminium housing for extended service life. Warranty coverage details should be confirmed with the parts distributor or manufacturer to ensure protection against defects.