Valeo 439559 Alternator

Valeo 439559 Alternator Overview

The Valeo 439559 alternator is a 12-volt charging system component built for BMW M5 and BMW M6 applications from 2006-2010. As part of the Valeo OE alternator family, it uses an internal fan, internal regulator, clockwise rotation, and a 6-groove pulley to support stable electrical output in demanding driving conditions.

Valeo has supplied original equipment electrical components since 1923, and this premium alternator is 100% new. The design focuses on consistent charging performance, reduced voltage drop, and dependable operation for BMW M5 and BMW M6 models that require a 170 amp alternator.

Key Features

• 12-volt alternator with 170 amp amperage rating
• Valeo OE family construction for OE-style electrical performance
• Internal fan and internal regulator
• Clockwise rotation direction
• 6-groove pulley configuration
• Aluminium housing for durable fit and heat management
• Technical number TG17C011
• Part number 439559 for ordering and cross-reference use

Product Line Details

The Valeo Alternator line is focused on OE-level charging system replacement parts. For BMW M5 and BMW M6 owners, the Valeo 439559 provides the electrical output and configuration needed for vehicles equipped with the factory-style 170 amp alternator setup. This part number 439559 is also referenced by TG17C011 in interchange listings.

Detailed Description

Built for 2006-2010 BMW M5 and 2006-2010 BMW M6 applications, this alternator supports the vehicle’s charging system by converting mechanical energy into electrical power for the battery and onboard electronics. The 12-volt design, internal regulation, and 170 amp output make it a direct-fit replacement choice for BMW charging system service where OE supplier specifications matter. This Valeo 439559 alternator is engineered for clockwise rotation and uses a 6-groove pulley to match the listed application requirements.

This part cross-references BBB Industries 11262 and WAI 23319N for the same application.

What This Alternator Helps Address

• Battery warning lights caused by charging system failure
• Low charging output in BMW M5 and BMW M6 vehicles
• Voltage drop affecting electrical accessories and engine electronics
• Noise or wear related to a failing alternator assembly
• Starting issues linked to insufficient alternator output

Installation Notes and Tips

Verify pulley groove count, rotation direction, amperage rating, and regulator type before installation. Confirm the vehicle uses the listed BMW M5 or BMW M6 application and compare the original unit to the Valeo 439559 alternator before removal. Inspect the drive belt, belt tensioner, and charging system wiring during replacement to help ensure proper operation after installation.

Quality Assurance

Valeo is a long-standing OE supplier in electrical systems, and this premium alternator is supplied as a 100% new unit rather than a remanufactured part. That construction helps reduce the risk of premature failure and supports consistent charging performance in the listed BMW applications.

• Fits 2006-2010 BMW M5, N/A
• Fits 2006-2010 BMW M6, N/A