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Valeo 439618 Alternator
| Brand | Valeo 439618 |
|---|---|
| 77.7 | |
| Amperage Rating | 180 |
| Family | Valeo OE |
| Fan Type | Internal |
| Housing Material | Aluminium |
| Pulley Belt Type | Serpentine |
| Pulley Groove Quantity | 5 |
| Regulator Type | Internal |
| Rotation Direction | Clockwise |
| Technical Number | FGN18S013 |
| Voltage | 12 |
| Product line | Alternator |
| Fits | Audi · 5 vehicles |
OE supplier pedigree. Valeo has supplied original equipment alternators since 1923.
100% new construction. Helps reduce the risk of premature failure.
Aluminium housing. Lightweight design with internal fan and regulator.
Cross-references Dixie Electric Ltd 15051, Remy 11424 and Remy 12951 for the same application. See all 7.
Valeo 439618 Alternator Overview
The Valeo 439618 alternator is a 12-volt charging system component built for consistent electrical output in supported applications. It uses an internal fan, internal regulator, and clockwise rotation, with a 5-groove pulley for serpentine belt systems.
Designed as part of the Valeo OE family, this alternator reflects Valeo’s long history in electrical systems and original equipment supply. It is a 180-amp unit with an aluminium housing and is supplied as a 100% new alternator to reduce the risk associated with remanufactured units.
Key Features
- 12-volt alternator for vehicle charging systems
- 180 amp output for higher electrical demand
- Internal fan and internal voltage regulator
- Clockwise rotation direction
- 5-groove pulley for serpentine belt drive
- Aluminium housing for durable construction
- Valeo OE family design
- Technical number: FGN18S013
Application Details
Compatible with 2008-2012 Audi S5 applications, including the 180 amp OE supplier configuration noted for this vehicle. This Valeo 439618 alternator is a direct-fit style replacement for Audi S5 charging system service where the original unit matches the listed specifications.
This part cross-references Remy 11424 and 12951 for the same application.
What This Alternator Helps Address
- Battery warning lights caused by weak charging output
- Dim lights or unstable electrical performance
- Charging system failure from worn internal components
- Voltage drop under accessory load
- Starting issues related to insufficient alternator output
Installation Notes
Verify pulley groove count, rotation direction, amperage rating, and regulator type before installation. Confirm the vehicle uses a serpentine belt drive and matches the listed Audi S5 application details. Inspect the belt, electrical connections, and charging system wiring during replacement to help ensure proper operation.
Quality Assurance
Valeo has supplied original equipment electrical components since 1923 and is recognized for OE alternator engineering. The 439618 is part of the Valeo OE line and is built as a new unit rather than a remanufactured assembly.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2012 | Audi | S5 | Base | 4.2L | V8 | N/A | VALEO IS THE OE SUPPLIER FOR THIS VEHICLE; 180 AMP; Alternator |
| 2011 | Audi | S5 | Base | 4.2L | V8 | N/A | VALEO IS THE OE SUPPLIER FOR THIS VEHICLE; 180 AMP; Alternator |
| 2010 | Audi | S5 | Base | 4.2L | V8 | N/A | VALEO IS THE OE SUPPLIER FOR THIS VEHICLE; 180 AMP; Alternator |
| 2009 | Audi | S5 | Base | 4.2L | V8 | N/A | VALEO IS THE OE SUPPLIER FOR THIS VEHICLE; 180 AMP; Alternator |
| 2008 | Audi | S5 | Base | 4.2L | V8 | N/A | VALEO IS THE OE SUPPLIER FOR THIS VEHICLE; 180 AMP; Alternator |
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