Product Name: Audi High-Output Alternator (Generator) 180A OE / Cross-Reference Numbers: FG20S016 / FGN20S016 / 440439 / 03L903016AX / 03L903016A / 03L903017B / 03L903017BX / 439799 / 439771 / 440362 / LRA03396 / 2613304 / etc. (and related Valeo/Audi equivalents) Brand Compatibility: Valeo OEM-quality (new or remanufactured premium) – matches Audi genuine specifications Key Specifications:
- Voltage: 12V (14V charging system)
- Output Current: 180A (high-output for enhanced electrical demands)
- Pulley: 6-groove freewheel belt pulley (overrunning alternator pulley / OAP), diameter ≈51mm
- Rotation: Clockwise (CW)
- Regulator: Integrated with LIN/COM interface for Audi electronics
- Mounting: 4 mounting holes / direct bolt-on (R 90° position)
- B+ Connection: M8
Compatible Vehicles (common applications – always verify with VIN or dealer):
- Audi A4 B8 / B8.5 (2.0 TDI quattro / Allroad) 2011–2016
- Audi A5 / S5 (2.0 TDI) 2011–2017
- Audi A6 C7 / 4G (2.0 TDI quattro) 2011–2018
- Audi Q5 8R (2.0 TDI quattro) 2011–2017
- Other Audi models with 2.0L TDI engines (e.g., select A6 Avant, A4 Avant variants)
Product Highlights:
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Reliable 180A Output — Delivers consistent, high-capacity charging to support diesel luxury features like MMI navigation, premium audio, adaptive headlights, power seats, and quattro electronics without voltage drops or battery issues.
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Exact OEM Fit — Bolt-on replacement for Audi part 03L903016AX / Valeo FG20S016 / 440439. No modifications required; fully compatible with vehicle ECU, diagnostics, and diesel systems.
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Quiet & Durable — Freewheel pulley minimizes belt noise, wear, and vibrations for smooth, long-lasting performance in premium TDI applications.
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Premium Quality — Valeo-tested (remanufactured premium or new) for heat endurance, overspeed, and full-load reliability to match OE standards in demanding diesel conditions.
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Strong Value — Genuine Audi alternators are expensive – this high-spec replacement provides identical performance at a more competitive price.
Installation Notes:
- Professional installation recommended (engine bay access in these models).
- Inspect serpentine belt, tensioner, and battery condition before fitting.
- After installation: Clear codes with Audi/VAS diagnostic tool and verify charging voltage (typically 13.8–14.8V under load).
🔥 Audi A4 / A5 / Q5 180A Alternator – Power Your 2.0 TDI Diesel! OE Cross: FG20S016 / 440439 / 03L903016AX / 03L903017B – Valeo Premium Match! Perfect for B8 A4, C7 A6, 8R Q5 (2.0 TDI quattro, 2011–2018) – ends dim lights, weak charging, or electrical strain on your luxury diesel!
- 180A strong high-output
- 6-groove freewheel pulley – quiet & durable
- Direct OEM replacement
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