OEM Valeo Voltage Regulator w/Brushes 599127 for Audi Mercedes FG23S021, FG23S039, FG23S061, FG23S013

Restore charging system reliability and stop electrical issues with this original equipment OEM Valeo Voltage Regulator w/Brushes. Engineered specifically to rebuild and service factory alternators, this direct-fit replacement ensures proper voltage regulation, precise LIN-bus communication with your vehicle’s onboard computer, and long-lasting brush contact life without having to buy a costly complete alternator assembly.

Component-Specific Technical Data

• Component: Voltage Regulator with Brushes
• Brand: OEM Valeo
• Manufacturer Part Number: 599127
• System Voltage: 12 Volt
• Circuit Type: B-Circuit
• Communication Type: LIN
• OEM Replacements: Audi 059903803L, Mercedes-Benz A0041540706, Valeo 2714125, 2610618, 599127, 599183
• Aftermarket Crossovers: W082-149N, 09785OE, M183, 80085547

Cross-Reference Alternator Assemblies (Fitted Units)

• Audi: 059-903-019, 059-903-019-X, 059-903-019X
• Mercedes-Benz: 014-154-10-02, 014154100287, A014-154-10-02, 000-906-22-00, 000906220064, A000-906-22-00, 014-154-34-02, A014-154-34-02
• Valeo: FG23S021, FGN23S021, 439689, 440274, FG23S039, FGN23S039, 439742, 440332, FG23S061, FGN23S061, 439756, 440346, 2613763B, FG23S013, FGN23S013, 440273, 285947
• Lester: 11581 (PIC# 208-5015), 11807 (PIC# 208-5083), 20648 (PIC# 208-5202), 20738 (PIC# 208-5203)
• PIC (Old): 220-5768, 220-5766, 208-1040

Vehicle Application Details

• Audi A6 Quattro: 2014–2015 V6 3.0L (Alternator Lester 20648 208-5202)
• Audi A7 Quattro: 2014–2015 V6 3.0L (Alternator Lester 20648 208-5202)
• Mercedes-Benz CL550: 2011–2014 V8 4.7L (Alternator Lester 11581)
• Mercedes-Benz CL63 AMG: 2011–2014 V8 5.5L (Alternator Lester 11807)
• Mercedes-Benz S500: 2024 L6 3.0L (Alternator Lester 11581)
• Mercedes-Benz S63 AMG: 2011–2013 V8 5.5L (Alternator Lester 11807)

Concluding Worry-Free Promise

At DIYAlternator.com, we specialize exclusively in high-grade charging system components built to fit right the first time. Every replacement component is manufactured to meet or exceed strict OEM specifications for flawless fitment and long-term durability. If you have questions about fitment or need assistance verifying your alternator part numbers, our dedicated technical support team is here to ensure you get the exact part you need to get back on the road with complete confidence.