Alternator Rebuild Kit for A6 Quattro S6 4.2L 150 Amp Bosch 0123520021, 0123520026 - 11108RK-A

Need to rebuild your vehicle's alternator? This premium rebuild component kit is engineered to meet or exceed original factory specs, ensuring a perfect fit and long-lasting charging performance.

🚘 Vehicle Application Details

• Audi:
  • A6 Quattro V8 4.2L (2000-2004)
  • S6 V8 4.2L (2002-2003)

🔍 Cross-Reference Alternator Assemblies (Fits These Units)

• Audi / Volkswagen OE: 038-903-018D, 038-903-018DX, 077-903-015L, 077-903-015P, 038903018D, 077903015L
• Bosch OE: 0 123 520 021, 0 123 520 026, 0123520021, 0123520026
• Bosch Reman: AL0797X
• Lester / PIC References: Lester 11108 | PIC 220-5036C
• Other Crossovers: Excel 10380

📐 Component-Specific Technical Data

⚡ Voltage Regulator Specs

• Technical Specifications: 12 Volt, 14.3 Voltage Set Point, A-Circuit, for Bosch
• Replaces OEM: Audi / Volkswagen 028903803E, 028903803G | Bosch 1197311511, 1987237078 | Marelli 940038024
• Aftermarket Crossovers: W080-23, 230-24064, VRB235, MFVR00410, BO-1783, 80201186, IB511

⚡ Drive End Bearing (Front) Specs

• Industry Number: 55224 / B17-99D
• Dimensions: 17mm ID x 52mm OD x 17mm W
• Replaces OEM: Bosch 1120905012, 1120905054, 1120905055, 1120905084, 1120905089, 1120905094, 1120905510, 1120905520, 1120905531, F00M990414, F00M990417, F00M990434
• Interchange Numbers: 55224, 10-3043-4W

⚡ Rotor SRE Bearing (Rear) Specs

• Industry Number: 54000 / 6203
• Dimensions: 17mm ID x 40mm OD x 12mm W
• Replaces OEM: Bosch 1120905013, 1120905041, 1120905080, 1120905083, 1120905091, 1120905525, 1120905534, 1900905203, 1900905209, 1900905227, 1900905271, 1900905273, 1900905277, 1900905281, 1900905384
• Interchange Numbers: 54000, 6-203-4W

⚡ Bearing Tolerance Ring Specs

• Dimensions: 40mm ID x 43mm OD x 16.5mm OAL
• Application: Used with 6203 bearing
• Replaces OEM: Bosch 1120591076, 1120591103 | Volvo 9130106, 9130106-9
• Interchange Numbers: 130-07016, W110-39, 5652, 46-91552

⚡ Slip Ring Specs

• Dimensions: 7.1mm ID x 16.1mm OD
• Replaces OEM: Bosch 1124303007, F00M143019
• Interchange Numbers: 313-24002, 7120202, 28-91852

❤️ Our Worry-Free Promise

Because automotive electrical parts are highly specific, we want you to buy with total confidence. If you tear down your alternator and realize you need a different size or configuration, don't sweat it. We offer easy, no-hassle returns and fast refunds. We are here to help your DIY build succeed!