Vemo V10-23-0003 Alternator Pulley

Alternator Pulley for Audi and Volkswagen

The Vemo V10-23-0003 alternator pulley is an OE-style replacement for select Audi and Volkswagen charging systems. It is built for applications that use a 6-rib belt, a 17 mm bore, and clockwise rotation, with fitment across Audi A4, A4 Quattro, A5, A5 Quattro, Q5, A3 Quattro, TT Quattro, and Volkswagen CC, Passat, and R32 models.

VEMO product line parts are positioned for direct-fit electrical and charging system service, with application-specific dimensions and mounting details that matter on modern alternators. The V10-23-0003 is specified for vehicles using a 150 amp alternator in several Audi applications and for select Volkswagen models with OEM-grade fitment requirements.

• Part number: V10-23-0003
• Alternator pulley for charging system repair
• 6-rib belt design
• 17 mm bore diameter
• 49.5 mm diameter, 50 mm width, 45 mm height
• Clockwise rotation
• Torx bolt head/nut design
• M16 thread size
• Requires special tools for mounting

Fitment Details

• Fits 2015-2016 Audi A4, N/A; Grade: OEM - Made in Germany (Q+); 150 Amp. Alternator; VEMO
• Fits 2015-2016 Audi A4 Quattro, N/A; Grade: OEM - Made in Germany (Q+); 150 Amp. Alternator; VEMO
• Fits 2015-2016 Audi A5 Quattro, N/A; Grade: OEM - Made in Germany (Q+); 150 Amp. Alternator; VEMO
• Fits 2009-2016 Volkswagen CC, N/A; Grade: OEM - Made in Germany (Q+); VEMO
• Fits 2016 Volkswagen Passat, N/A; Grade: OEM - Made in Germany (Q+); VEMO
• Fits 2012-2014 Volkswagen Passat, N/A; Grade: OEM - Made in Germany (Q+); VEMO
• Fits 2006-2008 Volkswagen Passat, N/A; Grade: OEM - Made in Germany (Q+); VEMO
• Fits 2015 Volkswagen Passat, N/A; Grade: OEM - Made in Germany (Q+); Valeo Alternator; VEMO
• Fits 2013-2014 Audi A4, N/A; Grade: OEM - Made in Germany (Q+); For 150 Amp. Alternator; VEMO
• Fits 2013-2014 Audi A4 Quattro, N/A; Grade: OEM - Made in Germany (Q+); For 150 Amp. Alternator; VEMO
• Fits 2013-2014 Audi A5, N/A; Grade: OEM - Made in Germany (Q+); For 150 Amp. Alternator; VEMO
• Fits 2013-2014 Audi A5 Quattro, N/A; Grade: OEM - Made in Germany (Q+); For 150 Amp. Alternator; VEMO
• Fits 2009-2012 Audi A4, N/A; Grade: OEM - Made in Germany (Q+); VEMO
• Fits 2009-2012 Audi A4 Quattro, N/A; Grade: OEM - Made in Germany (Q+); VEMO
• Fits 2010-2012 Audi A5, N/A; Grade: OEM - Made in Germany (Q+); VEMO
• Fits 2010-2012 Audi A5 Quattro, N/A; Grade: OEM - Made in Germany (Q+); VEMO
• Fits 2011-2012 Audi Q5, N/A; Grade: OEM - Made in Germany (Q+); VEMO
• Fits 2009 Audi A3 Quattro, N/A; Grade: OEM - Made in Germany (Q+); VEMO
• Fits 2008-2009 Audi TT Quattro, N/A; Grade: OEM - Made in Germany (Q+); VEMO
• Fits 2008 Volkswagen R32, N/A; Grade: OEM - Made in Germany (Q+); VEMO

Common Replacement Uses

• Worn or noisy alternator pulley on Audi A4 or Audi A4 Quattro charging systems
• Charging irregularities tied to pulley slip or belt drive issues
• Alternator drive noise during engine start-up or idle
• Incorrect pulley fitment on 6-rib belt applications
• Service replacement for select Volkswagen Passat, CC, and R32 alternator assemblies

Installation Notes

Confirm alternator type, pulley dimensions, and rotation direction before installation. This pulley requires special tools for mounting, and the Torx drive plus M16 thread specification should be matched to the alternator assembly during service. Verify belt alignment and rib count after installation to maintain proper charging system operation.

Quality Assurance

Vemo VEMO electrical components are cataloged for OE-style fitment and application-specific service on European vehicles. Cross-reference part numbers for the same application include 03C 903 119 D and 03G 903 119 B. Part number V10-23-0003 is listed for select Audi and Volkswagen charging system applications.