Standard Ignition

Standard Ignition US-350L Ignition Lock Cylinder

Brand Standard Ignition US-350L
Coding Coded
Instructions Included Yes
Keys Included Yes
Mounting Bracket(s) Included No
Mounting Location Column
Fits Seat, Audi, and Volkswagen · 40 vehicles

Coded lock cylinder. Includes keys for a ready-to-match ignition replacement.

Instructions included. Helps simplify installation and setup.

Cross-references Standard Ignition US-350L, 4D0905855D and 4D0905855E for the same application. See all 6.

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Ignition Lock Cylinder for Audi and Volkswagen

Restore secure key operation with the Standard Ignition US-350L ignition lock cylinder. This coded column-mounted replacement includes instructions and keys, making it a practical choice for select Audi and Volkswagen models that need a direct ignition lock service part.

Key Features

  • Standard Ignition US-350L ignition lock cylinder
  • Coded for proper key matching
  • Includes instructions for installation reference
  • Includes keys
  • Column mounting location
  • Fits select Audi A4, A6, A8, TT, S4, S6, S8, Allroad Quattro, A3, and Volkswagen Passat and Beetle applications

Product Details

The Standard Ignition US-350L is an ignition lock cylinder replacement for vehicles with a column-mounted ignition switch assembly. It is coded and supplied with keys, which helps simplify replacement when the original cylinder is worn, sticking, or no longer matches the vehicle’s ignition key. This part number, US-350L, also cross-references Standard Ignition US-350L for the same application.

Compatible fitment includes 1998 Volkswagen Passat; 1999-2001 Audi A4 and A4 Quattro; 1999-2002 Audi TT; 2000 Audi A8; 2000-2001 Audi S4; 2000-2002 Audi TT Quattro; 2000-2004 Audi A8 Quattro; 2001 Audi S6 and S8; 2001-2003 Audi A3; 2001-2005 Audi Allroad Quattro; 2003-2004 Audi A6 and A6 Quattro; and 2004 Volkswagen Beetle with programming required.

Common Issues This Part Can Address

  • Key will not turn smoothly in the ignition
  • Worn or damaged lock cylinder components
  • Lost or mismatched ignition key operation
  • Intermittent ignition engagement at the column
  • Need for a replacement cylinder during ignition service

Installation Notes and Tips

Verify the vehicle’s year, make, and model before ordering, since fitment varies across Audi and Volkswagen applications. The 2004 Volkswagen Beetle listing requires programming. Follow the included instructions during installation, and confirm the replacement cylinder matches the original column-mounted configuration before final assembly.

Quality Assurance

Standard Ignition supplies this ignition lock cylinder as a coded replacement part with keys included for the listed applications. The US-350L is built for direct service use in select Audi and Volkswagen ignition systems.

This part fits 40 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2005AudiAllroad Quattro2.7LV6N/A
2005AudiAllroad Quattro4.2LV8N/A
2004AudiA6N/A
2004AudiA6 QuattroN/A
2004AudiA8 QuattroN/A
2004AudiAllroad Quattro2.7LV6N/A
2004AudiAllroad Quattro4.2LV8N/A
2004VolkswagenBeetle1.8LL4N/ARequires Programming
2003AudiA3N/A
2003AudiA6N/A
2003AudiA6 QuattroN/A
2003AudiA8 QuattroN/A
2003AudiAllroad Quattro2.7LV6N/A
2003AudiAllroad Quattro4.2LV8N/A
2002AudiA3N/A
2002AudiA8 QuattroN/A
2002AudiAllroad Quattro2.7LV6N/A
2002AudiTTN/A
2002AudiTT QuattroN/A
2001AudiA3N/A
2001AudiA4N/A
2001AudiA4 QuattroN/A
2001AudiA8 QuattroN/A
2001AudiAllroad Quattro2.7LV6N/A
2001AudiS42.7LV6N/A
2001AudiS6N/A
2001AudiS84.2LV8N/A
2001AudiTTN/A
2001AudiTT QuattroN/A
2000AudiA4N/A
2000AudiA4 QuattroN/A
2000AudiA8N/A
2000AudiA8 QuattroN/A
2000AudiS42.7LV6N/A
2000AudiTTN/A
2000AudiTT QuattroN/A
1999AudiA4N/A
1999AudiA4 QuattroN/A
1999AudiTTN/A
1998VolkswagenPassatN/A
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — US-350L4D0905855D4D0905855ECS824LKS6824LLC63950