Genuine 1K0905849B Ignition Switch

Genuine Ignition Switch 1K0905849B

This Genuine ignition switch is a direct-fit replacement for select Audi and Volkswagen models that use part number 1K0905849B. It is built for vehicles that need a reliable ignition switch assembly to restore proper key-to-start operation and consistent electrical switching.

Key Features

• Genuine OE replacement ignition switch
• Part number: 1K0905849B
• Fits select Audi A3, A3 Quattro, R8, TT, and TT Quattro applications
• Fits select Volkswagen GTI, Jetta, Golf, Eos, Tiguan, and R32 applications
• Direct fit for vehicles listed in the fitment data

Detailed Description

Use this ignition switch when the original unit no longer turns or sends the correct signal through the ignition circuit. The Genuine 1K0905849B is listed for 2005-2013 model years across multiple Audi and Volkswagen platforms, including 2006-2013 Audi A3 and A3 Quattro, 2008-2012 Audi R8, 2008-2012 Audi TT Quattro, 2008-2009 Audi TT, 2006-2013 Volkswagen GTI, 2005 and 2006-2013 Volkswagen Jetta, 2010-2012 Volkswagen Golf, 2007-2011 Volkswagen Eos, 2009-2010 Volkswagen Tiguan, and 2008 Volkswagen R32. If you are searching for an ignition switch for Audi A3 or Volkswagen Jetta applications, this part number should be matched to the vehicle’s exact build details.

What It Helps Solve

• Intermittent or failed key-to-start ignition operation
• No-start conditions caused by a worn ignition switch
• Electrical accessory or ignition circuit switching issues
• Inconsistent power delivery at the ignition position
• Replacement needs for a damaged OE switch assembly

Installation Notes and Tips

Verify the part number 1K0905849B against the original switch before installation. Confirm the vehicle’s year, make, model, and build date, especially for 2005 Volkswagen Jetta from 1/05 and 2009 Volkswagen Eos through 11/1/09. Professional installation is recommended so the ignition system is reassembled and tested correctly after replacement.

Quality Assurance

Genuine OE-style replacement part for the listed applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.