Beck/Arnley Back Up Light Switch P/N:201-1838
Bring your reverse lamps back to life with the Beck/Arnley Back Up Light Switch 201-1864. This back-up switch threads into the transmission and closes the reverse-lamp circuit when the gear selector moves into reverse, sending power to the back-up lights so traffic and pedestrians can see you backing up. It's an application-specific replacement for the 2005-2008 Audi A4, 2002-2008 Audi A4 Quattro, 2002-2004 Audi A6 Quattro, 2002-2005 Audi Allroad Quattro, 2008-2012 and 2014-2015 Audi R8, 2007-2008 Audi RS4, 2004-2009 Audi S4, 2005-2008 Porsche Boxster, 2006-2012 and 2014-2016 Porsche Cayman, and 2002-2005 Volkswagen Passat — see the "Vehicles it fits" section for engine-level fitment.
Beck/Arnley focuses on OE-quality parts for foreign nameplates, giving you a confident, direct-fit repair. If a failed switch is the cause of back-up lights that won't turn on — or that stay on constantly — this part replaces it.
Interchange: 1S6983 · 01E941521A · S41296 · NS514 · 01E941521B · SW940
This part cross-references / interchanges with the following part numbers:
What does this back-up light switch do?
It closes the reverse-lamp circuit when the transmission is shifted into reverse, sending power to the back-up lights so your reverse lamps illuminate.
Which vehicles does the 201-1864 fit?
It's an application-specific fit for select Audi A4, A4 Quattro, A6 Quattro, Allroad Quattro, R8, RS4 and S4, plus Porsche Boxster and Cayman and the Volkswagen Passat. Check the "Vehicles it fits" section.
What are signs this switch may need replacing?
Back-up lights that stay off in reverse, or that stay on constantly, can signal a failed switch. Diagnose the cause first, since wiring or bulbs can also be at fault.
Does it connect to my factory wiring?
Yes. It's made to fit the OE wiring harness and plugs, matching the original equipment form, fit and function for a direct-fit installation.
What numbers does this switch interchange with?
It replaces 1S6983, 01E941521A, S41296, NS514, 01E941521B and SW940.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.