URO 321601173AZ37 Wheel Lug Bolt Cap

OE-Style Wheel Lug Bolt Cap for Audi

This URO wheel lug bolt cap is a specific-fit replacement for Audi applications that use a grey OE-style lug cover. Built from PA6.6 polymer, it is made to closely follow the exterior shape of the original wheel lugs or nuts for a clean, factory-like appearance. Part number 321601173AZ37 is a direct-fit option for a wide range of Audi A3, A4, A5, A6, A7, A8, Q3, Q5, R8, RS5, RS7, S3, S4, S5, S7, TT, and allroad models.

Key Features

• Specific fitment for select Audi wheel lug applications
• Grey finish to match OE-style wheel hardware appearance
• PA6.6 polymer construction for crack resistance
• Resists UV exposure and weathering
• Inside diameter: 16.77 mm
• Non-threaded design
• URO part number 321601173AZ37

Detailed Description

Use this wheel lug bolt cap to restore the finished look of exposed wheel hardware on compatible Audi vehicles. The cap is shaped to closely match the contours of the original lug or nut exterior, helping maintain a consistent appearance on factory wheels. This part number 321601173AZ37 is a specific-fit solution for Audi models including A4, A6, Q5, S4, S5, TT, and related applications listed in the fitment data. This part cross-references URO-016140 for the same application.

What It Helps Solve

• Missing or damaged wheel lug bolt caps
• Uneven wheel hardware appearance after cap wear
• UV-related fading or surface deterioration on exterior wheel covers
• Cracking from age, weather exposure, or repeated handling
• Restoring a cleaner OE-style look on Audi wheels

Installation Notes and Tips

Confirm the wheel lug or nut style before ordering, since this cap is a specific-fit part and not universal. Match the grey finish and 16.77 mm inside diameter to the original hardware on your vehicle. For fitment, this part fits 2012-2018 Audi A7 Quattro, 2014-2018 Audi RS7, 2013-2018 Audi S7, 2008-2017 Audi A5 Quattro, 2015-2016 Audi A3, 2006-2013 Audi A3, 2015-2016 Audi A3 Quattro, 2006-2013 Audi A3 Quattro, 2006-2016 Audi A6, 1996-2004 Audi A6, 1995-2016 Audi A6 Quattro, 2013-2016 Audi allroad, 2015-2016 Audi Q3, 2015-2016 Audi Q3 Quattro, 2009-2016 Audi Q5, 2015-2016 Audi S3, 2004-2016 Audi S4, 2000-2002 Audi S4, 2008-2016 Audi S5, 1996-2015 Audi A4, 1996-2015 Audi A4 Quattro, 2013-2015 Audi RS5, 2010-2014 Audi A5, 1997-2014 Audi A8 Quattro, 2014 Audi R8, 2008-2012 Audi R8, 2008-2014 Audi TT Quattro, 2000-2006 Audi TT Quattro, 2008-2009 Audi TT, 2000-2006 Audi TT, and 1997-1999 Audi A8.

Quality Assurance

URO backs this part with a 24 Month Unlimited Mileage Warranty. The PA6.6 material is selected for durability, with resistance to cracking, UV exposure, and weathering for long-term exterior use.