Denso 143-3831 Engine Air Filter

Denso FTF Air Filter for Audi V8 Applications

The Denso FTF Air Filter 143-3831 is an engine air filter built for select Audi performance and luxury models. It is engineered to meet Denso quality standards and support clean airflow for the engine in daily driving and routine maintenance.

Key Features

• Engine air filter for select Audi applications
• Denso First Time Fit product line for OE-style replacement fitment
• Built to Denso quality standards for filtration performance
• Designed for direct replacement service on covered vehicles
• Cross-references FRAM CA11070 and Wix 49243 for the same application

Detailed Description

Denso 143-3831 is part of the FTF Air Filter line, a product range focused on first-time fit replacement parts for vehicles that require precise service fitment. As an OEM supplier with filtration experience, Denso applies manufacturing and quality control practices aimed at consistent engine air filtration performance. This part is a direct-fit engine air filter for 2012-2018 Audi A6 Quattro, 2012-2018 Audi A7 Quattro, 2013-2018 Audi S6, and 2013-2018 Audi S7. If you are searching for an Audi A6 Quattro air filter, Audi A7 Quattro engine air filter, or Denso 143-3831 replacement filter, this part matches those applications.

What It Helps Address

• Restricted airflow caused by a dirty or clogged engine air filter
• Routine maintenance needs on Audi A6 Quattro and Audi A7 Quattro models
• Replacement of worn filtration media during scheduled service
• Engine intake contamination from a neglected filter element

Installation Notes and Tips

Verify the vehicle year, model, and engine air box configuration before ordering. Compare the existing filter shape and dimensions with the removed part to confirm fitment. For best results, inspect the air box for debris and clean the housing before installing the new filter. This part fits 2012-2018 Audi A6 Quattro, 2012-2018 Audi A7 Quattro, 2013-2018 Audi S6, and 2013-2018 Audi S7.

Quality Assurance

Denso states that its First Time Fit air filters are built to meet its internal quality standards and are backed by quality assurance. The 143-3831 is part of that product line, giving buyers a Denso replacement option for covered Audi applications.