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Part #: 143-3647

Denso 143-3647 Air Filter

FTF Air Filter
⚙️ 30 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦FTF Air Filter
🚗Fitment: Audi, A5 Quattro, Q5, A4, A4 Quattro, and A5
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Overview of the Denso FTF Air Filter 143-3647

The Denso FTF Air Filter 143-3647 is designed specifically for select Audi models, including the A4, A4 Quattro, A5, A5 Quattro, and Q5. This engine air filter features a rectangular shape with precise dimensions to ensure proper fit and optimal airflow.

  • Rectangular shape with dimensions: 320 mm (Side A) x 128 mm (Side B) x 64 mm (Height)
  • Compatible with Audi A4, A4 Quattro, A5, A5 Quattro, and Q5 models
  • Part number 143-3647 for accurate identification
  • Part of the Denso FTF Air Filter product line

Detailed Product Description and Attributes

The Denso FTF Air Filter 143-3647 is engineered to meet the specific air filtration requirements of Audi vehicles such as the A4 and A5 series, including their Quattro variants, as well as the Q5. The filter’s rectangular design measures 320 mm in length (Side A), 128 mm in width (Side B), and 64 mm in height, ensuring a precise fit within the engine air intake system. These dimensions are critical for maintaining proper airflow and filtration efficiency, which helps protect the engine from contaminants and debris.

As part of the FTF Air Filter line, this filter is designed to provide consistent filtration performance tailored to the demands of modern Audi engines. The FTF Air Filter series focuses on delivering reliable air cleaning capabilities while maintaining airflow characteristics that support engine efficiency.

Applications and Problem Solving

  • Prevents engine damage caused by dust and airborne particles
  • Helps maintain optimal engine performance and fuel efficiency
  • Reduces the risk of clogged air intake systems
  • Supports emission control by ensuring clean air supply
  • Compatible with specific Audi models to ensure proper fit and function

Installation Notes and Tips

  • Verify compatibility with your Audi model before installation using part number 143-3647
  • Ensure the filter is seated correctly within the air filter housing to prevent air bypass
  • Inspect the air filter housing for debris before installing the new filter
  • Replace the air filter at manufacturer-recommended intervals or when visibly dirty

Quality Assurance and Warranty

Denso manufactures the FTF Air Filter 143-3647 to meet OEM standards for fit, form, and function. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship. Using this filter helps maintain the integrity of your Audi’s air intake system and supports engine longevity.

BrandDenso
Part Number143-3647
PositionFTF Air Filter
Height64.0
ShapeRECTANGULAR
Side A Length320.0
Side B Length128.0

This part fits 30 vehicles. Search below:

YearMakeModelPositionNotes
2017AudiA5 QuattroN/AFTF Air Filter
2017AudiQ5N/AFTF Air Filter
2016AudiA4N/AFTF Air Filter
2016AudiA4 QuattroN/AFTF Air Filter
2016AudiA5 QuattroN/AFTF Air Filter
2016AudiQ5N/AFTF Air Filter
2015AudiA4N/AFTF Air Filter
2015AudiA4 QuattroN/AFTF Air Filter
2015AudiA5 QuattroN/AFTF Air Filter
2015AudiQ5N/AFTF Air Filter
2014AudiA4N/AFrom 11/4/2013; FTF Air Filter
2014AudiA4 QuattroN/AFrom 11/4/2013; FTF Air Filter
2014AudiA5 QuattroN/AFrom 11/4/2013; FTF Air Filter
2014AudiQ5N/AFrom 11/4/2013; FTF Air Filter
2012AudiA4N/AFTF Air Filter
2012AudiA4 QuattroN/AFTF Air Filter
2012AudiA5N/AFTF Air Filter
2012AudiA5 QuattroN/AFTF Air Filter
2012AudiQ5N/AFTF Air Filter
2011AudiA4N/AFTF Air Filter
2011AudiA4 QuattroN/AFTF Air Filter
2011AudiA5N/AFTF Air Filter
2011AudiA5 QuattroN/AFTF Air Filter
2011AudiQ5N/AFTF Air Filter
2010AudiA4N/AFTF Air Filter
2010AudiA4 QuattroN/AFTF Air Filter
2010AudiA5N/AFTF Air Filter
2010AudiA5 QuattroN/AFTF Air Filter
2009AudiA4N/AFTF Air Filter
2009AudiA4 QuattroN/AFTF Air Filter

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

8K0 133 843 M

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.