HomeAir and Fuel Delivery > FiltersDenso 143-3690 Engine Air Filter
Part #: 143-3690

Denso 143-3690 Engine Air Filter

FTF Air Filter
⚙️ 10 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦FTF Air Filter
🚗Fitment: BMW, X3 and X4
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of the Denso FTF Air Filter 143-3690

The Denso FTF Air Filter 143-3690 is designed specifically for BMW X3 and X4 models, providing reliable engine air filtration. Its polygon shape and precise dimensions ensure a proper fit and optimal airflow for these vehicles.

  • Compatible with BMW X3 and X4 models
  • Polygon-shaped engine air filter
  • Dimensions: 313.0 mm (Side A), 257.0 mm (Side B), 38.0 mm height
  • Part number 143-3690 for accurate identification
  • Part of the Denso FTF Air Filter product line

Detailed Product Features and Specifications

This engine air filter features a polygon shape tailored to fit the air intake system of BMW X3 and X4 vehicles. The filter measures 313.0 mm on Side A, 257.0 mm on Side B, and has a height of 38.0 mm, ensuring a secure and precise fit. These dimensions are critical for maintaining proper engine performance by filtering out contaminants while allowing sufficient airflow.

The Denso FTF Air Filter line focuses on delivering filters engineered to meet specific vehicle requirements, balancing filtration efficiency and airflow. This part number 143-3690 is part of that line, designed to maintain engine health and performance for BMW models.

Applications and Problem Solving

  • Prevents engine damage caused by dust and debris
  • Helps maintain optimal engine air intake flow
  • Reduces the risk of decreased fuel efficiency due to clogged filters
  • Supports consistent engine performance in BMW X3 and X4 vehicles
  • Minimizes engine wear by filtering harmful particles

Installation Notes and Tips

When installing the Denso FTF Air Filter 143-3690, ensure the filter is seated properly within the airbox to maintain an airtight seal. Verify the polygon shape aligns with the air intake housing to avoid gaps that could allow unfiltered air into the engine. Regular inspection and replacement according to the vehicle manufacturer’s maintenance schedule will help sustain engine performance.

Quality Assurance and Warranty

Denso manufactures the FTF Air Filter line with strict quality control standards to meet OEM specifications. While specific warranty details for part number 143-3690 are not provided here, Denso products typically come with manufacturer-backed quality assurance to support durability and performance.

BrandDenso
Part Number143-3690
PositionFTF Air Filter
Height38.0
ShapePolygon
Side A Length313.0
Side B Length257.0

This part fits 10 vehicles. Search below:

YearMakeModelPositionNotes
2017BMWX3N/AFTF Air Filter
2017BMWX4N/AFTF Air Filter
2016BMWX3N/AFTF Air Filter
2016BMWX4N/AFTF Air Filter
2015BMWX3N/AFTF Air Filter
2015BMWX4N/AFTF Air Filter
2014BMWX3N/AFTF Air Filter
2013BMWX3N/AFTF Air Filter
2012BMWX3N/AFTF Air Filter
2011BMWX3N/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:

13 71 7 601 868

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