Denso 143-3251 Air Filter

Denso FTF Air Filter for Mini Cooper

The Denso FTF Air Filter 143-3251 is an engine air filter built to support clean airflow for 2002-2008 Mini Cooper applications. With a rectangular profile and OE-style dimensions, it is sized for direct replacement service in the specified Mini Cooper fitment.

Key Features

• Engine air filter for air and fuel delivery service
• Rectangular filter shape for the listed application
• Dimensions: 33.0 height, 217.0 side A length, 168.0 side B length
• Designed under Denso First Time Fit standards
• Compatible with 2002-2008 Mini Cooper, N/A position
• Part number 143-3251 for ordering and catalog lookup

Product Details

Denso’s First Time Fit Air Filter line is built around OE-focused filtration requirements and dimensional accuracy. This Denso 143-3251 engine air filter uses a rectangular form factor with measured sides of 217.0 and 168.0, plus a 33.0 height, to match the listed Mini Cooper airbox application. For buyers searching for a Mini Cooper air filter, Mini Cooper engine air filter, or Denso 143-3251 replacement, this part provides a direct-fit option for the stated model years.

This part cross-references BMW 13 72 1 477 840 for the same application.

What It Helps Address

• Restricted airflow caused by a dirty or clogged engine air filter
• Dust and debris entering the intake system
• Reduced engine breathing from a worn filter element
• Routine maintenance needs on 2002-2008 Mini Cooper models
• Replacement of the original-style air filter with the correct dimensions

Installation Notes and Tips

Verify the filter shape and dimensions against the airbox before installation. Confirm the vehicle is a 2002-2008 Mini Cooper with N/A position fitment, and compare the old filter to Denso 143-3251 before closing the housing. Inspect the airbox sealing surfaces and replace the filter at normal service intervals based on driving conditions.

Quality Assurance

Denso develops First Time Fit Air Filters with input from multiple manufacturers and applies its OEM filtration experience to this product line. The 143-3251 is produced to Denso quality standards for fit and performance in the listed Mini Cooper applications.