Denso 143-3706 Engine Air Filter

Denso FTF Air Filter for Fiesta

The Denso First Time Fit Air Filter 143-3706 is an engine air filter built for 2011-2013 Ford Fiesta applications. With a trapezoid shape and measured dimensions of 57.0 mm height, 196.0 mm side A length, and 161.0 mm side B length, it is specified to match the vehicle’s air intake housing requirements.

Denso’s FTF Air Filter line focuses on OE-style fit and consistent filtration performance. For Ford Fiesta owners looking for a direct replacement engine air filter, part number 143-3706 is a practical service item for routine maintenance.

Key Features

• Engine air filter for 2011-2013 Ford Fiesta
• Part number 143-3706 for direct reference and ordering
• Trapezoid filter shape for the specified air box design
• Dimensions: 57.0 mm height, 196.0 mm side A, 161.0 mm side B
• Denso First Time Fit line engineered to meet Denso quality standards
• Cross-references Ford BE8Z 9601-A, Motorcraft FA 1904, and Wix 49604

Product Details

This Denso engine air filter is designed for the Ford Fiesta, 2011-2013, and is part of the Denso FTF Air Filter product line. The First Time Fit range is built around OE-style dimensions and filtration consistency, making 143-3706 a straightforward replacement choice when servicing the intake system on a Ford Fiesta. The listed trapezoid profile and measured sides help confirm proper housing match-up before installation.

Compatible With 2011-2013 Ford Fiesta, N/A. This part cross-references Ford BE8Z 9601-A and Motorcraft FA 1904 for the same application.

Common Replacement Reasons

• Restricted airflow from a dirty or loaded engine air filter
• Dust and debris buildup in the intake system
• Reduced filtration efficiency during scheduled maintenance
• Service replacement for a Ford Fiesta air filter housing
• Need for an OE-style replacement filter with verified dimensions

Installation Notes

Confirm the filter shape and measurements against the existing air box before installation. Replace the filter during routine service intervals, and inspect the air cleaner housing for dirt or debris before fitting the new unit. For the Ford Fiesta, 143-3706 should be installed only in the listed 2011-2013 applications.

Quality Assurance

Denso positions the First Time Fit Air Filter line around OEM-level engineering and quality control. As a global OE supplier in filtration components, Denso uses its manufacturing experience to support consistent fit and performance in service replacement parts.