Denso 143-3017 Air Filter

Denso FTF Air Filter for Toyota Prius

The Denso 143-3017 engine air filter is built for 2004-2009 Toyota Prius applications and follows the dimensions needed for a precise OE-style replacement. With a square shape and measured sides of 292.0 mm by 185.0 mm, this filter is sized for proper airbox fitment and consistent airflow management.

Denso’s First Time Fit Air Filter line is engineered to meet the brand’s quality standards for direct replacement service. For Toyota Prius owners searching for a 2004-2009 Toyota Prius engine air filter, Denso 143-3017 offers a straightforward match for routine maintenance.

Key Features

• Engine air filter for air and fuel delivery service
• Fits 2004-2009 Toyota Prius
• Square filter design for OE-style housing fitment
• Dimensions: 292.0 mm side A, 185.0 mm side B, 27.0 mm height
• Denso First Time Fit product line for direct replacement applications
• Part number 143-3017 for easy catalog lookup

Product Details

The Denso First Time Fit Air Filter line is positioned as a direct replacement solution for vehicles that require accurate sizing and dependable filtration service. This Denso 143-3017 filter is specified for the Toyota Prius and is built around the listed dimensions to support proper sealing in the air cleaner assembly. If you are replacing a Toyota Prius engine air filter for 2004, 2005, 2006, 2007, 2008, or 2009 model years, this part number provides a clear OE-style reference.

This part cross-references FRAM CA10159 and Toyota 17801-21040 for the same application.

What It Helps Address

• Restricted airflow from a loaded or dirty engine air filter
• Dust and debris entering the intake tract
• Reduced filtration performance during scheduled maintenance
• Incorrect filter sizing in the airbox
• Need for a direct replacement Toyota Prius air filter

Installation Notes and Tips

Verify the air filter housing dimensions against the listed measurements before installation. Confirm the vehicle is a 2004-2009 Toyota Prius and compare the old filter’s shape and size to Denso 143-3017. Inspect the airbox sealing surfaces and replace the filter if the existing element shows heavy dirt loading, damage, or deformation.

Quality Assurance

Denso develops filtration components as an OEM supplier and applies that experience to the First Time Fit Air Filter line. The 143-3017 is engineered to meet Denso’s quality standards for direct replacement service and consistent fitment in the specified Toyota Prius applications.