Denso 143-3531 Air Filter

Denso FTF Air Filter for Kia Optima and Rondo

Denso First Time Fit Air Filter Part Number 143-3531 is an engine air filter built to match the dimensions and application requirements of select Kia vehicles. With a rectangular shape and precise sizing, it supports proper airbox sealing and consistent airflow for 2006-2010 Kia Optima and 2007-2010 Kia Rondo applications.

Key Features

• Engine air filter for air and fuel delivery service
• Rectangular filter shape for OE-style fitment
• Height: 48.0
• Side A Length: 255.0
• Side B Length: 201.0
• Direct application coverage for Kia Optima and Kia Rondo
• Part Number: 143-3531

Product Details

Denso’s First Time Fit Air Filter line is engineered to meet the brand’s quality standards for filtration components used in OEM-style service. This filter is sized for the specified air cleaner housing dimensions and is intended to maintain the correct fit in the intake system. For buyers searching for a Kia Optima engine air filter or a Kia Rondo air filter replacement, Denso 143-3531 provides a direct-match option for the listed vehicles.

This part cross-references FRAM CA10191 for the same application.

What It Helps Address

• Restricted engine airflow from a dirty or clogged filter
• Dust and debris entering the intake tract
• Improper sealing caused by a worn or incorrect-size filter
• Reduced filtration performance during routine maintenance
• Need for a direct-fit replacement air filter for Kia Optima and Kia Rondo

Installation Notes and Tips

Verify the air filter housing dimensions before installation and compare the old filter to the new one. Confirm the rectangular profile and listed measurements match the vehicle’s airbox. For service searches, this part fits 2006-2010 Kia Optima and 2007-2010 Kia Rondo, N/A position.

Quality Assurance

Denso positions the First Time Fit Air Filter line as a quality-controlled OE-style replacement program backed by the company’s experience as a global OEM supplier of engine filtration components. Part Number 143-3531 is built to Denso’s stated standards for fit and performance.