Denso 143-3823 Engine Air Filter

Denso FTF Air Filter for OE-Style Engine Filtration

The Denso 143-3823 engine air filter is part of the FTF Air Filter line, built for drivers who want a direct-fit replacement with OE-focused filtration standards. It is a fitment-based choice for select Hyundai Sonata and Kia Optima applications, including 2015-2019 Hyundai Sonata and 2016-2019 Kia Optima models.

Key Features

• Denso First Time Fit Air Filter line for direct replacement use
• Engine air filter for air and fuel delivery service
• Built to Denso quality standards for filtration performance
• Fits 2015-2019 Hyundai Sonata, N/A
• Fits 2016-2019 Kia Optima, N/A
• Fits 2020 Kia Optima, N/A
• Part number 143-3823 for catalog and service matching

Detailed Description

Denso 143-3823 is an engine air filter designed for select Hyundai Sonata and Kia Optima vehicles. As part of the Denso FTF Air Filter line, it reflects Denso’s OE-oriented approach to engine filtration components and is engineered to meet the brand’s quality standards for consistent airflow and filtration. If you are searching for a Hyundai Sonata air filter or Kia Optima engine air filter by part number, 143-3823 is the reference to use.

This part cross-references FRAM CA11941 for the same application.

What It Helps Address

• Restricted airflow from a dirty or clogged engine air filter
• Routine maintenance replacement for Hyundai Sonata and Kia Optima service intervals
• Dust and debris entering the intake system
• Loss of filtration efficiency from an aged filter element
• Part-number matching for 143-3823 replacement searches

Installation Notes and Tips

Verify the vehicle year, make, and model before ordering. Confirm the air filter housing style on the vehicle and compare the existing filter to Denso 143-3823 before installation. For fitment searches, use the exact application details: 2015-2019 Hyundai Sonata, 2016-2019 Kia Optima, and 2020 Kia Optima.

Quality Assurance

Denso positions the FTF Air Filter line as a quality-controlled replacement option backed by the company’s experience as a global OEM supplier of engine filtration components. The 143-3823 is built to Denso’s stated standards for fit and performance.