Denso 143-3511 Air Filter

Denso FTF Air Filter for OE-Style Engine Filtration

The Denso FTF Air Filter, part number 143-3511, is an engine air filter built to Denso’s quality standards for consistent filtration performance. With a rectangular shape and OE-style dimensions of 276.0 mm by 225.0 mm and 41.0 mm height, it is sized for direct replacement applications in select Hyundai and Kia vehicles.

The First Time Fit air filter line is Denso’s replacement filter program for drivers who want a straightforward OE-style fit and dependable engine air intake protection. This 143-3511 filter is a practical choice for Hyundai Sonata, Hyundai Azera, Kia Optima, Kia Sorento, and Hyundai Santa Fe applications where the listed dimensions and fitment match the vehicle.

Key Features

• Engine air filter for air and fuel delivery service
• Rectangular filter shape for OE-style housing fitment
• Dimensions: 276.0 mm side A length, 225.0 mm side B length, 41.0 mm height
• Part number 143-3511 for catalog and cross-reference lookup
• Denso First Time Fit line for replacement applications
• Fits select Hyundai and Kia models from 2010-2017

Detailed Description

Denso 143-3511 is an engine air filter designed for vehicles that require a rectangular OE-style filter element with the listed dimensions. It is used in select Hyundai Sonata and Hyundai Azera applications, along with Kia Optima, Kia Sorento, and Hyundai Santa Fe fitments. For shoppers searching for a Hyundai Sonata air filter, Kia Optima engine air filter, or Denso 143-3511 replacement, this part provides a direct-reference option based on the published vehicle coverage.

This part cross-references FRAM CA10881 and Wix 49250 for the same application.

What It Helps Address

• Restricted engine airflow from a dirty or clogged air filter
• Routine maintenance replacement for factory-style air intake systems
• Fitment issues caused by using the wrong filter dimensions
• Reduced filtration performance from a worn engine air filter
• Service needs on Hyundai and Kia models with the listed OE-style housing

Installation Notes and Tips

• Verify the housing shape and dimensions before installation.
• Confirm the vehicle year, make, and model against the fitment list.
• Check the OE number 28113-2P100 on applicable Kia Optima and Hyundai applications.
• Inspect the air box and sealing surfaces before installing the new filter.
• Replace the filter according to the vehicle maintenance schedule or service condition.

Quality Assurance

Denso develops First Time Fit air filters to meet its internal quality standards and to align with OE-level filtration requirements. As a global OEM supplier in engine filtration components, Denso applies that manufacturing experience to replacement parts such as the 143-3511 air filter.

Compatible With: 2012-2017 Hyundai Azera, 2012-2015 Kia Optima USA built vehicles, 2014-2015 Kia Optima, 2011-2014 Hyundai Sonata, 2012-2013 Kia Optima USA built vehicles, 2011-2013 Kia Sorento, and 2010-2012 Hyundai Santa Fe.