Denso 143-3476 Air Filter

Denso FTF Air Filter for OE-Style Engine Protection

The Denso First Time Fit Air Filter, part number 143-3476, is built for drivers who want a direct-fit engine air filter with OE-level attention to size and filtration performance. Its square design and precise dimensions help support proper sealing in the air box for the listed Chevrolet, Buick, and Pontiac applications.

For shoppers searching for a 2006-2011 Chevrolet Impala air filter, 2008-2009 Buick LaCrosse engine air filter, or 2005-2008 Pontiac Grand Prix replacement filter, this Denso FTF Air Filter 143-3476 is a fitment-specific option.

Key Features

• Engine air filter from Denso First Time Fit Air Filter line
• Square filter shape for the listed OE-style airbox applications
• Height: 50.0
• Side A length: 238.0
• Side B length: 225.0
• Built to Denso quality standards for filtration consistency
• Cross-reference part numbers include FRAM CA10014 and Wix 49115

Fitment Details

• Fits 2006-2011 Chevrolet Impala, N/A
• Fits 2008-2009 Buick LaCrosse, N/A
• Fits 2005-2008 Pontiac Grand Prix, N/A
• Fits 2006-2007 Chevrolet Monte Carlo, N/A

Product Line Overview

Denso First Time Fit Air Filters are part of Denso’s OE-focused filtration lineup. The series is engineered to match the fit and performance expectations associated with original equipment replacement parts, making it a practical choice for routine engine air filter service on vehicles such as the Chevrolet Impala, Pontiac Grand Prix, and Chevrolet Monte Carlo.

What This Filter Helps Address

• Restricted airflow caused by a dirty or loaded engine air filter
• Dust and debris entering the intake system through a worn filter
• Reduced engine breathing from an incorrect filter size or shape
• Maintenance intervals where the existing filter shows visible contamination
• Fitment issues when replacing the factory-style air filter on the listed vehicles

Installation Notes and Tips

Verify the air box dimensions and compare the filter shape and measurements before installation. This part number 143-3476 is intended for the listed applications only, so confirm year, make, and model before ordering. Inspect the air cleaner housing, sealing surfaces, and intake tract for dirt or damage during service.

Quality Assurance

Denso states that its First Time Fit Air Filters are engineered to meet its quality standards, with quality assurance provided for the line. Denso’s background as a global OEM supplier in engine filtration components supports the product’s OE-style fitment focus.