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Part #: FI1021AC

Universal Air FI1021AC Cabin Air Filter

Particulate Cabin Air Filter
⚙️ 33 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Particulate Cabin Air Filter
🚗Fitment: Cadillac, Buick, Pontiac, and Oldsmobile, DTS, LeSabre, DeVille, Bonneville, Aurora, and Eldorado
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Overview of Universal Air FI1021AC Cabin Air Filter

The Universal Air Particulate Cabin Air Filter FI1021AC is designed to maintain clean air quality inside your vehicle's cabin. This filter is compatible with select Buick, Cadillac, Oldsmobile, and Pontiac models, providing reliable filtration for your car's HVAC system.

  • Compatible with Buick Aurora, Cadillac DeVille, DTS, Eldorado, Oldsmobile Aurora, and Pontiac Bonneville, LeSabre models
  • Part number FI1021AC for precise fitment
  • Particulate cabin air filter designed to reduce airborne contaminants
  • Easy to install replacement filter for vehicle HVAC systems

About the Particulate Cabin Air Filter Line

The Particulate Cabin Air Filter line by Universal Air focuses on filtering out dust, pollen, and other airborne particles from the air entering the vehicle cabin. This product line is engineered to support the HVAC system by improving air quality and protecting passengers from particulate matter. The FI1021AC is part of this line, ensuring compatibility and performance for specific GM vehicles.

Product Details and Compatibility

The FI1021AC cabin air filter is specifically designed for use in various Buick, Cadillac, Oldsmobile, and Pontiac vehicles. It fits models such as the Buick Aurora, Cadillac DeVille, DTS, Eldorado, Oldsmobile Aurora, and Pontiac Bonneville and LeSabre. This filter helps maintain the HVAC system’s efficiency by trapping dust, pollen, and other particulates before they enter the cabin, contributing to a cleaner and healthier interior environment.

Common Issues Addressed by the FI1021AC Cabin Air Filter

  • Reduces dust and pollen entering the vehicle cabin
  • Helps prevent HVAC system clogging and reduced airflow
  • Minimizes unpleasant odors caused by airborne contaminants
  • Improves overall air quality for passengers
  • Protects sensitive HVAC components from particulate buildup

Installation Notes and Tips

Installing the Universal Air FI1021AC cabin air filter is straightforward and typically requires no special tools. Locate the cabin air filter housing, usually behind the glove box or under the dashboard, depending on the vehicle model. Remove the old filter carefully to avoid releasing trapped debris into the cabin. Insert the new filter with the airflow direction indicated on the filter frame. Ensure the filter is seated properly before reassembling the housing.

Quality Assurance and Warranty

Universal Air manufactures the FI1021AC cabin air filter to meet OEM specifications for fit and filtration performance. While specific warranty details are not provided, Universal Air products generally adhere to industry standards for quality and durability. Using this filter helps maintain your vehicle’s HVAC system integrity and passenger comfort.

This part fits 33 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2011CadillacDTSN/AParticulate Cabin Air Filter
2010CadillacDTSPlatinumN/AParticulate Cabin Air Filter
2010CadillacDTSLuxuryN/AParticulate Cabin Air Filter
2010CadillacDTSBaseN/AParticulate Cabin Air Filter
2009CadillacDTSN/AParticulate Cabin Air Filter
2008CadillacDTSN/AParticulate Cabin Air Filter
2007CadillacDTSN/AParticulate Cabin Air Filter
2006CadillacDTSN/AParticulate Cabin Air Filter
2005BuickLeSabreN/AIncludes Filter Only; Particulate Cabin Air Filter
2005CadillacDeVilleN/AParticulate; Particulate Cabin Air Filter
2005PontiacBonnevilleN/AIncludes Filter Only; Particulate Cabin Air Filter
2004BuickLeSabreN/AIncludes Filter Only; Particulate Cabin Air Filter
2004CadillacDeVilleN/AParticulate; Includes Filter Only; Particulate Cabin Air Filter
2004PontiacBonnevilleN/AIncludes Filter Only; Particulate Cabin Air Filter
2003BuickLeSabreN/AIncludes Filter Only; Particulate Cabin Air Filter
2003CadillacDeVilleN/AParticulate; Includes Filter Only; Particulate Cabin Air Filter
2003OldsmobileAuroraN/AIncludes Filter Only; Particulate Cabin Air Filter
2003PontiacBonnevilleN/AIncludes Filter Only; Particulate Cabin Air Filter
2002BuickLeSabreN/AIncludes Filter Only; Particulate Cabin Air Filter
2002CadillacDeVilleN/AParticulate; Includes Filter Only; Particulate Cabin Air Filter
2002CadillacEldoradoN/AParticulate Cabin Air Filter
2002OldsmobileAuroraN/AIncludes Filter Only; Particulate Cabin Air Filter
2002PontiacBonnevilleN/AIncludes Filter Only; Particulate Cabin Air Filter
2001BuickLeSabreN/AIncludes Filter Only; Particulate Cabin Air Filter
2001CadillacDeVilleN/AParticulate; Includes Filter Only; Particulate Cabin Air Filter
2001CadillacEldoradoN/AParticulate Cabin Air Filter
2001OldsmobileAuroraN/AIncludes Filter Only; Particulate Cabin Air Filter
2001PontiacBonnevilleN/AIncludes Filter Only; Particulate Cabin Air Filter
2000BuickLeSabreN/AIncludes Filter Only; Particulate Cabin Air Filter
2000CadillacDeVilleN/AParticulate; Includes Filter Only; Particulate Cabin Air Filter
2000CadillacEldoradoN/AParticulate Cabin Air Filter
2000PontiacBonnevilleN/AIncludes Filter Only; Particulate Cabin Air Filter
1999OldsmobileAuroraN/AIncludes Filter Only; Particulate Cabin Air Filter

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.