K&N 33-2141-1 Engine Air Filter

High-Flow Panel Air Filter

K&N 33-2141-1 is a washable, reusable engine air filter built with layered oiled cotton gauze to improve airflow while capturing contaminants. It installs as a drop-in replacement in the factory air box and is backed by a 10-Year/Million Mile Limited Warranty.

• Washable, reusable cotton gauze media for long service life.
• Pre-oiled filter media for ready-to-install service.
• Flexible panel design for factory air box replacement.
• Engineered to increase airflow and support horsepower.

Detailed Fitment and Design

This K&N replacement air filter uses a panel-style construction with a flexible frame and a low-profile 0.938-inch height. The cotton gauze media is designed to flow air efficiently while trapping airborne debris, and the pre-oiled design simplifies routine service. Fits 1999-2008 Pontiac Grand Prix, N/A; Fits 1999-2005 Buick Century, N/A; Fits 2000-2005 Buick LeSabre, N/A; Fits 2000-2005 Chevrolet Impala, N/A; Fits 2000-2005 Chevrolet Monte Carlo, N/A; Fits 2000-2005 Pontiac Bonneville, N/A; Fits 1999-2004 Buick Regal, N/A. This part cross-references Baldwin PA4479 and Pronto PA5330 for the same application.

What It Helps Address

• Restricted airflow from a dirty or clogged factory air filter.
• Routine filter replacement intervals that add recurring maintenance.
• Dust and debris entering the intake stream.
• Loss of intake efficiency caused by a worn filter element.

Installation Notes and Quality

Install this filter in the factory air box as a direct replacement for the original panel element. Verify the air box dimensions and service access before installation. K&N backs this filter with a 1,000,000-mile/10-year limited warranty.