K&N 33-2324 High-Flow Engine Air Filter for 2005-2019 Nissan Frontier

Vehicle Fitment

• 2005-2019 Nissan Frontier (2.5L I4, RWD)
• 2005-2019 Nissan Frontier (2.5L I4, 4WD)
• 2009-2012 Suzuki Equator (2.5L I4, RWD)

Fitment Notes

• Fits models equipped with the factory air intake system only.
• Direct replacement panel air filter for the OEM air box.
• Does not fit Frontier models equipped with the 4.0L V6 engine.
• No cutting or modifications required for installation.

Features

• High-flow oiled cotton gauze filter media improves engine airflow.
• Designed to increase horsepower and throttle response.
• Washable and reusable for the life of the vehicle with proper maintenance.
• Provides up to 99% overall filtration efficiency.
• Direct-fit replacement for the factory panel air filter.
• Durable molded urethane sealing surface ensures an OEM-quality fit.
• Pre-oiled and ready for installation out of the box.
• Backed by K&N No-Hassle Lifetime Limited Warranty.

Specifications

• Filter Style: Panel
• Filter Media: Oiled Cotton Gauze
• Filter Shape: Panel
• Outside Length: 15.125 in (384 mm)
• Outside Width: 7.188 in (183 mm)
• Height: 0.938 in (24 mm)
• Filter Re-Oiling Amount: 1.57 oz (47 ml)
• Overall Filtration Efficiency: Up to 99%
• Position: Engine Air Box

Included Components

• 1x K&N 33-2324 High-Flow Replacement Engine Air Filter

Product Description

The K&N 33-2324 High-Flow Replacement Air Filter is a direct-fit performance upgrade for select Nissan Frontier and Suzuki Equator models equipped with the 2.5L inline-four engine. Designed to fit the factory air box without modification, it delivers increased airflow while maintaining excellent filtration, helping improve throttle response and overall engine performance.

Built with K&N's premium multi-layer oiled cotton gauze media, this reusable filter can be washed and re-oiled instead of replaced, providing long-term value and reducing waste. Its durable urethane frame ensures a secure OEM-style seal, making it an excellent upgrade for daily drivers and work trucks seeking dependable performance and long service life.