CAT 242B3, 242D, 242D3, 257D, 257D3, 259D, 259D3, 267B, 277D, 279D, 289D, 299D, 299D2

Efficient Filtration
Designed to capture fine dust and airborne contaminants that bypass the primary filter or enter the intake system during servicing, providing critical secondary engine protection.

Optimised Airflow Performance
Engineered to maintain consistent airflow under high-load conditions, supporting effective filtration, stable engine output, and reliable performance.

Heavy-Duty Design
Manufactured using robust, high-quality materials designed to withstand vibration, pressure changes, and harsh operating conditions common in construction, mining, and quarrying applications.

Engine Protection & Extended Service Life
By preventing harmful contaminants from entering the engine, the secondary air filter helps reduce internal wear, minimise downtime, and extend overall engine life.