Cat® standard efficiency secondary engine filters serve as the last line of defense against contaminants. Secondary engine air filters are crucial in protecting your engine during primary filter changes or filter breaches. Engineered with materials that withstand rigorous conditions, this filter captures the smallest particles, preventing potential damage.

You can't control the environment you're working in, but you can keep your engine working longer by keeping the air inside clean. Cat® engine air filters are designed to meet strict standards and provide the best protection for your Cat® engine.