LAF6271A iLast Engine Air Filter Freightliner Cascadia DD13 DD15

Protect your engine and maximize performance with the iLast LAF6271A Engine Air Filter, designed for heavy-duty trucks operating in demanding conditions.

Engineered to deliver superior filtration efficiency, this air filter captures dust, debris, and airborne contaminants before they reach your engine—helping extend engine life, improve airflow, and maintain fuel efficiency. Built with high-quality filtration media and a durable radial seal, it ensures a secure fit and long service intervals.

Ideal for fleet operators and owner-operators, the LAF6271A is a direct replacement for multiple OEM and aftermarket filters used in popular truck models.

Why replace your air filter?

• Reduced engine performance or airflow restriction
• Increased fuel consumption
• Dirty or clogged filter media
• Prevent engine wear from contaminants

Key Benefits

• High-efficiency filtration for maximum engine protection
• Durable radial seal for secure, leak-free installation
• Improves airflow and fuel efficiency
• Designed for long service intervals
• Direct replacement for OEM and aftermarket filters

️ Applications

• Heavy-duty trucks
• Long-haul and fleet vehicles
• On-highway diesel engines

STX Supply & Services delivers reliable filtration solutions to keep your engines running clean and efficient.