Air Filter

This high-quality replacement air filter, SKU ST0158, is designed to fit STIHL BR 400 and BR 420 backpack blowers, matching OEM numbers 4203 141 0301A and 4203 141 0301. Constructed from durable, washable foam, it ensures reliable engine protection and consistent airflow for optimal performance. With precise dimensions of 5-1/8” (130mm) L x 3-7/16” (87mm) W x 1-3/8” (35mm) H, this filter is a direct, easy-to-install replacement that helps extend the life of your equipment.

• Direct replacement for STIHL BR 400 and BR 420 backpack blowers – no modifications required.
• High-quality, washable foam construction for long-lasting durability and easy maintenance.
• Precise fit ensures maximum filtration and engine protection in dusty Australian conditions.

• STIHL BR 400 Backpack Blower
• STIHL BR 420 Backpack Blower

Air Filters – Replacement air filters for outdoor power equipment, ensuring clean airflow and engine longevity.