The STIHL BR340 BR340L Tube 67mm (OEM part number 4203 708 3400) is a genuine replacement 67mm diameter blower tube compatible with a broad range of STIHL backpack blowers including the BR320, BR320L, BR340, BR340L, BR350, BR380, BR400, BR420, BR420C, BR430 and BR450. The 67mm tube concentrates the airstream for precise, directed clearing of edges, paths, borders and tight spaces — paired with the matching 67mm nozzle (part 4203 708 6300) to form a complete 67mm tube and nozzle assembly. A direct replacement for cracked, split or damaged originals. Available from Gustharts, an authorised STIHL dealer with UK stock ready to ship. Key Features Genuine STIHL OEM 67mm blower tube — manufactured to original specification for correct fit and airflow performance Part number 4203 708 3400 — also referenced as 4203-708-3400 and 42037083400 67mm diameter — narrower bore than the 80mm tube; concentrates airflow for directed, precise clearing work Wide compatibility — fits BR320, BR320L, BR340, BR340L, BR350, BR380, BR400, BR420, BR420C, BR430 and BR450 Durable moulded polymer construction — built for regular professional and domestic backpack blower use Technical Specification Brand STIHL Product Type Backpack Blower Tube OEM Part Number 4203 708 3400 (also: 4203-708-3400, 42037083400) Tube Diameter 67mm Compatible Models BR320, BR320L, BR340, BR340L, BR350, BR380, BR400, BR420, BR420C, BR430, BR450 Matching Nozzle 4203 708 6300 (67mm nozzle tip) Part Type Genuine OEM Replacement Part Also Known As Also referred to as a blower pipe, blower wand, 67mm blower tube and leaf blower tube. For ordering, reference 4203 708 3400 and confirm your model against the compatibility list. The 80mm alternative (part 4203 708 3404) delivers higher airflow volume for open-area clearing if a larger bore is needed. Often Replaced Alongside STIHL BR340 67mm Nozzle (4203 708 6300) — replace the matching nozzle tip alongside the tube for a complete 67mm system service STIHL BR340 80mm Tube (4203 708 3404) — the wider tube option for higher-volume open-area clearing Explore More STIHL Spare Parts STIHL Parts Finder FAQs Which models does part 4203 708 3400 fit? BR320, BR320L, BR340, BR340L, BR350, BR380, BR400, BR420, BR420C, BR430 and BR450. Always confirm your machine's model before ordering. What nozzle pairs with this 67mm tube? The matching 67mm nozzle is part 4203 708 6300. Replace both together for a complete 67mm airflow system service. Is this a genuine STIHL part? Yes — OEM part number 4203 708 3400, manufactured to STIHL's original specification.
