Product Overview
- Replacement diaphragm carburetor made by Tianjin Stable Technology Co., Ltd. specifically for the Stihl BR420 blower.
- Factory-produced unit from a manufacturer with 15+ years in carburetor R&D and production, 10 assembly lines and up to 3 million units annual capacity.
- Produced under ISO9001 and TS16949 quality systems and offered with OEM/ODM and customized packing options.
Product Features
- Direct-fit design matching original Stihl BR420 specifications for easy installation and quick start/idle recovery.
- Diaphragm/gasket and pump components comparable to Walbro-style parts; includes fuel filter screen and original inlet-needle check valve.
- Improved sealing (updated O‑ring and air intake joint seal) to reduce dust ingress and extend engine life.
- Patented easy-to-adjust idle speed pin for on-the-fly idle tuning.
- Claimed fuel-saving design (over 25% more efficient vs. conventional products) and durable, high-grade materials.
Product Value
- Restores or improves blower performance (starting, idling, power output) at lower cost than OEM replacement.
- Enhances fuel efficiency and reduces operating cost for both professionals and homeowners.
- Increases equipment uptime and longevity through better sealing and component quality.
- Offers reliable supply and scalability for fleet users due to the manufacturer’s large production capacity and quality controls.
Product Advantages
- Factory-controlled production with strict QC processes, automation and digital management; supplier states a 100% product qualification rate.
- Experienced R&D and technical team with long industry background; continuous product development.
- Pre-shipment testing of all units, available samples, and flexible ordering (branding/packing customization, global shipping).
- Competitive cost-performance ratio—positioned as a cost-effective aftermarket alternative to OEM carburetors.
Application Scenarios
- Direct replacement for Stihl BR420 backpack blower.
- Suitable for small gasoline engines and equipment using diaphragm carburetors: hedge trimmers, brush cutters, chainsaws, cut-off saws, sprayers, breakers and similar handheld/portable outdoor power tools.
- Useful for professional landscapers, rental fleets and homeowner maintenance/repair projects.