SIMPERAC BG50 Carburetor for Stihl BG65 SH55 SH85 – 4229-120-0650 Replacement

Overview

Refresh the performance of your Stihl blower with the SIMPERAC BG50 carburetor replacement kit. Built to fit the BG50 family and closely related BG models, this kit offers a practical way to restore steady throttle response and reliable starting behavior. The replacement cross-references to common OEM numbers such as 4229 120 0650 and can serve as an alternative for 4229-120-0610 and 4229-120-0608 when you’re verifying compatibility against images or part numbers. While designed to mirror original function, outcomes may vary with usage and environment.

Designed for outdoor use and longer service, the carburetor and accompanying parts are prepared for a straightforward swap. If you’re tackling a maintenance task on a leaf blower or similar Stihl tool, this kit provides the essential components to complete a full refresh in one session, from sealing gaskets to fuel delivery components.

What’s included

• 1 carburetor
• 2 gaskets
• 2 primer bulbs
• 1 spark plug
• 1 air filter
• 1 fuel filter
• 1 fuel line
• 2 grommets

Compatibility and fit

• Fits Stihl BG50 carburetor assembly
• Compatible with BG45, BG46, BG65, BG85, SH55, SH85 models
• Please compare images and OEM numbers to ensure a match with your original part

Beyond a direct replacement, this SIMPERAC kit is a practical option for maintaining yard tools through busy outdoor seasons. By swapping worn components, you may notice more consistent fuel metering and a smoother start, which can help keep your blower ready for leaf cleanup, pine needle clearing, or other outdoor tasks. The design emphasizes durable construction that stands up to routine maintenance and seasonal use, without promising guaranteed results.

Tips for a successful swap

• Inspect OEM part numbers and cross-reference with 4229 120 0650 when available.
• Replace gaskets and filters to help prevent leaks and improve air/fuel delivery.

If you’re unsure about compatibility, feel free to reach out with your blower model and serial number. We’re happy to help you verify fit before you buy.