Carbhub 640052 Carburetor for Tecumseh HMSK Snow Blowers — 8–10 HP Engines | 640054 640349

Upgrade your Tecumseh snow blower with the Carbhub 640052 carburetor

This aftermarket replacement is designed to fit Tecumseh HMSK80, HMSK85, HMSK90, HMSK100, HMSK105, and HMSK110 models, as well as LH318SA and LH358SA snow blowers. It also supports select Toro and MTD Cub Cadet Yard Machines variants. While results can vary by engine condition, the carburetor may help restore smoother fuel metering and steadier start-up in challenging winter conditions, without promising guaranteed outcomes.

What you get

• 1x carburetor
• 1x spark plug
• 1x fuel filter
• 1x fuel line (for primer bulb)
• 1x fuel line (for carburetor)
• 1x primer bulb
• 1x fuel shut-off valve
• 1x throttle control knob 35440
• 1x throttle control knob 35438
• 2x gaskets
• 2x bolts
• 6x clamps

Key benefits and features

• Replaces Tecumseh parts 640052, 640054, 640349 for broad compatibility
• Fits Tecumseh HMSK80/HMSK85/HMSK90/HMSK100/HMSK105/HMSK110 and LH318SA/LH358SA snow blowers
• Compatible with Toro 38635–38645 and various Yard Machines snow blowers
• Designed for 8–10 HP Tecumseh engines, supporting snow blower performance during winter use
• Includes a complete accessory set to simplify installation and maintenance

Real-world use and practical notes

In practical use, this carburetor aims to improve fuel metering, idle stability, and ignition feel when the snow is deep and temperatures are cold. Users may notice more predictable throttle behavior and steadier running after installation, particularly when other fuel-system components are in good shape. Because engine performance can be influenced by alternatives like carburetor mounting, gasket sealing, and fuel line condition, consider this kit as a refreshed starting point rather than a guaranteed fix.

For best results, verify compatibility with your specific model and engine before installation. The kit’s updated accessories are designed to help with a smoother upgrade, but if you receive an older version, contact us so we can assist promptly. This is an aftermarket replacement and not OEM, with a focus on restoring practical snow-blower operation through a complete, ready-to-install package.

Notes on compatibility and maintenance

Compatibility spans a broad subset of Tecumseh HMSK series engines and common snow blower platforms from Toro and MTD/Cub Cadet, making this a flexible option for seasonal maintenance. Regular inspection of fuel lines, primer bulb, and gaskets can support consistent performance during heavy use. If you experience installation questions, our support team is ready to help identify the right fit.