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The TECUMSEH 640105 is an original equipment manufacturer carburetor designed for small engines commonly found in outdoor power equipment. It features precision-cast construction with calibrated fuel metering passages, air metering passages, and atmospheric vents engineered to maintain consistent fuel-air mixture delivery. This carburetor is a direct OEM replacement, meaning it meets the same factory tolerances as the unit it replaces. Small engine technicians and power equipment service pros install this part when rebuilding or replacing a failed or worn carburetor on applicable Tecumseh-powered equipment.
This carburetor is suited for residential and light commercial applications where Tecumseh small engines power walk-behind lawn mowers, snow blowers, tillers, and similar outdoor power equipment. It is installed during routine carburetor replacement service or as part of a larger engine rebuild. The OEM casting and internal passage geometry help restore proper engine starting, idle stability, and throttle response to manufacturer specifications.
Designed as an OEM-style replacement carburetor for applicable Tecumseh small engines. Consult the Tecumseh engine model and specification number on the engine shroud to confirm fitment before installation.
Carburetor replacement on small engines is typically performed by small engine technicians or qualified power equipment service personnel. Shut off the fuel supply valve and allow the engine to cool completely before beginning removal. Disconnect the spark plug wire to prevent accidental starting during service. Follow all applicable manufacturer service documentation for torque and reassembly procedures, and properly dispose of any residual fuel per local regulations.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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