Product Description
Aftermarket Carburetor – Part # 640300 (OEM-Spec Replacement)
This high-quality aftermarket carburetor is built to OEM specifications to restore proper fuel delivery, smooth starting, and reliable engine performance. Ideal for replacing a worn, clogged, or leaking carburetor on select Tecumseh small engines.
✔ Replaces Part Numbers
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640300
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632738
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640096
(Designed to replace these part numbers where equipped.)
✔ Compatible With the Following Engines
Fits Tecumseh Small Engine Models:
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HSK850-8310C
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HSK850-8310D
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HSK850-8310E
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HSK870-8701A
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HSK870-8701B
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HSK870-8701C
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TH139SA-8310F
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TH139SA-8310G
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TH139SP-8701D
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TH139SP-8704D
(Compatibility applies where the listed replacement part numbers are used.)
✔ What’s Included
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(1) Carburetor
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(1) Mounting Gasket
✔ Features
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OEM-spec design for proper fit and performance
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Precision-machined for correct fuel/air mixture
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Helps restore smooth idle and throttle response
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Durable construction for long service life
✔ Benefits
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Fixes hard starting, surging, stalling, or fuel issues
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Restores lost power and engine efficiency
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Ideal for repairs, rebuilds, or seasonal maintenance
✔ Condition
? New / Aftermarket / OEM-Spec Replacement
✔ Installation Notes
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Direct replacement for carburetors using the listed part numbers
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Professional installation recommended
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Compare your original carburetor and engine model before ordering
✔ Fitment Reminder
If you’re unsure whether this carburetor fits your engine, please message us before purchasing. We’re happy to help confirm compatibility.
