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.

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✔ Replaces Part Numbers

• 640300

• 632738

• 640096

(Designed to replace these part numbers where equipped.)

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✔ Compatible With the Following Engines

Fits Tecumseh Small Engine Models:

• HSK850-8310C

• HSK850-8310D

• HSK850-8310E

• HSK870-8701A

• HSK870-8701B

• HSK870-8701C

• TH139SA-8310F

• TH139SA-8310G

• TH139SP-8701D

• TH139SP-8704D

(Compatibility applies where the listed replacement part numbers are used.)

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✔ What’s Included

• (1) Carburetor

• (1) Mounting Gasket

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✔ Features

• OEM-spec design for proper fit and performance

• Precision-machined for correct fuel/air mixture

• Helps restore smooth idle and throttle response

• Durable construction for long service life

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✔ Benefits

• Fixes hard starting, surging, stalling, or fuel issues

• Restores lost power and engine efficiency

• Ideal for repairs, rebuilds, or seasonal maintenance

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✔ Condition

🟢 New / Aftermarket / OEM-Spec Replacement

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✔ Installation Notes

• Direct replacement for carburetors using the listed part numbers

• Professional installation recommended

• Compare your original carburetor and engine model before ordering

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✔ Fitment Reminder

If you’re unsure whether this carburetor fits your engine, please message us before purchasing. We’re happy to help confirm compatibility.