Stens 520-052

Stens 520-052 Carburetor (Replaces Kohler 12 853 139-S)

Restore smooth performance and reliable starting with the Stens 520-052 carburetor. Designed as a high-quality aftermarket replacement, this carb fits Kohler Command single-cylinder engines and replaces OEM part number 12 853 139-S.

✔ Quality aftermarket replacement for Kohler OEM
✔ Replaces Kohler 12 853 139-S
✔ Restores proper fuel delivery and engine performance
✔ Helps eliminate hard starting and surging
✔ Direct replacement — no modifications needed

Fitment:

Designed for use on Kohler Command single-cylinder engines, commonly found on:

• Riding mowers
• Lawn tractors
• Walk-behind equipment
• Other outdoor power equipment

(Always verify compatibility using your engine model and spec number.)

What’s Included:

• (1) Carburetor — Stens 520-052

Why This Part Matters

A faulty or clogged carburetor is one of the most common causes of:

• Hard starting or no start
• Engine surging or hunting
• Poor throttle response
• Loss of power
• Engine stalling

Replacing the carburetor restores proper air/fuel mixture, helping your engine run smoother and more efficiently.

Additional Notes:
This carburetor is a direct replacement for Kohler 12 853 139-S and is commonly used across many Kohler Command single-cylinder engine configurations