CONFIRM THE PART FITS

Screw 631078

Part #631078

Replaced by #631838
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Manufacturer substitution
This part replaces 631078. Substitute parts can look different from the original.
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This item is not returnable

Part Information

This idle adjustment screw (part number 631838) is for lawn and garden equipment engines.

Idle adjustment screw 631838 lets you adjust the carburetor fuel mixture or idle speed.

Work in a well-ventilated area when installing this part. Drain the fuel tank and disconnect the spark plug wire before beginning the repair.