Pressure washer pump assembly. You must transfer the old drive key from the old pump to the new pump or purchase a new key or else the new pump will not build pressure.
Grid is 1 inch square
311966GS Pressure Washer Pump Assembly
Manufacturer Part

311966GS Pressure Washer Pump Assembly

Genuine OEM Part # 311966GSAlternative Part Number(s)
Manufacturer Part
Pressure washer pump assembly. You must transfer the old drive key from the old pump to the new pump or purchase a new key or else the new pump will not build pressure.
Grid is 1 inch square
311966GS Pressure Washer Pump Assembly
$345.04
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Pressure washer pump assembly. You must transfer the old drive key from the old pump to the new pump or purchase a new key or else the new pump will not build pressure.
Helpful Tips
See recommended related item for Pump Saver. Use Pump Saver to lubricate and winterize your pump for extended storage.
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$345.04
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Pump Assembly Customer Reviews

Common Problems Fixed by the Pump Assembly

Based on customer reports and repair data, this part commonly fixes these issues:

About the Pump Assembly

You may need to rebuild or replace the pump assembly. If the pump is more than a few years old, and you use the pressure washer fairly often, replace the pump assembly. If the pump is relatively new, and you don’t use the pressure washer often, either rebuild the pump assembly or replace the pump seals.

Alternative Part Number(s)

Replaces Part Number 704676