Briggs & Statton Lawn & Garden Equipment Engine Piston Assembly 590521

Brand: Briggs & Stratton · Fits: 10 models · Reference price: $182.56

590521 is a Briggs & Stratton replacement part (briggs & statton lawn & garden equipment engine piston assembly). Our fitment data lists 10 models that use it.

When to replace this part

General hardware and mounting parts

Symptom: A small mechanical or mounting part has failed, cracked, or gone missing.

Check: Compare the physical shape and mounting points to the original piece, and confirm the exact part number against your model plate before ordering.

Models that use this part

All 10 confirmed models for this part.
ModelBrandApplianceParts on file
09P702-0027-F1Briggs & Stratton54
09P702-0004-F1Briggs & Stratton52
9P702-0110-F1Briggs & Stratton42
09P702-0055-F1Briggs & Stratton40
09P702-0124-F1Briggs & Stratton38
09P702-0008-F1Briggs & Stratton37
9P702-0027-F1Briggs & Stratton37
09P702-0007-F1Briggs & Stratton36
9P702-0009-F1Briggs & Stratton33
09P602-0039-F1Briggs and Stratton27

Part numbers it replaces

The manufacturer lists 590521 as the replacement for these earlier part numbers. Substitute parts can look different from the original but serve the same function.

Other parts for model 09P702-0027-F1

If you are repairing that appliance, these are the most model-specific parts on file for the same model.

Reference price and where to compare

The reference price on file for this part is $182.56. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.

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Before you order

Model lookup tool