One New Aftermarket Replacement Standard Piston Ring Set Fits Briggs & Fits Stratton Single Cylinder OHV EnginesThis standard bore aftermarket piston ring set is a direct replacement Fits Briggs & Fits Stratton single cylinder overhead valve (OHV) engines commonly found in lawn mowers and outdoor power equipment. Piston rings seal the combustion chamber from the crankcase, maintaining compression and preventing oil from entering the combustion chamber. A worn or damaged ring set can result in loss of compression, increased oil consumption, and poor engine performance.Specifications Bore Size: 90.5mm (standard) Engine Type: Single Cylinder Overhead Valve (OHV) Quantity: One complete ring set Compatible ModelsFits Briggs & Fits Stratton Single Cylinder OHV Engines: Fits Briggs and Stratton single cylinder overhead valve (OHV) engines including those in the 16 HP, 17 HP, 17.5 HP, 18 HP, 19 HP, 20 HP, and 21 HP ranges with a 90.5mm standard bore. Verify fitment using your engine model, type, and code numbers before ordering.Replaces Part Number(s):594437, 594437-A, 699026, 791936, 791936-A, 792506, 792506-A, B1594437, B1699026, ENO20-0121Note: 594437 supersedes older part numbers 699026, 791936, and 792506.New aftermarket replacement part - not remanufactured, not used.
