This is an O ring Seal for a Briggs and Stratton Intake Tube on a ‘3.5HP Classic’ engine (fits into the carburettor). It is item '617' in the included extract from the parts manual. Please note this is not an original Briggs and Stratton part but a high quality alternative. The Briggs and Stratton part number is 270344S. Discount available on multi buy. Any other questions then please ask.
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