This is a New REPRODUCTION Carb. Check Valve Intake Pipe with nut for a Briggs & Stratton Gas Engine. Replaces Briggs Number 68109 or 69386. NOTE: Fits Model FH or S with Potmetal (68139) Carburetor. 2 1/16 inches overall Length and has 1/4 28 threads. Last Picture shows Check Valve installed on Carburetor. Carburetor NOT included in sale.