Genuine Briggs & Stratton spark plug for selected L-head engines. Replaces Briggs & Stratton service part number #802592S. Briggs & Stratton, L-Head Spark Plug, Fits Most B&S L-Head Engines Including 475, 500, 600, 625, 650 & 675 Series, Also Fits Previous Classic, Sprint, Quattro & Quantum Series B&S Engines With A Range Of 3HP - 23HP, For Use On Such Brands As Craftsman, Husqvarna, John Deere, MTD, Poulan, Poulan Pro, Snapper, Toro & Many Others Equipped With The Listed Engines, Replaces Champion Model #s RJ19LM, RJ17LM, RCJ8, J19LM, J17LM & CJ8.