Briggs & Stratton, L-Head Spark Plug, Fits Most B&S L-Head Engines Including 475, 500, 600, 625, 650 & 675 Series, Fits Previous Classic, Sprint, Quattro & Quantum Series B&S Engines With A Range Of 3 HP - 23 HP, For Use On Such Brands As Craftsman, Husqvarna, John Deere, Mt, Poulan, Poulan Pro, Snapper, Toro & Many Others Equipped With The Listed Engines, Replaces Champion #s Rj19lm, Rj17lm, Rcj8, J19lm, J17lm & Cj8, DIY Version Of Briggs Service Part #796112S.