Suitable for 1 x Lawnmower Fuel Cap for B&S engines 3.5 to 5 hp: vertical, MAX, QUANTUM and EUROPE. Compatible with Briggs & Stratton engine models including: 08P500, 090600, 090700, 099700, 09P600, 09P700, 100600, 100700, 100800, 110600, 110700, 111600, 111700, 112P00, 114700, 114P00, 11A600, 11P900, 120600, 120K00, 121600, 121700, 121800, 122700, 122800, 122H00, 122K00, 122Q00, 122R00, 122S00, 122T00, 123800, 123K00, 124600, 124700, 124800, 124S00, 124T00, 125600, 126700, 126800, 127600, 127800, 128600, 128700, 128800, 131700, 133700, 135700, 14B900. Example model/type: 128802-2048-B1, etc. Specifications: - Height: approximately 17mm - External Diameter: 51.5mm - Internal Diameter: 42mm (thread) - Fits tank neck: 42mm thread, approximately 45mm Replaces: - AL-KO 130397974 (with Briggs & Stratton engine) - Briggs & Stratton 692046 - Briggs & Stratton 397974 - Briggs & Stratton 493017 - Briggs & Stratton 4227 - ERING B 397974 (with Briggs & Stratton engine) - John Deere PT11028 (with Briggs & Stratton engine) - SABO 26502 (with Briggs & Stratton engine) - Wolf 2003 501, 2057 318, 2064 501, 2069 308 (with Briggs & Stratton engine) Note: This fuel cap fits Briggs & Stratton engines only with a 42mm fuel filler neck. It will not fit Campus 48 models with MTD engines. Many fuel caps may appear similar, but thread pitch and tank neck dimensions vary between manufacturers. Please verify your engine model and fuel neck dimensions before purchasing. This cap is designed specifically for the Briggs & Stratton models listed above. Please visit our store for additional compatible parts. Thank you.