Suitable for 1 x Lawnmower Fuel Cap for B&S engines 3.5 to 5 hp: vertical, MAX, QUANTUM and EUROPE Compatible with & engine models such as: 08P500, 090600, 090700, 099700, 09P600, 09P700, 100600, 100700, 100800, 110600, 110700, 111600, 111700, 112P00, 114700, 114P00, 11A600, 11P900, 120600, 120K00, 121600, 121700, 121800, 12122600, 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 & engine) - & 692046 - & 397974 - & 493017 - & 4227 - ERING B 397974 (with & engine) - John Deere PT11028 (with & engine) - SABO 26502 (with & engine) - Wolf 2003 501, 2057 318, 2064 501, 2069 308 (with & engine) Note: This fuel cap fits & engines only with a 42mm fuel filler neck. Many other fuel caps exist with similar dimensions. Even if the tank neck appears identical, always verify compatibility with your specific & engine model and fuel neck specifications before purchase. Thread pitch and tank neck design may vary between manufacturers. This cap is designed specifically for the & models listed above and will not fit other engine types, such as MTD engines found on certain Campus models. Visit our store for additional compatible parts.