HIFROM(TM) Air Filter (Air Clean Element) For BWS 125 BWS125 YAMAHA 5S9-E4451-00 1. Replacement: 5S9-E4451-00 2. This is non original part will fit Yanmar L40 , L48, L60, L70 engines.4HP, 4.8HP 7HP 3. Please check the pictures and size carefully before you buy it 4. HIFROM air filter from OEM BIG Factory; Professional technical support; if you unsatisfy, please return no risk 5. If you are not sure if this is the correct item for your machine please send us your machine numbers and years, we will gladly check for you.