Specification Brand : Tuzliufi BulletPoint1 : Compatible with BG75 FC75 FC85 FR85 FR85T FS80 FS85 KM85-Z KM85 KM85R HL75 HS85 HS75 HT75..... BulletPoint2 : Compatible with 4137 400 1350 4137-400-1350 41374001350. BulletPoint3 : May be compatible with FH75 FS75 FS80R FS85R FS85T FS85RX HL75K HS80 HS85 HT70 KM80 SP80 SP85,, not very sure BulletPoint4 : May be compatible with 4140-124-2800 4137-120-0606, not very sure. BulletPoint5 : Note: This item is a replacement part. Not OEM part. Please make sure the images are the same with what you want. If not, please do not purchase it even your model is in the described list! BulletPoint6 : Warranty: 90 days no question warranty ExternallyAssignedProductIdentifier : 00197111478276 ExternallyAssignedProductIdentifier1 : 0608574997704 ExternallyAssignedProductIdentifier2 : 608574997704 FitType : Universal IncludedComponents : air filter ItemName : Tuzliufi Ignition Coil Armature Magneto Compatible with Stihl 4137 400 1350 4137-400-1350 BG75 FC75 FC85 FR85 FR85T FS80 FS85 KM85-Z KM85 KM85R HL75 HS85 HS75 HT75 String Trimmer Brushcutter Z541 ItemPackageDimensions_Height : 8.4074 centimeters ItemPackageDimensions_Length : 4.699 centimeters ItemPackageDimensions_Width : 5.8928 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : string-trimmer-replacement-parts ItemTypeName : air filter Manufacturer : Tuzliufi MaximumFlowRate : 2.5 gallons_per_minute ModelName : Air filter ModelNumber : H6500-6633 NumberOfItems : 1 PartNumber : Z541 PowerSourceType : Mechanical ProductDescription : Compatible with Stihl BG75 FC75 FC85 FR85 FR85T FS80 FS85 KM85-Z KM85 KM85R HL75 HS85 HS75 HT75 Compatible with 4137 400 1350 4137-400-1350 41374001350 May be compatible with Stihl FH75 FS75 FS80R FS85R FS85T FS85RX HL75K HS80 HS85 HT70 KM80 SP80 SP85May be compatible with 4140-124-2800 4137-120-0606 , not very sure Note: This item is a replacement part. Not OEM part. Please make sure the images are the same with what you want. If not, please do not purchase it even your model is in the described list! ProductSiteLaunchDate : 2020-08-17T10:08:39.230Z SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 WarrantyDescription : 90 days no question warranty