Specification Brand : StayCoolPumps BulletPoint1 : New Impeller Kit includes new impeller and gasket. This fits a 6 bolt cover with a 2-1/4" (58mm) diameter. BulletPoint2 : Replaces Yanmar Marine Diesel : Impeller 104211-42070 , 104211-42071 , Sierra 18-8952 , Gasket 104211-42090 BulletPoint3 : Fits Pump numbers: 128270-42000 , 128270-42002 BulletPoint4 : Fits Yanmar: 2QM15, SB8, SB12, SVE8, SVE12, YSB8, YSB12, YSE8, YSE12, YSM8, YSM12 and some GM models BulletPoint5 : 104211-42070 water pump impeller (has drive pin that fits slotted shaft) fits all YS series Color : 9 1/4x10-J CompatibleWithVehicleType : Boat EngineType : Outboard ExternallyAssignedProductIdentifier1 : 638170780998 ExternallyAssignedProductIdentifier2 : 0638170780998 ExternallyAssignedProductIdentifier3 : 0733810569909 ExternallyAssignedProductIdentifier4 : 0609832308485 FuelType : Gasoline GpsrSafetyAttestation : 1 IncludedComponents : impeller , gasket ItemDisplayWeight : 5.6 pounds ItemName : SCP-104211 Impeller Kit Replaces Yanmar 104211-42071 ItemPackageDimensions_Height : 15.24 centimeters ItemPackageDimensions_Length : 2.54 centimeters ItemPackageDimensions_Width : 10.16 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : boat-propellers Manufacturer : StayCoolPumps Material : Rubber , Brass , Gasket Paper MaximumHorsepower : 15 horsepower ModelName : FBA_SCP-10421142071 ModelNumber : SCP-10421142071 MountingType : Engine Mount NumberOfBoxes : 1 NumberOfItems : 1 OemEquivalentPartNumber : 104211-42070 , 104211-42071 , 18-8952 , 104211-42090 OperationMode : Manual PartNumber : SCP-10421142071 Pattern : Solid ProductDescription : Impeller and gasket Kit This fits a 6 bolt cover with a 2-1/4" (58mm) diameter. This will not fit Closed Cooling ( antifreeze ) Models If your model has fresh water cooling (antifreeze) add F to the end of your model number. Replaces: Impeller Numbers 104211-42070 , 104211-42071 , Sierra 18-8952 Gasket 104211-42090 104211-42070 water pump impeller (has drive pin that fits slotted shaft) fits all YS series, all Japanese built raw water cooled 2/3GM's, 2GM20's, 3GM30's up to 1996 & 2QM15. Fits Yanmar: 2GM , 3GM , 3GMD , 1980-83 2GM20 , 3GM30, 83-05 raw water cooled (no antifreeze), made in Japan. Will not fit 1997 and later European made. ( the serial number will start with E on the European models) 2QM15 , 1977-80 SB8 , SB12 , 1976-80 SVE8, SVE12, 1974-76 YSB8 , YSB12 , 1976-77 YSE8 , YSE12 , 1974-76 YSM8 , YSM12 , 1977-80 Pump numbers: 128270-42000 , 128270-42002 Diameter: 40mm (1.58") Width: 19mm (3/4") Shaft: 9.5mm (3/8") 6 Blades ProductSiteLaunchDate : 2016-02-04T08:00:00Z RecommendedUsesForProduct : Recreational activities on calm waters (freshwater lakes, protected coastal areas); suitable for small boats; recommended uses may include fishing, water sports, or leisure cruising. SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 40151500 WarrantyDescription : none, as this is a wear item