Specification Brand : OCPTY BulletPoint1 : Type: Parts :Unloader Valve Replacement Power Washer Pump parts BulletPoint2 : Fitment:For AR Pumps RMW2G25, RMW2.5G25, RMW2.5G27, RMW2.5G26D-F7 BulletPoint3 : Details:The diameter of the inner ring is about 0.5cm,the outer ring is about 1.0cm and the height is 1.6cm BulletPoint4 : Includes:This kit contains 6 check valves to rebuild these two pumps listed above and many other RMW vertical pumps that AR builds. We also keep in stock other repair kits for these pumps. BulletPoint5 : NOTE-Please check the description or use the year/make/model drop down bar and interchangeable part numbers to confirm the compatibility IncludedComponents : Pressure Washer Pump ItemName : OCPTY Horizontal Pressure Washer Pump Accessories AR Pressure Washer Unloader Valve Kit AR42123 For RMW and SRMV Pumps ItemPackageDimensions_Height : 9.6 centimeters ItemPackageDimensions_Length : 1.4 centimeters ItemPackageDimensions_Width : 7.6 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : pressure-washer-accessories Manufacturer : OCPTY ModelNumber : Pressure Washers NumberOfItems : 1 PartNumber : AR42123 AR42499 ProductDescription : SPECS: For AR Pumps RMW2G25, RMW2.5G25, RMW2.5G27, RMW2.5G26D-F7The diameter of the inner ring is about 0.5cm,the outer ring is about 1.0cm and the height is 1.6cmMOUNTING