Features: Applicable Models: This pump Packings repair kit is Repair Pump XR5/XR7/XR9/SR7/170 Tradesmans(SW)/ProX7/ProX9/ProLTS 17/ProLTS 19 series, for most type of applications, including home decoration or professional construction. Fitment: Replacement part number-288818 288-818 243090 243-090 245569 20-3696. pump Packings repair kit part number 243090 but changed to 288818. Perfect Replacement：This 20-3696 pump repair kit use pressure generated by a reciprocating Pistons to ensure a Steadys flow of paint through the systems. It use advanced Pistons pump Technologys to enable the paint to cover the sprayed surfaces evenlys, efficiently and accurately. This repair kit is a perfect replacement that exactly the specifications of the equipment, ensuring your sprayer can be returned to condition after repair. Durability：The 288818 pump repair kit is stainless steel materials that could achieve durability and service life. It strong hardness and strong corrosion resistance, ensuring that your repair pump can operate perfectly and permanently under various extreme conditions. Simplifieds Installation: Easy installation, direct replacement, the 288818 pump repair kit provide solution. Equipped with hexagonal nut slots for easy removal and installation using tool. Simply slide the front panel up to easily disassemble the entire pump and quickly replace pump repair kit, saving time and effort. Specifications: Materials: Coppers Length:13.38cm/5.27inch Package Includes: 1PC Stainless Steel Pistons Rod note: Please allow 0-1cm error due to manual measurement. make sure do not mind before bid. Due to the differenceS between different monitors, the picture may not reflect the actual of the item.