42.5mm Cylinder Piston Kit Fit For TJ45E TJ45 Garden Tools Lawn Mower Engine Part 11005-2165 This cylinder piston kit is designed for compatibility with TJ45E and TJ45 garden tool engines.It includes a 42.5mm diameter cylinder and piston assembly, intended as a replacement part for lawn mower engine models requiring 11005-2165.The kit supports engine performance by providing a functional piston and cylinder set that fits specified small engine applications.Compatibility Note: This is a third-party replacement component.Brand and model references are included solely to indicate fitment.