High-quality aftermarket cylinder liner, part number 6540LD, designed for Perkins AD3.152, A3.152, D3.152, and AT3.152 engines. This liner is a critical component for engine rebuilds and maintenance, ensuring optimal combustion chamber sealing and engine performance. It fits a wide range of Massey Ferguson agricultural tractors including models 135, 148, 230, 240, 250, 340, 350, 355, 550, 154, 254, 364, 565, 675, 265, 275, 575, 590, 690, 290, 595, 698, 699, 298, 3050, 3060, 3065, 3070, 3075, 3080, 3085, 3090, 3095, 3115, 3120, 3125, 3610, 3630, 3645, 3650, 3655, 3670, 3680, 3690. Replaces OEM part numbers such as Perkins U5LL0012, U5LL0011, U5LL0008, and Massey Ferguson 3637151M1. Features a bore of 91.49 mm, flange outer diameter of 98.42 mm, and an overall length of 177.8 mm.