The Perkins 311341650 is a genuine OEM camshaft bushing designed for Perkins 1000 Series engines, including models 1004-4, 1004-40, 1004-40T, 1004-42, 1004-4T, 1004-40TA, 1006-6, 1006-60, 1006-60T, 1006-60TA, and 1006-6T. This critical engine component features an inner diameter of 50.8 mm, an outer diameter of 55.6 mm, and a length of 31.7 mm, with a weight of 0.05 kg. It ensures proper camshaft rotation and longevity. Cross-referenced with Massey Ferguson 3638426M1.