Steel Separator Plate for Caterpillar 1A3987 - 368 x 272 x 2.3 mm IT88

Replacement steel separator plate for Caterpillar part number 1A3987. Internal spline with 88 teeth (IT88). Size 368 mm OD x 272 mm ID x 2.3 mm thick. Aftermarket replacement by Nantong Yida, not an OEM part. Fits construction machinery transmissions, wet clutch packs and brake assemblies. Hardened steel, flat and burr-free, ground for oil-clearance control. Custom OD, ID, thickness and material by drawing or sample.