Sintered Friction Plate for Caterpillar 8B4172SI - 342.9 x 139.7 x 4.7 mm

Replacement sintered friction plate for Caterpillar part number 8B4172SI. Size 342.9 mm OD x 139.7 mm ID x 4.7 mm thick. Aftermarket replacement by Nantong Yida, not an OEM part. Fits construction machinery transmissions, wet clutch packs and brake assemblies. Sintered friction facing bonded to a steel core for wet clutch and brake duty. Custom OD, ID, thickness and material by drawing or sample. Copper-based, iron-based and paper-based plates also available.