This aftermarket Wolf 17701 head gasket is a high-quality replacement for the Perkins 17701 OEM part. Designed for a precise fit and reliable sealing, it is compatible with Perkins A3.144, A3.152, AD3.152, and D3.152 engines. It ensures optimal engine compression and prevents coolant or oil leaks. This gasket also fits various Massey Ferguson tractor models including 35, 135, 145, 148, 152, 230, 240, 250, 350, 550, 20D, 20F, 30B, 30E, 40B, and 40E.