Part #: 200-456
New OEM Genuine Nissan rear differential mount. This rear diff mount will fit Datsun 240Z, Datsun 260Z, and Datsun 280Z, 7/1971-78. The rear differential insulator is what holds the front of the differential and if it is bad you will here a clunking in the rearend upon acceleration. *See PT# 650-345 for new front bolts for this mount.