Do the measuring, if it's a standard 1330 mopar U joint that your using it's actually a MOOG joint # 457C, or a Dana 53246X that you use. The 457C is a bastard joint that fits the mopar driveshaft and ford yoke. It's a 1330 x 7260 conversion joint. Cup dimensions are 1.063" and 1.078" PN is for1992 dakota 4x4 rear driveshaft at transmission, and rear axle.