Coupling Rear Drive (Sp10) DESCRIPTION MF Part No. MTL No. Dim A(1) MF Model No. 1680189M1 503020 10 Spline 375,385,385-4WD DESCRIPTION MF Part No. MTL No. Dim A(1) MF Model No. 1871924M1 50008 10 Spline 240,260,350,360