1981 GMC Suburban Differential End Yoke C1500 Suburban - RWD - GM 8.5 in. - Pinion Yoke - U-Bolt Style - For Use w/1310 U-Joints - Outside Snap Ring - Rear Differential guaranteed to replace your current 1981 GMC Suburban Differential End Yoke C1500 Suburban - RWD - GM 8.5 in. - Pinion Yoke - U-Bolt Style - For Use w/1310 U-Joints - Outside Snap Ring - Rear Differential. 1981 GMC Suburban Differential End Yoke comes new OEM 1981 GMC Suburban Differential End Yoke aftermarket new 1981 GMC Suburban Differential End Yoke of remanufactured 1981 GMC Suburban Differential End Yoke C1500 Suburban - RWD - GM 8.5 in. - Pinion Yoke - U-Bolt Style - For Use w/1310 U-Joints - Outside Snap Ring - Rear Differential.