2000 GMC Sierra Ring and Pinion Set C2500 - RWD - GM 10.5 in Rear - w/ 14 Bolt Cover - 3.73 Ratio - Ring and Pinion Set - Fits 3 series 4.10 & Down Carrier - Rear guaranteed to replace your current 2000 GMC Sierra Ring and Pinion Set C2500 - RWD - GM 10.5 in Rear - w/ 14 Bolt Cover - 3.73 Ratio - Ring and Pinion Set - Fits 3 series 4.10 & Down Carrier - Rear. 2000 GMC Sierra Ring and Pinion Set comes new OEM 2000 GMC Sierra Ring and Pinion Set aftermarket new 2000 GMC Sierra Ring and Pinion Set of remanufactured 2000 GMC Sierra Ring and Pinion Set C2500 - RWD - GM 10.5 in Rear - w/ 14 Bolt Cover - 3.73 Ratio - Ring and Pinion Set - Fits 3 series 4.10 & Down Carrier - Rear.