Differential Pinion Seal Rear Timken For 1973-1974 GMC G25/G2500 Van Vehicle Details$41Fresno, CA Manufacturer: BMWModel: 2500 This is a Classified ad on eBay for a fixed price of $41, this is NOT AN AUCTION. Click here to see all details. More DetailsPart Type: Differential Pinion Seal. Compatible Years: 1973 1974. 1973 GMC G25/G2500 Van 10.5 In. Ring Gear; Position: Rear;. 1974 GMC G25/G2500 Van 10.5 In. Search Required Parts. Warranty: 1 Year. More Vehicles Like This BMW 2500$37 BMW 2500$23 BMW 2500$33 BMW 2500$85