National Transmission Output Shaft Seal for 1967-1974 GMC K25 K2500 Pickup td Vehicle Details$10Indianapolis, IN Manufacturer: BMWModel: 2500 This is a Classified ad on eBay for a fixed price of $10, this is NOT AN AUCTION. Click here to see all details. More DetailsThis National Manual Transmission Output Shaft Seal fits your 1974 1973 1972 1971 1970 1969 1968 1967 GMC K25/K2500 Pickup and is perfect for a tune up or performance upgrade. . More Vehicles Like This BMW 2500$37 BMW 2500$23 BMW 2500$33 BMW 2500$85