Size:1999-2001 Ram1500,1999 Ram2500,28 9/16" long,w/A.T Why choose CRS Prop Shaft Assembly? For years, CRS prop shaft assembly is manufactured and tested to the strictest OE standards, also is improved to avoid those traditional design weaknesses, which makes our parts trusted by famous purchasing&retail groups, garage factories, vehicle owners globally. Now, on Amazon, you can get the same quality CRS prop shaft assembly from our factory directly at an affordable price, which already cut down the additional price added by distributors at all levels significantly. Features: OE Quality - TS17004 certified, tested to the strictest OE standards, also improved those traditional design weaknesses, to ensure vehicle fitment and product reliability. Easy Installation - arrives fully assembled, ready for hassle-free direct replacement. Tips If this part number prop shaft doesn't fit your vehicle, pls following the below tips to find the proper one: 1, pls try to filter through 'Size' option(just below the Title). These listings are all for DODGE Ram series (including Ram 2500, Ram 1500, Ramcharger )/ DODGE W Series(W350, W250, W150)/ Plymouth Trailduster, BUT may vary with different year, length, transmission, engine, drive type, position, or other notes. 2, if you still can't find the proper one after step 1, pls try to visit our store on Amazon - www.amazon.com/shops/AZ88LCF8ZZ9NX , and search your 'year make model +prop shaft' in it or email us with your vehicle information, vin#, so we may find the proper one for you.