Details: One Pair of Gabriel 83009 Fleetline Cab Shocks for Freightliner Class, Columbia, FLD Series 112 and 120, Mc Neilus Truck and Manufacturing and Osh Kosh Motors Replaces the following part numbers, 18-29846-000, 654739, 18-44321-000, 18-60769-000, 2218640, and 2218640MTM Expanded Length: 10.41", 264.41mm Collapsed Length: 8.36", 212.34mm Stroke: 2.99", 75.95mm Bore: 1-3/8" Dust Tube: Yes Recoil Cutoff: Yes Rebound: 793 lbs Compression: 363lbs Upper Mounting Code: ES149 Lower Mount Code: ES149 We recommend using the part numbers on your current shocks or contacting a dealer with your VIN to get the correct part number needed for your shock