Reference Part Number:  replacement for Firestone W01-358-9069, W01-703-8812, W01-703-8813, W01-703-8814 replacement for ContiTech 65990, 910-14P577, 910-14 P 312 replacement for Goodyear 1R121204, 1R12-1204, 1R12-069 replacement for Navistar 554764Cl replacement for Volvo 85101145 replacement for Peterbilt 03-01649, 03-02038, 03-02456, 03-04759, 03-06746, 03-07112,03-10042 Other parts number: fit for Hendrickson S-13031 for Triangle 8312 for Kenworth C81-6022, C811003 for Dayton 352-9069 for SAF Holland 57009069 for Watson & Chalin  AS-0077 for Ridewell 1003589069C for Neway 57009069 for TRP AS90690 for Taurus 6362 for Road Choice AS9069   Specification: Top plate screw (nut) teeth: 2 x 3/8-16UNC The screw center distance of the top cover plate: 157.5mm / 6.2 inch Screw (nut) teeth of the bottom cover plate: 3/8-16UNC Air hole/air inlet: 1/2-14 NPT Top plate diameter: 231mm / 9.1inch Diameter of the bottom cover: 240 mm / 9.4inch Stroke: from 190mm/7.5inch to  457mm/18inch Intern Jounce Bumper: Included Condition: Brand New Quantity: 1 Piece Material: Natural rubber Package Length, width and height: 36*36*31cm/14.2*14.2*12.2 inch Package Wight: 7.6 Kg/16.8 LBS   Features: 1、Highest leak test ratio: 100% Air Tightness Testing. 2、Tested over 4,000,000 times, most air springs are only tested 1,000,000 times. 3、Temperature Range ≥-40°F/≤158°F: Premium Natural Rubber Material. 4、Exceeds OEM requirements for 4.5-5.0 mm thick rubber. 5、12.9 grade high strength steel studs. 6、Withstand 2Mpa of air pressure before the rubber burst. 7、Careful evaluation of OEM specifications. 8、Strict quality control. 9、Sturdy & Durable Material. 10、Reduces Damage of Trailer, Cab And Truck Body. 11、Reduce driver discomfort and dangerous fatigue, improve driver safety. 12、Allow perfect load equalization between axles. Provide constant-level hauling. 13、Increase life of tires and brake linings. 14、Substantially reduce breakage and maintenance of other vehicle components.   Notice: – These air suspension bags are aftermarket ones. They will replace the original air springs. -Instruction is not included. Professional installation is recommended -Contact us please for whatever we can help   Condition: 100% brand new Warranty: 1-year warranty for any manufactured defect Accessories: You will get exactly as shown in the picture above Our brand is maXpeedingrods, all products made in our own factory with more than 10 years experience