Uniquely identifiable with the part number permanently inscribed on the rubber.Enhanced thickness of 4.5 - 5.00mm in the rubber, surpassing the durability standards set by OEM requirements.Reinforced with 25% stronger 4140-grade steel studs for extended durability.Equipped with robust composite pistons for optimal performance.Assured quality with the highest leak test ratio conducted post final assembly.Compatible for :Firestone: W01-358-8829, 8829Goodyear: 1R12-405, 1R12-615, 1R12-647Volvo: 3934699, 8079902, 20733034Contitech: 9 10-16 P 449OEM Part Number: Load Guard SC2757,MACK 57QL54M,Volvo 20505399,Volvo 20733034,Volvo 3934699,Volvo 8079902,Volvo 8084296,Volvo 8097092Product Specifications:Extended Height: 20.00"Compressed Height: 6.10"Top Plate Width: 9.00"Piston Width: 10.00"Weight: 14.20 lbsWith MVP Truck Parts Air Springs, ensure enhanced performance and longevity of your vehicle, thanks to our unwavering commitment to quality and durability.