Part Number： 658882、0262077、0624993 A6992950018 9700511070、9700511110Air-over-hydraulic design (75mm bore, 67mm stroke, 4000N output) reduces clutch pedal effort for heavy-duty trucks.Precision machined aluminum body + high-grade rubber seals for leak-proof, long service life under harsh conditions.Perfect fit for DAF, Iveco, Mercedes-Benz trucks; matches original mounting, air (M16x1.5) & hydraulic (M14x1.5) ports.pressure tested to meet WABCO OE specs; fixes hard pedal, slipping, or leaking clutch systems.