The Wabco 4757004020 is a genuine OEM automatic air suspension leveling valve designed to maintain consistent ride height under changing load conditions. It operates dynamically with a 1:3.1 regulating ratio, a break point of 5.8 psi, and an adjustment range of 14.50 to 94.27 psi. Maximum operating pressure is 145.0 psi. Port threads include two M22 x 1.5 ports, an exhaust port, and M12 x 1.5 ports (ports 4, 41, and 42). Mounting uses two 9.0 mm diameter bolt holes spaced 2.28 inches apart. The valve is set using nomograph 4757009093 and carries OE specification status. Call us to confirm proper fit for your application.
Features
Genuine OEM Wabco part, OE specification
Dynamic type operation with 1:3.1 regulating ratio
Break point 5.8 psi; adjustment range 14.50 to 94.27 psi
Maximum operating pressure 145.0 psi
Port threads: 2x M22 x 1.5, exhaust, and M12 x 1.5 (ports 4, 41, 42)
Mounting: two 9.0 mm diameter holes, 2.28 in bolt spacing; operating temperature -40°C to +80°C
Tech Specs
- Brand: Wabco
- OEM Status: Genuine OEM - OE Specification
- Type: Hydraulic, Dynamic operation
- Break point: 5.8 psi
- Range of adjustment: 14.50 to 94.27 psi
- Regulating range: 10 to 65 bar
- Regulating ratio: 1:3.1
- Max. operating pressure: 145.0 psi
- Temperature range: -40°C to +80°C
- Port thread 1: M22 x 1.5
- Port thread 2: M22 x 1.5
- Port thread 3: Exhaust
- Port thread 4: M12 x 1.5
- Port thread 41: M12 x 1.5
- Port thread 42: M12 x 1.5
- Mounting: 2x 9.0 mm diameter bolt holes
- Distance between bolts: 2.28 in
- Overall size: 437 x 182 x 106 mm
- Set using nomograph: 4757009093
