The Wabco Release Valve Assembly, part number 973-001-010-0 or 9730010100, is an OE-specification pressure reduction valve for heavy-duty air brake and air system circuits. It operates at a maximum pressure of 145.04 psi across a temperature range of -40°C to +80°C, with a 1:1 regulating ratio and a predominance value of 2.90 psi. The unit mounts via four M8 fasteners and features three M22x1.5 threaded ports plus one dedicated exhaust port, making port identification straightforward during installation. Overall dimensions are 104 mm x 100 mm x 105 mm. Sourced directly as a genuine Wabco component and sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
OE-specification pressure reduction valve, part number 973-001-010-0 or 9730010100
Maximum operating pressure: 145.04 psi
Regulating ratio: 1:1; predominance value: 2.90 psi
Three M22x1.5 threaded ports plus one dedicated exhaust port
Four-point M8 bolt mounting pattern
Operating temperature range: -40°C to +80°C; body dimensions 104 x 100 x 105 mm
Tech Specs
- Brand: Wabco
- Part Number: 973-001-010-0 or 9730010100
- Version: Pressure Reduction
- Technical Specification: OE Specification
- Max. Operating Pressure: 145.04 psi
- Regulating Ratio: 1:1
- Predominance: 2.90 psi
- Temperature Range: -40°C to +80°C
- Mounting: 4x M8
- Port Thread 1: M22 x 1.5
- Port Thread 2: 2x M22 x 1.5
- Port Thread 3: Exhaust
- Port Thread 4: M22 x 1.5
- Size: 104 mm x 100 mm x 105 mm
