The Midland Haldex KN28030 is an inversion valve designed for use on spring brake-equipped trucks and tractors. It monitors the primary reservoir air system and, upon detecting a failure, allows modulated control of the spring brakes to maintain safe stopping capability. All four ports (primary reservoir, supply, control, and delivery) are 1/4" connections. Mounting centers measure 4.65". This valve complies with pre-March 1998 FMVSS-121 regulations and is interchangeable with competitive models, though line relocation may be required. Cross-references include OEM number N20950AA. A genuine Midland Haldex part, sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
Inversion valve for spring brake-equipped trucks and tractors
Detects primary reservoir air system failure and allows modulated spring brake control
All ports (primary reservoir, supply, control, delivery) are 1/4" connections
Mounting centers: 4.65"
Complies with pre-March 1998 FMVSS-121 regulations
Interchangeable with competitive models (line relocation may be required)
Tech Specs
- Primary Reservoir 1/4"
- Supply 1/4"
- Control 1/4"
- Delivery 1/4"
- OEM Part Number N20950AA
- Mounting Centers 4.65"
