Description
The World American WA284142 is an air brake safety valve for heavy-duty pneumatic systems. This precision-engineered relief valve maintains proper air pressure by venting excess system pressure, protecting air brake components from overpressure damage. Built to match Bendix 284142 specifications, it features a 0.25-inch NPT threaded port and 150 PSI cracking pressure ideal for tractor protection and auxiliary brake systems.
Specifications
| Manufacturer | World American (Aftermarket) |
|---|---|
| Part Number | WA284142 |
| Valve Type | Safety Relief Valve |
| Air Port Thread | 0.25 inch NPT |
| Cracking Pressure | 150 PSI |
| Length | 2.56 inches |
| Warranty | 1 year or 100,000 miles |
Cross References
This part replaces or is equivalent to the following part numbers:
- Bendix: 284142, 284142N, 284142P
- Dayton Parts: AV284142
- Euclid: E-BN284142N
- Fleetcraft: FC284142
- Freightliner: BW284142N
- Haldex: KN31200
- Mack: 745-284142N, 20QE1129
- Meritor: TDAR955284142N, R955284142, R955284142N, R955284142X
- Navistar: BX284142N, BAN284142
- Velvac: 030075
- World American: WAKN31400
Applications
This safety valve is used in air brake systems on heavy-duty trucks including:
- Freightliner, Kenworth, Peterbilt, Volvo trucks
- Mack, Navistar, Cummins trucks
- Trailers with auxiliary pneumatic systems
- Lift-axle and suspension control valve circuits
Always verify air system pressure rating and valve specifications before installation to ensure compatibility.
