BENTLEY-HARRIS Relay Valve Bentley-Harris Part No: 103912
$143.00
The 103912 Relay Valve from Bentley-Harris is designed to improve air brake system efficiency by accelerating brake chamber response times. It regulates compressed air flow with precision, helping maintain consistent braking performance under demanding conditions. Built for heavy-duty truck applications, this valve reduces lag, enhances control, and supports safer vehicle operation. Its durable construction ensures long service life while minimizing maintenance needs across the fleet and commercial use.
Specifications
The 103912 Relay Valve by Bentley-Harris is an essential air brake component engineered for dependable pressure control and faster brake actuation. By routing reservoir air directly to the brake chambers when signaled, it reduces application delay and improves braking responsiveness. Manufactured from high-quality materials, this relay valve withstands harsh environments, vibration, and continuous commercial use. It helps maintain balanced braking performance, lowers wear on related components, and supports safer operation in heavy-duty trucks. Ideal for fleets, owner-operators, and maintenance shops, the 103912 delivers reliable airflow management and long-lasting durability.
Compatibility
Freightliner Columbia (2000–2010)
Freightliner Century Class (1996–2010)
Kenworth T660 (2007–2017)
Kenworth T680 (2013–Present)
Kenworth W900 (1990–Present)
Peterbilt 379 (1987–2007)
Peterbilt 389 (2007–Present)
Peterbilt 579 (2012–Present)
Volvo VNL Series (2004–Present)
Volvo VNR Series (2017–Present)
Mack Pinnacle (2006–2018)
Mack Anthem (2018–Present)
International ProStar (2006–2016)
International LT Series (2017–Present)
Western Star 4900 (1989–Present)
Alternative Part Numbers
- Bendix 103912
- Bentley-Harris 103912
- Euclid E-103912
- FleetPride 103912
- Haldex 103912
- Midland 103912
- Navistar 103912
- TRP 103912
- WABCO 103912
- Wofford 103912
