This unloader spring is sold as a 2-piece pack for Mack air brake systems. It seats within the compressor's unloader mechanism, helping the pin or valve return to its resting position once system pressure drops so normal compression can resume. It also fits certain Navistar applications.
Interchanges:
- Mack 362SB154
- Mack 745-239972
- Navistar 157662H2
- DSP-4108
This unit is sold in packs of 2.
Features
Unloader spring for air brake systems
Sold as a 2-piece pack
Air Brake Parts product group
Tech Specs
- Sell pack: 2 pieces
