- High-Quality Torque Air Brake Chamber Service Type 20
- Steel Pressure Housing; Powder coated with resistance welded air ports
- World Class Diaphragm; High quality rubber compound, resistant to heat and cold; Superior flexibility even
at -40°F
- Sturdy Service Housing; Powder coated for corrosion resistance; Step bottom with 12 gauge steel
- Self-piloting Dust Shield 
- Replaces 
Bendix: K028225, 801811, 801812, 5019641, 509642
Haldex: SC20, SC20D, 125200101
MGM: 1621-CS20L
TSE: 20HSCND2-3630, 20SCLD2H
Dayton: 05-120
Velvac: 030017 - Specifications
Actuator Type Size: 20
Stroke Type: Standard
Available Stroke: 2-1/4", 57mm
Length from mounting bracket to end of Spring Housing: 4", 102mm
Dimension at Service Clampband: 8-5/8", 218mm
Stud Spacing with 5/8-11 UNC studs: 4-3/4", 120.7mm
Pushrod Length from face of Service Housing: 10-3/16"
Pushrod threads 5/8"-18 UNF
Service Clampband position: 0°
Air Port position: 90°
Weight: 7.5 lbs. , 3.4 kg.