The Apsco SK-3909 is an O-ring repair kit designed for use with a 4-inch cylinder and a 1.25-inch rod. Pro Gear and Transmission carries this genuine Apsco part for shops maintaining air control systems on heavy-duty trucks.
Features
Fits 4 in. cylinder with 1.25 in. rod
O-ring repair kit for air slave valve and compressor cylinder service
Sold as individual kit (each)
Tech Specs
- Cylinder Size: 4 in.
- Rod Diameter: 1.25 in.
- Unit of Measure: Each
