This trailer air spring fits trailer suspensions originally equipped with Watson & Chalin AS-0057 or any of the cross-referenced part numbers above
Attribute Value Baffled No Capacity (Qt) 44 Color/Finish Black Crank Shaft Wiper Included No Drain Plug Included Yes Drain Plug Thread Size 1-18 Gasket or Seal Included Yes Installation Hardware Included No Material Steel Mounting Hole Quantity 36 Oil Level Sensor Port Yes Pick Up Tube Included Yes Product Dimensions (LxWxH) 47 x 15
The World American WAK18-12-2L is a heavy-duty 2-line hydraulic hose kit engineered for high-performance wet line systems in commercial trucks and trailers
W900 (driveline-dependent)
and Low Air Leaf rear suspensions
PAI LPR-3712 Pressure Protection Valve – 120 PSI, Replaces Mack 20QE2326A Oil Cooler Gasket Kit This trailer air spring fitsPremium aftermarket replacement pressure protection valve from PAI Industries. The LPR 3712 is a PR 4 style valve that opens at 120 psig, with one 1 4 in NPT inlet and two 1 4 in NPT protected outlets. It isolates auxiliary air circuits from the brake supply so that an accessory leak cannot drain the air needed for braking, and it replaces Mack 20QE2326A. Signs You Need a New Pressure Protection Valve An accessory circuit air seat, cab air suspension,
