Spring Arm 532131870 Craftsman Lawn Tractor Return Spring 131870 169022 Spring Return Idler Poulan Pro Husqvarna 105709X Lawn Trator Idler Arm Return Spring for... 1Pc JM-05 Mechanical valve manual valve pneumatic switch 2 Position 3 Way 1/4'' Thread. Product Name:Mechanical Valve. Model:JM-05. Fluid:Air Genuine Husqvarna replacement part. New, Bulk Packaged. Husqvarna Genuine OEM Return Spring - 532131870 Ride-on Mower, Tractor, Zero Turn Parts