Air Vent Cut Carburetor Solenoid - Honda Acty Truck HA3, HA4 Models - 1990-1999Give your vintage Honda Acty Kei Truck a breath of fresh air with an OEM air solenoid valve, specially designed for the HA3 HA4 HH3 HH4 models. This little valve may seem small, but it plays a big role in regulating the air intake to your truck's carburetor. Without it, your truck's engine could suffer from a lack of proper air to fuel ratio, resulting in poor performance and potential damage. Typically these are always good to replace when your truck