The Dana Spicer Air Valve Assembly, part number 074879 or 74879, is a genuine Dana Spicer component designed for on-highway axle applications. Air valve assemblies in this role control pneumatic engagement and disengagement of axle functions, making correct part selection critical to drivetrain performance. Sourced and sold by Pro Gear and Transmission, this is an authentic Dana Spicer part, not a generic substitute. If you need to confirm this is the right valve for your specific axle configuration, call us before ordering.
Features
Genuine Dana Spicer part, not an aftermarket substitute
Part number 074879 or 74879
Designed for on-highway axle applications
Controls pneumatic axle engagement functions
Sold by Pro Gear and Transmission, call us to confirm proper fit for your axle
