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MPPARTS will be closed on Mon. 5/26, in observance of Labor Day.

Aftermarket Replacement for
Part Number: WM399L
Williams WM399L Single Treadle Dual Valve
This item is NOT eligible for returns or cancellations
The unit consists of two compensating three-way pressure regulators mounted to a common plate. Each regulator valve has independent supply and delivery ports to insure dual function protection. Engineered for easy installation, the WM399L can be mounted through a single hole in the floor of the operator's compartment.

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