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WM388U1C3D Genuine Williams Air Throttle Control Valve

WM388U1C3D Genuine Williams Air Throttle Control Valve

P/N: WM388U1C3D Manufactured by: Williams Controls
$519.00 - $519.00
$519.00
$519.00 - $519.00
$519.00
1 in Stock
Condition: New
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2-Year Warranty

At Line Truck Parts LLC, we are committed to providing reliable automotive parts and a transparent customer experience. Eligible parts purchased directly from our website are covered by a 2-Year Limited Warranty, giving you added confidence in your purchase. Learn More

Product Overview

The WM388U1C3D is a genuine Williams Controls Air Throttle Control Valve designed for factory air throttle system operation. This valve regulates pneumatic throttle input and converts operator control into the corresponding air control signal for the throttle system. 

Product Features

The WM388U1C3D Air Throttle Control Valve is manufactured to Williams Controls factory specifications for pneumatic throttle control.

  • Regulates air pressure input for the factory throttle control system.
  • Converts operator pedal movement into a pneumatic throttle control signal.
  • Designed to integrate with the original equipment air throttle circuit.
  • Manufactured to match the OEM mounting and air port configuration.
  • Supports consistent pneumatic throttle control operation.

Technical Specifications

Condition New
Part Number WM388U1C3D
Brand Williams Controls
Part Type Air Throttle Control Valve


Installation Notes

The WM388U1C3D Air Throttle Control Valve should be installed following Williams Controls OEM service procedures. Inspect all pneumatic connections, mounting hardware, and linkage adjustments before placing the throttle system into service.

Verify part number, VIN, engine configuration, production date, emissions package, and applicable factory options before installation.