Bendix 298817N Red Trailer Air Supply Valve Control Knob for MV-3 Dash Brake Valve

The Bendix 298817N is a genuine OEM replacement control knob designed specifically for MV-3 dash brake valves in commercial vehicle air brake systems. This red octagon-shaped knob serves as the trailer air supply control, providing drivers with a convenient and user-friendly interface for managing trailer brake operations.

Key Features:

• Genuine Bendix OEM quality construction for reliable performance
• Distinctive red octagon design for quick visual identification
• Threaded mount with 0.63-inch hole thread size for secure installation
• Compact dimensions (41mm x 41mm x 38mm) for easy handling
• Functions as trailer air supply control for dash-mounted brake valves
• Marked with "Pull to evacuate and push to supply" instructions
• Premium materials engineered for durability in demanding commercial applications

This replacement knob is an essential component when the original becomes worn, damaged, or illegible. Designed to meet stringent OE quality standards, it ensures proper control and operation of your vehicle's trailer air brake supply system. Compatible with Bendix MV-3 valve assemblies commonly found in Freightliner, Mack, Volvo, Peterbilt, and other heavy-duty commercial trucks.