800527 Dash Control Valve Bendix Replacement
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- Description
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Bendix 800527 MV-3 Control Valve – Dash Control Module
The Bendix 800527 MV-3 control valve is a dual-button, push-pull dash control module for heavy-duty air brake systems. It brings tractor and trailer parking-brake and trailer-supply control together in one compact assembly, helping replace separate two- or three-valve push-pull arrangements with a consolidated control and simpler air-line routing.
Designed for dashboard mounting, the MV-3 module incorporates a dual-circuit supply arrangement and check-valve function. Its red and yellow push-pull buttons let the driver operate the trailer air supply and parking-brake controls from a single location. The 800527 configuration has 1/4-inch NPT ports and M6 x 1-6H threaded mounting holes. Check your existing valve’s port locations, mounting pattern, and plumbing before installation to confirm the correct replacement.
Product Details
- Part number: 800527
- Manufacturer: Bendix
- Product type: MV-3 dash control module / air brake control valve
- Control style: Dual-button push-pull
- Air ports: 1/4-inch NPT
- Mounting threads: M6 x 1-6H
- Application: Heavy-duty truck and tractor-trailer air brake systems
Why Choose the MV-3 Design?
- Combines key tractor and trailer air-brake controls in one dash-mounted module
- Consolidates functions commonly handled by separate push-pull valves
- Uses a dual-circuit supply arrangement with an integrated check-valve function
- Provides a practical replacement option when the existing valve’s part number, ports, and mounting match
Fitment note: Air-brake valves are safety-critical components. Verify the Bendix 800527 part number, port configuration, mounting threads, and vehicle application before purchase. Installation and testing should follow the vehicle and component manufacturer’s service instructions and be performed by a qualified technician.
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