Genuine Bendix 800573 MV-3 Control Module, 1/4"-20 Mounting Holes, 1/4" NPT Ports Part Number: 060-800573

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This MV‑3 variant (Bendix 800573) features 1/4"-18 NPT supply and delivery ports along with 1/4"-20 threaded mounting holes. The mounting ears are recessed below the top surface of the mounting plate, matching the dash panel configuration used on certain OEM applications. This model also includes a 1/4" NPT female to 1/8" NPT male conversion fitting for auxiliary connections.

Special Notes

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Product Description

Manufacturer: Bendix

Part Number: 800573

Condition: New

Supply 11 Port: 1/4"-18 NPT

Supply 12 Port: 1/4"-18 NPT

Delivery 21 Port: 1/4"-18 NPT

Delivery 22 Port: 1/4"-18 NPT

Exhaust Port: 1/4"-18 NPT

Auxiliary Port: None (adapter fitting included)

Mounting Holes: 1/4"-20 threaded (4x)

Mounting Plate: Recessed ears below top surface

Included Fitting: 1/4" NPT female to 1/8" NPT male adapter

Tractor Trip Pressure: 30 ± 10 PSI

Trailer Trip Pressure: 35 ± 10 PSI

Trailer Override Pressure: 25 ± 5 PSI

Button(s) Included: Yes

The Bendix MV-3 Dash Control Module is a dual-button, push-pull valve that controls the tractor and trailer parking brake circuits from a single dash-mounted assembly. It consolidates tractor protection, trailer supply, and system park functions into one compact unit, replacing any existing two- or three-valve push-pull system with reduced plumbing complexity.

The MV-3 uses an integrated dual-circuit supply check valve to manage both primary and secondary reservoir connections, providing automatic trailer brake application if supply pressure drops to approximately 20-45 PSI, with a non-override trip piston activating at 20 PSI. The non-metallic, non-corrosive valve body has all air connections at the rear, with an optional auxiliary port available on select configurations.

Cross References: 065187, 107433, 5005059, 65187, 5005081, RKN20611, A12-17319-001, A12-17319-002, A12-17319-009, S-16933
A cross reference listing means that this item should be a suitable replacement for the part numbers listed. You should check the description to be sure it will work in your application.