Bendix 800521 MV-3 Control Module, Ford Trucks, 1/4"-20 Threaded Mounting Holes Part Number: 060-800521

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This MV‑3 variant (Bendix 800521) is used on Ford applications and features 1/4"-18 NPT supply and delivery ports along with 1/4"-20 threaded mounting holes. This model uses a three‑hole mounting pattern and includes a factory‑plugged Supply 12 port, matching the configuration found on many Ford dash panels.

Special Notes

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Product Description

Manufacturer: Bendix

Part Number: 800521

Condition: New

Supply 11 Port: 1/4"-18 NPT

Supply 12 Port: 1/4"-18 NPT (Plugged)

Delivery 21 Port: 1/4"-18 NPT

Delivery 22 Port: 1/4"-18 NPT

Exhaust Port: 1/4"-18 NPT

Mounting Holes: 1/4"-20 threaded (3x)

Auxiliary Port: None

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: 800521, 060-800521, 065192, 107467, 65192, 65192X, BW 800521, BW800521, KN20616, 745-800521, RKN20616, TWDBEN800521, TWDH800521X, BEN800521, H800521X, BAN800521, BX800521, ZAC800521, 800521BXW, K211047
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.