Description
- Meets all FMVSS-121 trailer requirements for spring brake control and other regulations prior to Oct. 8, 1992.
- Interchangeable with competitive units.
- Used on trailers to control both parking and emergency brake functions.
- Controls reservoir charging.
- Applies emergency (parking) brakes upon loss of trailer supply (emergency) line pressure.
- Trailer control port is over reservoir port A.
- Repair Kit use part number RN10JM.
Product Specifications
- Trailer Supply (A): Plugged
- Trailer Supply (B): 3/8″
- Trailer Control: 3/8″
- Reservoir (A): 1/2″
- Reservoir (B): 3/8″
- Delivery (4): 3/8″
- PPV Closing Pressure: 70 PSI
- OEM Part Number: N4305A
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