A refundable core charge of $50.40 applies to this item and will be collected at checkout. The core charge is refunded upon receipt of your returned core, subject to its condition; customer is responsible for return shipping. Call us at (877) 776-4600 for details.
Features
Remanufactured RT4 Multi-Function
Meets all FMVSS-121 trailer requirements for spring brake control and other regulations from October 1992 to current date.
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.
Approximate Weight 4.5 lbs.
Tech Specs
- Trailer Supply (A) 3/8"
- Trailer Supply (B) Plugged
- Trailer Control 3/8"
- Reservoir (A) 1/2"
- Reservoir (B) 3/8"
- Delivery (4) 3/8"
- PPV Closing Pressure 70 PSI
- Notes Cover rotated 180 degrees
- OEM Part Number N4305AA
- Approximate Weight 4.5 lbs.
- Core Group 225
Additional Information
The trailer control port is over reservoir port B.Replaces A99370X.
Repair Kit use part number RN10JM.
