RG-2 Trailer Relay ValveRT-4 Trailer Relay Valve

If you prefer to order by phone, please call us at 800-435-3509 between 9:00 am and 7:00 pm Central Time, Mon - Fri and between 10:00 am and 2:00 pm Saturday.

Please note that cross references may not be exact and we can not guarantee a cross referenced part will work in your application. Please check all specifications and measurements before ordering to ensure the part will work for you.

Orders over $99 ship free via FedEx Ground. Orders under $99 ship for a flat rate of $9.95. In some instances, parts may ship via UPS or USPS. Expedited shipping options are available at checkout. Cutoff for expedited shipping is 12pm CT.

MJ Heavy Duty Parts / TruckandTrailer.Parts is a family owned small business located in Eastern Nebraska.