How to Pick Out a Trailair Pin Box for a Primetime Crusader 315RST

Question:

Buying Primetime Crusader 315RST 5th wheel RV. Interested in Trailair Air Ride pin box but not sure which model I need. LC328492 would appear to be adequate but is it correct, will it fit? Also want to know if it is necessary to deflate the air bag before unhitching RV from tow vehicle. Thanks

asked by: Marvin B

Expert Reply:

You will need to determine which pin box you have on your trailer before you can pick out the correct Trailair pin box. The part # LC328492 fits the Lippert 1621 pin box which is very popular and is most likely on your trailer but you need to verify this first. Up near the pin box there will be a plate or sticker that has the pin box info listed. If you do not have a 1621 check out the link I attached that has all of the pin boxes we offer. You will need to select your pin box from the filters to see what would fit.

You would not need to deflate the air bag before un-coupling either.

expert reply by: Jameson C