●Fitment: The rear AC block off kit is a replacement for Grand Caravan 2004 ?2011, replacement for Caravan 2004 ?2011, please check the model before ordering. ●Function: The block off kit is used for repairing your rear AC system leaks by eliminating the rear system and retaining the front AC for better performance. ●Advantage: The kit allows for front air conditioning operation without the loss of refrigerant from the rear lines or evaporator, makes the conditioner works more efficient. ●Easy to Install: The installation is simple and does not require complicated operations, perfect replacement for the old or broken one. But for better use effect, it is recommended that professionals install it. ●Fine Workmanship: The rear air conditioning block off kit has precision machining, moderate weight, corrosion resistance and high mechanical strength.