COMPATIBLE WITH – Here is a list of products that is compatible with this item. Feel free to google the part numbers as well to ensure it fits your vehicle. Compatible with 2011 Dodge Dakota V8 4.7L, 2011-2013 Dodge Durango V8 5.7L, 2011-2013 JEEP Grand Cherokee V8 5.7L, 2011-2017, RAM 1500 V8 4.7L/5.7L, 2011-2017 RAM 2500 V8 5.7L/6.4L, L6 6.7L Diesel, 2011-2017 RAM 3500 V8 5.7L/6.4L, L6 6.7L Diesel, (This solenoid pack fits:45RFE, 545RFE 2011-on 68RFE 2011-on)..PRODUCT IS REMANUFACTURED OEM PART– All of DJ Trans Parts items are original OEM products. That being said, they are not brand new but refurbished. They are remanufactured and tested to ensure they work. This means you are getting the actual transmission, valve body, solenoid kit, etc. that your car needs. You can ensure our products will work with OEM parts..45RFE you have 4 SPEED.( Black Plug) 545RFE you have 5 SPEED.(White Plug) 65RFE and 66RFE and 68RFE you have 6 SPEED.(GreyPlug) 8 SPEED is another transmission. The 66RFE and 68RFE are HD tranny's, so if you have 6 SPEED it is most likely a 65RFE..To properly install the solenoid pack onto the valve body, first align the two arrows on the valve body with the corresponding arrows on the solenoid pack. Secure the solenoid pack in place by tightening the bolts to 50 inch-pounds of torque. Ensure that For this all bolts are tightened to the correct torque to ensure proper function and longevity of the solenoid pack..WARRANTY INCLUDED WITH PURCHASE – Here at DJ Trans parts, we offer a warranty period of 12 months. If you encounter any problems during your use, contact our customer service, we’ll provide you with solution!!