1, You can distinguish specific model of an automobile by VIN(Vehicle Identification Number). 2, VIN(Vehicle Identification Number) consists of total 17 English letters and arabic digits. 3, VIN does not include the letters I (i), O (o), and Q (q) (to avoid confusion with numerals 1 and 0). Air Helper Spring Kit Structure. Solves These Common Problems. Vent all air pressure from the air suspension system prior to disconnecting or removing any air suspension components. It is dangerous to remove air suspension components while under pressure. Failure to follow this instruction may result in serious personal injury. Any air spring which is unfolded must be refolded prior to being installed in a vehicle. Refer to the procedure. If a vehicle has been driven with an incorrectly folded air spring, a new air spring must be installed. Failure to follow these instructions may result in serious injury to vehicle occupant(s). Failure to observe the following instructions may result in a sudden failure of the air spring or suspension system. Any rear spring which is unfolded must be refolded prior to being installed in a vehicle. The air spring refolding procedure should only be used for an air spring which has never supported the vehicle’s weight while in the incorrectly folded position. Do not attempt to inflate any air spring which has been collapsed while uninflated from the rebound hanging position to the jounce stop. When installing a new air spring, care must be taken not to apply a load to the suspension until springs have been inflated using the air spring fill procedure. After inflating an air spring in the hanging position, it must be inspected for correct shape. NOTE: The vehicle must be positioned on a suitable lifting device prior to deflating the air suspension system. With the vehicle in NEUTRAL, position on a hoist until the wheel and tire assemblies are slightly above the ground. Using the scan tool, vent the air springs. Remove the air spring retainer. Detach the air spring from the rear axle. Remove the air spring in the following sequence. Disconnect the air spring solenoid electrical connector. Compress the quick connect locking ring and pull out the air tube. Remove the air spring. No need to drill. Provides Up To 5000lbs Capacity. Increase stability and improve ride quality. Keep your vehicle level when you are hauling a heavy load. Improve steering control and braking when you are hauling or towing. Reduce strain on rear suspension. Military Grade Armor Steel to ensure strength. Directly Bolts In To Factory Holes. Tow Assist Over Load Air suspension Bag Kit For Dodge Ram 2500 3500 Trucks 03-13. G 4 1/2 U-bolt…………………………………………….. H Nylon lock nut…………………………………………. L Upper bracket spacer………………………………….. M 3/8 Flat washer…………………………………………. N 3/8″ x 1 1/2″ Washer-head frame bolt……………… Q 1/4 Hex-head cap screw…………………………….. R Fender well liner spacer……………………………….. S 10/32 Flat washer…………………………………….. T 1/4 Nylon lock nut…………………………………….. FF M8 Stainless steel flat washer……………………….. HH Stainless steel star washer…………………………… Please double confirm the compatibility as well as the OEM number before purchasing. Instruction is not included. Professional installation is recommended. No Drilling Required Leveling Helper Air Bag Tow Towing Towed Haul. Kit or Single Part. Just like the picture, Professional installation required. International Buyers C Please Note. These charges are the buyers responsibility. The note there will NOT be read. A: MY store accepts. Q: How do I return an item? Please contact our customer service before you return an item. We will work hard to make sure EVERY CUSTOMER 100% SATISFIED and resolve any problem for you and always leave a feedback to all our customers. If you are satisfied with the product you received, wish you can leave us a feedback. 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