Air Lift Load Lifter 5000 Replacement Spring / Bag: If you're looking for a replacement Spring / bag for your Air Lift Load Lifter 5000 Kit, you've come to the right place! Please keep in mind that these are replacement bags / air s prings for Air Lift Load Lifter 5000 kits, meaning you already have an Air Lift Load Lifter 5000 Suspension kit that needs a replacement (due to damage, loss, etc). The part number for this Air Lift Replacement Air Spring is 50284. A list of the Air Lift Load Lifter 5000 kits this spring originally comes in, please click the "fitment tab" above. If unsure of fitment, please confirm Application / Fitment with Air Lift before placing your order.