The Air Lift system that fits your 2011 Coachmen Encounter and uses the 5810 air bag is the Air Lift LoadLifter 5000 Ultimate Air Helper Springs with Internal Jounce Bumpers # AL88240 which uses the Replacement Air Spring for Air Lift LoadLifter 5000 Ultimate System # AL84264.
The actual part number for the Replacement Air Spring for Air Lift LoadLifter 5000 Ultimate System # AL84264 air bag is 58470. I have included a picture that shows this so you can see where you would check your air... view full answer...
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