Based on the instructions and our installation videos it appears as though the SumoSprings # SSR-106-47-1 and the Air Lift LoadLifter 5000Air Lift LoadLifter 5000 # AL57131 would not interfere with each other. However, we have not attempted to install them together and the manufacturer cannot confirm that they will fit at the same time.
I can confirm that they use different mounting holes. The SumoSprings install on the leaf spring stack in front of the axle while the air springs install... view full answer...