seat for Wilderness systems pungo 140

My vintage Pungo needs a new Phase 3 seat and knee pads. Am I SOL? No reference on the Wilderness Systems website. My old seat is the Phase 3, not the air pro. Thanks for any advice.

Harmony Gear
You might find some parts on the Harmony Gear website. They are part of the Confluence Group (WS, Perception, Dagger, etc.) and carry a lot of spare parts.