124-800-00-75 - Defroster flap control
124-800-02-75 - Center vent air flap control
124-800-03-75 - Cold air flap control (diverter)
124-800-04-75 - Main air flap control (Left)
124-800-11-75 - Main air flap control (Right)
124-800-01-75 - Footwell flap control (Round, 2 required) - Up to VIN 289309
OR
124-800-09-75 - Footwell flap control (Rectangle, 1 required) - From VIN 289310
Numbers 00, 04, and 11 are "dual chamber" pods. Numbers 01, 02, 03, and 09 are "single chamber". All of 6 them will be ~$150 new. Note that later 124 chassis with the dust filter use different part numbers for all three dual-chamber pods. The numbers listed above are for cars without the dust filter (pre-1990).