CPU Processor Fan Power Mac G4 Dual 533 (Digital Audio) Apple Rescue of Denver » Products Page » G3 to G5 » Cards - Boards - Power Supplies (G3 to G5) » CPU Processor Fan Power Mac G4 Dual 533 (Digital Audio) With heatsink cover Apple 922-4357, 815-6337. Processor fan and heatsink cover or shroud for the Power Mac G4 Digital Audio model. Product not in stock Price: $5.00 This product has sold out. Updating...