+3 DUCT-AIR CONDITIONING-UNDER DASH-LEFT-USED-EACH-74-77 (#E22388) SKU 01563 $74.20 In stock Quantity: 1 Add to Bag Product Details 1974-1977 AIR CONDITIONING DUCT USED - LEFT. GM PART # 3949987. GOOD CONDITION USED ORIGINAL PART. Save this product for later Favorite