; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (135) Connecting rods Heading 9902.15.44 is amended— (A) by striking 0.4% and inserting Free ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (136) Used fuel pumps Heading 9902.15.50 is amended— (A) by striking 0.6% and inserting 1.2% ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (137) Exhaust fans for permanent installation Heading 9902.15.54 is amended— (A) by striking 4.1% and inserting 2% ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (138) Self-contained portable air conditioner Heading 9902.15.64 is amended— (A) by striking 1.8% and inserting Free ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (139) Table saws Heading 9902.15.74 is amended— (A) by striking 1.2% and inserting 1.7% ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (140) Vehicle stability control actuator assemblies Heading 9902.15.85 is amended— (A) by striking 2.3% and inserting 1.5% ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (141) Valve-Type Fuel injectors Heading 9902.15.91 is amended— (A) by striking 0.5% and inserting 1.2% ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (142) New crankshafts Heading 9902.15.96 is amended— (A) by striking 0.6% and inserting Free ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (143) Power back door actuator assemblies Heading 9902.16.06 is amended— (A) by striking 1.7% and inserting Free ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (144) Direct current pump motors Heading 9902.16.07 is amended— (A) by striking 2.8% and inserting Free ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (145) Motors for low wattage fans Heading 9902.16.10 is amended— (A) by striking 0.3% and inserting 1.6% ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (146) Used starters Heading 9902.16.38 is amended— (A) by striking 0.4% and inserting Free