Used 2016-2020 Kia Optima 2.4L (US Built) Automatic Transmission – 107,325 Miles

🔧 Part #: 400-63227
📦 Stock #: MM1436

Kia/Hyundai OEM 6-Speed Automatic Transmission with 107,325 original miles. Removed from a running vehicle and inspected prior to dismantling. This transmission is a direct replacement for select Kia Optima models equipped with the 2.4L engine and matching transmission code.

Vehicle Fitment

Kia Optima

• 2016 Kia Optima
  • 2.4L Engine
  • VIN 3 (8th Digit)
  • US Built (VIN 5, 1st Digit)
• 2017-2018 Kia Optima
  • 2.4L Engine
  • VIN 3 (8th Digit)
  • US Built (VIN 5, 1st Digit)
• 2019-2020 Kia Optima
  • 2.4L Engine
  • US Built (VIN 5, 1st Digit)

Transmission Details

• OEM Part Number: 45000-3BYE0
• Transmission Type: 6-Speed Automatic
• Genuine Kia/Hyundai OEM Unit

Identification

• Ident: 450003BYE0
• Kia Part Number: 450003BYE0
• Hyundai Part Number: 450003BYE0

Condition

• Mileage: 107,325 Miles
• Used OEM Transmission
• Inspected and tested prior to removal
• Normal wear consistent with age and mileage

Features

✔ Genuine Kia OEM Transmission
✔ 6-Speed Automatic Transmission
✔ Factory Original Equipment
✔ Direct Replacement Assembly
✔ Designed for 2.4L Applications
✔ Tested Prior to Removal

Important Notes

• This transmission is for US-built vehicles only (VIN starts with 5).
• Verify your VIN, transmission code, and part number before purchasing.
• Programming, adaptation, or relearn procedures may be required after installation.
• Some sensors, brackets, modules, or external components may need to be transferred from your original transmission.
• Professional installation is strongly recommended.

📦 Freight shipping available nationwide. Transmission will be securely palletized and professionally packaged to ensure safe delivery.

Please send us your VIN before purchasing and we will verify compatibility with your 2016-2020 Kia Optima.