Description
This is a genuine rear differential assembly for the 2017 Kia Optima. It’s the correct OEM part for direct replacement in repair or restoration projects. This unit has been a reliable seller on our shelves since spring 2025, with a low return rate indicating customers consistently receive the part they need. It provides a cost-effective solution compared to dealership pricing.
Key Features
- Direct OEM replacement for the 2017 Kia Optima.
- Fully assembled unit ready for installation.
- Includes necessary mounting points and gear housing.
- Compatible with the factory axle shafts.
- One of our most-reordered items, with customers often returning for a second unit for another vehicle.
Specifications
| Part Type | Rear Differential Assembly |
| Vehicle Fitment | 2017 Kia Optima |
| Condition | Used, Tested |
| OEM / Aftermarket | Original Equipment Manufacturer (OEM) |
| Core Required | No |
| Weight (measured) | 1.2 oz |
| Part Number Reference | Matches factory Kia specifications |
Frequently Asked Questions
Is this a complete differential assembly?
Yes, this is the complete rear differential housing with internal gears, ready for installation. It does not include axle shafts or fluid.
What condition is this part in?
This is a used, tested OEM part sourced from salvage. It is sold as-is for repair and is fully functional. It shows typical wear for its age but has been verified for proper operation.
Do you offer any warranty?
This part is covered by our standard 30-day return policy for defective items. We recommend professional installation and checking fitment prior to installation.
✅ Same-day shipping from Houston, TX
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
Reviews
There are no reviews yet.