Product details
  • SKU QMCSQ0003

OUSIMY 4WD Coupling Assembly for Hyundai Tucson Santa Fe Kia Sorento Sportage | OE 478003B520

In stock
Usually ships within 24 hours
Regular price $699.99
Product details
  • Vendor OUSIMY SHOP
  • SKU QMCSQ0003
Payment methods
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Limited time offer

Fast & Reliable Shipping:

We understand that vehicle repairs cannot wait.

All OUSIMY orders are processed within 24 business hours after payment confirmation.

Shipping Options:

• Standard Shipping:
Delivery usually takes 7-15 business days depending on destination.

• Expedited Shipping:
Faster delivery options are available for customers who need their parts sooner.

• Tracking Information:
Once your order ships, tracking details will be provided by email.

Please make sure your shipping address is correct before completing your order.

Warranty Policy:

At OUSIMY, we stand behind the quality and reliability of our automotive parts.

All products include a 3-Year Limited Warranty.

The warranty covers:
• Manufacturing defects
• Product quality issues
• Failures under normal use conditions


If you experience any product issue, please contact our support team. We will provide assistance including troubleshooting, replacement, or other solutions.

Warranty does not cover:
• Incorrect installation
• Damage caused by accidents
• Improper use
• Normal wear and tear

30-Day Money-Back Guarantee:

Your satisfaction is important to us.

If you are not completely satisfied with your purchase, you can request a return within 30 days after receiving your order.

Return requirements:

• Product must be unused
• Product must be in original condition
• Original packaging should be included


If you receive an incorrect or defective item, please contact us first. Our team will help resolve the issue as quickly as possible.

Vehicle Fitment & Technical Support:

Not sure if this part fits your vehicle?

Our automotive support team is here to help you find the correct replacement part before placing your order.

We can assist with:

✓ Vehicle compatibility confirmation
✓ OEM / Part number verification
✓ Product selection assistance
✓ Installation questions


To help us confirm the correct fitment, please provide:

• Vehicle Make & Model
• Year
• Engine Type
• OEM Part Number (if available)
• VIN Number (optional)


Need help choosing the right part?

Click the chat icon in the bottom right corner and send us your vehicle information. Our team will help verify compatibility and recommend the correct replacement solution.

OE Part Number: 478003B520
Attribute Value
Condition New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. 
Type Coupling Assembly
Interchange Part Number 53000-3B510, 47800-3B520
OE/OEM Part Number 47800-3B520, 478003B520
Items Included Coupling Assembly
Manufacturer Part Number 47800-3B520, 478003B520
Placement on Vehicle Rear
Brand OUSIMY
Manufacturer Warranty 1 Year
UPC Does not apply
Country of Origin China

This premium 4WD coupling assembly is a direct replacement unit designed to fit Hyundai Tucson, Santa Fe, as well as Kia Sorento and Sportage 4WD models. Manufactured to meet original equipment specifications, this drivetrain component delivers precise power distribution for your vehicle’s four-wheel-drive system, ensuring consistent and reliable all-wheel traction on all road conditions.
Crafted with high-strength forged alloy and wear-resistant internal friction components, this 4WD coupling assembly features precision-machined mounting surfaces and standard factory specifications for size and installation interface. It is engineered to fit designated 4WD Hyundai and Kia model year ranges, serving as a core drivetrain part installed on the vehicle’s rear differential and drivetrain connection system to regulate four-wheel drive engagement.
Compared to stock factory units that suffer from premature wear and internal component fatigue, our upgraded 4WD coupling assembly adopts reinforced structural design and enhanced heat-resistant materials. It effectively resists high-temperature abrasion and mechanical impact during long-term driving, greatly extending service life. The product features a plug-and-play OEM fit design with no modification required during installation, perfectly matching factory mounting holes and wiring interfaces to save professional installation time.
This replacement 4WD coupling assembly thoroughly fixes common 4WD system failures on Hyundai and Kia 4WD vehicles, including intermittent four-wheel drive disengagement, abnormal drivetrain vibration, clunking noise during acceleration and gear shifting, delayed 4WD mode activation, and weak off-road traction. It solves the widespread factory defect of premature internal wear of the original coupling, which often leads to repeated replacement and poor driving experience. Worn original couplings also cause unstable power output and potential drivetrain damage, all of which can be completely resolved with this high-quality replacement part.
This 4WD coupling assembly fixes vehicle OBD trouble codes triggered by faulty drivetrain coupling components, including P1830, P1831, P1832 and other 4WD system pressure and coupling performance fault codes, eliminating dashboard warning lights related to four-wheel drive system malfunctions.
We offer free standard shipping for all orders. All products are shipped directly from domestic warehouses to ensure fast delivery and short transit time, allowing you to receive the replacement part quickly and complete vehicle repair without unnecessary delays.
Each OUSIMY 4WD coupling assembly undergoes strict factory quality testing to ensure 100% functional consistency with OEM parts. We provide long-term product quality warranty for all customers. The standardized OEM structure supports hassle-free DIY installation, no professional tools or complicated tuning procedures are needed, enabling most car owners to finish replacement independently.
Full Compatible Vehicle List:
Hyundai Tucson (4WD Models) – Full compatible production years
Hyundai Santa Fe (4WD Models) – Full compatible production years
Kia Sorento (4WD Models) – Full compatible production years
Kia Sportage (4WD Models) – Full compatible production years