Quinton Hazell King Pin Set - QP631T
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Product Information
Full details
The Quinton Hazell King Pin Set (QP631T) is designed for automotive technicians and vehicle owners looking to restore precision and stability to their steering systems. This set delivers high-quality, OE-specification performance to ensure smooth front suspension movement, though it requires mechanical expertise and specialized tools to install correctly.
All features
| Model Part Number | QP631T |
|---|---|
| Brand | Quinton Hazell |
Extended Product Information
FAQs
Is this set sold for one side or both sides of the vehicle?
King pin sets are typically specific to the assembly requirements; check the product packaging to confirm if it covers one or both wheels.
Can I install this at home in my driveway?
While possible, it is not recommended unless you have a shop press and experience with steering geometry, as incorrect installation can cause dangerous steering failure.
Do I need a wheel alignment after installation?
Yes, any work involving the king pins or steering knuckle necessitates a professional four-wheel alignment to prevent tire damage and handling issues.
How do I know if my king pins are bad?
Common signs include a knocking sound from the front end when hitting bumps, wandering steering, and visible play in the front wheels when jacked up.
What tools are essential for this repair?
A hydraulic press, heavy-duty jack stands, a torque wrench, and standard hand tools for steering components are usually required.
Troubleshooting
Excessive steering wheel vibration after installation
Check that the king pins are properly seated and that the wheel alignment has been professionally adjusted.
Difficulty inserting new pins into the knuckle
Ensure the knuckle bore is completely free of debris and rust; use a light coating of assembly lubricant to aid insertion.
Pros and Cons
Pros
- Meets or exceeds OE manufacturing standards
- Restores tight, responsive steering feel
- High-durability build for suspension longevity
- Precise fitment reduces installation frustration
Cons
- Requires professional-grade tools like a hydraulic press
- Installation is labor-intensive and time-consuming
- Requires professional alignment immediately after installation
Setup, Compatibility & Care
Installation requires significant mechanical knowledge as the king pin assembly often involves pressing out old bushings and pins. Ensure you have the correct manual for your specific vehicle model to confirm the QP631T compatibility. During setup, it is recommended to clean the steering knuckle bore thoroughly before installing new parts. Regular care involves periodic greasing if the specific vehicle application requires it, and checking for vertical movement during standard oil changes to monitor for early signs of wear.