Upgrade your Tesla Model 3 or Model Y with the Tlyard Rear Knuckle — a high-strength, precision-engineered suspension component designed for seamless integration and long-lasting performance. Built to meet strict OEM specifications, this rear knuckle ensures perfect fitment and reliable operation for your vehicle’s rear suspension system.

• Premium Aluminum Alloy Construction – Lightweight and durable, engineered to withstand road impacts and harsh driving conditions.
• Precision CNC Machining – All mounting surfaces and bore diameters are accurately machined for perfect control arm, brake caliper, and axle fitment.
• Factory-Standard Geometry – Maintains correct camber, toe, and suspension dynamics for safe and stable handling.
• Smooth Surface Finish – Ready for professional bearing installation and sealing.
• Rigorous Quality Control – Every Tlyard knuckle undergoes strict inspection to ensure dimensional accuracy and structural integrity.

🛠️When Should You Replace the Rear Knuckle?

Below are the most common signs and reasons indicating a replacement is needed:

Symptom	Cause Explanation	Replace?
1. Uneven tire wear on one side	A bent knuckle alters rear camber or toe alignment, causing irregular tire contact	✅ Yes
2. Knocking or clunking noise over bumps	Cracks or looseness in the knuckle create play in the suspension, leading to impact noises	✅ Yes
3. Vehicle pulls to one side or alignment won’t hold	The knuckle may be deformed from impact, making proper alignment impossible	✅ Yes
4. Visible cracks or physical damage	Especially in snowy regions with road salt, aluminum knuckles can corrode and crack over time	✅ Yes
5. After severe bottoming out or collision	Even if no damage is visible, internal stress or bending may compromise safety and alignment	✅ Recommended

 

📅 Average Replacement Mileage (Based on Real-World Repair Data)

While there is no standard service life, field data from North America and Europe shows:

• Typical replacement range: 80,000 – 150,000 km (50,000 – 90,000 miles)
• Most common at: ~100,000 km (~60,000 miles)
• Main causes: Frequent potholes, hard impacts, winter road salt corrosion

⚠️ Note: Vehicles driven in smooth urban conditions with careful driving may exceed 150,000 km (90,000 miles) without needing replacement.

OE Compatibility

2017-2023.09 Model 3: 1044411-00-H/1044416-00-H

2021-2023 Model Y:  1188411/1188416