NISSAN D8520-VS40A Tie Rod End Kit

The Nissan D8520-VS40A (alternative OE number: 48520VB025) is a genuine factory tie rod end kit (SOCKET KIT), serving as a critical linking component in the vehicle's steering system and front suspension. This part provides a direct connection between the steering gear and the steering knuckle/wheel hub carrier, allowing precise and safe wheel articulation.

Technical Features and Construction

The tie rod end must withstand extremely high mechanical loads during daily operation. This genuine Nissan component is manufactured according to the strictest OEM standards:

• Material Quality: High-strength, forged, and heat-treated steel alloy for maximum tensile strength and durability.
• Internal Design: Precision-machined ball stud seated in a low-friction bearing socket, ensuring smooth and bind-free articulation.
• Protection: High-grade, ozone- and weather-resistant rubber dust boot that prevents the ingress of water, dust, and other contaminants into the ball joint while retaining the lubricant.
• Fitting Position: Front axle, outer tie rod position.

Role and Importance of the Tie Rod End

The tie rod end plays a vital role in vehicle handling and directional stability. In addition to transmitting steering torque to the road wheels, its ball joint construction compensates for the vertical and horizontal movements caused by suspension travel.

Typical Symptoms of Wear and Failure

Suspension components are subject to natural wear. Signs pointing to a worn or failing tie rod end include:

• Knocking or metallic noises coming from the suspension, particularly over uneven road surfaces or during sharp turns.
• Excessive steering wheel play, accompanied by vague or imprecise steering response.
• Uneven or one-sided tire tread wear resulting from misaligned toe angles.
• Visible damage, cracking, or tearing of the protective rubber dust boot, requiring immediate replacement before rapid deterioration of the ball joint occurs.

Factory Reference Numbers

• NISSAN: D8520-VS40A
• NISSAN: 48520VB025