Product Introduction

This heavy-duty steering arm is a critical component of the truck’s steering system, designed to efficiently transfer the rotational force from the steering gearbox to the left front wheel knuckle. Its robust construction ensures reliable performance under heavy loads and rough road conditions.

Structure & Material

• Material: High-strength forged steel, heat-treated for exceptional tensile strength, impact resistance, and fatigue durability.

• Finish: The surface is coated with a black anti-corrosion paint, while the mounting bores are precision-machined and lined with steel bushings for smooth articulation.

Performance

• Precise Force Transfer: The optimized leverage and geometry ensure that steering input is translated accurately to the wheel, providing responsive and predictable control.

• Load Handling: The forged steel construction can withstand the high mechanical stresses generated during heavy-duty operation and off-road use.

Durability

• Forged steel resists bending, cracking, and fatigue under continuous heavy loads and shock impacts.

• The anti-corrosion coating protects against rust and road salt, extending the component’s service life.

Core Function

1. Force Transfer: Transmits steering force from the steering gearbox to the left front wheel knuckle.

2. Steering Control: Determines the steering geometry and leverage, ensuring precise and responsive wheel control.

3. Load Bearing: Supports the mechanical loads generated during steering maneuvers.

Steering Arm L AZ4071415051 – Sinotruk Sitrak Genuine Replacement Part

When your Sinotruk Sitrak heavy-duty truck demands precise steering response, every component in the front axle system matters. The Steering Arm L AZ4071415051 serves as a critical link between the steering gear and the wheel knuckle, faithfully transmitting steering torque so your driver maintains confident directional control — even under full payload. Engineered to meet OEM specifications, this left steering arm delivers the durability and dimensional accuracy that fleet operators and workshop professionals expect from a factory-direct supplier.

At Mettlead, we specialize in supplying authentic Chinese heavy-duty truck parts to buyers worldwide. As a direct-from-factory source, we eliminate unnecessary middlemen, which means you get competitive pricing without compromising on quality. Whether you manage a transport fleet in Africa, Southeast Asia, or the Middle East, this steering arm is ready to ship — quickly and reliably.

Key Features and Benefits of Steering Arm L AZ4071415051

Precision-Forged for Heavy-Duty Performance

This left steering arm is manufactured using high-strength forged steel, then machined to tight tolerances that ensure a perfect fit on your Sitrak front axle assembly. As a result, it handles the intense steering torque generated during low-speed maneuvering and high-load cornering without deformation or premature wear.

Direct OEM Replacement — No Modifications Needed

Part number AZ4071415051 is a direct-fit replacement for the original Sinotruk Sitrak left steering arm. Consequently, your technicians can complete the installation using standard workshop tools, minimizing vehicle downtime and getting your truck back on the road faster.

Why Procurement Managers Choose This Part

• Cost Efficiency: Factory-direct pricing from China removes distributor markups, improving your per-unit cost.
• Reliable Steering Response: Accurately transmits steering torque from the pitman arm to the left wheel knuckle, ensuring safe vehicle handling.
• Extended Service Life: Heat-treated surface resists fatigue cracking, even under continuous heavy-load operation.
• Fast Lead Times: In-stock availability and streamlined logistics mean shorter waiting periods for your maintenance schedule.
• Strict Quality Control: Each piece undergoes dimensional inspection and hardness testing before shipment.

Technical Specifications — Steering Arm L AZ4071415051

Application Scenario — Where This Steering Arm Works

The Steering Arm L AZ4071415051 is specifically designed for Sinotruk Sitrak heavy-duty trucks. Installed on the left side of the front axle, it connects the steering drag link to the wheel knuckle. In simple terms, when the driver turns the steering wheel, this arm faithfully converts that input into actual wheel movement on the left side.

Therefore, it plays a vital role in:

• Transmitting steering torque from the steering gearbox to the left front wheel.
• Controlling wheel turning angle for safe lane changes, cornering, and parking maneuvers.
• Maintaining geometric alignment within the steering linkage system under heavy payloads.

If your Sitrak truck exhibits uneven tire wear, loose steering feel, or abnormal play in the front axle, a worn steering arm is often the culprit. Replacing it promptly restores precise handling and prevents cascading damage to tie rods and king pins.

Looking for more Sitrak front axle components? Browse our complete Front Axle Parts catalog or explore the full Sitrak Heavy-Duty Parts range for matching components.

OEM/ODM Capability — Custom Packaging and White-Label Solutions

We understand that many distributors and aftermarket brands need parts delivered under their own label. That is why Mettlead offers flexible packaging options for the Steering Arm L AZ4071415051:

• White-Label Packaging: We ship with neutral boxes and no branding, so you can apply your own identity.
• Custom Packaging: Provide your logo, box design, and label specifications — we handle the rest.
• Bulk Order Support: Volume pricing is available for fleet operators and regional distributors placing recurring orders.
• Quality Documentation: Inspection reports and certificates of conformity can be provided upon request.

In addition, our factory welcomes on-site visits. If you want to verify production processes and quality control firsthand, we are happy to arrange a facility tour.

Frequently Asked Questions — Steering Arm L AZ4071415051

What exactly does the left steering arm do on a Sitrak truck?

The left steering arm acts as a lever that connects the steering drag link to the left wheel knuckle. When the driver turns the steering wheel, the steering gearbox moves the drag link, which in turn pushes or pulls the steering arm. This motion pivots the knuckle and changes the direction of the left front wheel. Without a properly functioning steering arm, the truck cannot steer accurately or safely.

How do I know if my steering arm AZ4071415051 needs replacement?

Common signs include excessive play or looseness in the steering wheel, uneven front tire wear, clunking noises when turning, and visible cracks or deformation on the arm itself. Additionally, if your truck pulls to one side during straight-line driving, the steering arm taper bore may be worn, causing the ball joint to seat improperly.

Is this steering arm compatible with all Sitrak truck models?

Part number AZ4071415051 is designed for Sinotruk Sitrak models that use this specific front axle configuration. However, because Sitrak trucks come in multiple axle variants, we recommend confirming the OEM part number against your vehicle’s chassis number before ordering. Feel free to contact us with your VIN for a compatibility check.

Can I install this steering arm without special tools?

Yes, in most cases. Installation requires standard heavy-vehicle workshop tools — a torque wrench, ball joint separator, and appropriate sockets. Nevertheless, because the steering system directly affects vehicle safety, we recommend that a qualified technician perform the replacement and verify wheel alignment afterward.

What is the expected service life of this steering arm?

Under normal operating conditions and with proper maintenance of related components (king pins, tie rods, drag link), this forged steel steering arm typically lasts as long as the original OEM part. Harsh operating environments — such as mining roads or heavily overloaded conditions — may shorten its lifespan, so periodic inspection is advisable.

Does Mettlead supply the right-side steering arm as well?

Yes. We carry a comprehensive inventory of Sinotruk Sitrak steering system components, including the right steering arm and associated linkage parts. Check our Sinotruk Sitrak Truck Parts Full Category Guide for the complete listing.

Ready to Order? Get Your Quote Today

Securing the right Steering Arm L AZ4071415051 for Sinotruk Sitrak should not be complicated. At Mettlead, we make the procurement process straightforward — competitive factory-direct pricing, flexible payment methods, and reliable international shipping to your door.

Here is how to get started:

1. Send us your part number and required quantity.
2. Receive a detailed quotation within 24 hours.
3. Confirm your order and choose your preferred payment method.
4. We ship promptly and provide tracking information.

Contact us now to request pricing or ask any technical questions. Our team is standing by to support your next order.