Product Introduction

This steering knuckle bushing is a precision-engineered bimetallic component, featuring a robust steel outer shell for structural integrity and a high-performance bronze inner lining. The bronze lining is precision-machined with a central oil hole, designed to facilitate lubrication and reduce friction during steering movements. The bushing is manufactured to tight dimensional tolerances (52mm outer diameter, 43mm inner diameter, 34mm width), ensuring a precise press-fit into the knuckle bore and optimal alignment with the kingpin. Its durable construction resists wear, corrosion, and deformation, making it suitable for the heavy loads and harsh operating conditions typical of heavy-duty truck applications.

Core Function

• Provides a low-friction bearing surface between the steering knuckle and kingpin, enabling smooth and responsive steering operation.

• Reduces wear on both the knuckle and kingpin, extending the service life of these critical steering components.

• Maintains precise alignment of the kingpin within the knuckle, ensuring accurate steering geometry and stable vehicle handling.

• The central oil hole allows for effective lubrication, minimizing friction and further enhancing component durability.

• Direct replacement for original equipment, ensuring a precise fit and consistent performance within the steering knuckle assembly.

Knuckle Bushing 52x43x34 WG9100410035 – Premium Sinotruk Steering Component

When your heavy-duty Sinotruk truck demands reliable steering performance under extreme loads, every component matters — especially the knuckle bushing. The Knuckle Bushing 52x43x34 WG9100410035 from Mettlead is a precision-engineered bimetallic bushing that keeps your steering system running smoothly, quietly, and efficiently. Built to withstand the punishing conditions of commercial trucking, this bushing delivers the exact fit, superior wear resistance, and consistent lubrication that fleet managers and procurement professionals expect from a genuine-spec replacement part.

As a trusted global supplier of Sinotruk truck parts, Mettlead brings you factory-direct quality at competitive pricing — so you can maintain your fleet without compromising on performance or budget.

Key Features and Benefits of Knuckle Bushing WG9100410035

This Sinotruk knuckle bushing isn’t just another replacement part — it’s an engineered solution designed to extend the service life of your steering knuckle assembly. Here’s what sets it apart:

Bimetallic Construction for Maximum Durability

The bushing features a robust steel outer shell that provides exceptional structural integrity, while the high-performance bronze inner lining offers outstanding anti-friction properties. Together, these two layers work in harmony to resist deformation under heavy axle loads and absorb the constant stress of steering movements.

Precision-Machined Oil Hole for Optimal Lubrication

A centrally positioned oil hole is machined directly into the bronze lining, allowing grease to flow evenly across the bearing surface. This thoughtful design detail significantly reduces dry-running friction, prevents premature wear, and extends maintenance intervals — saving you both time and money.

Tight Dimensional Tolerances for Perfect Fitment

Manufactured to strict tolerances with a 52mm outer diameter, 43mm inner diameter, and 34mm width, this knuckle bushing ensures a precise press-fit into the knuckle bore. The result is optimal kingpin alignment, reduced play in the steering system, and a smoother driving experience for your operators.

Exceptional Wear and Corrosion Resistance

Heavy-duty trucks face mud, moisture, road salt, and extreme temperature swings daily. This bushing’s material composition resists corrosion and maintains its dimensional stability even after thousands of kilometers of service, making it ideal for long-haul and off-road applications alike.

Technical Specifications – Knuckle Bushing WG9100410035

Application Scenarios – Where This Knuckle Bushing Performs

The Knuckle Bushing 52x43x34 WG9100410035 is specifically designed for the demanding environments that Sinotruk heavy-duty vehicles operate in. Here are the primary scenarios where this component proves its value:

• Compatible Vehicles: This bushing fits Sinotruk HOWO and SITRAK series heavy trucks equipped with the standard front axle steering knuckle assembly. Browse our full range of Sinotruk HOWO truck parts for additional components.
• Steering System Support: Positioned within the steering knuckle, this bushing serves as the critical interface between the kingpin and the knuckle bore, enabling smooth and controlled wheel articulation during turns.
• Cushioning and Shock Absorption: Road impacts and vibrations constantly stress the front axle assembly. The bronze lining absorbs micro-shocks and dampens vibration, protecting surrounding components from accelerated fatigue.
• Reducing Steering Component Wear: By maintaining precise clearances and distributing loads evenly, this bushing minimizes metal-to-metal contact, dramatically reducing wear on both the kingpin and the knuckle bore surface.

For more steering and suspension components, visit our dedicated Front Axle parts category.

OEM/ODM Capability – Tailored to Your Business Needs

At Mettlead, we understand that different markets have different requirements. That’s why we offer flexible manufacturing and packaging solutions for the Knuckle Bushing WG9100410035 and our entire product range:

• Strict Quality Control: Every bushing undergoes dimensional inspection and material verification before shipment, ensuring consistent quality across every batch.
• White-Label Packaging: Want to sell under your own brand? We provide custom packaging with your logo, part numbers, and branding — ready for your local market.
• Custom Packaging Options: Whether you need individual poly bags, branded boxes, or bulk packaging for workshop distribution, we accommodate your specifications.
• Factory-Direct Pricing: By sourcing directly from our manufacturing base in China, you eliminate middlemen and enjoy competitive unit costs that protect your margins.
• Comprehensive Product Range: Beyond this knuckle bushing, Mettlead supplies parts for SINOTRUK, SHACMAN, FAW, WEICHAI, DONGFENG, and FOTON — making us your one-stop procurement partner.

Frequently Asked Questions – Knuckle Bushing WG9100410035

What vehicles does the Knuckle Bushing WG9100410035 fit?

This knuckle bushing is designed specifically for Sinotruk heavy-duty vehicles, including the HOWO and SITRAK series. It fits the standard front axle steering knuckle assembly where the OEM specification calls for a 52x43x34mm bimetallic bushing.

Why does this knuckle bushing use a bimetallic design instead of a single material?

The bimetallic construction combines the best properties of two materials. The steel outer shell provides the structural strength needed to withstand press-fit forces and axle loads, while the bronze inner lining delivers superior anti-friction performance and self-lubricating characteristics. Together, they outperform single-material bushings in both durability and steering smoothness.

What is the purpose of the oil hole in the knuckle bushing?

The precision-machined central oil hole allows grease to reach the bearing surface between the bushing and the kingpin. This ensures continuous lubrication during steering movements, prevents dry friction, and significantly extends the service life of both the bushing and the kingpin.

How do I know when the knuckle bushing needs replacement?

Common signs of a worn knuckle bushing include excessive play or looseness in the steering, uneven tire wear on the front axle, clunking or knocking noises when turning, and visible scoring or ovalization when the bushing is inspected during maintenance. If the clearance between the bushing and kingpin exceeds the manufacturer’s tolerance, replacement is recommended.

Can this knuckle bushing handle off-road and heavy-load conditions?

Absolutely. The WG9100410035 knuckle bushing is engineered for the demanding conditions that Sinotruk trucks typically face — including construction sites, mining roads, and overloaded highway transport. Its corrosion-resistant materials and robust construction ensure reliable performance even in harsh environments.

What are the dimensional tolerances of this bushing?

This bushing is manufactured to tight tolerances on all three critical dimensions (52mm OD, 43mm ID, 34mm width) to ensure a precise interference fit in the knuckle bore and proper clearance with the kingpin. Each batch is inspected to verify dimensional conformity before shipping.

Get a Competitive Quote for Knuckle Bushing WG9100410035

Ready to secure reliable, factory-direct pricing on the Knuckle Bushing 52x43x34 WG9100410035 for Sinotruk? Whether you need a small trial order or bulk quantities for your distribution network, Mettlead is here to support your business with fast lead times, flexible payment options, and dependable logistics.

Our team welcomes factory visits and is happy to provide samples, technical datasheets, and customized quotations tailored to your volume requirements.

Contact us today to request your quote, ask technical questions, or discuss OEM packaging for the Knuckle Bushing WG9100410035. Let’s keep your fleet steering smoothly.