Product Introduction

This U-bolt is a heavy-duty fastening component designed for heavy-duty truck suspension systems. It features a U-shaped, high-strength steel bolt with a black anti-corrosion coating, paired with two precision-threaded hexagonal nuts. The robust design ensures secure clamping of suspension components under extreme loads and harsh operating conditions.

Performance

• Manufactured from high-grade alloy steel for exceptional tensile strength and resistance to shear forces.

• The black anti-corrosion coating provides long-term protection against rust and environmental damage, extending service life.

• Precision threads ensure a secure, uniform clamping force, preventing loosening under vibration and dynamic stress.

• Operates reliably in temperatures ranging from -40°C to 120°C, suitable for all heavy-duty operating conditions.

Core Function

1. Serves as a critical fastening component in suspension systems, securely clamping leaf springs to the axle housing.

2. Transmits and distributes suspension loads evenly, maintaining proper axle alignment and vehicle stability.

3. Withstands extreme loads generated by heavy loads, off-road conditions, and dynamic suspension movement.

4. Contributes to overall vehicle safety and reliability by preventing component separation and maintaining suspension integrity.

U-bolt 199014520124 Sinotruk – Heavy-Duty Suspension Fastener for HOWO Trucks

When it comes to keeping your heavy-duty truck’s suspension rock-solid under extreme loads, every single fastener matters. The U-bolt 199014520124 Sinotruk is a precision-engineered suspension clamping component that secures leaf spring assemblies on HOWO and SITRAK series trucks. Built from high-strength steel with a durable black anti-corrosion coating, this U-bolt delivers the reliable clamping force your chassis demands — whether you’re assembling a new vehicle, replacing a worn-out part, or performing a full suspension overhaul.

At Mettlead, we supply this genuine-spec U-bolt directly from our factory in China, which means you get competitive pricing without compromising on quality. As a result, fleet managers and procurement professionals worldwide trust us to keep their trucks running safely and efficiently.

Key Features and Benefits of U-bolt 199014520124

Engineered for Extreme Loads

This U-bolt is specifically designed to handle the punishing conditions that heavy-duty truck suspensions face daily. Its U-shaped geometry distributes clamping force evenly across the leaf spring pack, preventing loosening even on rough terrain and under maximum payload.

Superior Corrosion Resistance

Thanks to its black anti-corrosion surface treatment, this fastener resists rust and degradation caused by road salt, moisture, and chemical exposure. Consequently, you can expect a significantly longer service life compared to untreated alternatives.

Precision-Threaded Hex Nuts Included

Each U-bolt 199014520124 comes paired with two precision-threaded hexagonal nuts, ensuring a secure and consistent torque application during installation. This eliminates the hassle of sourcing matching hardware separately.

Direct-Fit Compatibility

Manufactured to OEM specifications, this U-bolt fits directly onto Sinotruk HOWO and SITRAK truck models without any modification. In other words, installation is straightforward and downtime stays minimal.

Versatile Application Scenarios

• New vehicle assembly: Ideal for production-line installation on Sinotruk chassis.
• Damage replacement: Perfect for swapping out cracked, stretched, or corroded U-bolts.
• Chassis maintenance and repair: Essential during routine suspension overhauls and leaf spring re-clamping.

Technical Specifications – U-bolt 199014520124 Sinotruk

For a complete range of chassis and suspension components, feel free to explore our chassis parts category. Additionally, you can browse all available Sinotruk HOWO truck parts or visit our comprehensive Sinotruk truck parts page for more options.

OEM/ODM Capability – Custom Solutions Available

Beyond supplying standard OEM-spec U-bolts, Mettlead offers flexible customization options tailored to your specific business needs:

• White-label packaging: We can ship U-bolt 199014520124 under your own brand identity, complete with custom labels and packaging design.
• Custom packaging: Whether you need bulk industrial packaging for workshops or retail-ready blister packs for distributors, we accommodate your requirements.
• Strict quality control: Every batch undergoes rigorous dimensional inspection, material hardness testing, and coating adhesion verification before shipment.
• Flexible MOQ: We work with both large fleet operators placing bulk orders and smaller distributors building their inventory gradually.

Moreover, we welcome factory visits so you can inspect our production processes and quality systems firsthand. This transparency is something we’re genuinely proud of.

Frequently Asked Questions – U-bolt 199014520124 Sinotruk

What trucks does the U-bolt 199014520124 fit?

This U-bolt is designed as a direct-fit replacement for Sinotruk HOWO and SITRAK heavy-duty truck models. It mounts onto the rear suspension leaf spring assembly without requiring any drilling or modification.

What material is this U-bolt made from?

It is forged from high-strength alloy steel, which provides the tensile strength and fatigue resistance necessary for heavy-duty suspension applications. The steel grade is selected to withstand repeated stress cycles under full payload conditions.

How does the anti-corrosion coating perform in harsh environments?

The black surface coating is specifically formulated to resist road salt, water spray, mud, and chemical exposure commonly encountered in trucking operations. As a result, the U-bolt maintains its structural integrity significantly longer than bare-metal alternatives.

Can I use this U-bolt to replace a stretched or deformed original?

Absolutely. In fact, replacing stretched U-bolts is one of the most common applications. Over time, U-bolts can elongate under constant load, which loosens the leaf spring clamping force. Installing a new 199014520124 U-bolt restores proper clamping pressure and suspension alignment.

Are the nuts included, or do I need to purchase them separately?

Each U-bolt 199014520124 ships complete with two precision-threaded hexagonal nuts. You won’t need to source any additional hardware for installation.

What torque specification should I use during installation?

We recommend following the Sinotruk factory service manual torque specifications for your specific truck model. Generally, heavy-duty suspension U-bolts require torque values between 350–500 Nm, but always verify against the OEM workshop manual for your exact application.

How should I store U-bolts before installation?

Store them in a dry, ventilated environment away from direct moisture and corrosive chemicals. Although the anti-corrosion coating provides excellent protection, proper storage ensures the threads remain clean and ready for immediate installation.

Ready to Secure Your Supply? Get a Quote Today

Whether you need a single replacement U-bolt 199014520124 or a bulk order for your fleet maintenance program, Mettlead is ready to deliver. We offer factory-direct pricing, fast and reliable global shipping, and flexible payment methods that keep your procurement process smooth and secure.

Don’t let suspension downtime cost you money. Contact us now to request a competitive quote, confirm lead times, or discuss custom packaging for your market. Our team typically responds within 24 hours — because we know that in the trucking business, every day counts.