Product Introduction

• Structure: Adopts a high-precision sealed double-row roller structure, with a cold-forged steel inner/outer ring, high-temperature resistant lubricating grease filling, and a reinforced rubber sealing ring. Integrated with a guide sleeve and release fork connection structure, the outer casing is treated with anti-rust electroplating for enhanced corrosion resistance.

• Performance: The pre-lubricated sealed design achieves maintenance-free use under heavy-duty conditions; high-temperature resistant grease ensures stable operation at the clutch working temperature of -40℃~+180℃; the high-rigidity steel structure withstands the repeated impact and axial thrust of clutch engagement/disengagement, with low rotation noise and long service life.

Core Function

1. Clutch Release & Engagement: Transmits the axial thrust of the clutch release fork to the clutch pressure plate, realizing the separation and combination of the engine and the transmission, and completing gear shifting and vehicle start-up.

2. Smooth Rotation & Load Bearing: The rolling bearing structure converts sliding friction into rolling friction, reducing the resistance of clutch operation and ensuring smooth and labor-saving gear shifting for the driver.

3. Sealed Protection & Maintenance-Free: The integrated double-seal structure prevents dust, water and oil from entering the bearing interior, and the pre-filled high-performance grease ensures long-term stable lubrication without regular refueling.

Clutch Bearing MC11 WG9925160613 – Sinotruk Sitrak Release Bearing | Factory Direct Supply

When your Sinotruk Sitrak MC11 engine demands smooth clutch engagement, the WG9925160613 clutch release bearing is the component that makes it happen. Designed to withstand the extreme torque and high-mileage demands of heavy-duty trucking, this bearing ensures precise disengagement every time you shift gears. At Mettlead, we supply this genuine-spec clutch bearing directly from our factory partners in China — giving you wholesale pricing without compromising on quality or reliability.

Whether you are a parts distributor in Africa, the Middle East, or Southeast Asia, or a fleet maintenance operator looking for dependable replacements, this WG9925160613 release bearing delivers the performance your customers expect from Sinotruk Sitrak heavy-duty parts.

Key Features and Benefits of the WG9925160613 Clutch Release Bearing

So, what makes this particular clutch bearing stand out in a crowded aftermarket? Let’s break it down:

• Precision-Engineered for MC11 Engines: This release bearing is purpose-built to match the specifications of the Sinotruk Sitrak MC11 powertrain, ensuring seamless compatibility and optimal clutch performance.
• High Load Capacity: Manufactured with premium-grade steel and advanced heat-treatment processes, it handles the heavy axial loads generated during clutch disengagement without premature wear.
• Extended Service Life: Thanks to superior lubrication retention and corrosion-resistant materials, this bearing maintains smooth operation over hundreds of thousands of kilometers.
• Reduced Noise and Vibration: The precision-ground raceways and optimized internal clearance minimize operational noise, contributing to a more comfortable driving experience for operators.
• Direct OEM Replacement: Part number WG9925160613 is a drop-in replacement — no modifications required, which means less downtime and faster turnaround for your workshop or fleet.
• Cost-Effective Wholesale Pricing: As a factory-direct supplier, Mettlead eliminates middlemen, passing significant savings on to distributors and bulk buyers.

In other words, this isn’t just a bearing — it’s a reliability upgrade for every Sitrak truck in your supply chain.

Technical Specifications – Clutch Bearing WG9925160613

Accuracy matters when you’re sourcing clutch system components. Here are the detailed parameters for this release bearing:

Note: If you need additional dimensional data (inner diameter, outer diameter, height), please contact us with your specific requirements and we will provide a detailed technical drawing.

Application Scenarios – Where Does This Clutch Bearing Fit?

Understanding exactly where the WG9925160613 belongs in the field helps you serve your customers better. Here’s how this component works in real-world applications:

Compatible Truck Models

This clutch release bearing is specifically designed for Sinotruk Sitrak series trucks equipped with the MC11 engine. It functions as the separation bearing within the clutch assembly, sitting between the clutch fork and the pressure plate. Every time the driver presses the clutch pedal, this bearing engages to separate the clutch disc from the flywheel — making gear changes possible.

• Sitrak C7H tractor units with MC11 engine
• Sitrak C5H cargo trucks with MC11 powertrain
• Sitrak G7 series heavy-duty logistics vehicles
• Other CNHTC / Sinotruk platforms using the MC11 + manual transmission configuration

Typical Usage Conditions

These trucks operate in demanding environments — long-haul highway freight, mining site haulage, construction logistics, and port container transport. The clutch bearing endures thousands of engagement cycles daily, which is precisely why material quality and manufacturing precision are non-negotiable.

For a complete overview of all available Sitrak components, visit our Sinotruk Sitrak Truck Parts Full Category Guide.

OEM/ODM Capabilities – White-Label and Custom Packaging

At Mettlead, we understand that distributors and wholesale agents have unique branding needs. That’s why we offer flexible OEM and ODM services for the WG9925160613 clutch bearing and our entire product range:

• White-Label Packaging: We can supply this clutch bearing in neutral boxes or under your own brand identity, complete with your logo, part number labels, and custom color schemes.
• Custom Packaging Design: Need specific box dimensions, multi-language labels, or barcode/QR integration? Our packaging team handles it all.
• Strict Quality Control: Every bearing undergoes dimensional inspection, hardness testing, and rotational smoothness checks before shipment. We maintain full traceability from raw material to finished product.
• Flexible MOQ: We work with both large-volume importers and growing businesses. Minimum order quantities are negotiable based on your market needs.
• Fast Production Turnaround: With ready stock for popular Sitrak parts and efficient factory coordination, we keep lead times short — even for custom-packaged orders.

In short, you get factory-direct quality with the branding flexibility your market demands.

Frequently Asked Questions – Clutch Bearing WG9925160613

What is the function of the clutch release bearing WG9925160613?

The clutch release bearing (also called a throwout bearing or separation bearing) acts as the contact point between the rotating clutch assembly and the stationary clutch fork. When you press the clutch pedal, the bearing pushes against the pressure plate’s diaphragm spring, releasing the clutch disc from the flywheel. Without a properly functioning release bearing, gear shifting becomes rough, noisy, or impossible.

How do I know when this clutch bearing needs replacement?

There are several warning signs that indicate the WG9925160613 bearing is wearing out. You might hear a squealing or grinding noise when pressing the clutch pedal. Additionally, you may feel vibration through the pedal, or notice that gear engagement becomes inconsistent. If the bearing seizes completely, the clutch will not disengage at all — leaving the truck immobile. Preventive replacement during scheduled clutch overhauls is always recommended.

Is this bearing compatible with automatic transmission Sitrak trucks?

No. The WG9925160613 clutch release bearing is designed exclusively for manual transmission configurations paired with the MC11 engine. Automatic transmission Sitrak models use a torque converter system and do not require a traditional clutch release bearing.

What is the expected lifespan of this clutch bearing?

Under normal operating conditions, a quality WG9925160613 release bearing can last between 100,000 km and 200,000 km. However, lifespan varies significantly based on driving habits, load conditions, and whether the driver rests their foot on the clutch pedal (which causes premature wear). Regular inspection during clutch maintenance intervals helps catch early wear before failure occurs.

Can I install this bearing myself, or does it require professional service?

While the bearing itself is a straightforward component, replacing it requires removing the gearbox to access the clutch assembly. This is a labor-intensive job that demands proper tooling, alignment procedures, and torque specifications. Professional installation by a qualified heavy-duty truck mechanic is strongly recommended to avoid damage to the clutch system.

Do you offer other clutch components for Sinotruk Sitrak MC11?

Absolutely. Mettlead supplies a full range of clutch system parts including clutch discs, pressure plates, clutch boosters, and related hardware for the Sitrak MC11 platform. Ordering multiple clutch components together can simplify logistics and reduce your per-unit shipping costs.

Ready to Order? Let’s Talk Pricing and Availability

If you’re a wholesale distributor, regional agent, or fleet parts buyer looking for competitive pricing on the Clutch Bearing MC11 WG9925160613 for Sinotruk Sitrak, Mettlead is ready to support your business. We offer:

• Factory-direct wholesale pricing with volume discounts
• Fast and reliable global shipping (DDP, FOB, CIF available)
• Flexible, secure payment methods (T/T, L/C, Western Union, Trade Assurance)
• White-label and custom packaging services
• Open invitation for factory visits and quality audits

Don’t let your customers wait. Contact us now to request a quote, confirm stock availability, or discuss your OEM packaging requirements. Our team typically responds within 24 hours with pricing and lead time details.

Explore more Sitrak heavy-duty truck parts or browse our complete Sinotruk Sitrak parts category guide to find everything you need in one place.