Product Introduction

• Structure: A robust cast-iron assembly with integrated pivot points and contoured contact surfaces. The precision casting and reinforced design ensure it can withstand high mechanical loads and vibration.

• Performance: Converts the linear force from the clutch booster cylinder into the angular movement needed to push the release bearing against the pressure plate diaphragm spring, enabling smooth clutch disengagement. Its heavy-duty construction resists wear and deformation under harsh operating conditions.

Core Function

1. Force Conversion: Translates the linear push from the clutch booster into angular motion for the release bearing.

2. Precision Actuation: Ensures even pressure on the diaphragm spring for smooth clutch operation.

3. Durability: Cast-iron construction resists wear, deformation, and fatigue.

4. Direct Replacement: Engineered as a drop-in replacement for the original unit, requiring no modifications.

Clutch Release Fork 12817 Sinotruk – Heavy-Duty OEM Replacement for HOWO Trucks

When your Sinotruk HOWO truck demands a clutch component that delivers consistent, reliable performance under extreme loads, the Clutch Release Fork 12817 stands ready. Engineered specifically for Sinotruk heavy-duty applications, this precision-crafted release fork ensures smooth clutch disengagement, minimizes drivetrain wear, and keeps your fleet moving without costly downtime. As a factory-direct supplier, Mettlead brings you genuine-quality clutch parts at competitive wholesale prices — so you never have to compromise between performance and budget.

Whether you’re managing a transport fleet in Africa, Southeast Asia, or the Middle East, this clutch release fork is built to handle the toughest roads and heaviest payloads. Moreover, with our streamlined supply chain from China, you’ll experience faster lead times and more flexible ordering than traditional distribution channels can offer.

Key Features and Benefits of Clutch Release Fork 12817

Precision-Engineered for Sinotruk Applications

This release fork is manufactured to match OEM specifications for the Sinotruk HOWO clutch system. Every dimension, every surface finish, and every heat treatment is calibrated to ensure a perfect fit within the clutch housing. As a result, installation is straightforward, and compatibility issues become a thing of the past.

Superior Material Strength

Crafted from high-grade forged steel, the Clutch Release Fork 12817 resists bending, cracking, and premature fatigue — even under repeated heavy-load cycling. This means fewer replacements, lower maintenance costs, and greater confidence in your drivetrain’s reliability over the long haul.

Smooth Clutch Disengagement

The fork’s optimized pivot geometry translates pedal force into even pressure on the release bearing. Consequently, drivers experience a lighter, more responsive clutch feel, which reduces operator fatigue during long shifts and stop-and-go conditions.

Extended Service Life

Thanks to precision machining and surface hardening at critical contact points, this component outlasts generic aftermarket alternatives. In other words, you get more kilometers between replacements — a direct benefit to your total cost of ownership.

Factory-Direct Pricing from Mettlead

By sourcing directly from our manufacturing base in China, you eliminate middleman markups. Additionally, we support bulk orders with flexible MOQ arrangements, making it easy to stock your warehouse or fulfill urgent repair needs.

Technical Specifications – Clutch Release Fork 12817 Sinotruk

Application Scenarios – Compatible Vehicle Models

The Clutch Release Fork 12817 is designed as a direct-fit replacement for the Sinotruk clutch release mechanism. Specifically, it is compatible with the following applications:

• Sinotruk HOWO heavy-duty trucks – A7, T7H, and classic HOWO series equipped with standard pull-type clutch systems
• Sinotruk SITRAK series – C7H and C5H models using the corresponding clutch fork assembly
• Clutch system component pairing – Works seamlessly with OEM-spec release bearings, clutch pressure plates, and clutch discs within the Sinotruk drivetrain
• Fleet maintenance and overhaul programs – Ideal for scheduled clutch service intervals on mining trucks, long-haul logistics vehicles, and construction-site transport fleets

If you’re unsure about fitment for your specific truck model or year, our technical team is happy to verify part compatibility before you order. Simply contact us with your vehicle details.

OEM and Custom Packaging Capabilities

At Mettlead, we understand that different markets have different branding requirements. That’s why we offer flexible options tailored to your business model:

• White-Label Supply – Receive clutch release forks in neutral packaging, ready for your own brand labels and distribution channels.
• Custom Packaging – We can print your logo, part numbers, and brand colors directly on the product box — perfect for distributors building their own aftermarket brand identity.
• Strict Quality Control – Every batch undergoes dimensional inspection, hardness testing, and surface quality checks before shipment. We maintain full traceability, so you can trust the consistency of every order.
• Flexible Order Quantities – Whether you need a trial order of 50 pieces or a container-load shipment, our production line adapts to your volume requirements.

Furthermore, we welcome customers to visit our facility in China for factory audits and quality verification. Seeing our production process firsthand gives you complete confidence in the products you’re sourcing.

Frequently Asked Questions – Clutch Release Fork 12817

What does the clutch release fork actually do in a Sinotruk HOWO truck?

The clutch release fork acts as a lever within the clutch housing. When the driver presses the clutch pedal, hydraulic or mechanical force pushes the fork, which in turn moves the release bearing against the pressure plate diaphragm spring. This action disengages the clutch disc from the flywheel, allowing gear changes. Essentially, without a properly functioning release fork, smooth shifting becomes impossible.

How do I know when the Clutch Release Fork 12817 needs replacement?

Common symptoms include unusual noises when pressing the clutch pedal — often a grinding or scraping sound — difficulty disengaging the clutch fully, or a spongy and inconsistent pedal feel. In more severe cases, you might notice visible wear, bending, or cracking on the fork itself during routine clutch inspections. If the fork is deformed even slightly, it should be replaced immediately to avoid damaging the release bearing or pressure plate.

Is this clutch release fork a direct OEM replacement?

Yes. The Clutch Release Fork 12817 is manufactured to match the original equipment dimensions, material grade, and heat treatment specifications for Sinotruk applications. As a result, it installs directly without modification and performs identically to the factory-original component.

Can I install the clutch release fork without removing the entire transmission?

In most Sinotruk HOWO configurations, accessing the clutch release fork requires separating the gearbox from the engine to gain entry to the clutch bell housing. While this is standard procedure for clutch service, we recommend replacing the release bearing, pilot bearing, and clutch disc at the same time to maximize the value of the labor involved.

What causes a clutch release fork to fail prematurely?

The most common causes include overloading the vehicle beyond rated capacity, aggressive driving habits that cause excessive clutch slipping, using a mismatched or worn release bearing that creates uneven force on the fork, and lack of proper lubrication at the pivot point. Additionally, using low-quality aftermarket forks with insufficient material hardness accelerates fatigue failure.

Does Mettlead offer other Sinotruk clutch components?

Absolutely. We supply a complete range of Sinotruk clutch system parts, including release bearings, clutch discs, pressure plates, clutch master cylinders, and clutch booster assemblies. You can browse our full clutch parts catalog or explore our complete Sinotruk HOWO parts collection for everything from engine components to chassis hardware.

Ready to Order? Get Your Competitive Quote Today

Keeping your Sinotruk fleet running at peak performance starts with sourcing the right parts from the right supplier. The Clutch Release Fork 12817 delivers OEM-level quality at factory-direct pricing — backed by Mettlead’s commitment to fast shipping, strict quality control, and flexible payment options.

Take the next step toward smarter procurement:

• Request a quote — Tell us your quantity, destination, and timeline. We’ll respond within 24 hours with a competitive offer.
• Ask about bulk discounts — Larger orders unlock better per-unit pricing and priority production scheduling.
• Verify part compatibility — Share your truck model and VIN, and our engineers will confirm the exact fitment.

Contact us now to start your inquiry. You can also explore our comprehensive Sinotruk truck parts catalog to find everything you need in one place.