Product Introduction

• Structure: Precision bent from high-elasticity 65Mn spring steel, featuring a closed circular loop end and two open prongs. The loop end provides stable clamping force, while the prongs insert into the clutch fork’s positioning holes for secure fixation. The surface undergoes black oxide treatment for corrosion resistance, and the bent profile is calibrated to maintain consistent clamping force after 100,000+ clutch cycles.

• Performance: The high-elasticity steel ensures the circlip maintains clamping force even under repeated clutch loads, preventing release bearing slippage. The black oxide coating resists corrosion from clutch dust and moisture, extending service life. The precision bent profile ensures a perfect fit with the clutch fork and release bearing housing.

Core Function

1. Release Bearing Fixation: Secures the release bearing to the left side of the clutch fork, preventing axial movement during clutch operation.

2. Axial Displacement Prevention: Maintains the release bearing’s precise alignment with the clutch pressure plate, ensuring smooth engagement/disengagement.

3. High-Cycle Durability: The spring steel material withstands over 100,000 clutch cycles without losing clamping force, reducing maintenance frequency.

Left Circlip-Release Bearing AZ2214260010 – SINOTRUK HW Series Gearbox

When your SINOTRUK HW series gearbox demands precision-engineered internal components, the Left Circlip-Release Bearing AZ2214260010 is the part that keeps everything locked in place. This small yet critical circlip secures the release bearing on the left side of the transmission assembly, ensuring smooth clutch disengagement and long-lasting gearbox performance. Sourced directly from our manufacturing base in China, Mettlead delivers this genuine-spec part to wholesale distributors and agents worldwide — at prices that protect your profit margins while maintaining the reliability your customers expect.

Key Features and Benefits of Left Circlip-Release Bearing AZ2214260010

You might think a circlip is just a simple ring. However, in a heavy-duty SINOTRUK HW series gearbox, every millimeter of tolerance matters. Here is why this particular left circlip-release bearing stands out:

• OEM-Matched Specification: Manufactured to match the original SINOTRUK part number AZ2214260010, so it fits perfectly without modification into the HW series gearbox housing.
• Premium Spring Steel Construction: Made from high-carbon spring steel with appropriate heat treatment, this circlip retains its elasticity and clamping force even under extreme vibration and thermal cycling inside the transmission.
• Reliable Retention Force: Engineered to hold the release bearing firmly on the left side of the clutch mechanism, preventing axial play that could lead to premature bearing wear or clutch failure.
• Corrosion-Resistant Surface: A protective finish guards against moisture and chemical exposure common in heavy-truck operating environments.
• Bulk Availability: As a high-demand consumable part, we maintain consistent stock levels ready for wholesale orders — minimizing your lead time and keeping your supply chain uninterrupted.
• Cost-Effective Sourcing: Factory-direct pricing means higher margins for distributors and agents who resell SINOTRUK gearbox components in their local markets.

Technical Specifications

Below you will find the core parameters for the Left Circlip-Release Bearing AZ2214260010 SINOTRUK HW Series Gearbox. These details help you confirm fitment and compatibility before placing your order:

Application Scenario: Where Does This Circlip Belong?

The Left Circlip-Release Bearing AZ2214260010 is specifically designed as a retention component within the SINOTRUK HW series gearbox clutch release mechanism. In practical terms, it sits on the left groove of the release bearing sleeve, locking the bearing assembly in position so that clutch engagement and disengagement cycles operate smoothly.

Compatible Vehicle and Gearbox Applications:

• SINOTRUK HOWO A7 heavy-duty trucks equipped with HW series manual transmissions
• SINOTRUK SITRAK C7H series with HW19710/HW15710 gearboxes
• HOWO T7H tractor units running HW series drivetrains
• Various SINOTRUK mining and construction vehicles utilizing HW gearbox platforms

Whenever a technician disassembles the clutch housing for release bearing replacement or routine gearbox overhaul, this circlip must be inspected. If it shows any sign of deformation, fatigue cracking, or loss of spring tension, replacement is essential. A failed circlip can allow the release bearing to shift, causing uneven clutch wear, grinding noises, or complete clutch disengagement failure — problems no fleet operator wants to face on a loaded long-haul route.

Browse more compatible components in our Gearbox Parts Category and SINOTRUK HOWO Gearbox Parts pages for a complete range of transmission components.

OEM/ODM Capabilities and White-Label Packaging

At Mettlead, we understand that wholesale distributors and regional agents often need more than just parts — they need a supply partner who adapts to their business model. That is exactly what we offer:

• White-Label Packaging: Want to sell the Left Circlip-Release Bearing AZ2214260010 under your own brand? We provide custom packaging with your logo, part numbers, and branding specifications printed on the box.
• Custom Packaging Options: From bulk poly bags for workshop resellers to individual blister packs for retail distribution, we accommodate your preferred format.
• Strict Quality Control: Every batch of circlips undergoes dimensional inspection, hardness testing, and elasticity verification before shipment. This means fewer returns and stronger trust between you and your end customers.
• Flexible Order Quantities: Whether you need a trial order of 100 pieces or a container load for annual stocking, our production capacity scales to match your demand cycle.
• Documentation Support: We provide packing lists, commercial invoices, certificates of origin, and other export documentation to streamline your import process.

Explore our full SINOTRUK HOWO Truck Parts catalog to discover the breadth of components we supply across all major systems.

Customer Case Study: Left Circlip-Release Bearing AZ2214260010 Bulk Supply to East Africa

In early 2024, a truck parts distributor based in Nairobi, Kenya reached out to us with a specific challenge. Their fleet maintenance clients were frequently replacing release bearings in SINOTRUK HW series gearboxes, but the left circlips were being discarded and not restocked — leading to callbacks and repeat repairs when reused circlips failed.

After reviewing their situation, we proposed a bundled supply solution: the Left Circlip-Release Bearing AZ2214260010 packaged alongside the release bearing itself as a gearbox service kit. Within three months, this distributor had placed three repeat orders totaling over 2,000 pieces of the AZ2214260010 circlip alone. Their workshop clients reported a measurable drop in clutch-related comebacks, and the distributor’s reputation for stocking hard-to-find SINOTRUK HW series gearbox components grew significantly in their region.

This is the kind of partnership we build at Mettlead — not just shipping parts, but helping you identify product opportunities and create value for your downstream customers.

Frequently Asked Questions (FAQ)

What exactly does the Left Circlip-Release Bearing AZ2214260010 do inside the gearbox?

This circlip acts as a retaining ring that locks the release bearing into its correct axial position on the left side of the clutch release mechanism within the SINOTRUK HW series gearbox. Without it, the bearing can slide out of alignment, causing incomplete clutch disengagement and accelerated component wear.

Is the AZ2214260010 circlip a one-time-use part or can it be reused?

Technically, a circlip that shows no deformation or fatigue can be reinstalled. However, best practice in professional gearbox overhaul work is to replace it every time the release bearing is serviced. Spring steel loses a small amount of clamping force with each removal cycle, and the cost of a new circlip is negligible compared to the risk of a roadside gearbox failure.

How do I verify that AZ2214260010 fits my specific SINOTRUK gearbox model?

The part number AZ2214260010 is cataloged by SINOTRUK for the HW series manual gearboxes, including the HW15710 and HW19710 variants. If you have your gearbox nameplate data or VIN, our team can cross-reference compatibility for you. Simply contact us with your details.

What material is this left circlip made from, and does it resist heat inside the gearbox?

The circlip is manufactured from high-carbon spring steel that has been heat-treated to achieve the correct balance of hardness and elasticity. It comfortably withstands the operating temperatures found inside a heavy-duty truck gearbox, which typically range between 80°C and 120°C during normal service conditions.

Can I order the Left Circlip-Release Bearing AZ2214260010 with my own brand packaging?

Absolutely. Mettlead offers full white-label and custom packaging services. You provide your brand artwork and specifications, and we produce the packaging to your requirements — even down to individual part number labels on each bag or box.

What is the typical lead time for a wholesale order of this circlip?

For in-stock items, we typically dispatch within 3–5 business days of payment confirmation. For larger custom-packaged orders, production and packaging may take 10–15 business days. We always confirm lead times at the quotation stage so you can plan your inventory accordingly.

Ready to Stock the Left Circlip-Release Bearing AZ2214260010?

Whether you are building out your SINOTRUK HW series gearbox parts inventory or responding to a specific customer demand, Mettlead is your direct-from-China supply partner. We combine factory pricing with quality you can trust and logistics that keep pace with your business needs.

Take the next step today:

• Request a wholesale quotation with MOQ and volume pricing
• Ask about white-label packaging for the AZ2214260010
• Inquire about bundled gearbox service kits for higher-value orders

Contact Us Now to get your personalized quote and discover why distributors across Africa, the Middle East, Southeast Asia, and South America trust Mettlead for their SINOTRUK truck parts supply.