Product Introduction

This precision-machined splined gasket is a critical component for fine-tuning the position of internal transmission parts that feature external splines.

• Structure & Material: Made from high-strength alloy steel, it features an external spline profile that matches internal splined components, with a flat, uniform thickness. The surface is precision-ground for accuracy and corrosion resistance.

• Performance: The precisely controlled thickness allows for accurate axial adjustment, ensuring proper gear meshing and preventing excessive endplay or preload. The external splines ensure it locks securely into mating components without slipping.

• Durability: The hardened steel construction withstands high torque loads and friction, maintaining its shape and precision over time.

• Compatibility: Direct OE replacement, fully matching the spline count and dimensional specifications of the HW19710 transmission.

Core Function

1. Precision Adjustment: Fine-tunes the axial position of splined components to ensure optimal gear meshing and bearing preload.

2. Endplay Control: Prevents excessive movement of gears and shafts, which can cause noise, vibration, and premature wear.

3. Secure Fit: The external splines lock the gasket into mating components, ensuring it stays in place under high torque loads.

Spline Adjustment Gasket WG2210040023 – SINOTRUK HW Series Gearbox | Factory Direct Supply

When your SINOTRUK HW Series Gearbox demands precision-engineered components, the Spline Adjustment Gasket WG2210040023 delivers exactly what you need. This critical gearbox component ensures proper spline clearance and smooth gear engagement, ultimately extending the service life of your entire transmission system. As a factory-direct supplier, Mettlead brings you this genuine-quality part at competitive wholesale pricing — so you never have to compromise between reliability and cost-efficiency.

Key Features and Benefits of the Spline Adjustment Gasket WG2210040023

Choosing the right spline adjustment gasket is not just about fitting a part into a slot — it is about safeguarding the entire drivetrain performance. Here is what makes this gasket stand out:

• Precision-Machined Dimensions: Manufactured to exact OEM tolerances, this gasket guarantees optimal spline clearance within the SINOTRUK HW Series Gearbox, preventing premature wear and gear slippage.
• High-Grade Material Composition: Crafted from wear-resistant alloy steel, the WG2210040023 gasket withstands extreme torque loads, high temperatures, and continuous vibration — conditions typical in heavy-duty truck operations.
• Extended Transmission Lifespan: By maintaining correct spline adjustment, this gasket reduces metal-to-metal contact stress, thereby minimizing costly gearbox overhauls and unscheduled downtime.
• Direct OEM Replacement: Drops right into the existing assembly without modification. That means faster repairs, lower labor costs, and zero guesswork for your mechanics.
• Strict Quality Control: Every batch undergoes dimensional inspection, hardness testing, and surface finish verification before shipment — ensuring zero-defect delivery to your warehouse.

In other words, when you invest in the Spline Adjustment Gasket WG2210040023, you are investing in the long-term health of your entire fleet’s gearbox system.

Technical Specifications

Below you will find the detailed parameters for this SINOTRUK HW Series Gearbox Spline Adjustment Gasket. These figures help procurement managers verify compatibility and plan inventory accurately:

Application Scenarios

Understanding where and how this part functions helps you make a more confident purchasing decision. The Spline Adjustment Gasket WG2210040023 is specifically designed for the following applications:

• Compatible Gearbox: SINOTRUK HW Series Transmission (including HW15710, HW19710, and HW20716 models)
• Compatible Vehicles: SINOTRUK HOWO A7, HOWO T7H, SITRAK C7H, and other heavy-duty trucks equipped with HW series gearboxes
• Related Part: Works in conjunction with Spline Gasket Block WG2210040012 for complete spline clearance adjustment
• Typical Use Case: During gearbox overhaul or scheduled maintenance, technicians use this gasket to restore proper spline alignment, ensuring smooth shifting and eliminating gear noise under load

Whether you are managing a fleet maintenance workshop in Africa, a spare parts distribution network in Southeast Asia, or a truck assembly plant in the Middle East, this gasket is an essential inventory item for any operation running SINOTRUK-powered vehicles.

Explore our full range of gearbox components and SINOTRUK HOWO gearbox parts to source everything you need from one reliable supplier.

OEM/ODM Capabilities and Supply Advantages

At Mettlead, we understand that procurement managers need more than just a part — you need a supply partner who delivers consistency, flexibility, and value. Here is how we support your business:

• Factory-Direct Pricing: We eliminate middlemen, connecting you straight to verified manufacturing sources. This translates into 20–40% cost savings compared to traditional trading channels.
• White-Label & Custom Packaging: Building your own brand? We offer neutral packaging and custom labeling services, allowing you to strengthen your market presence without investing in manufacturing.
• Comprehensive Product Range: Beyond the WG2210040023 gasket, we supply thousands of parts across SINOTRUK, SHACMAN, FAW, WEICHAI, DONGFENG, and FOTON platforms — all from a single source.
• Strict Quality Assurance: From raw material inspection to final packaging, our multi-stage QC process ensures every Spline Adjustment Gasket meets or exceeds OEM performance standards.
• Fast & Reliable Delivery: Strategically located warehousing and established logistics partnerships mean your orders reach you faster, regardless of destination.
• Flexible Payment Methods: We support T/T, L/C, Western Union, and online payment — all through secure, verified channels.
• Factory Visits Welcome: We encourage you to visit our supply chain facilities in China for firsthand quality verification and relationship building.

Discover our complete catalog of SINOTRUK HOWO truck parts and spare parts to see just how comprehensive our coverage truly is.

Customer Case Study: Spline Adjustment Gasket WG2210040023 in Action

In early 2024, a fleet maintenance company based in Nigeria reached out to Mettlead with an urgent requirement. They managed over 60 SINOTRUK HOWO A7 dump trucks operating in mining logistics, and nearly a third of their fleet was experiencing excessive gear noise and hard shifting — symptoms pointing directly to worn spline clearances in the HW Series Gearbox.

After consulting with our technical team, they placed an initial order of 200 pieces of the Spline Adjustment Gasket WG2210040023, along with matching gasket blocks (WG2210040012). The entire order was inspected, packaged in their custom branding, and shipped within 7 working days.

The result? Within three weeks of receiving the shipment, their workshop had restored smooth gear engagement across 18 trucks — reducing their average repair turnaround time by 35%. Moreover, the cost savings compared to their previous sourcing channel exceeded 28% per unit. They have since become a repeat quarterly buyer, expanding their orders to include clutch discs, synchronizer rings, and output shaft components.

This is exactly the kind of partnership Mettlead was built for — solving real maintenance challenges with quality parts, fast delivery, and pricing that protects your margins.

Frequently Asked Questions (FAQ)

What is the function of the Spline Adjustment Gasket WG2210040023 in the SINOTRUK HW Series Gearbox?

The Spline Adjustment Gasket WG2210040023 is used to regulate the axial clearance between spline-connected components within the HW series gearbox. By providing precise thickness compensation, it ensures correct gear meshing depth and eliminates excessive play — which, if left unchecked, causes gear noise, vibration, and accelerated wear on transmission internals.

How do I know if my gearbox needs a new Spline Adjustment Gasket?

Common indicators include abnormal gear whine under load, difficulty engaging specific gears, or noticeable free play in the output shaft. During a gearbox teardown, if the existing gasket shows signs of deformation, scoring, or uneven wear patterns, replacement with a fresh WG2210040023 gasket is strongly recommended.

Is this gasket compatible with all SINOTRUK HW gearbox variants?

Yes, the WG2210040023 is designed to fit the standard HW series gearbox family, including HW15710, HW19710, and HW20716 models. However, if you are working with a specialized or modified transmission configuration, we recommend confirming the part number against your gearbox assembly drawing before ordering.

What is the difference between WG2210040023 and WG2210040012?

Both are spline adjustment components used within the HW Series Gearbox, but they differ in thickness and placement position. The WG2210040023 and WG2210040012 are often used together as a set to achieve the correct total clearance value. During overhaul, technicians measure the actual gap and select the appropriate combination of gaskets to meet factory specifications.

Can I order the Spline Adjustment Gasket WG2210040023 with custom packaging?

Absolutely. Mettlead offers white-label and custom-branded packaging for all gearbox components, including the WG2210040023 gasket. Simply share your packaging design or branding requirements, and our team will handle the rest — making it easy for you to build your own aftermarket brand.

What quality assurance measures are in place for this part?

Each production batch undergoes multi-point inspection including dimensional verification (±0.02 mm tolerance), Rockwell hardness testing (HRC 58–62), surface roughness measurement, and visual defect screening. Only parts that pass all checkpoints are approved for packaging and dispatch.

Ready to Secure Your Supply? Let’s Talk.

If you are a procurement manager, fleet operator, or parts distributor looking for a reliable, cost-effective source for the Spline Adjustment Gasket WG2210040023 and other SINOTRUK HW Series Gearbox components, Mettlead is here to make it easy.

Send us your part list, tell us your required quantities, and receive a competitive quotation within 24 hours — no obligation, no hassle.

Contact us now to request pricing, confirm availability, or discuss custom packaging options. Your next shipment of quality gearbox parts is just one message away.