Product Introduction

This Air Dryer Tank Assembly WG9000360521+001 is an OEM integrated air dryer with reservoir for heavy-duty trucks and commercial vehicles. It combines air drying, purification, pressure control, and air storage in one compact unit, designed for reliable performance in harsh working conditions.

Performance

• High-Efficiency Drying: Premium desiccant effectively removes moisture, oil, and impurities to protect pneumatic brake systems from corrosion and freezing.

• Integrated Air Reservoir: Built-in air tank provides stable air supply and pressure buffering for consistent braking response.

• Robust & Durable: High-strength alloy construction with anti-corrosion coating ensures long service life under vibration, high pressure, and extreme temperatures.

• Leakproof & Stable: Precision machining and reliable sealing prevent air leakage and ensure stable system pressure.

• Direct OEM Replacement: Perfectly matches original mounting dimensions and connections for easy installation.

Core Function

1. Dries and purifies compressed air for the entire vehicle pneumatic system.

2. Stores compressed air and maintains stable system pressure.

3. Protects brake valves, pipelines, and actuators from moisture and contamination damage.

4. Ensures safe and stable braking performance under heavy loads and long-haul operation.

Air Drier Tank WG9000360521+001 for Sinotruk Sitrak Heavy-Duty Trucks

When your fleet depends on clean, dry compressed air to keep braking systems responsive and safe, you need an air dryer tank assembly that never lets you down. The Air Drier Tank WG9000360521+001 is an OEM-grade integrated air dryer with reservoir, purpose-built for Sinotruk Sitrak heavy-duty trucks and commercial vehicles. It combines air drying, purification, pressure regulation, and air storage into one compact, rugged unit — so your trucks stay road-ready even under the harshest operating conditions.

At Mettlead, we supply this genuine-spec air dryer tank assembly at factory-direct pricing from China, with strict quality control and fast, reliable global delivery. Whether you’re a fleet maintenance manager or a parts procurement specialist, this is the dependable replacement component your air brake system demands.

Key Features and Benefits of the Air Drier Tank WG9000360521+001

This isn’t just a simple reservoir — it’s a fully integrated pneumatic conditioning unit. Here’s what makes it stand out in your braking air circuit:

• All-in-One Design: Combines the air dryer cartridge, purification chamber, pressure governor, and air storage tank into a single assembly, reducing installation complexity and saving valuable space on the chassis.
• Superior Moisture Removal: The built-in desiccant cartridge efficiently strips moisture and oil vapor from compressed air, protecting downstream valves, actuators, and brake chambers from corrosion and freezing.
• Automatic Purge Function: Once system pressure reaches the cut-off point, the unit automatically purges collected contaminants and regenerates the desiccant — extending service life without manual intervention.
• Integrated Pressure Regulation: The built-in governor maintains optimal system pressure, ensuring consistent brake response and preventing over-pressurization that could damage pneumatic components.
• Heavy-Duty Construction: Engineered with corrosion-resistant materials and robust welds, this tank assembly withstands vibration, temperature extremes, and the punishing demands of long-haul and off-road operations.
• OEM Fitment Guaranteed: Manufactured to match original Sinotruk Sitrak specifications, so bolt patterns, port connections, and electrical interfaces align perfectly — no modifications needed.
• Extended Component Life: By delivering clean, dry air throughout the pneumatic system, this unit significantly reduces wear on brake valves, ABS modulators, and air suspension components downstream.

Technical Specifications — Air Drier Tank WG9000360521+001 Sinotruk Sitrak

Application Scenarios — Where This Air Dryer Tank Fits

The Air Drier Tank WG9000360521+001 is specifically designed for the following applications:

• Compatible Truck Models: Sinotruk Sitrak C7H, T7H, C5H series, and other CNHTC heavy-duty platforms sharing the same pneumatic architecture.
• System Category: Braking air circuit — serves as the primary air dryer and reservoir in the truck’s compressed air supply system.
• Component Role: Replaces the original dryer tank assembly (干燥筒罐体) within the air circuit system (气路系统配件).
• Use Case: Routine maintenance replacement, scheduled overhaul, or emergency repair when the existing unit shows signs of moisture bypass, pressure loss, or desiccant exhaustion.

If you’re sourcing braking system components for Sitrak trucks, explore our full range of braking system parts or browse the complete Sitrak heavy-duty parts catalog for additional components.

OEM/ODM Capability and Supply Advantages

Mettlead isn’t just a parts supplier — we’re your manufacturing partner for Chinese brand truck components. Here’s what sets our supply chain apart:

• Factory-Direct Pricing: We source directly from certified production lines in China, eliminating middlemen and passing genuine cost savings to your procurement budget.
• Strict Quality Control: Every Air Drier Tank WG9000360521+001 undergoes pressure testing, leak detection, and dimensional verification before shipment — so you receive parts that perform from day one.
• White-Label and Custom Packaging: Need your own brand on the box? We offer neutral packaging, private-label printing, and custom packaging solutions tailored to your distribution needs.
• Comprehensive Parts Coverage: Beyond this air dryer tank, we supply the full spectrum of parts for SINOTRUK, SITRAK, HOWO, SHACMAN, FAW, WEICHAI, DONGFENG, and FOTON platforms. Check our Sinotruk Sitrak truck parts full category guide for a complete overview.
• Fast and Reliable Delivery: Established logistics partnerships ensure your orders ship quickly, whether by sea, air, or express courier to any global destination.
• Flexible and Secure Payment: We accommodate T/T, L/C, Western Union, and other internationally recognized payment methods to suit your company’s financial processes.
• Factory Visits Welcome: We encourage procurement teams to visit our facilities in China for on-site quality audits and relationship building.

Frequently Asked Questions — Air Drier Tank WG9000360521+001

What does the Air Drier Tank WG9000360521+001 actually do in the truck?

This assembly acts as the first line of defense for your truck’s pneumatic braking system. Compressed air from the engine-driven compressor passes through the integrated dryer, where moisture, oil mist, and particulates are removed. The cleaned air is then stored in the built-in reservoir at regulated pressure, ready to supply the brake valves, chambers, and other pneumatic consumers on demand.

How do I know when this air dryer tank needs replacement?

Common signs include excessive moisture in downstream air lines, water accumulating in brake chambers, frequent compressor cycling, audible air leaks from the purge valve, or visible corrosion on the tank body. If your truck’s air pressure builds slowly or the dryer fails to purge properly, it’s time to replace the unit.

Is this an exact OEM replacement for my Sitrak truck?

Yes. The Air Drier Tank WG9000360521+001 is manufactured to match the original Sinotruk Sitrak specifications — including mounting dimensions, port sizes, electrical connections, and pressure ratings. It installs directly without any modifications to your existing air circuit.

Can I replace just the desiccant cartridge instead of the whole assembly?

In many cases, yes — the dryer cartridge is a serviceable component. However, if the tank body shows corrosion, the purge valve is malfunctioning, or the pressure governor is out of spec, replacing the complete assembly is the safer and more cost-effective long-term solution.

What’s the expected service life of this air dryer tank?

Under normal operating conditions with regular desiccant cartridge replacement, the complete assembly typically lasts several years. Actual lifespan depends on operating environment, compressor condition, duty cycle, and maintenance practices. Harsh dusty or humid environments may shorten service intervals.

Do you offer this air dryer tank with custom branding or packaging?

Absolutely. Mettlead provides white-label and custom packaging options, making it easy for distributors and resellers to market this part under their own brand identity.

Ready to Source Your Air Drier Tank WG9000360521+001?

Stop letting unreliable suppliers slow down your fleet maintenance schedule. With Mettlead, you get a genuine-spec Air Drier Tank WG9000360521+001 for Sinotruk Sitrak trucks — backed by factory-direct pricing, rigorous quality control, and responsive global logistics.

Whether you need a single unit for an urgent repair or bulk quantities for your warehouse inventory, our team is ready to provide competitive quotes with fast lead times.

Contact us today to request pricing, confirm fitment for your specific truck model, or discuss custom packaging requirements. Let’s keep your fleet moving.