Product Introduction

This Air Reservoir 40L WG9000360703 is an OEM single-chamber air storage tank for heavy-duty trucks and commercial vehicles. It features a high-strength seamless steel construction, a 40-liter capacity, and a corrosion-resistant coating, engineered to securely store dry compressed air for the vehicle’s pneumatic brake and auxiliary systems under heavy-load operations.

Performance

• Robust Seamless Steel Construction: This 40L heavy-duty air reservoir is manufactured from premium high-carbon steel with seamless welding, ensuring it withstands extreme pneumatic pressure (up to 1.0MPa) and resists deformation under vehicle vibration or impact—a high performance air storage tank.

• Superior Corrosion Resistance: The electrostatic powder-coated finish provides long-lasting protection against road salt, moisture, and debris, preventing rust and extending service life in harsh undercarriage environments.

• Precision Sealing: Machined threaded ports with high-quality gaskets ensure leak-free connections, making it a reliable replacement air reservoir for commercial vehicles.

• OEM Exact Fit: Optimized for Sinotruk heavy-duty truck models, it matches original mounting points and port positions for seamless installation.

Core Function

1. Stores dry, clean compressed air to provide stable pressure for the pneumatic brake system, ensuring responsive braking under heavy loads and long downhill runs—a core part of heavy duty truck brake parts.

2. Acts as a buffer to stabilize system pressure, reducing wear on air compressors and valves.

3. Supplies air for braking, suspension, gearbox, and other pneumatic accessories.

4. Fully OEM-compatible for direct replacement, restoring the air storage and pressure stability function of the pneumatic system.

Air Reservoir 40L WG9000360703 – OEM Sinotruk Air Storage Tank for Heavy-Duty Trucks

When your heavy-duty truck’s braking system demands a reliable, uninterrupted supply of compressed air, the Air Reservoir 40L WG9000360703 Sinotruk delivers exactly that. Engineered with high-strength seamless steel and a corrosion-resistant coating, this OEM single-chamber air storage tank keeps your pneumatic brake and auxiliary systems performing at peak efficiency—even under the most punishing heavy-load operations. Whether you’re sourcing for fleet assembly, replacing a damaged unit, or stocking up for routine maintenance, this 40-liter air reservoir is built to meet the rigorous standards that Sinotruk vehicles require.

Key Features and Benefits of the Air Reservoir 40L WG9000360703

So, what makes this particular air reservoir stand out from the crowd? Let’s break it down:

• OEM-Grade Compatibility: Manufactured to match the exact specifications of the original Sinotruk part number WG9000360703, ensuring a perfect fit without any modifications.
• High-Strength Seamless Steel Construction: Unlike welded tanks that can develop weak points over time, this reservoir is formed from a single piece of steel—dramatically reducing the risk of leaks and structural failure.
• 40-Liter Capacity: Provides ample compressed air storage to support consistent brake response and auxiliary system operation, even during extended heavy-haul routes.
• Corrosion-Resistant Coating: A specialized surface treatment protects the tank from rust, moisture damage, and chemical exposure, significantly extending its service life in harsh environments.
• Reliable Pressure Retention: Precision-machined ports and sealing surfaces ensure airtight performance, maintaining stable system pressure throughout operation.
• Factory-Direct Pricing: By sourcing directly from Mettlead, you eliminate middlemen and enjoy competitive wholesale pricing without sacrificing quality.
• Strict Quality Control: Every unit undergoes rigorous pressure testing and dimensional inspection before shipment, so you receive a part that’s ready to install with confidence.

Technical Specifications – Air Reservoir 40L WG9000360703 Sinotruk

For procurement managers who need precise data before placing an order, here are the detailed technical parameters of this air reservoir:

Application Scenarios – Where Does This Air Reservoir Fit?

Understanding exactly where and how this part serves your fleet is essential for making the right purchasing decision. Here’s a clear picture of its application:

• Compatible Vehicle Models: This Air Reservoir 40L WG9000360703 is specifically designed for Sinotruk heavy-duty truck models, including the HOWO and SITRAK series.
• System Role: It functions as a critical component within the air supply system, storing dry compressed air that feeds the vehicle’s pneumatic braking system and other air-operated accessories.
• Use Cases: Ideal for new vehicle assembly lines, direct replacement of damaged or corroded air tanks, scheduled preventive maintenance, and fleet overhaul programs.
• Operating Environment: Engineered to perform reliably in long-haul transport, mining operations, construction site logistics, and other demanding heavy-load scenarios.

Looking for more Sinotruk braking system components? Browse our complete Braking System Parts catalog, or explore the full range of Sinotruk HOWO Truck Parts available at Mettlead.

OEM/ODM Capability – Tailored to Your Business Needs

At Mettlead, we understand that different markets have different requirements. That’s precisely why we offer flexible customization options alongside our standard OEM parts:

• White-Label Packaging: Want to sell under your own brand? We provide neutral or custom-branded packaging that aligns with your company identity—no minimum design fees for qualified orders.
• Custom Packaging Solutions: From individual retail boxes to bulk pallet configurations, we adapt our packaging to suit your distribution model and protect products during international transit.
• Strict Quality Assurance: Regardless of customization level, every Air Reservoir 40L WG9000360703 passes the same rigorous quality control process—pressure testing, surface inspection, and dimensional verification.
• Factory Visit Welcome: We encourage procurement managers to visit our facility in China to inspect production lines, verify quality standards, and build long-term supply partnerships with confidence.

Additionally, you can explore our comprehensive Sinotruk Truck Parts catalog to discover thousands of genuine and aftermarket components ready for global shipment.

Frequently Asked Questions – Air Reservoir 40L WG9000360703 Sinotruk

1. What is the working pressure rating of this 40L air reservoir?

This Air Reservoir 40L WG9000360703 is designed to operate safely at pressures up to 1.25 MPa, which aligns with the standard pneumatic system requirements of Sinotruk heavy-duty trucks.

2. Is this air reservoir a direct replacement for the original Sinotruk part?

Absolutely. The WG9000360703 is manufactured to OEM specifications, meaning it matches the original mounting dimensions, port locations, and performance characteristics. You can install it directly without any modifications to your vehicle’s existing brackets or air lines.

3. How does the seamless steel construction benefit this air reservoir?

Seamless steel eliminates weld seams—the most common failure points in pressurized tanks. This means the Air Reservoir 40L WG9000360703 offers superior fatigue resistance, better pressure retention over time, and a significantly lower risk of developing micro-cracks or leaks compared to welded alternatives.

4. What kind of corrosion protection does this air tank have?

The exterior features a specialized anti-corrosion coating that guards against rust, road salt, moisture, and chemical exposure. This protective layer is particularly important for trucks operating in humid climates, coastal regions, or harsh winter conditions where road de-icing chemicals are common.

5. Can I use this air reservoir on non-Sinotruk vehicles?

While the WG9000360703 is specifically designed for Sinotruk models, it may fit other heavy-duty vehicles with compatible mounting configurations and port specifications. However, we strongly recommend verifying dimensions and connection sizes against your vehicle’s requirements before ordering. Feel free to contact us with your vehicle details for a compatibility check.

6. How should I maintain this air reservoir to maximize its lifespan?

Regular maintenance is straightforward: drain the condensation valve periodically to remove accumulated moisture, inspect the exterior coating for damage or rust spots, check all connection fittings for air leaks, and ensure the mounting brackets remain secure. Following these simple steps will help your Air Reservoir 40L WG9000360703 deliver years of dependable service.

Ready to Order? Get Your Competitive Quote Today

As a procurement manager, you need a supplier who delivers the right parts, at the right price, on time—every time. Mettlead offers factory-direct pricing on the Air Reservoir 40L WG9000360703 Sinotruk, backed by strict quality control, flexible payment options, and fast international shipping to keep your fleet running and your maintenance schedules on track.

Whether you need a single replacement unit or bulk quantities for fleet-wide maintenance, our team is ready to provide a tailored quotation that fits your budget and timeline.

Contact Us Now to request pricing, check stock availability, or discuss custom packaging for the Air Reservoir 40L WG9000360703. Let’s build a reliable supply partnership together.