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Clean, dry air is non-negotiable for heavy-duty truck brake safety. The WG9000360521/001 Air Dryer Filter is the guardian of your air system. This vital chassis component is a cornerstone of reliable Sinotruk howo parts. The WG9000360521/001 filter cartridge works inside the air dryer. It removes harmful contaminants and moisture from compressed air. This protects valves, brake chambers, and the entire pneumatic system from costly damage.
WG9000360521/001 Air Dryer Filter
Фильтр осушителя воздуха WG9000360521/001
Filtro del Secador de Aire WG9000360521/001
The WG9000360521/001 is a replaceable desiccant cartridge. It installs inside the air dryer unit on the chassis. Hot, wet air from the compressor enters the dryer.
This air passes through the WG9000360521/001 filter bed. The desiccant beads adsorb water vapor and oil mist. The process leaves clean, dry air to exit the dryer.
This dry air is stored in the system’s tanks. It is used for braking and auxiliary functions. The filter is the final barrier before air enters critical components.
Superior Moisture & Contaminant Removal
High-capacity desiccant beads effectively adsorb water vapor and trap oil aerosols. This prevents ice and sludge formation in air lines.
Optimized Flow & Low Pressure Drop
Engineered pleated media and bead structure ensure efficient air flow. This maintains quick system pressure recovery for responsive braking.
Durable, Leak-Proof Housing Design
Robust metal or composite canister with precise sealing gaskets. Prevents desiccant bypass and ensures all air is treated by the WG9000360521/001.
Supports Dryer Regeneration Cycle
The desiccant in the WG9000360521/001 is designed for effective purge air reactivation. This restores drying capacity and extends service intervals.
| Parameter / Feature | Specification / Description |
|---|---|
| OEM Part Number | WG9000360521/001 |
| Component Name | Air Dryer Filter Cartridge (Desiccant Cartridge) |
| Brand & Application | SINOTRUK Howo. Fits the air dryer unit in the vehicle’s pneumatic brake system. |
| Filter Type | Desiccant (adsorbent) cartridge, often with integrated pre-filter and post-filter layers. |
| Desiccant Material | High-grade activated alumina or molecular sieve beads for maximum moisture adsorption. |
| Operating Pressure | Rated for standard truck air system pressures (typically up to 150 psi / 10 bar). |
| Housing Compatibility | Precisely designed to fit SINOTRUK Howo air dryer models (e.g., WABCO, Knorr-Bremse types). |
| Product Condition | New, 100% Genuine OEM Part. Sealed in original packaging to preserve desiccant. |
The air brake system is a closed-loop pneumatic circuit. The compressor pumps air into the system. This air is hot and saturated with water vapor.
It first enters the air dryer unit. Here, the WG9000360521/001 cartridge performs its drying magic. Moisture and oil are stripped from the air stream.
The dry air proceeds to the supply reservoirs. From there, it feeds the foot valve and brake chambers. Every brake application uses air dried by this filter.
During the dryer’s purge cycle, a blast of dry air reactivates the WG9000360521/001 desiccant. This releases trapped moisture out of the system. The cycle repeats continuously.
Increased purge cycle frequency is a key sign. The dryer purges very often because the WG9000360521/001 is saturated. This indicates it can no longer hold moisture.
Water in the air system drain valves is a direct symptom. You see liquid water expelled from the tanks. This means the filter is bypassing moisture.
Slow air pressure buildup occurs. A clogged filter cartridge causes excessive pressure drop. The compressor works harder to fill the tanks.
Frozen air lines in cold weather are a severe consequence. Moisture in the lines freezes and blocks air flow. This can lead to complete brake failure.
Always depressurize the entire air system first. Drain all air reservoirs completely. This ensures safe removal of the cartridge.
Locate the air dryer on the truck chassis. Unscrew the filter bowl or cartridge housing. Carefully remove the old WG9000360521/001 filter.
Clean the housing and check the O-rings. Install the new WG9000360521/001 cartridge. Ensure it is seated correctly and seals are in place.
Tighten the housing according to manufacturer torque. Re-pressurize the system and check for leaks. Perform a manual purge cycle to initialize the dryer.
Follow the OEM service schedule strictly. Typically, replace the WG9000360521/001 every 12 months. Or replace it every 150,000 kilometers, whichever comes first.
Severe operating conditions demand more frequent changes. High humidity environments accelerate desiccant saturation. Extensive compressor oil carryover also shortens life.
Monitor the air system’s automatic drain valve. If it expels excessive water, inspect the filter. Do not wait for symptoms to appear before replacing.
Keeping a log of replacement dates is wise for fleet management. Using genuine WG9000360521/001 ensures consistent interval performance. It protects your maintenance budget.
Water corrodes internal surfaces of air tanks. This leads to rust flakes that clog valves. It damages the delicate seals in brake chambers and valves.
In winter, water freezes in air lines. This can block air flow completely. A frozen line may cause a brake to lock up or fail to release.
Oil and water mix to form acidic sludge. This sludge attacks aluminum and rubber parts. It causes costly failures in the ABS modulator valves.
The WG9000360521/001 filter prevents all these issues. It is a small investment compared to valve replacement costs. It is critical for system longevity and safety.
The WG9000360521/001 uses high-grade adsorbent materials. Activated alumina has a vast network of microscopic pores. These pores physically trap water molecules.
Molecular sieve desiccants are even more selective. They can achieve a lower dew point. This means the outgoing air is extremely dry.
The beads are designed to withstand attrition. They must not turn to powder from vibration. OEM cartridges use durable, dust-free beads.
The cartridge also contains filter layers. A pre-filter catches large particulates and liquid oil. A post-filter prevents any desiccant dust from escaping.
For fleet operators, air system failures are expensive. A single failed ABS valve costs much more than a filter. Downtime for repairs is even costlier.
Proactive replacement of the WG9000360521/001 is a best practice. It should be part of the annual preventive maintenance plan. Bulk purchasing reduces the per-unit cost.
Training mechanics on proper installation is key. An incorrectly seated filter causes leaks and bypass. This wastes the investment and risks the system.
Documenting filter changes supports warranty claims. It also provides data for optimizing service intervals. The genuine WG9000360521/001 delivers predictable performance.
A clean air system runs more efficiently. The compressor does not cycle unnecessarily. This reduces fuel consumption and wear on the compressor.
Properly dried air extends the life of all components. This reduces the environmental impact of manufacturing replacements. It supports sustainable fleet operations.
The WG9000360521/001 cartridge itself is recyclable in many regions. The metal housing can be reclaimed. Used desiccant is often inert and non-hazardous.
By preventing oil mist from entering the tanks, it reduces contaminated condensate. This makes draining the tanks a cleaner, safer process for the technician.
The Air Dryer Filter Cartridge, part number WG9000360521/001, is a critical defense component for SINOTRUK Howo air brake systems. Its role in delivering clean, dry air is fundamental for safe, reliable braking and pneumatic operation.
Protect your vehicle investment and ensure operational safety by using the genuine WG9000360521/001 filter. Its OEM-engineered desiccant, precise fit, and robust construction guarantee optimal drying performance. Make this essential cartridge a priority in your chassis maintenance regimen.