SCR Catalytic Silencer
SCR каталитический глушитель
Silenciador catalítico SCR
The 1002870530 OEM SCR Catalytic Silencer is an advanced integrated exhaust aftertreatment component manufactured exclusively for the Shacman X5000 heavy-duty truck platform. This critical assembly combines a Selective Catalytic Reduction catalyst, an ammonia slip catalyst, and a precision-engineered silencer into a single compact unit, simultaneously converting harmful nitrogen oxide emissions into harmless nitrogen and water vapor while effectively reducing exhaust noise to meet stringent environmental regulations and vehicle noise standards.
Constructed with a high-grade stainless steel outer shell, a durable ceramic or metallic SCR catalyst substrate coated with advanced catalytic washcoat materials, and internal acoustic chambers with precisely tuned baffles, the SCR catalytic silencer delivers exceptional NOx conversion efficiency, long-term durability under extreme thermal cycling, and effective exhaust noise attenuation. The 1002870530 part features integrated sensor ports for NOx, temperature, and pressure sensors, enabling the engine ECU to monitor and optimize the SCR system performance in real time.
Installing a genuine OEM SCR catalytic silencer preserves the designed emissions compliance and exhaust noise levels of the vehicle, preventing the engine derate, increased emissions, and legal non-compliance that can result from aftertreatment system faults. The 1002870530 identifier provides complete traceability to Shacman’s rigorous material specifications and precision manufacturing quality assurance standards for this environmentally critical emissions control component.
| Parameter | Specification | Details |
|---|---|---|
| OEM Part Number | 1002870530 | Unique Shacman X5000 identifier |
| Product Name | SCR Catalytic Silencer | Integrated emission control and noise reduction unit |
| Brand / Vehicle Model | Shacman X5000 | Heavy-duty truck series |
| Outer Shell Material | High-grade stainless steel | Corrosion resistant and thermally durable |
| Catalyst Substrate | Ceramic or metallic honeycomb | High surface area for NOx conversion |
| Catalyst Function | SCR with ammonia slip catalyst | Converts NOx and traps excess ammonia |
| Sensor Ports | Integrated NOx, temperature, and pressure ports | Real-time SCR performance monitoring |
| Noise Reduction | Integrated acoustic chambers and baffles | Meets vehicle noise regulations |
| Application | Exhaust aftertreatment system | Reduces NOx emissions and exhaust noise |
| Packaging | Protective heavy-duty packaging | Shacman genuine labeled packaging |
The SCR catalyst chemically reduces nitrogen oxide molecules in the exhaust stream into harmless nitrogen gas and water vapor by reacting them with precisely dosed DEF, enabling the engine to meet stringent Euro or China emission standards.
The 1002870530 silencer’s internal acoustic chambers and precisely tuned baffles absorb and cancel the pulsating exhaust gas pressure waves, reducing the vehicle’s exhaust noise to levels compliant with local regulations.
The sensor ports provide the engine ECU with real-time data on NOx levels, exhaust temperature, and back pressure, enabling continuous optimization of the DEF dosing strategy for maximum conversion efficiency.
The SCR catalytic silencer 1002870530 is installed in the exhaust system downstream of the diesel particulate filter and upstream of the exhaust tailpipe on the Shacman X5000 vehicle. Before installation, the mounting brackets and exhaust pipe connections must be inspected for any damage or corrosion. The silencer is lifted into position, and the inlet and outlet flanges are connected to the mating exhaust pipes using new gaskets to ensure a gas-tight seal. The mounting brackets are secured, and the fasteners are torqued to specification. The sensor probes are installed into their respective ports, and the electrical connectors are engaged and locked. The DEF dosing injector, if mounted separately, is installed upstream of the SCR catalyst inlet. After installation, the exhaust system must be checked for any exhaust gas leaks, and the SCR system should be tested using a diagnostic scan tool to verify correct NOx sensor readings and DEF dosing function before the vehicle is returned to service.
Each SCR catalytic silencer produced under OEM number 1002870530 is manufactured using precision fabrication and catalyst coating processes. The outer shell is formed from high-grade stainless steel sheet that is rolled and welded to create a durable, corrosion-resistant housing. Internal baffles and acoustic chambers are precision-formed and welded in place to achieve the specified noise attenuation characteristics. The SCR catalyst substrate, made from ceramic or metallic honeycomb material, is coated with a precisely formulated catalytic washcoat containing active precious metals or base metal catalysts.
The catalyst brick is carefully canned into the housing with a specialized mat material that provides thermal insulation, mechanical support, and a gas-tight seal between the substrate and the shell. The sensor ports are precisely positioned and welded to ensure correct sensor insertion depth and gas flow exposure. Each completed silencer undergoes dimensional inspection, leak testing, and back pressure verification. Sample units are tested on a flow bench to confirm NOx conversion efficiency and noise attenuation performance. The silencer is then packaged in a heavy-duty protective container and labeled with the 1002870530 part number for complete traceability.
The SCR catalytic silencer should be inspected during routine vehicle service for any signs of external damage, corrosion, or exhaust gas leakage at the flange connections or around the sensor ports. The silencer body should be checked for dents or deformation that could indicate internal catalyst substrate damage. If the vehicle displays SCR efficiency-related diagnostic trouble codes, the catalyst may be degraded or contaminated and should be evaluated using a diagnostic scan tool to compare NOx sensor readings before and after the catalyst.
If the SCR catalyst has been contaminated by engine oil or coolant entering the exhaust system, or if the catalyst has been poisoned by using off-specification DEF, the silencer must be replaced with a new 1002870530 unit. The SCR catalyst is a non-serviceable component that cannot be cleaned or repaired. When replacing the silencer, the cause of the catalyst failure must be identified and corrected to prevent damage to the new unit. The DEF dosing system should also be inspected and tested to ensure it is delivering the correct quantity of DEF, as under-dosing will result in poor NOx conversion and over-dosing can cause ammonia slip and catalyst fouling.
Procuring the authentic SCR catalytic silencer for your Shacman X5000 exhaust aftertreatment system is a critical decision that impacts emissions compliance and vehicle uptime. Use the inquiry button above to verify current stock availability and request a competitive quotation. We maintain strategic inventory of these essential emissions control units to support both individual vehicle repairs and comprehensive fleet maintenance programs across all international regions.
To ensure you receive the exact factory-specified silencer with correct catalyst formulation, sensor port configuration, and noise attenuation characteristics for your application, always reference the OEM part number 1002870530 in your purchase order. Our logistics team provides complete export documentation and emissions compliance certification with every international shipment.
Emissions-Critical Stock Available
Immediate dispatch for Shacman X5000 aftertreatment service worldwide.
Investing in the genuine SCR Catalytic Silencer 1002870530 is a decision that directly impacts the emissions compliance, legal roadworthiness, and operational availability of your Shacman X5000 vehicle. Aftermarket silencers with inferior catalyst coatings, less precious metal loading, or inadequate noise attenuation can fail to meet the required NOx conversion efficiency, triggering OBD fault codes that lead to engine derate and mandatory service visits. Operating a vehicle with a non-compliant emissions system can also result in fines and regulatory penalties in jurisdictions with strict environmental enforcement.
The OEM SCR catalytic silencer’s specific catalyst formulation, substrate cell density, internal acoustic design, and sensor port configuration were validated through extensive engine dynamometer testing, vehicle chassis testing, and real-world durability evaluation. Shacman engineers specified this exact silencer design to provide the NOx conversion performance and noise attenuation that the X5000 engine requires to meet its certified emissions levels. The 1002870530 silencer delivers the dependable aftertreatment performance that keeps the vehicle compliant and operating at full power without interruption.
Professional fleet technicians and maintenance managers worldwide insist on the 1002870530 SCR catalytic silencer because they understand that this component is the final and most critical element in the exhaust aftertreatment chain. Every gram of NOx that the engine produces must be converted by this silencer before it reaches the atmosphere. Trust only the SCR catalytic silencer that Shacman engineered and certified for the uncompromising emissions requirements of the X5000 heavy truck platform.
The SCR catalytic silencer 1002870530 represents the convergence of advanced chemistry and precision engineering. The SCR catalyst inside the silencer contains a washcoat formulated with materials that promote the chemical reaction between nitrogen oxides and ammonia, which is generated when the injected DEF decomposes in the hot exhaust stream. This reaction converts the NOx molecules into nitrogen and water, two harmless components already present in the atmosphere. The efficiency of this conversion depends on the catalyst temperature, the DEF dosing accuracy, and the exhaust gas residence time within the catalyst.
The integrated ammonia slip catalyst is positioned downstream of the main SCR catalyst and serves to capture any excess ammonia that was not consumed in the NOx reduction reaction. This prevents the release of ammonia gas, which has a characteristic sharp odor and is itself a regulated pollutant. The combination of SCR catalyst and ammonia slip catalyst ensures that the exhaust leaving the vehicle meets all applicable emissions standards for both NOx and ammonia, while the silencer section reduces the exhaust noise to acceptable levels.
For our international customers, we take exceptional care in packaging the 1002870530 SCR catalytic silencer to prevent any damage to the catalyst substrate or the outer shell during global transit and storage. The silencer is individually packed in a custom-designed, reinforced crate with internal cushioning that protects the sensor ports and mounting flanges. Partner with our global supply network for a reliable source of genuine Shacman aftertreatment components, and maintain your fleet’s emissions systems at peak efficiency for full regulatory compliance and uninterrupted vehicle operation.
