Volkswagen & Audi TDI Diesel Engines WJIECO Diesel PM Particulate Matter Soot Sensor | OE: 04L906261H | Bosch Part Number: 0281007399,  0281007400 Direct Replacement Exhaust Monitoring Sensor

Purchase Precautions

• Model Confirmation First: Please purchase according to your vehicle’s original OE/OEM part numbers  If you cannot confirm the matching model, contact our customer service for 24-hour professional guidance. You can provide vehicle frame number, model year, displacement, engine code and fuel type for accurate part matching. Do not place orders blindly to avoid installation failure caused by mismatched parts.
• Safe Installation Operation: Please wait for the engine to cool down completely before installation to prevent high-temperature burns. Ensure all interfaces are tightly locked after installation to avoid air leakage and detection inaccuracy.
• After-sales Problem Handling: If you encounter malfunction warning lights, signal abnormality and other problems after installation, please contact us in time. Our team will reply within 24 hours and provide professional troubleshooting and solutions.
• Professional Vehicle-only Parts: This sensor is a dedicated auto parts for vehicle exhaust detection. Do not disassemble, modify or use it for non-vehicle equipment, otherwise it will cause product damage and void the warranty.

Product Parameters

• Product Model & OEM/OE Number:  04L906261H,  0281007399,  0281007400
• Measurement Range: 0～25 mg/m³
• Measurement Accuracy: ±1.0 mg/m³
• Response Time: <15 s
• Probe Operating Temperature: -20℃～450℃
• Regeneration Temperature: 800℃
• Supply Voltage: 12V
• Communication Protocol: CAN/J1939
• Mounting Thread: M22×1.5
• Part Brand: WJIECO
• Part Origin: Made in China
• Packaging Size: 18 * 12 * 6 cm
• Logistics Weight: 0.25-0.45kg (1 Piece)
• Part Name: Diesel Exhaust Particulate Matter Sensor / PM Soot Sensor

Product Overview

Premium Quality & Strict Manufacturing Standard

Function & Benefit

• Accurately detect real-time diesel exhaust soot and particulate matter concentration, transmit standard data to vehicle ECU
• Completely eliminate check engine light (CEL) and exhaust emission related fault codes
• Restore normal DPF (Diesel Particulate Filter) active regeneration function
• Guarantee vehicle exhaust emission compliance and pass annual inspection smoothly
• Solve vehicle problems such as power drop, jitter and increased fuel consumption caused by sensor failure
• 100% OEM standard size and interface, plug and play, easy and fast installation

WJIECO Core Product Advantages

• High-precision Measurement, Compliance with Global Emission Standards: Adopting advanced professional detection technology, the sensor features a wide and precise measurement range, with detection sensitivity 5-10 times higher than traditional differential pressure sensors. It captures tiny exhaust particulate changes accurately, with low concentration error and stable temperature compensation performance. Fully compliant with Euro 5 and Euro 6 emission regulations, it perfectly matches original vehicle DPF system parameters.
• Intelligent & OE-level Stable Performance: Adopting upgraded intelligent recognition program, the sensor is compatible with original vehicle ECU data perfectly. Verified by third-party professional testing institutions, it reaches OE-level detection accuracy and response speed. The optimized waterproof and dustproof structure enhances environmental adaptability, ensuring long-term stable operation in harsh working conditions.
• Premium Industrial Materials, Superb Durability: The sensor shell adopts high-temperature and corrosion-resistant special materials, with excellent waterproof, anti-aging and oil-proof performance. The internal control box uses high-strength glass fiber reinforced engineering plastic, featuring high tensile strength, low deformation and stable dimensional accuracy. Equipped with high-temperature resistant ceramic core chip, it maintains accurate detection results in complex and harsh environments.
• Effortless OEM Replacement Installation: Equipped with original matching connector and standard fixing thread. Installed at the downstream of diesel particulate filter, it can be fixed and installed quickly with a single nut. It is a standard direct replacement part for original faulty sensors, no modification or wiring change needed.
• Stable Signal Transmission, Fault Prevention: Built with high-quality ceramic sensing chip and upgraded multi-layer waterproof and dustproof seals. It effectively isolates moisture, dust and oil interference to prevent sensor failure. Stable and continuous signal transmission thoroughly solves common vehicle faults including engine jitter, unstable idle speed and persistent engine warning light.