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Brand: C.OEFT
OE numbers: 121000039AA
Product Name: Transmission Assembly
Compatible model:
Product status:Remanufactured
Product weight: 120.000KG
Packaging size: 100X100X100 cm
Product packaging: Neutral Packaging
Car Series: Chinese
Car Type: for All-New Generation Chery Tiggo 7 (T1E)
1.Transmission Hydraulic/Electronic Control
As a core control component, it regulates the transmission's key operations: for hydraulic systems, it modulates main line pressure (0.6-3.2MPa) and controls clutch/brake band engagement via precision valves; for electronic systems, it receives signals from the transmission control unit (TCU) (e.g., engine speed, vehicle load) and activates solenoids to adjust gear shift timing, ensuring efficient power transfer between the engine and wheels.
2.Gear Shift Coordination & Optimization
Works in tandem with the TCU to optimize gear shift logic. It adjusts clutch engagement speed and hydraulic pressure (or solenoid actuation intensity) based on driving conditions—e.g., increasing pressure during heavy acceleration to prevent clutch slippage, and reducing pressure during light loads to improve shift smoothness. This coordination minimizes power interruption during gear changes and enhances fuel efficiency.
3.Real-Time Signal Processing & Feedback
Equipped with integrated sensors (e.g., pressure, temperature) and a communication interface, it collects real-time operating data of the transmission and transmits it to the TCU. For electronic versions, it processes sensor signals at a rate of 80Hz, providing accurate feedback to the TCU for dynamic adjustment of control strategies, ensuring adaptability to varying driving scenarios (e.g., urban stop-and-go, highway cruising).
4.Fault Detection & Diagnostic Reporting
Continuously monitors its own operating status and the transmission's critical parameters. When anomalies are detected (e.g., valve blockage, sensor failure, solenoid malfunction), it triggers a fault signal to the TCU, which logs SAE-compliant fault codes and activates a dashboard warning light. This facilitates rapid troubleshooting and reduces diagnostic time for technicians.
5.Pressure/Flow Regulation for System Stability
For hydraulic control versions, it precisely regulates the flow and pressure of transmission fluid to key components (clutches, planetary gearsets), preventing fluid starvation or overpressure. This ensures consistent lubrication and cooling of internal transmission parts, reducing wear and extending the transmission's overall service life.
1.Model-Specific Compatibility & Seamless Integration
Tailored to match the transmission systems of targeted vehicle models, 121000039AA strictly complies with original equipment (OE) standards for interface dimensions, electrical signal protocols (e.g., CAN bus), and hydraulic pressure parameters. It eliminates common compatibility issues with universal components—such as mismatched connectors, signal latency, or hydraulic leakage—enabling plug-and-play installation without the need for modifications, thus reducing installation time and potential malfunctions.
2.Superior Durability for Long-Term Reliability
Constructed with high-grade materials: the housing adopts die-cast aluminum alloy with anti-corrosion electrophoretic coating, resistant to engine compartment temperatures up to 160°C and vibration up to 35g. Internal valve cores (if applicable) feature wear-resistant chrome plating, and electronic components use automotive-grade chips with wide temperature adaptability (-40°C to 125°C). The mean time between failures (MTBF) exceeds 12,000 hours, outperforming aftermarket alternatives by 40%.
3.High-Precision Control & Stable Performance
Manufactured via ultra-precision CNC machining, with key mating surfaces controlled within a tolerance of ±0.008mm. For hydraulic control versions, it maintains stable pressure output (fluctuation ≤±2%) with a response time of ≤40ms to transmission signals; for electronic control versions, it uses a high-speed microcontroller to process sensor data in real time, ensuring consistent gear shift timing and minimizing shift shock (≤0.12g) for a smoother driving experience.
4.Cost-Effective OE-Grade Replacement
Priced 25-30% lower than genuine OE parts while meeting equivalent performance and quality standards. Its robust design reduces the frequency of replacements and associated labor costs, making it an economical choice for repair shops, fleet operators, and individual vehicle owners.
5.Comprehensive Protection Mechanisms
Integrates multi-layer protection features: over-voltage (16V max) and reverse-polarity protection for electrical circuits, thermal shutdown (170°C threshold) to prevent overheating, and hydraulic pressure relief valves (for hydraulic versions) to avoid overpressure damage. These mechanisms safeguard both the component and the entire transmission system from electrical or mechanical anomalies.
6.Rigorous Quality Validation
Each unit undergoes strict quality testing, including 5,000+ cycles of durability testing, high-pressure leakage testing (3.0MPa static pressure for 60 minutes), and electromagnetic compatibility (EMC) testing (compliant with ISO 11452). All indicators meet international automotive component standards, ensuring consistent performance in real-world applications.
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