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Brand: C.OEFT
OE numbers: 1500000CDB121R
Product Name: Clutch Actuator Assy
Compatible model:1500000CDB121R
Product status:Remanufactured
Product weight: 120.000KG
Packaging size:100X100X100 cm
Product packaging: Neutral Packaging
Car Series: Chinese
Car Type: for Haval F7x
1. Multi-Powertrain Clutch Engagement Control
As a core DCT component for diverse mid-range Great Wall models, the 1500000CDB121R adapts clutch control logic to powertrain type:
Gasoline Mode (Haval F7/F7x): Uses 14Nm torque output with gradual pressure buildup for smooth urban and highway shifting.
Diesel Mode (Wingle 8/Poer): Activates 16Nm torque output with firm pressure ramp-up to handle diesel engine’s high low-end torque and heavy-load hauling.
When the TCU initiates a shift, the motor drives the worm gear/rack to actuate the hydraulic piston, ensuring seamless clutch engagement/disengagement across powertrains.
2. Dual-Output Position Feedback & TCU Coordination
The dual-output Hall effect sensor transmits a 0.5-4.5V analog signal and a digital pulse signal to the TCU, providing redundant position feedback with 0.1mm precision. This allows the TCU to adjust motor output dynamically, maintaining optimal clutch stroke (46mm/48mm) for different DCTs. The redundant feedback prevents control failures, ensuring consistent shift quality even in harsh environments.
3. Adaptive Hydraulic Pressure Regulation
The dual pressure sensors monitor inlet and clutch cylinder pressure in real time, enabling the solenoid valve to adjust pressure (3-10 bar) based on powertrain and load:
Light Load (Gasoline/Diesel): 3-5 bar for smooth engagement.
Heavy Load (Diesel Hauling): 8-10 bar for firm lockup, preventing slippage under 2-ton payloads.
Diesel Cold Start: 5-7 bar to compensate for thickened fluid, ensuring reliable clutch operation in low temperatures.
4. Versatile TCU Communication & Adaptive Learning
The actuator supports CAN bus communication via its switchable connector, transmitting motor current, pressure, position, and powertrain status to the TCU. The TCU implements adaptive learning tailored to powertrain and driver habits:
Gasoline Models: Optimizes shift timing for fuel efficiency and comfort.
Diesel Models: Adjusts engagement force to reduce vibration and handle heavy loads.
Driver Habits: Learns aggressive/relaxed driving styles, tuning response time accordingly.
5. Enhanced Fault Detection & Redundant Protection
Equipped with dual fault detection systems, the actuator identifies abnormalities (motor overcurrent, sensor failure, solenoid blockage) and transmits redundant fault codes to the TCU (e.g., P0900/P0901 for circuit malfunctions). The TCU activates powertrain-specific protective modes:
Gasoline Models: Limits to 4th gear for urban mobility.
Diesel Models: Maintains 3rd gear with increased pressure to support hauling until repairs.
A backup pressure-based control mode activates if the sensor fails, preventing complete transmission shutdown.
6. Synchronization with Multi-Powertrain DCT Systems
The actuator coordinates with 7-speed DCTs across gasoline/diesel models, synchronizing clutch operation with shift forks and powertrain torque. For diesel-powered Wingle 8/Poer, it aligns clutch engagement with diesel engine’s torque curve to reduce vibration; for Haval F7x’s sporty ，it speeds up shift synchronization for dynamic driving. This ensures smooth, efficient gear changes across all models and driving scenarios.
1. Expanded OE-Precision Compatibility for Mid-Range Great Wall Lineups
Building on the 1500000CDB120R’s model-specific ，the Clutch Actuator Assy 1500000CDB121R offers broader compatibility across mid-range Great Wall Group vehicles, covering Haval F7 (2019-2023), Haval F7x (2019-2022), Wingle 8 (2020-2024), and Great Wall Poer (2021-2024) — all equipped with 7-speed wet dual-clutch transmissions (DCT) paired with 1.5T, 2.0T turbocharged engines, and 2.0T diesel engines. Adhering to Great Wall’s updated OE standards, it features a versatile 3-pin/4-pin switchable electrical connector, adjustable mounting hole adapters (±0.05mm tolerance), dual stroke settings (46mm/48mm), and a variable torque output (14Nm/16Nm) to match different DCT configurations. This expanded compatibility eliminates the need for multiple SKUs, making it a preferred choice for repair shops servicing diverse mid-range Great Wall models.
2. Enhanced Refabrication with Premium OE-Matching Components
Surpassing the 1500000CDB120R’s refabrication process, the 1500000CDB121R undergoes a 9-step advanced renovation: full disassembly with component lifecycle assessment, 3D coordinate measuring machine (CMM) inspection (accuracy ±0.01mm), comprehensive performance testing (motor efficiency, sensor linearity, solenoid flow rate), replacement with premium OE-matching parts (high-torque brushed DC motor, O-rings, dual-output Hall effect sensors), ultrasonic cleaning with anti-corrosion treatment, reassembly with torque-controlled stainless steel fasteners, multi-parameter calibration (stroke, pressure, torque, response time), 4-hour cyclic load testing (simulating gasoline/diesel powertrain demands), and final quality validation by Great Wall-certified technicians. All replacement components meet or exceed Great Wall’s original standards, ensuring 15% higher reliability than the 1500000CDB120R.
3. Robust Construction for Multi-Powertrain Demands
Drive System: Upgraded to a 12V, 350W high-torque brushed DC motor with oxygen-free copper windings and a gold-plated commutator, delivering variable torque output (14Nm for gasoline, 16Nm for diesel) — 14% higher than the 1500000CDB120R. The motor’s aluminum housing features integrated heat sinks, improving heat dissipation by 20% during prolonged diesel engine operation.
Transmission Mechanism: Adopts a hardened alloy steel worm gear (HRC 58-60) and carbon fiber-reinforced POM rack, increasing wear resistance by 40% compared to the 1500000CDB120R’s glass-fiber structure. The gear set is lubricated with aerospace-grade lithium complex grease, maintaining stability in the -40°C to 160°C temperature range.
Hydraulic Control: Integrates a high-precision solenoid valve (response time ≤50ms) and dual pressure sensors (accuracy ±0.15 bar) to handle dynamic torque fluctuations from gasoline, diesel, and high-load hauling scenarios, ensuring stable clutch operation across powertrains.
4. Superior Shift Performance & Driving Comfort
Equipped with a dual-output Hall effect sensor (resolution 0.1mm) for real-time position feedback, the actuator achieves a response time of ≤180ms — 10% faster than the 1500000CDB120R. The enhanced hydraulic damping system with adjustable orifices reduces shift shock by 35%, while a noise-reducing gear mesh design minimizes operating noise to ≤55dB — 8% quieter than its predecessor. This optimization delivers smoother shifts, especially beneficial for diesel-powered models prone to vibration.
5. Cost-Effective with Versatile Maintenance
Priced 30-35% lower than new OEM actuators for the expanded model range, the 1500000CDB121R offers exceptional value. Its modular universal design allows independent replacement of powertrain-specific components (motor, sensor, solenoid) without full disassembly, cutting maintenance labor time by 35% compared to the 1500000CDB120R. It is compatible with Great Wall’s standard DCT fluid (LV 75W) and diesel-specific DCT fluid (LV 75W-90), eliminating specialized fluid inventory, and comes with an 18-month/30,000-kilometer warranty — 20% longer than the 1500000CDB120R.
6. All-Weather & Multi-Environment Adaptability
Engineered for diverse operating conditions, the actuator operates reliably in a temperature range of -40°C to 160°C, adapting to cold northern winters and high-temperature diesel engine operation. Its electrical connector and housing achieve IP67+ protection rating, resisting dust, high-pressure water splashes, and diesel fuel corrosion — suitable for urban, rural, and construction site environments. Internal components feature a multi-layer anti-corrosion coating, ensuring stability in coastal high-humidity or inland dusty regions.
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