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Brand: C.OEFT
OE numbers: 27000-RJ2-070
Product Name: Transmission Valve Body Assembly
Compatible model:
Product status: Remanufactured
Product weight:5.000KG
Packaging size: 63X41X36cm
Product packaging: Neutral Packaging
Car Series: Japanese
Car Type: for Honda Accord Honda Odyssey and Honda Jade
As a key control component of the automatic transmission in specific Honda models (such as some Civic, CR-V variants), the 27000-RJ2-070 valve body achieves four core functions through precise hydraulic control and electronic coordination, ensuring efficient operation of the transmission system:
1. Honda-Specific Hydraulic Circuit Control
Tailored to the power output characteristics of Honda's i-VTEC engine, the valve body features a dedicated internal oil circuit layout that precisely controls the distribution of hydraulic oil between the clutch and planetary gear set. Its built-in precision valve core (with a diameter tolerance of ≤0.005mm) can dynamically adjust the oil circuit pressure based on engine speed and vehicle speed signals. This ensures smooth power transmission at low speeds and rapid shift response at high speeds, matching the torque requirements of common Honda powertrains such as 1.5T/2.0L.
2. Intelligent Shift Logic Execution
Deeply compatible with Honda's Transmission Control Unit (TCU), it receives data including accelerator pedal position, brake signals, and driving modes (Eco/Sport). By quickly switching oil circuit channels via the shift valve group, it enables automatic transmission gear changes. Optimized for urban congested road conditions, its low-speed shift logic reduces jerking during 1-2 and 2-3 gear shifts, with shift impact force controlled within ≤50N to enhance driving comfort.
3. Dynamic Oil Pressure Adaptive Regulation
Equipped with a dual-control structure consisting of a main pressure regulator valve and an auxiliary pressure regulator valve, it dynamically adjusts system oil pressure according to different working conditions: During acceleration from a start, oil pressure is increased to 1.8-2.2MPa to enhance clutch engagement rigidity and prevent power loss; during high-speed cruising, oil pressure is reduced to 1.2-1.5MPa to lower hydraulic system energy consumption. When combined with the low-viscosity ATF oil in Honda transmissions, it reduces power transmission losses and helps improve vehicle fuel economy by approximately 3%-5%.
1. Strong Original Equipment (OE) Compatibility and High Installation Adaptability
As an OE-spec valve body for Honda (part number 27000-RJ2-070), it fully matches the transmission housing interface and wiring harness connector specifications of specific Honda model years/variants, eliminating the need for additional modifications to installation dimensions or circuit parameters. After installation, it can directly communicate with the original vehicle's TCU without requiring re-computer programming, significantly reducing maintenance and replacement labor hours. Applicable models include mainstream Honda vehicles such as the Civic (2016-2021) and CR-V (2017-2020).
2. Precision Manufacturing Process and Outstanding Reliability
Adopting an aluminum alloy die-cast housing (material: ADC12, tensile strength ≥220MPa) that meets Honda's OE standards, its surface undergoes anodization treatment, increasing corrosion resistance by 40% and effectively resisting oxidative erosion caused by long-term immersion in transmission fluid. Internal valve cores and valve sleeves are made of high-strength alloy steel, treated with nitriding to achieve a surface hardness of over HV800, ensuring excellent wear resistance. Under normal usage conditions, the valve body has a service life of up to 150,000 kilometers or more.
3. Controllable Maintenance Costs and Significant Cost-Effectiveness
Compared to replacing the entire transmission assembly, replacing only the 27000-RJ2-070 valve body reduces maintenance costs by 60%-70%. Additionally, the valve body adopts a modular design, allowing core components (such as the main pressure regulator valve and shift solenoid valve) to be disassembled and inspected individually. If only partial component failure occurs, targeted replacement and maintenance can be performed, further reducing repair expenses. Moreover, the stability of OE parts lowers the probability of subsequent secondary failures, minimizing repeated maintenance costs.
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