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Brand: C.OEFT
OE numbers： 60629170
Compatible model: /
Number of teeth on the product: /
Product weight: 0.2085KG
Packaging size: 15X7.5X6 cm
Product packaging: Natural Packaging
Car Series:for GAC Trumpchi GA5
Car Type：Chinese
1.Scenario-Specific Valve Timing Adjustment
Addresses the GA5’s typical "low-speed frequent start-stop" usage (e.g., urban commuting):
·At idle (600-800rpm): Delays valve timing by 5-8° to reduce intake fluctuations, keeping idle speed variation within ±20rpm (vs. ±50rpm for universal parts), minimizing idle vibration.
·During low-speed rapid acceleration (1500-2500rpm): Advances timing by 10-12° to improve intake efficiency, compensating for the naturally aspirated engine’s power shortage (critical for uphill driving or overtaking).
2.Oil Pressure Adaptive Regulation for GA5’s Oil System
·The GA5’s engine oil pressure fluctuates significantly across 工况 (0.3MPa at idle, 1.0MPa at high speed). The solenoid features a built-in pressure-sensing valve core that automatically adjusts opening based on actual oil pressure:
·Reduces opening at low oil pressure (e.g., cold start) to prioritize oil supply to the camshaft phaser.
Increases opening at high pressure (e.g., high-speed driving) to prevent oil passage leakage.
Universal parts typically lack this adaptive function, often causing timing lag during the GA5’s cold starts.
Adaptability: 100% Alignment with GA5 Engine Parameters
Unlike universal parts that claim "cross-model compatibility", it is strictly engineered to match the GA5 engine’s cylinder head oil passage layout, ECU signal protocol (500Hz-1kHz transmission frequency), and camshaft phaser interface. No adapter or wiring modification is required, eliminating issues like timing delays or false fault codes caused by signal incompatibility (common with universal parts). It also differs from dedicated components for brands like BMW or Land Rover—being exclusively designed for the GA5, it avoids total incompatibility with the GA5’s engine system.
2.Material & Craftsmanship: Optimized for GA5’s Operating Conditions
Tailored to the "low-speed high-temperature, high-speed high-pressure" operating characteristics of the GA5’s 1.8L/2.0L engine:
The housing is made of high-temperature-resistant die-cast aluminum alloy (melting point ≥ 660℃).
Seals use fluororubber compatible with the GA5’s original 5W-30 engine oil, ensuring corrosion and aging resistance.
The valve core undergoes precision honing, with a fitting clearance of 0.005-0.01mm (more precise than the 0.01-0.02mm clearance of universal parts), meeting the GA5’s demand for refined oil flow control.
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