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Brand: C.OEFT
OE numbers: 24370-03000
Product Name: Timing Chain Kit
Compatible model: 24350-03001
Product status: New
Number of teeth on the product:
Product weight:3.790kg
Packaging size: 40X40X10 cm
Product packaging: Neutral Packaging
Car Series: Korean
Car Type: for Hyundai
As the "transmission core" of the timing system for Hyundai I10/I20 engines, the components of the kit work together to maintain the accuracy of mechanical timing:
·Timing Chain (24350-03001): Connects the crankshaft and camshaft, strictly maintaining a 1:2 rotation ratio (a core ratio for four-stroke engines). It ensures that the intake and exhaust valves open and close at the precise moments corresponding to piston movement (intake → compression → power → exhaust strokes). For the low-speed operating conditions commonly used by family cars (e.g., urban commuting), precise timing can prevent problems such as unstable idling and weak acceleration, while avoiding valve-piston collision caused by "timing misalignment" (the maintenance cost of such failures is far higher than the price of the kit itself).
·Hydraulic Tensioner: Compensates for the slack of the chain caused by long-term use in real time, and pushes the guide to fit tightly against the chain through engine oil pressure, ensuring the chain is always in the optimal tension state. This avoids "chain tooth skipping" (which leads to reduced engine power and surging fuel consumption) or "chain abnormal noise" (which affects the driving quietness of family cars).
·Guides & Dampers (24370-03000, etc.): The guides fix the running path of the chain to prevent poor meshing caused by lateral deviation of the chain; the dampers absorb chain vibration, avoiding rigid collision between the chain, timing cover, and sprockets, and further reducing operating noise, which meets the comfort needs of family cars.
2. Adapting to Family Car Operating Conditions, Optimizing Fuel Efficiency and Smoothness
·Low-Friction Design to Reduce Fuel Consumption: The low-friction cooperation between the chain and guides reduces the mechanical resistance of the timing system, helping the G4LA engine improve fuel efficiency. Tests show that under urban commuting conditions, fuel consumption can be reduced by 2%-4% (the 100km fuel consumption of I10/I20 is approximately 5.0-5.5L, which can be saved by 0.1-0.2L/100km after optimization). For family cars that travel 10,000-15,000 kilometers annually, this can save about 100-200 yuan in fuel costs each year.
·Stable Transmission to Improve Smoothness: Precise timing transmission ensures stable engine intake and exhaust efficiency, avoiding power fluctuations (e.g., "jerking" during acceleration) caused by timing errors. This is particularly suitable for the smooth driving needs of family cars when carrying people and cargo, enhancing the riding experience.
·Dual Exclusivity for Vehicle & Engine: Strictly developed based on the timing system structure of Hyundai’s G4LA 1.2L engine (the main power unit for I10/I20). The core part numbers fully match original factory specifications—24350-03001 is the timing chain (standard 112-link chain for G4LA engines), 24370-03000 is the timing guide, and together with 7 other components in the kit (including hydraulic tensioner, upper/lower dampers, small sprockets, etc.), it covers all maintenance needs of the timing system, eliminating the need for additional procurement of scattered parts.
·9PCS/SET Integrated Design for Error-Free Installation: Adopting a "full-component set supply" model, the dimensions and mounting holes of all components (chain, tensioner, guides, dampers, fixing bolts, etc.) are precisely aligned with the engine block and timing cover of the I10/I20. Maintenance technicians do not need to repeatedly verify component compatibility, increasing installation efficiency by 50% compared to purchasing scattered parts separately, and avoiding assembly issues such as "tensioner-chain mismatch" and "excessive guide clearance".
·Original Factory Parameter Calibration: Key components (e.g., chain pitch, tensioner oil pressure stroke) are manufactured in accordance with Hyundai’s original technical standards and validated through G4LA engine bench tests. They can directly replace old original parts, ensuring consistent performance with the engine’s original timing system and preventing problems such as unstable idling and increased fuel consumption caused by component discrepancies.
2. Durable Materials Exclusive to Family Cars, Balancing Cost and Reliability
·Highly Adaptive Timing Chain: Made of high-quality alloy carbon steel (50Mn2V), processed through "cold drawing forming → carburizing and quenching → surface polishing". Its tensile strength reaches 1,200 MPa, which is sufficient to cope with the low-speed, long-cycle household operating conditions of the G4LA engine (daily commuting mostly at 2,000-3,000 rpm), preventing chain stretching or tooth wear, with a service life of over 180,000 kilometers.
·Mute Hydraulic Tensioner: Adopts a "spring + hydraulic" dual-buffer structure, optimized for family cars’ demand for quietness—automatically reducing tension during low-speed idling to minimize friction noise between the chain and guides; increasing tension during high-speed or sudden acceleration to prevent tooth skipping. The tensioner housing is made of heat-resistant PA66+GF30 engineering plastic (containing 30% glass fiber), which can withstand temperatures of 180-200℃ in the engine compartment without aging or cracking during long-term use. Moreover, its cost is lower than that of metal tensioners for high-performance models, better aligning with the cost-effectiveness needs of family cars.
·Low-Friction Wear-Resistant Guides: The guide surface is coated with polytetrafluoroethylene (PTFE), reducing the friction coefficient to 0.09 (30% lower than ordinary plastic guides). This not only reduces operating noise (timing system noise ≤ 58 dB at idle) but also extends the guide service life to 150,000 kilometers, reducing the frequency of later maintenance.
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