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Brand: C.OEFT
OE numbers: ASBG-XD.G4FL 1.5L-5
Product Name: Timing Chain Kit
Compatible model:/
Product status: New
Number of teeth on the product: /
Product weight:0.6523kg
Packaging size: 40*40*10 cm
Product packaging: Neutral Packaging
Car Series: Korean
Car Type: for Hyundai Korean
·Reducing Mechanical Loss, Lowering Fuel Consumption: The combination of low-friction chain and guide reduces the mechanical resistance of the timing system, increasing the power transmission efficiency of the G4FL engine by 6%-8%. At the same time, precise timing control optimizes intake and exhaust efficiency, enabling more complete fuel combustion. Tests show that it can reduce urban fuel consumption by 0.3-0.5 L/100km (e.g., the urban fuel consumption of the Hyundai Elantra 1.5L model decreases from 7.6 L/100km to 7.1 L/100km). Based on an annual driving distance of 15,000 km, this can save 45-75 liters of fuel per year, reducing vehicle usage costs.
·Stabilizing Low-Speed Torque, Enhancing Driving Experience: Targeting the G4FL engine’s working condition of "predominantly low-speed operation (1500-2500rpm) during daily commuting," the kit optimizes the intake charge coefficient through precise timing control, resulting in more abundant low-speed torque output. The power response is more sensitive during start-up and low-speed traffic following, avoiding the "sluggish acceleration" feeling and improving the convenience of daily driving.
2. Reducing Operating Noise, Improving Driving Quietness
·Noise-Reduction Design, Matching the Comfort Positioning of Korean Vehicles: The combination of low-friction guide and chain reduces metal collision noise, and the tensioner’s "damping buffer structure" can absorb chain vibration. This controls the operating noise of the timing system below 54 decibels (at idle), which is 28% lower than that of worn OE kits. Meanwhile, the guide’s "curved transition design" avoids "jamming noise" during chain operation, improving in-vehicle quietness—especially suitable for family travel scenarios.
·Engine-Specific Parameter Calibration: Strictly developed based on the timing system structure of Hyundai’s G4FL 1.5L engine (maximum power: 84kW, peak torque: 143.8N·m), with core specifications 100% matching Hyundai’s OE standards:
The timing chain adopts a 118-link design with an 8mm pitch (an exclusive transmission specification for the G4FL engine), ensuring no deviation in the 1:2 transmission ratio between the crankshaft and camshaft. This avoids issues like "excessive meshing clearance between the chain and CVVT (Continuous Variable Valve Timing) system" common in universal kits, fundamentally resolving engine faults such as "unstable idling" and "accelerator lag";
The hydraulic tensioner’s oil pressure adjustment range is set to 6-9psi, fully compatible with the low-pressure oil circuit pressure of the G4FL engine. It not only prevents "chain slack and tooth skipping due to insufficient tension" but also avoids "accelerated chain wear caused by excessive tension";
The guide’s mounting holes and sprocket tooth profile (involute design with a 20° pressure angle) perfectly match the dimensions of the G4FL engine block and camshaft journal, requiring no additional grinding or modification. It can directly replace OE parts during installation.
Its compatibility covers multiple Hyundai G4FL models on the same platform, reducing inventory pressure for repair shops and preventing secondary maintenance for owners due to "incorrect part matching."
·Full Component Synergy, No Wear Deviation Risk: Unlike purchasing individual parts separately (which may involve mismatched material hardness and inconsistent wear levels between new and old components), all parts in this kit are produced and calibrated in the same batch. The hardness of the chain bushing (Rockwell hardness HRC 57-59), wear resistance of the guide surface, and damping coefficient of the tensioner piston are precisely matched, avoiding premature failure of the timing system caused by "local excessive wear." Especially for the G4FL engine’s working conditions of "frequent start-stops and low-speed traffic following during daily commuting," it can reduce abnormal friction between the chain and sprockets, extending the overall service life.
·Adapted to Compact Engine Bays of Korean Vehicles, Efficient Installation: Considering the compact engine bay layout of Hyundai models, the guide in the kit features a "lightweight curved structure," and the tensioner is optimized to the minimum size. It can avoid surrounding pipelines, sensors, and engine brackets, requiring no disassembly of additional accessories for installation. Professional technicians can complete the replacement in only 2-2.5 hours, which is 35% more efficient than non-specialized kits, reducing maintenance labor costs.
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