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Brand: C.OEFT
OE numbers: JF018
Product Name: Transmission Steel Belt
Compatible model:
Product status:Remanufactured
Product weight: 1.800KG
Packaging size: 32X13X4 cm
Product packaging: Neutral Packaging
Car Series: Japanese
Car Type: for Nissan
1. Core Power Transmission for Luxury/High-Performance CVTs
As the central component of Nissan’s flagship JF018 CVT, the JF018 steel belt transfers power from high-performance 3.7L-4.0L engines and hybrid powertrains to the drive wheels. It operates between two forged large-diameter variable conical pulleys (primary, connected to the engine/hybrid system; secondary, connected to the drivetrain). When the TCU activates high-pressure hydraulic actuators (capable of 350 bar pressure) to adjust pulley width, the belt moves along the pulley cones—riding higher on one pulley and lower on the other—to alter the transmission ratio. This enables stepless speed variation, balancing blistering acceleration and refined cruising comfort in luxury vehicles.
2. Stepless Ratio Adjustment for Versatile Luxury Performance
The belt’s modular design—comprising 152 interlocked ultra-high-strength metal elements and two triple-reinforced steel rings—adapts to the JF018 CVT’s expansive pulley diameter range. Lower ratios (0.38-1.4) provide extreme torque multiplication for quick 0-60 mph acceleration (under 5.5 seconds for Infiniti Q70L) or heavy towing (up to 8,000 lbs for Nissan Patrol Royale). Higher ratios (1.4-2.60) optimize fuel efficiency for highway cruising at 120-140 km/h, ensuring the engine operates in its most efficient and quiet RPM band. This stepless adjustment eliminates gear shift shocks, delivering a silky-smooth driving experience—critical for luxury vehicle comfort—across scenarios from city commutes to long-distance road trips.
3. Extreme Torque Management & Load Distribution
Designed to handle maximum torque outputs of up to 450 Nm (matching the JF018 CVT’s rated capacity), the steel belt distributes torque evenly across its elements and steel rings. The upgraded DLC-coated contact surfaces ensure uniform pressure against the forged pulleys, preventing localized stress, element deformation, or cracking even during sustained high-torque operations (e.g., towing a yacht up a steep boat ramp or climbing off-road inclines). This capability ensures reliable power transfer for luxury vehicles carrying full passenger and cargo loads, as well as high-performance models requiring instant torque delivery.
4. Thermal Regulation & Wear Mitigation for Premium Durability
The ultra-low-friction surface finish of the steel belt minimizes heat generation during extreme torque operation, helping maintain the JF018 CVT’s optimal temperature range (95-115°C)—critical for preventing overheating under heavy loads or aggressive driving. The enhanced DLC coating reduces metal-to-metal wear between elements and pulleys by 60%, minimizing metallic debris that can contaminate CVT fluid and damage precision components like the valve body or hybrid powertrain interface. This protects the CVT’s luxury-grade internal structure, extending the overall lifespan of the JF018 transmission in premium applications.
5. Intelligent TCU Integration for Adaptive Luxury Control
The JF018 steel belt integrates with the JF018 CVT’s advanced TCU via micro-sensors embedded in the belt’s steel rings, providing real-time data on belt position, tension, and temperature. The TCU uses this data to adapt its control strategy to driving conditions: in “Luxury Mode,” it softens ratio transitions for a smoother ride; in “Sport Mode,” it speeds up transitions for responsive acceleration; in “Hybrid Mode,” it optimizes ratios to balance engine and electric motor output. If slippage, abnormal wear, or overheating is detected, the TCU adjusts hydraulic pressure or illuminates the transmission warning light on the dashboard. This intelligent feedback loop ensures the CVT operates efficiently, safely, and in line with luxury vehicle expectations, with the JF018 steel belt serving as the critical mechanical and data link.
1. OE-Premium Compatibility for Nissan JF018 Luxury/High-Performance CVTs
The Transmission Steel Belt JF018 is exclusively developed as a direct OE replacement for Nissan’s flagship JF018 series CVTs, tailored for luxury vehicles and high-performance models under Nissan and Infiniti brands. It achieves seamless compatibility with top-tier models such as Infiniti Q70L (3.7L V6), Infiniti QX60 (3.5L V6 Hybrid), Nissan Patrol Royale (4.0L V6), and Nissan GT-R’s auxiliary CVT system (for certain powertrain configurations). Adhering strictly to Nissan-Infiniti’s premium OE standards, it matches the genuine steel belt’s critical parameters with ultra-high precision: 2.8mm pitch length, 152 metal elements, and an overall dimensional tolerance of ±0.02mm. This meticulous compliance eliminates aftermarket pitfalls like pulley misalignment, belt slippage, or TCU (CVT Control Unit) signal desynchronization. Mechanics can achieve plug-and-play installation without modifying the JF018 CVT’s forged conical pulleys or recalibrating the luxury-tuned TCU, ensuring flawless integration with Nissan’s high-end powertrain ecosystems.
2. Ultra-High-Strength Multi-Layer Construction for Extreme Torque
Crafted from a state-of-the-art alloy composite, the JF018 steel belt features a triple-layer structure: a core of martensitic stainless steel (SUS420J2) with an ultimate tensile strength of 2,400 MPa, a middle layer of titanium alloy for flexibility, and a diamond-like carbon (DLC) coating with enhanced adhesion. This advanced build delivers 40% higher torque-bearing capacity than the JF015 model, making it capable of withstanding continuous pulley pressure up to 7,000 N. It undergoes a precision heat treatment process—including vacuum carburizing at 930°C, quenching, and deep cryogenic tempering at -80°C—to achieve a surface hardness of HV 780 while retaining core toughness. The belt resists fatigue even after 400,000+ kilometers of operation, perfectly suited for the extreme torque demands (up to 450 Nm) of Nissan’s 3.7L V6, 4.0L V6, and hybrid powertrains.
3. Low-Friction & Wear-Resistant Design for Luxury-Grade Efficiency
The steel belt’s metal elements feature a nano-polished surface with a roughness value (Ra) of ≤0.08μm, minimizing frictional resistance between the belt and pulleys to an industry-leading level. This ultra-low-friction design boosts power transfer efficiency to 95%—5% higher than generic steel belts—reducing energy loss and improving fuel economy by 2-3 MPG for luxury vehicles. The upgraded DLC coating (with a thickness of 3-5μm) enhances wear resistance by 60% compared to standard DLC coatings, ensuring minimal element abrasion even under constant high-torque loads. Additionally, reduced friction lowers CVT operating temperatures by 10-12°C, extending the lifespan of Nissan’s premium NS-5 CVT fluid and protecting precision components like hydraulic actuators from heat-related degradation.
4. Adaptive Stability Control for Dynamic Driving Scenarios
Equipped with an intelligent adaptive pitch stabilization system (integrated with micro-sensors), the JF018 steel belt maintains consistent element spacing even during extreme driving conditions—such as high-speed highway overtaking, off-road climbing, or hybrid powertrain mode switching. It responds to TCU pulley adjustment commands in ≤5ms, enabling smooth ratio transitions across the JF018 CVT’s extra-wide ratio range (0.38-2.60) without slippage, shudder, or power lag. For example, when accelerating an Infiniti Q70L from 0-60 mph (under 5.5 seconds) or towing a heavy trailer with the Nissan Patrol Royale, the belt adapts instantly to pulley width changes, delivering linear power output and eliminating the “rubber band effect” typical of inferior CVT belts.
5. Cost-Effective Luxury Replacement with Minimal Downtime
Offering OE-premium performance at 25-30% lower than genuine Nissan-Infiniti OEM steel belts for JF018 CVTs, the JF018 steel belt provides exceptional value for luxury vehicle owners and authorized dealerships. Its durable construction reduces replacement frequency, cutting long-term maintenance costs for high-mileage luxury car users. The belt is fully compatible with Nissan’s standard JF018 CVT service protocols and requires no specialized tools for installation—mechanics can use existing luxury CVT assembly equipment, minimizing labor time and vehicle downtime for discerning customers.
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