Remanufactured JF015E CVT Automatic Transmission Assembly OE 31020-3CX0B For

This remanufactured JF015E CVT automatic transmission is a direct bolt-on replacement for Nissan 1.8L models built from 2012 to 2019, with OE reference part number 31020-3CX0B. Every unit undergoes full disassembly, ultrasonic deep cleaning and media blasting to eliminate metal debris and aged transmission fluid residue. Critical wearable components including CVT steel belt, friction plates, steel plates, all oil seals and gaskets are renewed strictly following OEM specifications. Solenoids and valve body pass independent electrical resistance and hydraulic flow testing. After reassembly, each gearbox completes static pressure holding leak test and full-cycle dynamic bench test to verify stepless shifting quality, pressure stability and torque converter lockup function, fixing common JF015E faults such as slipping, delayed engagement, shudder and belt wear failure. Please confirm VIN or original OE number before ordering, as JF015E has variant calibrations for different carlines.

We implement multi-stage strict QC for every reman JF015E unit. All disassembled hard components are measured with precision calipers to check wear tolerance; cracked, deformed or fatigue-damaged parts will be scrapped directly instead of reusing. The critical CVT belt assembly is fully renewed to prevent common belt failure. After full reassembly, the transmission passes static hydraulic pressure holding leak test to rule out internal and external seepage. Then full dynamic bench test simulates real road operating conditions, verifying stepless ratio shifting, torque converter lockup, line pressure stability and abnormal noise. Test records can be supplied upon customer request, and any unqualified unit will be fully reworked before delivery.

Different from ordinary second-hand used transmissions, our reman units adopt standardized factory rebuilding process rather than simple cleaning repair. We replace the full set of sealing components and brand-new CVT belt to prevent early oil leakage and belt slipping. Every unit is 100% bench tested, greatly reducing on-site failure risk for repair shops. We support free VIN verification service to confirm correct part variant and avoid wrong shipment. Stable spot inventory supports fast delivery, and we provide professional remote technical support for post-install calibration and troubleshooting.

Before installation, confirm the OE number and FWD variant match your original gearbox, and thoroughly flush or replace the CVT oil cooler to remove residual metal debris which may damage the rebuilt unit rapidly. Install all new supplied gaskets and seals included in the package. Use genuine Nissan NS-3 CVT fluid with the correct filling volume. After finishing installation, complete CVT adaptive learning reset with a professional diagnostic scanner. Skipping this calibration may lead to shudder, harsh shifting or persistent fault codes even if the transmission itself works normally.

Standard export packing adopts IPPC heat-treated fumigated wooden crate, meeting phytosanitary requirements for most importing countries. Red plastic protection caps are fitted on all oil ports and pipeline connectors to stop dust and impurity entering inside during transit. We can print customized shipping marks, customer company logo or VIN remarks on crate surface for free. Multiple trade terms are available, including EXW, FOB and CIF. We cooperate with stable freight forwarders to arrange sea or air shipment, and supply full set of commercial documents for customs clearance.

We are a professional automatic transmission remanufacturing factory with more than 20 years of experience, specializing in JATCO CVT transmissions including JF015E. We own complete disassembly, ultrasonic cleaning, assembling and CVT bench test production lines, and serve auto parts wholesalers and professional transmission repair workshops across global markets. We have strict SOP for reman process and independent QC team, can support small trial sample order and bulk full container order with tiered discount, neutral no-logo packing is available for resellers.

A: Our remanufactured JF015E transmission is built strictly to OE hydraulic calibration for stock vehicle configurations. If the customer’s vehicle has an aftermarket upgraded valve body with modified pressure curves and custom solenoid mapping, direct plug-and-play fit cannot be guaranteed. Custom valve bodies often alter line pressure, lockup timing and CVT ratio control logic, which may lead to persistent slipping, shudder or fault codes after installation. We strongly recommend customers revert to the original factory-spec valve body or share full modification details with our technical team in advance for compatibility evaluation. We also provide optional matching calibration guidance for modified setups to reduce on-site repair risks for overseas garages.

A: We adopt strict non-destructive testing for every recycled JF015E housing before reuse. First, visual and magnetic particle inspection detects tiny cracks on mounting bosses, oil galleries and differential bore surfaces. Then coordinate measuring checks housing deformation and bushing bore taper. Any crack in load-bearing areas, excessive bore ovality or warpage beyond our tolerance threshold will result in immediate scrapping, no welding or straightening allowed. Even micro-leaks on the mating surface will disqualify the housing. This rigid screening prevents hidden oil leakage and structural failure after long-distance shipment and customer installation, protecting your aftersales rate and market reputation.

A: We will never swap the steel belt supplier for JF015E without formal written notification and customer confirmation. Our core CVT components including steel belts follow fixed qualified supplier lists with consistent material hardness, surface coating and tension specifications. If supply chain disruption forces a candidate replacement, we complete bench durability tests first to verify equivalent service life and anti-shudder performance. We share test data, component part numbers and updated warranty terms with bulk buyers before any switch. For long-term framework clients, we prioritize reserving original-spec belt stock to keep their product supply stable and consistent.