1. Remanufacturing & Testing Process
- Complete disassembly of the entire gearbox
- Deep cleaning of all parts to remove oil sludge and impurities
- Strict inspection of shafts, clutch, housing, and valves
- Replacement of friction plates, seals, gaskets, bearings
- Reassembly per factory torque standard
- Hydraulic pressure test & leakage test
- Dynamic shifting test under simulation working conditions
- Final appearance & function inspection before packing
2. Packaging & Delivery
- Each gearbox packed with thick foam and sturdy export wooden case
- Shockproof, moisture-proof, anti-collision for long-distance transport
- In-stock items shipped within 1–5 working days
- Support door-to-door delivery worldwide
3. About Our Company
We are a professional manufacturer and supplier of automatic transmissions, gearboxes, and transmission parts. Our main products include AT, CVT, DCT complete assemblies, torque converters, valve bodies, solenoids, clutch kits, friction plates, overhaul kits, and other parts for global car models.
We provide stable quality, competitive prices, fast delivery, and professional technical support for auto parts wholesalers, repair factories, and overseas dealers. Long-term cooperation is warmly welcomed.
4. FAQ
Q1: Is this transmission a direct fit for my Changan car?
A1: Yes, it fits Changan UNI-V 1.5T and CS85 Coupe with DF733 series DCT gearbox. You can confirm your transmission model before order.
Q2: Is it brand new or remanufactured?
A2: It is professionally remanufactured, with all worn parts replaced and 100% tested.
Q3: What problems can this gearbox solve?
A3: It can fix shudder, slipping, harsh shifting, gear lag, abnormal noise, overheating, and power loss.
Q4: Do you offer wholesale price for repair shops?
A4: Yes, we provide exclusive wholesale prices for bulk buyers and repair shops. Please contact us for quotation.

