For commercial vehicle fleet operators, trucking companies, and repair workshops worldwide, uninterrupted vehicle operation, genuine-quality components, and professional transmission & brake system support are critical to minimizing downtime and controlling costs. Jinan Julin Automobile Sales and Service Co., Ltd. is a trusted, China-based expert specializing in commercial vehicle transmission systems and brake systems. We focus on two core businesses: high-quality transmission parts sales and professional gearbox repair & rebuilding services, delivering complete driveline solutions for trucks, buses, and heavy-duty commercial vehicles.
Our Core Product Lines: Genuine & Full-Range Components
We maintain a comprehensive inventory of OEM-quality replacement parts for all major commercial vehicle transmission and brake systems, including globally recognized brands and heavy-duty Chinese models:
1. ZF (ZF Aftermarket) Transmission Parts
ZF gearboxes are widely used in heavy-duty trucks, coaches, and specialty vehicles. We supply a full range of genuine ZF components:
- Gear sets, synchronizers, bearings, and shafts
- Transmission repair kits, gaskets, and seals
- Control units, solenoid valves, and hydraulic components
- Suitable for ZF 16S, 12TX, Ecosplit, and other heavy-duty series
2. Sachs Clutch Systems
As a leading brand under ZF Aftermarket, Sachs sets the global standard for commercial vehicle clutches. Our inventory includes:
- Clutch pressure plates, clutch discs, and release bearings
- Dual-mass flywheels (DMF) and clutch actuators
- Sachs ConAct pneumatic clutch control systems
- Complete clutch repair kits for long-haul trucks and buses
3. Wabco Brake & Air Processing Parts
Wabco is the global leader in commercial vehicle brake and pneumatic systems. We offer:
- Wabco air dryers (dryer cartridges & complete units)
- Brake valves: relay valves, ABS valves, solenoid valves, and foot brake valves
- Air processing units, brake chambers, and pneumatic control components
- OE-quality parts for reliable braking and safety
4. Sinotruk (CNHTC) Transmission Parts
We specialize in genuine and high-quality replacement parts for Sinotruk Howo, Steyr, and Sitrak transmissions:
- Gearbox gears, shafts, synchronizers, and shift forks
- HW series transmission repair kits and bearings
- Complete gearbox assemblies and sub-assemblies
5. Voith Retarder Parts
For hydraulic retarder systems (Voith VR, VT, etc.), we supply:
- Retarder control valves, oil pumps, and seals
- Wear plates, friction components, and repair kits
- Critical parts to maintain auxiliary braking performance and safety
Professional Commercial Vehicle Gearbox Repair & Rebuild Services
Beyond parts supply, Jinan Julin provides factory-level transmission repair and rebuilding for all makes of commercial vehicle gearboxes:
- Expert Diagnosis: Advanced testing equipment to identify gear, bearing, synchronizer, hydraulic, or electronic faults.
- Complete Overhaul: Disassembly, cleaning, inspection, and replacement of worn components with OEM-quality parts.
- Transmission Rebuild: Restore to OEM performance standards with rigorous bench testing and quality assurance.
- On-Site & Global Support: Technical consultation, repair guidance, and fast worldwide shipping of repaired units.
Our technicians specialize in ZF, Eaton, Fuller, Allison, Sinotruk, and other heavy-duty transmissions, ensuring minimal downtime and long-lasting reliability.
Why Choose Jinan Julin as Your Partner?
- Genuine & OEM-Quality PartsWe source directly from authorized manufacturers and reputable suppliers, guaranteeing OE-matching performance, durability, and precise fit for commercial vehicle drivetrains.
- Complete Product RangeOne-stop supply for transmission parts, clutch systems, brake valves, air dryers, retarder components, and gearbox repair services—covering all your driveline needs.
- Professional Technical ExpertiseDecades of focus on commercial vehicle transmission & brake systems. Our team delivers accurate part identification, professional repair solutions, and reliable technical support.
- Global Supply & Fast DeliveryStrategically located in Jinan, China—we offer efficient logistics, flexible order quantities, and worldwide shipping to support fleet operators and workshops globally.
- Cost-Effective SolutionsCompetitive pricing, dependable quality, and long service life reduce total cost of ownership (TCO) and avoid frequent failures or downtime.
Conclusion
Jinan Julin Automobile Sales and Service Co., Ltd. is your professional and reliable partner for commercial vehicle transmission and brake systems. Whether you need ZF, Sachs, Wabco, Sinotruk, or Voith parts, or expert gearbox repair and rebuilding, we deliver genuine quality, full-range supply, and professional service to keep your commercial vehicles running safely and efficiently.
Contact us today for inquiries, quotations, or technical support—we look forward to building long-term partnerships with global customers.
