Remanufactured C725 Transmission TCU Valve Body 1310003ASVS020 for GAC Trumpchi GS4 2014-2020
- Full Disassembly & Inspection: The TCU valve body is completely disassembled, and all components are inspected for wear, damage, and defects.
- Deep Cleaning: All components are ultrasonically cleaned to remove debris, sludge, and contaminants.
- Component Replacement: Worn solenoids, valves, seals, and electronic components are replaced with high-quality replacement parts.
- Assembly & Function Testing: The unit is reassembled and tested under simulated operating conditions to verify shifts, pressure control, and TCU performance.
- Final Quality Control: Visual and functional inspection before packaging to ensure defect-free delivery.
- Professional Installation Required: Requires certified technicians for removal and installation.
- TCU Calibration Required: After installation, the vehicle’s TCU must be programmed or adapted using a GAC Trumpchi diagnostic tool.
- Fluid Recommendation: Always use the specified GAC ATF fluid to ensure proper lubrication and valve body performance.
- Packaging: The TCU valve body assembly is carefully secured in shockproof foam and a sturdy export carton to prevent damage during transit. Custom packaging is available on request.
- Shipping: We support worldwide shipping via multiple logistics providers, offering door-to-door delivery services.
- Lead Time: In-stock units are shipped within 1-5 working days after payment confirmation. Bulk orders will be processed according to production schedules.
We are a professional manufacturer & trade integrated company specializing in automatic transmission parts for GAC Trumpchi, Changan, Haval, and other Chinese brands. Our main products include remanufactured TCU valve bodies, solenoids, clutches, and overhaul kits for AT/CVT/DCT transmissions.
We provide:
- Professional technical support and fitment consultation
- OEM/ODM customization services
- Flexible payment terms and competitive pricing
- Long-term cooperation support for auto parts wholesalers, repair shops, and distributors worldwide
Q1: Will this TCU valve body fit my GAC Trumpchi GS4 transmission?
A1: This unit is designed for GAC Trumpchi GS4 (2014-2020) models with the C725 automatic transmission. Please confirm your vehicle model, year, and transmission type before ordering.
Q2: Is this a new or remanufactured part?
A2: This is a professionally remanufactured TCU valve body assembly, rebuilt with new components and fully tested to OEM specifications.
Q3: What issues can this unit resolve?
A3: It fixes common transmission problems like harsh shifts, shudder, delayed engagement, TCU faults, pressure control issues, and related error codes caused by a faulty original unit.
Q4: Do you offer bulk pricing for repair shops?
A4: Yes, we offer discounted pricing for bulk orders and long-term cooperative partners such as transmission repair shops and auto parts wholesalers. Please contact us for a custom quote.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.


