SINOTRUK HOWO TX YG1600821252 Heater Water Valve Assembly Truck Parts for Weichai Engine Heavy Truck Cabin Cooling System Factory Direct Supply Hot Sale
No.:
Vehicle Type: Sinotruk Truck Parts
Brand Name: SINOTRUK
Person in charge: William Du
Cel: 8619050562894
Whatsapp: 8619050562894
E-mail: sales22@chinatruck.cc
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Details
Product Overview
YG1600821252 Heater Water Valve Assembly is a coolant control component installed in heavy truck cabin heating systems.
It is commonly used in:
SINOTRUK HOWO TX
HOWO heavy truck Weichai engine platforms
HVAC coolant circulation systems
cabin heating control assemblies
Core functions include:
heater core coolant flow control
temperature response regulation
coolant bypass stabilization
leak prevention under thermal cycling
vibration-resistant sealing performance
Common failure symptoms include weak cabin heating, coolant seepage, delayed temperature adjustment, stuck valve opening, and unstable heater performance.
OEM Cross Reference
| OEM System | Part Number | Application |
|---|---|---|
| SINOTRUK HOWO TX | YG1600821252 | Heater Water Valve Assembly |
| HOWO HVAC system | YG-series | Cabin coolant control |
| Weichai cooling platform | Matching heater valve structure | Heavy truck heating circuit |
Technical Specification
| Parameter | Value |
|---|---|
| OEM Number | YG1600821252 |
| Product Name | Heater Water Valve Assembly |
| Application | Truck HVAC coolant system |
| Position | Cabin heater circulation line |
| Material | Aluminum alloy + reinforced polymer + sealing rubber |
| Medium | Engine coolant |
| Operating Function | Flow control / thermal regulation |
| Failure Mode | seal wear / internal blockage / valve sticking |
Fitment Application
| Brand | Model | Fitment |
|---|---|---|
| SINOTRUK HOWO | TX | Direct fit |
| SINOTRUK HOWO | T7H platform variants | System-based verification |
| SHACMAN | Weichai HVAC platform | Conditional match |
| FAW | Weichai coolant heater systems | Repair verification required |
Fitment Verification Rules
Verification should confirm:
VIN and production batch
heater hose diameter
valve inlet/outlet orientation
bracket mounting geometry
coolant control routing version
HVAC system generation
Incorrect heater valve installation may cause coolant restriction, poor heating output, or leakage at hose joints.
Common Failure Case
A common fleet issue occurs when cabin heating remains weak after thermostat replacement.
Root cause often includes:
internal heater valve blockage
partial valve sticking
coolant sediment buildup
damaged sealing ring
hose pressure imbalance
Replacing the heater water valve assembly restores normal coolant circulation and stabilizes cabin heating efficiency.
Wrong Part Risk Control
| Risk | Cause | Control Method |
|---|---|---|
| Wrong hose orientation | Similar YG variants | OEM verification |
| Leakage after install | seal mismatch | pressure inspection |
| Internal blockage | coolant contamination | pre-flow inspection |
| Valve sticking | poor batch quality | opening-cycle test |
| Shipping damage | connector crack | reinforced packaging |
Supplier Stability
Stable HVAC components directly reduce repeat maintenance and coolant system downtime.
Quality control includes:
batch pressure testing
valve opening cycle inspection
sealing integrity check
coolant flow passage inspection
OEM revision consistency tracking
lot traceability management
Related Truck Parts
Cooling & Heating System
| Part Name | OEM Number |
|---|---|
| Heater Water Valve Assembly | YG1600821252 |
| Thermostat Assembly | Weichai OEM |
| Water Pipe Connector | HOWO HVAC OEM |
| Heater Core Hose Set | SINOTRUK OEM |
Weichai Cooling System
| Part Name | OEM Number |
|---|---|
| Water Pump Assembly | Weichai OEM |
| Coolant Expansion Tank | HOWO OEM |
| Temperature Sensor | Weichai OEM |
| Radiator Hose Set | SINOTRUK OEM |
High-Failure Maintenance Parts
| Part Name | OEM Number |
|---|---|
| Cabin Heater Core | HOWO HVAC OEM |
| Hose Clamp Set | Truck cooling OEM |
| Sealing Ring Kit | YG system repair set |
| Coolant Return Valve | Weichai system OEM |
Contact
Sales Representative: William Du
Heavy Truck Aftermarket Fitment & Supply Chain Specialist
WhatsApp / WeChat: +86 19050562894
Email: Sales22@chinatruck.cc
Truck Brands: SINOTRUK HOWO / SHACMAN / FAW / Weichai Engine Platforms
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