Structure and Material: Aluminum-plastic radiator (aluminum heat sink + engineering plastic upper and lower water chambers, vacuum brazing process)
1. Upper water chamber (plastic): Inlet, auxiliary water tank return water port; equipped with installation fixing ears
2. Lower water chamber (plastic): Outlet, drain plug, for discharging antifreeze
3. Heat sink body: Aluminum flat tube + corrugated heat dissipation strip, core thickness 55mm; resistant to vibration, suitable for heavy-load construction sites, and high-temperature environments
4. Surrounding fixed brackets / shock-absorbing rubber pads: The assembly comes with shock-absorbing rubber pads, buffering driving vibrations and preventing water tank cracking and leakage
Key physical parameters:
• Net weight: 28 - 30 kg
• Core body shape: approximately 985mm wide × 945mm high × 55mm thick
• Inlet diameter: 60mm; Outlet diameter: 60mm
• Working pressure: 1.0 bar; Upper limit of cooling system pressure: 1.2 bar
• Compatible engine: MC07 series diesel engine
The engine circulates coolant for heat dissipation, transferring engine heat to the incoming airflow and controlling the engine working water temperature at 80 - 95℃; preventing engine from overheating during heavy load climbing and in high-temperature environments.
Installation location: in front of the driver's cabin, behind the intercooler, and in front of the fan cooling module.
Part No: WG9525531461
Product: Radiator Assembly
Application: SINOTRUK HOWO E7G with MC07 engine
Material: Aluminum core + plastic tanks, vacuum brazed
Weight: 28‑30KGS
Notes: Not for T7H / T5G. Replace rubber mounting cushions together when install.
Q: Can I repair a leaking WG9525531461 instead of replacing whole assembly?
A:Not recommended. If plastic tank cracks or aluminum core tubes get punctured, repair welding is unreliable under heavy‑duty vibration. Whole‑unit replacement is the standard solution.
Q: What are common failure symptoms for this radiator?
A: Coolant leakage from plastic tank or core
‑ Engine overheating when climbing or under heavy load
‑ Coolant loss frequently
‑ Cooling fins damaged or blocked by dust/debris
Q: Can I interchange WG9525531461 with WG9525531441 / WG9925530106?
A: No. Though they look similar, water‑port positions and mounting lug dimensions are different. Direct substitution will cause fitting failure and coolant leakage.
Q: Why does engine still overheat after installing new radiator?
A: Check for blocked cooling fins, defective fan clutch, thermostat failure, air trapped inside cooling circuit or dirty intercooler. The radiator itself may not be defective.
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