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E: 15829336298@139.com
E: 15829336298@139.com
Room 1212-G107, Unit 2, Building 1, Block A, Shenglong Plaza, No. 80 Weiyang Road, Weiyang District, Xi'an City, Shaanxi Province
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WB100000536
Yutong Bus Parts
| Attribute | Specification |
|---|---|
| Part Number (P/N) | WB100000536 |
| Brand | Wanbon (WB) |
| Product Name | Engine Thermostat / Wax Pellet Thermostat |
| Application Vehicle | Yutong (YUTONG) Coaches and City Buses |
| Engine Compatibility | Diesel Engines used in Yutong Bus Platforms (e.g., Cummins ISBe, Weichai, Yuchai variants) |
| Function | Regulates engine operating temperature by controlling coolant circulation |
| Thermostat Type | Fully automatic wax-element type with jumbo valve design |
| Mounting Style | In-line housing with gasket seal; fits standard thermostat housing on engine block or outlet pipe |
| Sealing Method | Integrated rubber O-ring and flat gasket |
| Parameter | Detail |
|---|---|
| Opening Start Temperature | 82°C ± 2°C (typical) – begins to open at ~82°C |
| Fully Open Temperature | 97°C – 102°C – reaches maximum lift (~8–10 mm stroke) |
| Valve Diameter | Approx. 45–50 mm (jumbo size for high-flow applications) |
| Operation Principle | Uses wax pellet expansion inside copper cup: as temperature rises, wax expands and pushes piston to open main valve |
| Pressure Rating | Compatible with pressurized cooling systems up to 1.1 bar (with cap) |
| Durability Life | Rated for over 250,000 km or 5 years under normal bus operation |
| Temperature Sensitivity | Fast response to thermal changes; prevents engine "hunting" (oscillating temps) |
| Materials | - Valve: Brass alloy – Housing: High-temp resistant engineering plastic or stamped steel – Seal: NBR (Nitrile) O-ring |
| Attribute | Specification |
|---|---|
| Part Number (P/N) | WB100000536 |
| Brand | Wanbon (WB) |
| Product Name | Engine Thermostat / Wax Pellet Thermostat |
| Application Vehicle | Yutong (YUTONG) Coaches and City Buses |
| Engine Compatibility | Diesel Engines used in Yutong Bus Platforms (e.g., Cummins ISBe, Weichai, Yuchai variants) |
| Function | Regulates engine operating temperature by controlling coolant circulation |
| Thermostat Type | Fully automatic wax-element type with jumbo valve design |
| Mounting Style | In-line housing with gasket seal; fits standard thermostat housing on engine block or outlet pipe |
| Sealing Method | Integrated rubber O-ring and flat gasket |
| Parameter | Detail |
|---|---|
| Opening Start Temperature | 82°C ± 2°C (typical) – begins to open at ~82°C |
| Fully Open Temperature | 97°C – 102°C – reaches maximum lift (~8–10 mm stroke) |
| Valve Diameter | Approx. 45–50 mm (jumbo size for high-flow applications) |
| Operation Principle | Uses wax pellet expansion inside copper cup: as temperature rises, wax expands and pushes piston to open main valve |
| Pressure Rating | Compatible with pressurized cooling systems up to 1.1 bar (with cap) |
| Durability Life | Rated for over 250,000 km or 5 years under normal bus operation |
| Temperature Sensitivity | Fast response to thermal changes; prevents engine "hunting" (oscillating temps) |
| Materials | - Valve: Brass alloy – Housing: High-temp resistant engineering plastic or stamped steel – Seal: NBR (Nitrile) O-ring |
