Thermostat housing bypass tube hose OE LR083328 Coolant water hose for Land Rover Thermostat housing tube
Thermostat housing bypass tube hose OE LR083328 Coolant water hose for Land Rover Thermostat housing tube
Product Description:
Radiator Water Overflow Hose Pipe
OE NO.: LR083328 J9C1664
Applicable vehicle type: For Land Rover
The thermostat housing tube, also known as the thermostat housing pipe, is a vital component of the automotive cooling system.
Primarily serving to connect the thermostat to other components within the engine cooling system—such as the radiator and water pump—it channels the flow of coolant. Working in tandem with the thermostat, it regulates the coolant's circulation path: during cold engine starts, it directs the coolant into a small-loop circuit to rapidly raise engine temperature; once the engine reaches operating temperature, it switches to a large-loop circuit, allowing the coolant to flow through the radiator for heat dissipation. This ensures the engine consistently maintains an optimal operating temperature.
Performance advantage:
- Temperature Resistance: Capable of withstanding the high temperatures within the engine compartment and the rapid fluctuations in coolant temperature. Must not become brittle at low temperatures, nor deform or soften at high temperatures.
- Corrosion Resistance: As coolant contains chemical components such as ethylene glycol and corrosion inhibitors, which possess a degree of corrosiveness, the thermostat housing tube must resist erosion from these substances to ensure long-term operational stability.
- Sealing Performance: Must possess excellent sealing properties to prevent coolant leakage and ensure proper cooling system operation. Typically incorporates high-performance seals or gaskets to enhance sealing effectiveness.
- Strength and Toughness: Possesses sufficient strength and toughness to withstand coolant pressure and vibrations/shocks during vehicle operation, resisting fracture or damage.
Company Profile:
Beijing Huarui Jietong Trading Co., Ltd. brings 20 years of automotive aftermarket expertise as a professional auto parts supplier. With strategic locations in Beijing, Guangzhou, and Jiangsu, we efficiently meet quality and quantity demands for global customers.

The company primarily focuses on accessories for Land Rover, Jaguar, and VO LVO product series, including Air Conditioning Systems, Braking Systems, Driving Systems, Engine Systems, Cooling Systems, Auto Body Systems, Steering Systems, Suspension Systems, Transmission Systems, and other related parts. Facing the trend of economic globalization, our company is committed to bringing better products and services to the world, providing high-quality products and services for domestic and foreign enterprises and customers.
We welcome any inquiries and look forward to your contact.

- 20 years of specialized auto parts industry experience
- Expert technical team for comprehensive support
- Direct partnerships with repair shops for real-world feedback
- Premium quality parts ensuring reliability and durability
- Extensive inventory with over 500,000+ items ready to ship
- Responsive customer service with quick turnaround
- Customized solutions for specific vehicle requirements
- Professional technical guidance and installation support
- Comprehensive 12-month warranty coverage
- Competitive pricing through optimized supply chains
- Rigorous quality control meeting industry standards
- Efficient global shipping via multiple carriers
Items ship within 3-7 business days via Epacket/UPS/FEDEX/DHL/EMS.
Remote areas may incur additional shipping fees.
Inspect items upon delivery and contact us immediately for any damage.
Russian customers must provide full name; Brazilian customers must provide tax number for courier shipments.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.



