| Customization: | Available |
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| Application Scenarios: | 5 microns |
| Filter Efficiency: | 0.98 |
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612630080554 FUEL FILTER SEAT TONLY TL885 FAW Foton Dongfeng HOWO Sinotruk Shacman Good Quality Chinese Brand
Product Name: FUEL FILTER SEAT
Product Model: TONLY TL885
Product After Sales Service: 3 Months
Product Material: Steel
Product Origin: JINAN
Product Unit: PCS
Product Advantages: high-density, good performance, long service life.
The FUEL FILTER SEAT is a critical component in a heavy-duty truck's fuel system. It serves as a central hub that does much more than just hold the fuel filter(s). Its primary functions are designed to ensure clean fuel delivery and protect the expensive, high-precision fuel injection system.
1. Secure Filter Housing Attachment:
It provides a stable, sealed, and mounting platform for the fuel filter cartridge (spin-on type) or the filter housing (cartridge type). The gasket or O-ring surfaces ensure a leak-proof seal, preventing air ingress and fuel leaks.
2. Fuel Flow Management and Distribution:
This is its core function. The FUEL FILTER SEAT contains intricate internal passages that direct the flow of fuel.
Unfiltered Fuel Inlet: It receives fuel from the fuel tank (either via a transfer pump or directly from the feed line).
Directs Fuel to Filter: It channels this unfiltered fuel into the filter element.
Filtered Fuel Outlet: It collects the cleaned fuel after it passes through the filter media and directs it towards the fuel injection pump (e.g., the high-pressure common rail pump).
3. Integral Water Separation System (Primarily for Primary Filters):
This is a key feature, especially for primary fuel filters/fuel-water separators.
Water Collection Bowl: The FUEL FILTER SEAT often incorporates or connects to a transparent collection bowl at the bottom.
Water Drain Valve: It includes a manual or automatic drain valve to allow for the periodic removal of accumulated water and solid contaminants from the bowl, preventing them from entering the fuel system.
4. Integral Bypass Valve (Pressure Relief Valve):
A vital safety feature. If the filter becomes clogged with contaminants or in extreme cold when fuel waxes, the restriction to flow becomes too high.
The bypass valve (a spring-loaded valve inside the FUEL FILTER SEAT) opens at a predetermined pressure.
This allows fuel to bypass the filter element, flowing directly to the outlet. This ensures the engine continues to receive fuel, preventing stalling and power loss. Note: The fuel is unfiltered in this mode, which is a last resort to maintain vehicle operation.
5. Provision for Auxiliary Ports and Sensors:
Modern FUEL FILTER SEATs, especially on common rail systems, are equipped with multiple ports for system monitoring and management:
Water-in-Fuel (WIF) Sensor: Detects the presence of a high level of water in the collection bowl and triggers a warning light on the dashboard.
Fuel Heater: Often integrated into the FUEL FILTER SEAT or the bowl to prevent fuel waxing in cold climates.
Fuel Temperature/Pressure Sensors: To provide data to the Engine Control Module (ECM).
Priming Pump Connection: A manual priming pump is often mounted directly on the FUEL FILTER SEAT to remove air from the system after filter changes.
6. Air Bleeding / Venting:
The FUEL FILTER SEAT typically includes a bleeder screw or a built-in function to facilitate the removal of air from the fuel system after servicing, which is crucial for maintaining proper engine operation and preventing damage to the injection pump.
In summary, the FUEL FILTER SEAT is a sophisticated flow management, protection, and monitoring hub. It ensures effective filtration and water separation, protects the engine from stalling due to a clogged filter, provides critical warnings, and facilitates system maintenance, thereby safeguarding the vital and sensitive fuel injection components.
Shandong Tongjia Supply Chain Management Co., Ltd. was established in 2002, and in 2014, it set up a subsidiary Jinan Perfect Power Auto Parts Co. specializes in the sale of heavy-duty trucks and truck parts. The company primarily focuses on distributing Sinotruk, Shacman, Foton truck parts, and various construction machinery components, offering over 200,000 distinct items. Shandong Tongjia emphasizes international trade, exporting goods to Africa, the Middle East, Southeast Asia, South America, Eastern Europe, and other global markets. The company has developed a dedicated and professional technical staff and sales team, establishing a comprehensive management system. Shandong Tongjia is committed to providing customers with high-quality and affordable products. Currently, its offerings are well-received both domestically and internationally, consistently earning praise from customers around the world.
We have worked with many of the world's leading brands,and almost all of our co-operators have been satisfied with our products and services,and have continued their co-operation for many years. We are looking forward to your enquiry,let's cooperate and win together !
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