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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
| Quantity: | |
|---|---|
612600080597
FAW
| Attribute | Description |
|---|---|
| Product Name | Injector Return Pipe / Fuel Return Hose Assembly |
| Manufacturer | Weichai Power (Weifang, China) |
| Type | OEM Replacement Part |
| Application | Diesel Engine Fuel System – Low-Pressure Return Circuit |
| Function | Returns surplus fuel from fuel injectors to the fuel tank or low-pressure system to maintain pressure stability and prevent leakage |
| Design | Multi-branch rigid-flexible hybrid tube with precision-formed bends |
| Quality Standard | Meets Weichai OEM specifications; built to withstand harsh under-hood environments |
| Durability | High resistance to heat, vibration, oil aging, and corrosion |
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| Parameter | Value / Detail |
|---|---|
| Material Construction | Reinforced high-pressure braided rubber hose with metal connectors (brass/stainless steel); includes hollow bolt fittings |
| Structure Type | Complete hose assembly with multiple branches connecting individual injectors |
| Working Pressure | Designed for low-pressure return system; capable of handling transient backpressure pulses during injection cycles |
| Temperature Range | -40°C to +120°C (-40°F to +248°F) — resistant to softening or cracking near hot engine components |
| Sealing Method | Uses crush-type copper (purple) washers at hollow bolt connections |
| Installation Location | Mounted on cylinder head, adjacent to fuel injectors; routed away from direct contact with exhaust manifolds and moving parts |
| Fitment Precision | Pre-bent tubing ensures accurate routing without interference with surrounding components |
