PRODUCT DESCRIPTION
| PRODUCT NAME: | C-A-T 306E, 307E CA4181049 418-1049 4181049 HIGH QUALITY INJECTOR OIL RETURN PIPE |
| PART NO: | CA4181049 418-1049 4181049 |
| BRAND NAME: | KBZE FUEL LEAK OFF PIPE |
| APPLICABLE MACHINE: | CATERPILLAR C2.6 / KUBOTA V2607 DIESEL ENGINE |
| SIZE: | STANDARD SIZE |
| MOQ: | ONE PCS |
| PLACE OF ORIGIN: | MADE IN CHINA |
| CONDITION: | 100% NEW GENUINE |
| CUSTOMIZED: | OEM & ODM |
| DELIVERY METHOD: | AIR, SEA, FEDEX, DHL, UPS, EMS |
| PORT | NANSHA PORT |
| SUITABLE MODEL: | CATERPILLAR / KUBOTA 306E , 307E |
WE CAN SUPPLY OTHER FUEL PIPE
| 6156-51-8230 | 61567-51-8330 | 6156-51-8230 | 6251-51-8330 |
| F04254669 | 1118077-65D | 1104090-36E | 21134583 |
| 1118060-D108 | 1118075-D108 | D04503380 | 21134583 |
| 1-13314064-2 | 1-13313904-2 | 1-13314064-2 | 8-98002511-2 |
| 1-13313698-0 | ME080613 | ME080452 | ME080619 |
| ME080452 | ME088874 | ME0888702 | ME047853 |
| 8-98002512-1 | 8-98025887-0 | 1-13313319-1 | 1-13313339-0 |
| 8-98019511-0 | 8-98019512-1 | 8-94364864-0 | 1-13313518-1 |
| 1-13313612-1 | 1-3313872-0 | 8-97362759-1 | 8-97362760-0 |
A fuel injector oil return pipe is part of a diesel engine's fuel system, especially in heavy machinery like excavators. Here's how it works:
### 1. **Fuel Injection Process:**
- **Fuel Injector:** The fuel injector is responsible for spraying a precise amount of diesel fuel into the engine's combustion chamber.
- **Pressure Control:** To inject fuel at the right pressure, the injector uses a high-pressure pump. However, not all fuel is injected into the engine—some of it is used to cool and lubricate the injector.
### 2. **Excess Fuel Return:**
- **Excess Fuel:** The injector receives more fuel than necessary to ensure proper lubrication and cooling. The excess fuel that is not injected into the combustion chamber needs to be returned to the fuel tank or fuel system.
- **Oil Return Pipe:** The fuel injector oil return pipe is a dedicated pipe that channels this excess fuel (often mixed with some oil used for lubrication) back to the fuel tank or the fuel system for recirculation. This prevents wastage and ensures the injector operates efficiently.
### 3. **Benefits:**
- **Efficiency:** The return pipe helps maintain optimal pressure in the fuel injector by ensuring excess fuel is removed, which contributes to better engine efficiency.
- **Cooling:** By returning the excess fuel, the pipe helps in cooling the injector, which prevents overheating and prolongs the life of the injector.
- **Lubrication:** The returned fuel often contains a small amount of oil, which helps in lubricating the injector components, reducing wear and tear.
This process ensures the fuel system remains balanced, efficient, and durable, contributing to the overall performance of the engine.
| Pos. | Part No | Qty | Parts name | Comments |
| 1 | 418-1049 | [1] | TUBE AS | |
| 2 | 383-0474 | [5] | BOLT | |
| 3 | 473-5090 | [5] | GASKET | |
| 4 | 418-1050 | [4] | TIP AS-FUEL INJECTOR | |
| 5 | 393-2942 | [4] | SEAL-O-RING | |
| 6 | 389-5234 | [4] | SEAL-O-RING | |
| 7 | 383-0519 | [4] | PACKING | |
| 8 | 418-1051 | [4] | CLAMP AS | |
| 8A. | 387-9890 | [1] | BOLT-FLANGE HEAD | |
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C-A-T 306E, 307E CA4181049 418-1049 4181049 KUBOTA V2607 INJECTOR OIL RETURN PIPE Images
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