CAT C7 C9 Fuel PUMP 479-8766 Genuine Diesel PUMP For Caterpillar Engine

The erpillar 479-8766 fuel transfer (priming) is engineered to provide a consistent fuel supply to C9 diesel . It is a crucial component for maintaining steady fuel delivery from the tank to the injection system, ensuring smooth engine startup, reliable performance under load, extended service life of critical fuel system components.

 

 

 

 

ACERT & non-ACERT

Widely used in:Hydraulic excavators (e.g., 320D, 336D)

Wheel loaders (e.g., 950H, 966H)

Motor graders (e.g., 140M)

Industrial generator sets

Marine propulsion auxiliary power units

 

 

Mounting Loion: Direct-fit installation on engine fuel system housing

Fittings: Stard erpillar fuel inlet/outlet connections

Required Tools: Stard metric h tools

Installation Time: Approx. 30–45 minutes with depressurized fuel system

Maintenance Tip: Replace fuel filters during installation for optimal fuel flow contamination control

 

 

Steady fuel flow for consistent engine operation in high-dem environments

Improved cold-start capability by rapidly priming the fuel system

Built to erpillar OEM quality stards for reliability leak resistance

Compact, robust design to withst vibration heavy-duty cycles

Direct replacement for OEM part number 479-8766, ensuring perfect fit performance

The 479-8766 is a critical fuel injection component commonly used in /C9 series various heavy-duty machines. It is related to or interchangeable with other parts, such as 20R-1635 384-0677, but compatibility quality must be verified when purchasing. Proper installation maintenance are essential for optimal engine performance, fuel economy, extended machine life.

 

 

The 479-8766 is suitable for construction, mining, marine, industrial appliions powered by C9 . It is designed for heavy-duty usage where uninterrupted fuel delivery is critical to equipment uptime operational efficiency.

To ensure the safe reliable operation of the 479-8766 fuel in real-world appliions, the following are some recommended precautions:

Confirm the part number system type

Determine the machine's engine model injection system type (mechanical vs. electronic vs. hydraulic).

Check the original fuel injection serial number to confirm that it is a true replacement for the 479-8766.

Check the quality source

If it is a replacement/remanufactured part, confirm whether it has undergone the OEM or approval process/testing stards.

Check whether test reports, performance specifiions (maximum output pressure, injection quantity/timing), warranty period are provided.

Installation Calibration

During installation, ensure that the fuel system is properly sealed no air enters the system.

Correct the injection timing quantity to avoid engine whistling, incomplete combustion, or emissions issues.

Perform a test run after installation observe the machine's performance under various loads.

Maintenance Care

Use clean, stard diesel fuel appropriate filters to minimize the effects of impurities on internal wear of the injection .

Regularly inspect the lubriion, cooling, fuel supply systems in harsh environments or during extended operation.

Pay attention to the effects of temperature on fuel viscosity, especially during cold starts or in low-temperature environments.

 

 

 

 

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