396-2052 Cylinder Fuel Rail Assembly for Caterpillar C4.4 Engine

396-2052 4 Cylinder Fuel Rail for Cat C4.4 Engine

The 396-2052 fuel rail is supplied as an aftermarket replacement 4 cylinder fuel rail assembly for Cat C4.4 diesel engines. It is used in the fuel system to deliver pressurized fuel from the high-pressure fuel pump to the injectors and support stable fuel distribution during engine operation.

This product page focuses on the 396-2052 / 3962052 fuel rail assembly itself. Before ordering, please confirm the old fuel rail part number, engine model, machine model and the connector or sensor configuration on the original rail.

Application for Cat 320D2 320GC 313D2 Excavators

The 3962052 fuel rail assembly is commonly used for Cat C4.4 engine applications, including excavator models such as 320D2, 320D2 GC, 320GC, 320GX, 313D2, 313D2 GC, 318D2 and 318D2 L. Because Caterpillar fuel system parts may vary by machine serial number and engine arrangement, the original part number should be checked before purchase.

Replacement and Inspection Notes

When replacing the fuel rail, inspect the high-pressure fuel lines, fuel rail pressure sensor, pressure valve, injector connections and sealing points at the same time. The fuel system must be kept clean during installation to prevent contamination from entering the rail or injectors.

Order Confirmation

To confirm the correct 396-2052 fuel rail assembly, please send the machine model, engine model, machine serial number, old part number label and clear photos of the original fuel rail. Topvelsun can help check the fitment before quotation and shipment.

FAQ

Q1: What is 396-2052 used for?

396-2052 is a 4 cylinder fuel rail assembly used in Cat C4.4 diesel engine fuel system applications.

Q2: Is 396-2052 the same as 3962052?

Yes. 396-2052 and 3962052 are two common writing formats for the same fuel rail part number. The hyphen is often removed in supplier listings and customer searches.

Q3: Can this fuel rail be used for Cat 320D2 or 320GC excavators?

This 3962052 fuel rail assembly is supplied for Cat C4.4 applications including 320D2, 320D2 GC, 320GC, 320GX, 313D2, 313D2 GC and related excavator models. Please confirm the machine serial number before ordering.

Q4: Does this product include the fuel rail sensor and pressure valve?

The supply scope should be confirmed before quotation. Please send photos of the original fuel rail and confirm whether you need the bare rail, rail with sensor, or rail with related pressure components.

Q5: What information should I provide before buying?

Please provide the machine model, engine model, serial number, old part number and photos of the original fuel rail. These details help confirm the correct replacement.