398-1507 3981507 Fuel Injector for Caterpillar 320D2, 320D2 GC, 320D2 L

398-1507 diesel fuel injector for Cat C7.1 engine398-1507 Diesel Fuel Injector Overview

The 398-1507 is a new aftermarket diesel fuel injector assembly for selected Cat C7.1 engine applications. It is used in the engine fuel-injection system to deliver the required quantity of fuel into the combustion chamber at the correct time.

This injector is supplied for selected Cat 320D2, 320D2 GC and 320D2 L excavators. Because different engine arrangements may use different injector specifications, the engine serial number and original injector number should be checked before purchase.

Fitment Checks Before Installation

Compare the 398-1507 number with the removed injector and provide the complete machine model, engine model and engine serial number. Photos of the injector body, electrical connection and nozzle end can also help identify the correct version.

Before installing the replacement injector, inspect the fuel supply system, high-pressure pipes and fuel rail for contamination. Installation and any required injector calibration should be completed by a qualified diesel technician.

FAQ

Which engine uses the 398-1507 fuel injector?

The verified application for this product page is the Cat C7.1 diesel engine. The complete engine serial number should still be checked because injector specifications can vary between engine arrangements.

Which excavator models are compatible with this injector?

The supported machine references are Cat 320D2, 320D2 GC and 320D2 L excavators. Machine model alone should not be used as the final fitment check.

How can I confirm the correct injector before ordering?

Send the original injector number, machine model, complete engine serial number and clear photos of the removed injector. These details help prevent differences in connector, nozzle and calibration specifications.

What is the warranty for the 398-1507 injector?

The standard warranty is 6 months. The injector should be professionally installed and the fuel system should be checked for contamination before operation.