Vehicle Compatibility

• Equipment Brand: Caterpillar

• Part Type: Diesel Fuel Injector

• OE Reference Number: 203-7685

• Remanufactured Reference Number: 10R-1268

• Engine Models: C10, C12

• Equipment Type: Excavator and Heavy Equipment

Compatible Caterpillar Equipment Applications

• Excavators: 345B II, 345B II MH, 365B, 365B II, 365B L

• Wheeled Excavator: W345B II

• Motor Grader: 16H

• Articulated Dump Trucks: 725, 730

• Wheel Loaders: 972G II

• Load Haul Dump: R1600G, R1700G

• Challenger Tractors: MT835, MT845, MT855, MT865, MTC835, MTC845, MTC855, MTC865

• Industrial Engines: Caterpillar C10, C12

Compatibility Notes

• Caterpillar's parts catalog lists reference number 203-7685 for selected C10 and C12 engine applications, including the 345B II and 365B excavator series. <Cite refs={["turn324292search0"]}/>

• Reference number 10R-1268 is associated with injector 203-7685 in parts cross-reference listings. <Cite refs={["turn324292search12","turn324292search3"]}/>

• The exact application for a machine identified as E345B has not been confirmed. Verify whether the intended model is 345B or 345B II.

• Compatibility depends on engine configuration and equipment serial number.

• Confirm the original injector number before ordering.

FAQ

Q1: Which engines use diesel fuel injector 203-7685?

This injector is listed for selected Caterpillar C10 and C12 engine applications.

Q2: Is 10R-1268 a reference number for 203-7685?

Yes. Parts cross-reference listings associate 10R-1268 with 203-7685. Confirm the applicable part number before replacement.

Q3: Is this injector compatible with the CAT 345B excavator?

The catalog lists the 345B II and 345B II MH. Compatibility with a standard 345B must be verified against the machine serial number and engine specification.

Q4: Is this injector compatible with the CAT 365B series?

Listed applications include 365B, 365B II and 365B L. Verify the original injector number and engine configuration.

Q5: How can I confirm compatibility?

Compare the original injector number with 203-7685 or 10R-1268 and verify the engine model and equipment serial number using the applicable Caterpillar parts catalog.