- EN
| Parameter | Specification |
|---|---|
| COGENG Part Number | 242-01361PCS (24201361PCS) |
| OEM Equivalent | Caterpillar 242-0136 |
| Product Type | Common Rail Fuel Injector |
| Set Type | 6 injectors (complete engine set) |
| Technology | Electronically controlled solenoid injector |
| Engine Compatibility | Caterpillar C9 (9.0L, 6-cylinder) |
| Equipment Compatibility | CAT 330, 336D, 336D2, 340D, 345C, 345D excavators |
| Brand | Part Number |
|---|---|
| COGENG | 242-01361PCS |
| Caterpillar | 242-0136 |
| Interchange | 242-0136, 10R-9050, 10R-9051, 320-1490, 320-1500, 320-1545, 320-1546, 320-1547, 320-1548, 320-1549, 320-1550, 276-2627, 276-2628 |
| Parameter | Specification |
|---|---|
| Engine Compatibility | Caterpillar C9 (9.0L, 6-cylinder) |
| Displacement | 9.0L (549 cu in) |
| Cylinders | 6-cylinder engine |
| Injection System | High-pressure common rail (EUIM) |
| Control Type | Solenoid valve, electronically controlled by ECU |
| System Voltage | 24V DC (CAT standard) |
| Fuel Type | Diesel |
| Parameter | Specification |
|---|---|
| Injection Pressure | Up to 1,800 bar (26,000 psi) |
| Spray Pattern | 9-hole nozzle optimized for C9 combustion chamber |
| Flow Rate | OEM specification (±3% tolerance across set) |
| Response Time | ≤ 0.5 ms |
| Parameter | Specification |
|---|---|
| Body Material | High-strength hardened alloy steel |
| Nozzle Material | High-speed tool steel, precision ground |
| Solenoid Coil | Class H high-temperature insulation (180°C) |
| Internal Filter | Stainless steel screen (20-30 micron) |
| Seals | Viton (FKM) high-temperature resistant |
| Weight (each) | Approx. 0.8 - 1.2 kg (1.8 - 2.6 lbs) |
| Model | Series | Engine | Application |
|---|---|---|---|
| 330C | C-Series | C9 | Fuel injector |
| 330C L | C-Series | C9 | Fuel injector |
| 330D | D-Series | C9 | Fuel injector |
| 330D L | D-Series | C9 | Fuel injector |
| 336D | D-Series | C9 | Fuel injector |
| 336D L | D-Series | C9 | Fuel injector |
| 336D LN | D-Series | C9 | Fuel injector |
| 336D2 | D2-Series | C9 | Fuel injector |
| 336D2 L | D2-Series | C9 | Fuel injector |
| 336D2 XE | D2-Series | C9 | Fuel injector |
| 336E | E-Series | C9.3 | Check compatibility |
| 336F | F-Series | C9.3 | Check compatibility |
| 340D | D-Series | C9 | Fuel injector |
| 340D L | D-Series | C9 | Fuel injector |
| 345C | C-Series | C9/C11 | Fuel injector (C9 models) |
| 345D | D-Series | C9/C11 | Fuel injector (C9 models) |
| Engine Model | Displacement | Application |
|---|---|---|
| Caterpillar C9 | 9.0L (549 cu in) | Excavators, wheel loaders, industrial equipment |
| Caterpillar C9 ACERT | 9.0L | Tier 3 / Stage IIIA compliant models |
Frequently Asked QuestionsNote: The C9 engine is a 6-cylinder, 9.0L displacement engine widely used in D-series and D2-series excavators. Verify compatibility with your equipment model, engine serial number, and ECU configuration before ordering. Contact COGENG with your machine details for exact application verification.
Q: What Caterpillar models and engines use the 242-01361 fuel injector?
A: The COGENG 242-01361PCS fuel injector is a direct OEM replacement designed for Caterpillar C9 diesel engines where this injector part number is specified. The Cat C9 engine is commonly found in Cat 330D, 336D, and 336D2 excavator models, as well as other Cat heavy equipment applications. Always verify this part number against your engine's parts manual or the original injector's identification markings to confirm exact compatibility before ordering.
Q: What are the symptoms of a failing fuel injector on a Cat C9 engine in a 330D or 336D excavator?
A: Common symptoms include engine misfire on one or more cylinders, rough idling or uneven engine operation, loss of power under load, increased fuel consumption, black or white smoke from the exhaust, hard starting, fuel dilution in the engine oil, active diagnostic trouble codes related to injector circuits, or the engine entering a derate or limp mode. On large excavators like the 330D and 336D, faulty injectors can cause significant productivity loss and increased operating costs if not addressed promptly.
Q: Is this injector a direct plug-and-play replacement?
A: The COGENG 242-01361PCS fuel injector is manufactured to exact OEM specifications for nozzle geometry, spray pattern, fuel delivery rate, electrical connector type, and mounting dimensions. It is a direct replacement requiring no physical modifications when installed on compatible Cat C9 engines. However, injector trim codes must be programmed into the engine ECM using Caterpillar Electronic Technician (Cat ET) after installation to ensure proper fuel delivery calibration.
Q: Does this injector require any programming after installation?
A: Yes, each new fuel injector has a unique injector trim code printed on the injector body. These trim codes must be entered into the engine ECM using Cat ET or equivalent dealer-level diagnostic software to calibrate fuel delivery for the specific cylinder. Failure to program the trim codes will result in suboptimal engine performance, increased fuel consumption, higher emissions, and potential engine damage. We strongly recommend programming be performed by a certified Caterpillar service technician.
Q: What should I replace along with the fuel injectors?
A: When replacing fuel injectors, it is strongly recommended to also replace the fuel filters, inspect and clean the entire fuel system, replace all injector O-rings and copper sealing washers, and thoroughly inspect the injector wiring harness under the valve cover for signs of oil contamination, chafing, or wear. Contaminated fuel is a leading cause of injector failure, so ensure the fuel system is clean before installing new injectors.
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