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(888) 312-8812 Login SignupIs a cylinder misfire under load caused by bad fuel, a compression problem, or something inside the injector itself? A worn Caterpillar Fuel Injector is often the real cause, since internal wear in the nozzle or plunger changes spray pattern and delivery timing independently of fuel quality or compression. The Caterpillar 10R8501 is built to original spray and delivery specifications, so combustion timing across all cylinders matches what the engine was tuned around. Ruling a fuel injector in or out first narrows the diagnosis before chasing compression or fuel-quality issues that aren't the actual cause.
| Brand | Part Number |
|---|---|
| 10R8501 | |
| ALLIANT POWER | DT10R0957, EX630957 |
| D&W | 148-012-0006 |
| DELPHI | EX630957 |
| DIPACO | DT10R0957 |
| PAI | 390091X |
| RELIANCE POWER PRODUCTS | H10R0957 |
| ZILLION HD | INJ10R0957R, INJ10R8501R |
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