Product Specifications:
The 3202512 is a heavy-duty, precision-engineered High-Pressure Common Rail Fuel Injection Pump (Aftermarket Replacement) designed specifically for Caterpillar C6.4 diesel engines. Acting as the heart of the fuel delivery system, it generates the immense fuel rail pressure required for optimal combustion. These robust engines are the driving force behind CAT’s incredibly popular 20-ton class earthmoving equipment, most notably the 320D, 321D, and 323D series excavators. Manufactured to verify against rigorous OEM testing protocols to restore proper rail pressure, eliminate hard starts, and ensure maximum hydraulic power under heavy load.
📊 Part Number Cross Reference
(Data verified via global catalog search)
| Brand (Ref Only) | Part Number |
| Caterpillar (Ref) | 320-2512 / 3202512 |
| Reman Part Number | 10R-7662 / 10R7662 |
| Interchange Numbers | 326-4635 / 3264635 |
| Alternative Replacements | 295-9126 / 2959126 |
🚛 Fits Applications (Engine & Vehicle)
(Verified application list)
| Make | Machine / Model | Engine Code |
| Caterpillar | Excavator: 320D, 320D FM, 320D GC, 320D L, 320D LN | C6.4 |
| Caterpillar | Excavator: 320D LRR, 320D RR | C6.4 |
| Caterpillar | Excavator: 321D LCR | C6.4 |
| Caterpillar | Excavator: 323D L, 323D LN, 323D SA | C6.4 |
👨🔧 Tech Notes & Installation Guide
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✅ Fix Low Rail Pressure & Hard Starts:
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The Problem: A worn or failing high-pressure pump cannot maintain the demanding rail pressure required by the C6.4 engine. This results in extended cranking times, engine stalling, low-power mode (bogging down under hydraulic load), and check engine codes.
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The Fix: Install this brand-new injection pump to restore factory fuel pressure parameters. (Note: Only 1 pump is required per engine).
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✅ Direct Replacement Installation:
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This pump is precisely calibrated on the test bench to match OEM flow and pressure standards. Ensure proper gear timing alignment during installation according to the manufacturer’s service manual.
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⚠️ Critical System Flush Warning:
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Common rail pumps are highly sensitive to contaminated fuel. If your original pump suffered internal mechanical failure, it likely sent metal shavings into the fuel rail and injectors. You MUST thoroughly flush the fuel tank, lines, and rail, and install brand-new fuel filters prior to startup. Failure to clean the system will instantly destroy the new pump.
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🔍 Explore More Heavy Duty Parts:
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Looking for more options? Browse our complete selection of Diesel Pumps.
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Keep your engine running smoothly with our premium Engine Components.
⚖️ Legal Disclaimer
Part numbers, OE numbers, and brand names (e.g., Caterpillar, CAT) mentioned above are for reference and identification purposes only. This product is a compatible aftermarket replacement part and is NOT manufactured, sponsored, or affiliated with the original equipment manufacturers.
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