Standard OEM gear tooth number, mounting hole spacing and oil port position completely consistent with original pump, direct bolt replacement without modifying engine pipeline or gear chamber, plug-and-play installation, factory pre-calibrated fuel pressure parameters, no secondary debugging after assembly to shorten heavy equipment maintenance downtime. Domestic replacement parts have stable supply cycle and competitive price for mining machinery repair shops.
| Specification | Detailed Information |
|---|---|
| Brand | ZVEZDA |
| Full Cross Reference OE Codes | 319-0678, 3190678, 10R-8900, 304-0678 |
| Product Category | CAT C7/C9 HEUI Hydraulic Electronic Controlled High Pressure Fuel Injection Pump |
| Matching Diesel Engine | CAT C7 / C9 ACERT Turbo Diesel Engine |
| Matching Main Equipment | 330C, 330D, 336D, 324D, 329D Heavy Mining Excavator, Loader, Road Roller |
| Drive Mode | Gear Integrated Direct Drive |
| Core Technology | HEUI Hydraulically Actuated Electronic Unit Injector System |
| Installation Position | Engine Front Gear Chamber Fuel Pump Bracket |
| Fixing Mode | Multi-Hole Integral Cast Flange Fixed Mount |
| Origin | China |
| Delivery Time | Ship within 1-7 working days after payment |
| Main Applicable Scenarios | Open Pit Mining, Large Quarry Excavation, Highway Heavy Construction, Large Landfill Project |
| Net Product Weight | Approx. 8.5kg |
| Quality Warranty | 6 Months Normal Heavy Load Construction Warranty |
| Export Packing | Neutral Export Wooden Case + Shockproof EPE Foam Independent Single Packaging |
| Sample Policy | 1 Piece Sample Support, Factory Provide High Pressure Flow Test Report, Sample Shipment 1-7 Working Days |



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| No. | Question | Answer |
|---|---|---|
| Q1 | What interchangeable OE numbers can replace 319-0678? | Cross part numbers 10R-8900 and 304-0678 are fully interchangeable, same gear size, oil circuit and installation dimension, direct replacement without modification. Made in China, sufficient stock to ship within 1-7 working days. |
| Q2 | After replacing 319-0678 on 336D, engine hard start and power drop? | Internal plunger wear or pressure balance valve failure leads to unstable HEUI oil pressure, unable to reach standard 4000PSI working pressure, need to replace the whole fuel pump assembly. |
| Q3 | Can this HEUI pump fit CAT C6.6 / 320D excavator? | Not interchangeable, C6.6 engine adopts small-displacement HEUI pump with different gear tooth number and oil flow parameters, cannot cross install on C7/C9 machines. |
| Q4 | What are the core advantages of this Chinese-made 319-0678 replacement pump? | Same OEM mounting size and pressure parameters as original CAT pump, all parts pass high-pressure leakage test, durable for mining heavy load, much lower cost than genuine parts, stable 1-7 working days delivery cycle. |
| Q5 | Does 319-0678 need ECU pressure calibration after installation on 330C? | After installation, run engine idle for 15 minutes, the ECU will automatically match HEUI system oil pressure curve, no professional bench calibration required for maintenance shops. |