Injection Pump Service And Repair

We rebuild injection pumps for most Agricultural, Industrial, Marine, Light Duty, and Heavy Duty applications. From legacy mechanical injection pumps to modern common rail injection pumps, we have you covered. With decades of specialized experience, we restore your injection pump to like-new performance using OEM-quality parts and precise calibration.

Our Professional Rebuild Process Includes:

  • Full disassembly
  • Sonic cleaning (ultrasonic wash)
  • Careful inspection of all components
  • Replacement of all worn or out-of-spec parts
  • Precision reassembly
  • Final bench testing and calibration

Every pump is adjusted to OEM specifications or custom performance modification specs according to your request.

OEM Injection Pump Brands & Applications We Service:

  • Bosch – VE, VP44, CP3, CP4, and common rail pumps for Cummins, Powerstroke, Duramax, and many industrial engines
  • Stanadyne – DB2, DB4, DS4, and legacy mechanical pumps commonly found in Ford, GM, and agricultural equipment
  • Delphi (Lucas CAV) – DPA, DPS, and common rail systems used in Perkins, John Deere, and heavy equipment
  • Denso – HP0, HP3, HP4, and common rail pumps found in Toyota, Isuzu, and various heavy-duty applications
  • Yanmar – Mechanical and common rail pumps for compact tractors, marine, and industrial Yanmar engines
  • Caterpillar – CAT pumps and fuel systems for heavy equipment, generators, and marine applications
  • Additional Brands – Roosa Master, Ambac, Simms, and many others across agricultural, marine, and industrial platforms

We handle everything from full rebuilds and calibration to injector pump reseals, performance upgrades, and warranty-backed service. Whether you run a fleet, farm equipment, or heavy machinery, bring your pump to Certified Injection Service for expert service you can trust.