Collection: Fuel Injector

Premium Diesel Fuel Injectors โ€“ Bosch, Cummins, Delphi, Stanadyne & Alliant Power

Find the right diesel fuel injector for your engine at Express Diesel USA. Our selection covers industry-leading brands like Bosch, Cummins, Delphi, Stanadyne, and Alliant Powerโ€”engineered for precise fuel delivery, clean combustion, and long service life.

Why Choose Our Fuel Injectors?

  • Precision & Efficiency: Tight tolerances for consistent atomization and improved fuel economy.
  • Wide Coverage: Options for Cummins, Powerstroke, Duramax, Yanmar, John Deere, Case IH, New Holland, Mitsubishi Fuso, Bobcat, Doosan and more.
  • OEM & Premium Aftermarket: New and remanufactured choices from Bosch, Cummins, Delphi, Stanadyne, Alliant Power.
  • Single or Matched Sets: Maintain balanced fueling across cylinders.
  • QC Tested: Spray pattern, leakage and flow verified to OEM spec.

How to Pick the Correct Injector

  1. Match by Part Number: Use OEM/cross-reference numbers on your injector or service manual.
  2. Confirm Engine Family: Displacement, model year and ECU calibration requirements.
  3. Choose Configuration: New, reman, single units or full sets.
  4. Add Install Kit: O-rings, washers and return lines for a complete job.

Need help? Contact our team for compatibility checks.

Best Sellers

Top Brands & Applications

Popular references across Bosch common-rail, Cummins mid/heavy-duty, Delphi off-highway, Stanadyne rotary & pencil-style, and Alliant Power OE-quality replacements. Applications include highway trucks, farm tractors, construction machinery, marine engines and industrial generators.

Pro Tips for Injector Longevity

  • Use clean, spec-grade diesel and replace fuel filters on schedule.
  • Follow torque specs and always install new sealing washers/O-rings.
  • Scan for DTCs and perform injector coding/calibration when required.
  • Address hard-start, rough idle or smoke early to prevent collateral damage.

FAQ

Are these injectors OEM-spec?

We offer genuine OEM and high-quality aftermarket/reman units that meet or exceed OEM specifications.

Should I replace injectors as a set?

Matched sets help maintain balanced fueling and smooth operation on high-mileage engines.

How do I confirm compatibility?

Match by OEM part number or engine family. If unsure, contact us with VIN/engine model and current injector number.

Filter the collection by brand, engine or price, and order with confidence. Express Diesel USAโ€”your trusted source for reliable diesel fuel injectors, expert support and fast fulfillment.