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Alliant Power Reman Fuel Injector, Cummins Isx12 Xpi Ap55103
Regular price $1,159.57Regular priceUnit price / per$1,368.29Sale price $1,159.57Sale -
Alliant Power Reman Fuel Injector, Ap55104
Regular price $519.67Regular priceUnit price / per$597.62Sale price $519.67Sale -
Alliant Power Reman Fuel Injector, Ap55105
Regular price $519.67Regular priceUnit price / per$597.62Sale price $519.67Sale -
Alliant Power Reman Fuel Injector, Ap55106
Regular price $519.67Regular priceUnit price / per$597.62Sale price $519.67Sale -
Alliant Power Reman Common Rail Injector, Sprinter 2.7L Om647 Ap55109
Regular price $434.49Regular priceUnit price / per$499.66Sale price $434.49Sale -
Alliant Power Reman Fuel Injector, Cummins Qsc 8.3L 03-13 Ap55133
Regular price $501.36Regular priceUnit price / per$576.56Sale price $501.36Sale -
Alliant Power Reman Common Rail Injector, Cummins Qsb 6.7L Ap55177
Regular price $590.82Regular priceUnit price / per$679.44Sale price $590.82Sale -
Alliant Power Reman Common Rail Injector, Gm 6.6L Lb7 Ap55502
Regular price $339.00Regular priceUnit price / per$389.85Sale price $339.00Sale -
Alliant Power Reman Common Rail Injector, Cummins 5.9L Isb Ap55503
Regular price $465.57Regular priceUnit price / per$535.40Sale price $465.57Sale -
Alliant Power Reman Common Rail Injector, Gm 6.6L Lly Ap55504
Regular price $449.88Regular priceUnit price / per$517.37Sale price $449.88Sale -
Alliant Power Alliant Power Reman Cr Injector, Cummins 6.7L Isb Ap55518
Regular price $557.67Regular priceUnit price / per$641.32Sale price $557.67Sale -
Alliant Power Reman Common Rail Injector, Cummins 6.7L Isb Ap55519
Regular price $539.26Regular priceUnit price / per$620.15Sale price $539.26Sale -
Alliant Power Reman Common Rail Injector, Gm 6.6L Lmm Ap55520
Regular price $572.05Regular priceUnit price / per$657.86Sale price $572.05Sale -
Alliant Power Reman Common Rail Injector, Gm 6.6L Lbz Ap55521
Regular price $565.44Regular priceUnit price / per$650.25Sale price $565.44Sale -
Alliant Power Reman Fuel Injector, Cummins Cnh & Komatsu Ap55522
Regular price $517.54Regular priceUnit price / per$595.17Sale price $517.54Sale -
Alliant Power Reman Common Rail Injector, Cummins 8.3L Isc Ap55532
Regular price $409.37Regular priceUnit price / per$470.78Sale price $409.37Sale -
Alliant Power Reman Common Rail Injector, Cummins 8.9L Qsl Ap55555
Regular price $555.24Regular priceUnit price / per$638.52Sale price $555.24Sale -
Alliant Power Reman Common Rail Injector, Cummins 6.7L Isb Ap55573
Regular price $557.67Regular priceUnit price / per$641.32Sale price $557.67Sale -
Alliant Power Reman Common Rail Injector, Cummins 6.7L Isb Ap55574
Regular price $530.59Regular priceUnit price / per$610.18Sale price $530.59Sale -
Alliant Power Reman Common Rail Injector, Cummins 8.9L Isl Ap55576
Regular price $540.66Regular priceUnit price / per$621.76Sale price $540.66Sale -
Alliant Power Reman Common Rail Injector, Cummins 4.5 5.9 6.7 Ap55597
Regular price $405.34Regular priceUnit price / per$466.14Sale price $405.34Sale -
Alliant Power Reman Common Rail Injector, Cummins 6.7L Isb Ap55621
Regular price $539.26Regular priceUnit price / per$620.15Sale price $539.26Sale -
Alliant Power New Diesel Fuel Injector, G2.8 Ford, Navistar Ap60800
Regular price $469.49Regular priceUnit price / per$539.91Sale price $469.49Sale -
Alliant Power New Diesel Fuel Injector, G2.8 Ford, Navistar Ap60801
Regular price $469.49Regular priceUnit price / per$539.91Sale price $469.49Back Order -
Alliant Power Reman Diesel Fuel Injector, G2.8 Ford, Navistar Ap60900
Regular price $298.90Regular priceUnit price / per$343.74Sale price $298.90Sale -
Alliant Power Diesel Fuel Injector, G2.8 Ford, Navistar Ap60901
Regular price $298.90Regular priceUnit price / per$343.74Sale price $298.90Sale -
Alliant Power Fuel Injector Set Installation Kit, Ford 6.0L Ap60902
Regular price $2,634.32Regular priceUnit price / per$3,029.47Sale price $2,634.32Sale -
Alliant Power New Heui Fuel Injector, Navistar T444E Ap63802Ac
Regular price $466.61Regular priceUnit price / per$536.60Sale price $466.61Sale -
Alliant Power New Heui Fuel Injector, Ford 7.3L Ap63803Ad
Regular price $466.61Regular priceUnit price / per$536.60Sale price $466.61Sale -
Alliant Power New Heui Fuel Injector, Ford 7.3L/T444 Ap63804Ae
Regular price $466.61Regular priceUnit price / per$536.60Sale price $466.61Sale -
Alliant Power New Heui Fuel Injector, Navistar, Perkins Ap63805Ba
Regular price $574.94Regular priceUnit price / per$661.18Sale price $574.94Sale -
Alliant Power New Heui Fuel Injector, Navistar, Perkins Ap63806Bb
Regular price $574.94Regular priceUnit price / per$661.18Sale price $574.94Sale -
Alliant Power New Heui Fuel Injector, Navistar Ap63807Bc
Regular price $584.89Regular priceUnit price / per$672.63Sale price $584.89Sale -
Alliant Power New Heui Fuel Injector, Navistar, Perkins Ap63808Bd
Regular price $574.94Regular priceUnit price / per$661.18Sale price $574.94Sale -
Alliant Power New Heui Fuel Injector, Navistar, Perkins Ap63811Bi
Regular price $574.94Regular priceUnit price / per$661.18Sale price $574.94Sale -
Alliant Power New Heui Fuel Injector, Navistar, Detroit, Perkins Ap63812Bj
Regular price $574.94Regular priceUnit price / per$661.18Sale price $574.94Sale -
Alliant Power New Heui Fuel Injector, Navistar, Detroit Ap63814Bp
Regular price $769.93Regular priceUnit price / per$885.42Sale price $769.93Sale -
Alliant Power Reman Heui Fuel Injector, Ford 7.3L/T444 Ap63900Aa
Regular price $297.67Regular priceUnit price / per$342.32Sale price $297.67Sale -
Alliant Power Reman Heui Fuel Injector, Ford 7.3L/T444 Ap63901Ab
Regular price $297.67Regular priceUnit price / per$342.32Sale price $297.67Sale -
Alliant Power Reman Heui Fuel Injector, Navistar T444E Ap63902Ac
Regular price $297.67Regular priceUnit price / per$342.32Sale price $297.67Back Order -
Alliant Power Reman Heui Fuel Injector, Ford 7.3L Ap63903Ad
Regular price $297.67Regular priceUnit price / per$342.32Sale price $297.67Sale -
Alliant Power Reman Heui Fuel Injector, Ford 7.3L/T444 Ap63904Ae
Regular price $297.67Regular priceUnit price / per$342.32Sale price $297.67Back Order -
Alliant Power Reman Heui Fuel Injector, Navistar, Perkins Ap63905Ba
Regular price $359.13Regular priceUnit price / per$413.00Sale price $359.13Sale -
Alliant Power Reman Heui Fuel Injector, Navistar, Perkins Ap63906Bb
Regular price $359.13Regular priceUnit price / per$413.00Sale price $359.13Sale -
Alliant Power Reman Heui Fuel Injector, Navistar, Detroit, Perk Ap63910Bf
Regular price $359.13Regular priceUnit price / per$413.00Sale price $359.13Back Order -
Alliant Power Reman Heui Fuel Injector, Navistar, Detroit, Perk Ap63913Bn
Regular price $359.13Regular priceUnit price / per$413.00Sale price $359.13Back Order -
Alliant Power Reman Fuel Injector, Ford 6.4L Mf 7 Ap64900
Regular price $377.15Regular priceUnit price / per$433.72Sale price $377.15Sale -
Alliant Power Reman Fuel Injector, Mf7 Post 2010 Emmissions Ap64901
Regular price $377.15Regular priceUnit price / per$433.72Sale price $377.15Sale
Collection: Fuel Injector
Premium Diesel Fuel Injectors – 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 Power—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
- Match by Part Number: Use OEM/cross-reference numbers on your injector or service manual.
- Confirm Engine Family: Displacement, model year and ECU calibration requirements.
- Choose Configuration: New, reman, single units or full sets.
- 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.
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