Full-Set Injector Replacement for Isuzu 4BD2 Diesel — Restore Power, Economy & Reliability

Misfiring, rough idle, black smoke, or sluggish throttle response? Worn injectors are the most common culprit in aging 4BD2 engines. This complete 4-piece set replaces all cylinders at once — eliminating uneven combustion and getting your Isuzu diesel back to full working strength.

Why This Set Stands Out

• Denso-Spec Engineering — Matched to the original Denso injection parameters for precise timing, pressure, and spray geometry
• Complete 4-Cylinder Coverage — Replace all injectors simultaneously for uniform combustion across every cylinder
• High-Pressure Diesel Rated — Built to endure continuous high-pressure cycling in demanding heavy-duty and industrial applications
• Consistent Performance Under Load — Maintains stable injection characteristics whether idling, hauling, or running at full RPM
• 100% New Aftermarket — Not remanufactured or rebuilt; full service life from the moment you install
• Direct OEM Replacement — Drop-in fit, no modifications required

Fitment

• Engine: Isuzu 4BD2 — 3.9L Diesel
• OEM / Cross-Reference Part Numbers: 105141-2870  |  8-97025466-0  |  8970254660
• Typical Applications: Isuzu trucks, NPR/NQR series, forklifts, construction & agricultural equipment with 4BD2 engines

What's in the Box

• 4 × New Fuel Injectors (105141-2870 / 8-97025466-0 / 8970254660)

Always verify part numbers against your existing injectors or engine serial number before ordering. Not sure about fitment? Contact us — our team knows diesel fuel systems inside and out.