Fuel Injection Pump

Genuine OEM Fuel Injection Pumps

When a fuel injection pump wears out, drivers often notice hard starts, sluggish acceleration, rough idling, or a sudden no-start situation that leaves a truck stranded. The pump's job is demanding — it has to build precise fuel pressure and hit exact timing marks thousands of times a minute — so a mismatched or generic unit rarely holds up under real working conditions. It can throw off combustion timing, damage downstream injectors, or leave you stuck on the road. That's why every fuel injection pump in this collection is genuine OEM, matched to the manufacturer's original part number.

What's in this category

This collection covers genuine OEM fuel injection pumps for heavy-duty trucks and equipment, built to hold the exact pressure output and timing accuracy the original engine design calls for. New listings are added regularly as inventory expands.

Why order your fuel injection pump here

• Genuine OEM only — every pump is matched to the manufacturer's original part number, not a generic equivalent
• Built for accurate fitment — listings include the exact OEM number so you can verify the right part before you buy
• Fast turnaround — ships quickly to restore full engine performance and keep your vehicle on the road

FAQ

What does a fuel injection pump do? It pressurizes diesel fuel and sends it to the injectors at carefully timed intervals, so each cylinder receives fuel at exactly the right moment for clean combustion.

Signs of a failing fuel injection pump? An engine that's slow or hard to start, a rough idle, noticeable power loss while towing or hauling, worse-than-normal fuel mileage, or unexpected stalling.

Genuine OEM or aftermarket? All parts here are genuine OEM — no generic substitutes.

How do I find the right fuel injection pump? Check the part number stamped on your current pump, or look it up in your engine's service manual, then search that number above to confirm the match.

Browse the full selection below, or search by OEM part number to find your exact match.