Fuel Injectors

Genuine OEM Fuel Injectors

A clogged, leaking, or worn fuel injector can cause misfires, rough idle, poor fuel economy, loss of power, or excessive smoke from the exhaust. Because the injector must atomize and time fuel delivery with extreme precision on every cycle, a wrong or generic replacement often can't match the manufacturer's spray pattern or flow rate — leading to poor combustion, engine damage, or a breakdown on the road. That's why every fuel injector 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 injectors for heavy-duty trucks and equipment, engineered to deliver precise, consistent fuel atomization and timing within the manufacturer's original engine specifications. New listings are added regularly as inventory expands.

Why order your fuel injectors here

• Genuine OEM only — every injector 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 injector do? It sprays a precisely measured, atomized amount of fuel into the engine's cylinders at the exact moment needed for efficient combustion.

Signs of a failing fuel injector? Rough idle or misfiring, poor fuel economy, hard starts, engine hesitation or loss of power, black smoke from the exhaust, or a strong fuel smell.

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

How do I find the right fuel injector? Match the OEM number on your old injector, or check your engine's service manual for the correct part number and cylinder position, then search that number above.

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