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The Caterpillar diesel fuel injection pump is designed to provide accurate fuel delivery, stable injection pressure, and reliable engine performance. It is suitable for a wide range of CAT diesel engines including 3066, 3306, 3116, 3408, 3512, 3516, C15, C9, C7.1, C6.6, C6.4, C7, C2.2, C2.4, C4.4, and 3412 engines used in excavators, construction machinery, mining equipment, and industrial applications.
The fuel injection pump is the metering heart of a modern diesel engine. It pressurises fuel, holds it at a steady pressure and releases the exact quantity at the exact moment each cylinder needs it — the difference between an engine that pulls cleanly and one that hunts at idle, smokes under load or slowly loses power as the pump wears.
This replacement unit is built for the long spread of Caterpillar diesel engines used in earthmoving, mining, quarrying and power generation, from compact industrial installations up to large mining and generator workhorses. Precision-machined pump elements, wear-resistant internal components and a sealing system designed for pressurised diesel keep fuel metering accurate and injection timing correct, so combustion stays efficient and throttle response stays smooth.
Repair workshops, fleet maintenance teams, machinery dealers and diesel engine manufacturers rebuilding Caterpillar equipment order it as a direct replacement for a worn, leaking or unstable original. Mounting pattern, drive and fuel connections follow the original layout, so the swap fits into a normal service window instead of turning into a fabrication job.
| Item | Value |
|---|---|
| Condition | New |
| Product name | Engine Diesel Pump |
| Brand name | lanxin |
| Model reference | 3306 |
| Place of origin | China |
| Application | Excavator spare parts |
| Applicable industries | Building Material Shops, Machinery Repair Shops, Manufacturing Plant, Retail, Construction works , Energy & Mining, Other |
| Warranty | 6 months |
| Video outgoing-inspection | Provided |
| Machinery test report | Provided |
| Marketing type | Ordinary Product |
| After-sales service | Video technical support |
| Package size, single item | 20 × 20 × 20 cm |
| Gross weight, single item | 10.000 kg |
A pump is rarely the only item a rebuild needs, and buying the rest from the same supplier saves a second freight bill and a second wait. Alongside this unit we supply fuel injectors, turbochargers, complete diesel engine assemblies, cylinder heads and cylinder blocks, crankshafts, camshafts, overhaul kits, starter motors, alternators, ECUs, hydraulic pumps and the everyday spares that keep Caterpillar industrial engines working.
For a workshop or a diesel engine manufacturer handling a full engine job, that means one enquiry, one consolidated shipment and one set of export documents.
Dealers who keep fuel injection pump parts on the shelf for a mixed fleet can top up the same order with the fast-moving Caterpillar engine parts they already stock. Send the engine model and a list of what you hold, and we will tell you which of these are normally replaced at the same interval.
Choosing the right reference is where most orders succeed or fail, so our team works with you before you commit: send the equipment details and the numbers you already have, and we will cross-check them against the options our supplier network holds, confirm the details that decide fitment, and suggest an alternative when a number has been replaced. After delivery we stay reachable by email, phone and video for installation questions and fault-finding. Founded in 2008 and based in Guangzhou, we export to Asia, Europe, Africa, the Americas and Oceania.
It covers the 3000 series — 3066, 3306 and 3116 — the 3408, 3412, 3512 and 3516, and the C-series range from C2.2, C2.4, C4.4, C6.4, C6.6 and C7 through C7.1, C9 and C15. Each family uses its own build, so confirm the engine model on the plate and the number on the old unit before ordering.
Caterpillar excavators, wheel loaders and bulldozers, mining and quarry machines, generator sets, and stationary or mobile equipment built around Caterpillar industrial engines. A Caterpillar excavator engine is the most common application we ship for, but the same range covers loaders and dozers of the same era as well as industrial power units.
It restores accurate fuel metering and correct injection timing, which is what Caterpillar diesel engines need in order to pull full power cleanly: stable injection pressure, even delivery across the cylinders, better combustion, lower fuel consumption on the same workload and a smoother response from idle to full load.
Yes. Every unit is calibrated for fuel delivery, pressure-tested, checked for leakage at the seals and joints, verified on key dimensions and run through a performance check before it is packed. If you need proof for your own file, the machinery test report and the outgoing inspection video can be included with the order.
Fuel injectors, turbochargers, complete diesel engine assemblies, cylinder heads, cylinder blocks, crankshafts, camshafts, overhaul kits, starter motors, alternators, ECUs, hydraulic pumps and the general run of construction machinery spares. We also supply fuel injection pump parts for other Caterpillar engine models, so a mixed fleet can usually be covered in one order.
Send the number stamped on the old unit, the engine model and serial, and a photo of the flange and linkage. If that number has been replaced, we match on the engine and machine details instead of the number alone and confirm the build with you before the order is released. Keep the old unit until the new one is running.
