When your heavy-duty machinery demands precision, the fuel system is the heart of its performance. We provide premium CAT Fuel Pump replacements designed to restore the power and efficiency of your Caterpillar equipment. Whether you are searching for part number 1052505 (105-2505), 4W0788 (4W-0788), 4N2511 (4N-2511), or 6N6800 (6N-6800), our components meet strict OEM standards to ensure your engine runs smoothly under the toughest conditions.
Follow Our Latest Engine Parts Updates on FacebookChoosing between a generic pump and an OEM-standard replacement can determine the lifespan of your engine. Review our core procurement analysis below:
| Core Buying Factor | Our OEM-Standard Replacement | Low-Cost Market Alternatives |
|---|---|---|
| Material Composition | High-grade forged steel & Tri-metal structure | Standard cast iron or recycled alloys |
| Precision Engineering | Micron-level tolerance for 1052505 / 4W0788 | Variable quality control, potential fitment issues |
| Sealing Technology | High-temperature resistant Fluorine rubber | Standard nitrile rubber (prone to leakage) |
| Delivery Speed | In-stock, immediate global dispatch | Long lead times or drop-shipping delays |
| Durability Test | 5000+ hour stress-tested performance | Untested, high failure rate under load |
| Technical Support | Free expert maintenance & inspection advice | No after-sales technical guidance |
Ensure the perfect match for your equipment overhaul or routine maintenance. Below are the verified specifications for our current inventory:
| Product Name | Fuel Injection Pump / Transfer Pump |
| Part Numbers | 1052505 (105-2505), 4W0788 (4W-0788), 4N2511 (4N-2511), 6N6800 (6N-6800) |
| Condition | Brand New, OEM Standard Replacement |
| Application | CAT Engine rebuild, overhaul, and industrial maintenance |
| Payment Terms | T/T, Western Union, MoneyGram |
| Delivery Methods | Express (DHL, Fedex, EMS, UPS), Air Freight, Sea Freight |
| MOQ | 1 Piece |
| Packaging | Industrial Export Packing for maximum protection |
Common symptoms include hard starting, erratic idling, and a significant loss of horsepower under load. If you notice black smoke or increased fuel consumption, it is time to inspect your CAT 4W0788 or 1052505 unit for internal wear or pressure loss.
Pressure drops in 4N2511 or 6N6800 systems are often caused by worn plungers or compromised seals. Using an OEM-standard replacement with a tri-metal structure ensures consistent pressure delivery, preventing engine stalling and protecting your fuel injectors from damage.
Our units feature an OEM-standard tri-metal structure, ensuring superior heat dissipation and wear resistance. This technology is trusted by repair shops and equipment fleets worldwide for its reliability in extreme environments.
Our team of engine specialists helps operators minimize downtime and maximize ROI. We provide a comprehensive support framework:
Identify potential risks during your scheduled maintenance to prevent catastrophic failure.
Recommend suitable replacement parts based on your specific engine serial number and operating conditions.
Support both inspection advice and professional parts supply for global shipping.
Reliable maintenance starts with the right information. Don't let a minor fuel issue lead to a major engine overhaul.
Enter your details below to receive availability and pricing for CAT 1052505, 4W0788, 4N2511, 6N6800, or any other engine components.
About Our Company & Engine Solutions:
We specialize in providing complete engine assemblies and high-quality spare parts for world-leading brands including Caterpillar, Cummins, Komatsu, Isuzu, Kubota, Yanmar, and Weichai. Our core inventory focuses on engine longevity and performance, offering a wide range of components such as: Liner Kits, Precision Pistons, Piston Rings, Crankshaft Main Bearings, Connecting Rod Bearings, Thrust Washers, Full Overhaul Gasket Kits, Diesel Fuel Injection Pumps, High-Pressure Injectors, Forged Crankshafts, Turbochargers, High-Flow Water Pumps, Oil Pumps, Cylinder Blocks, Cylinder Heads, and Heavy-Duty Connecting Rods.
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