Product Details

CAT 4W0788 Fuel Transfer Pump 1052508

Premium OEM-Quality Fuel System Solutions for Heavy-Duty Equipment Maintenance

Reliable Fuel Delivery with Part Number 1052508

When your machinery demands precision, the CAT 4W0788 fuel transfer pump, specifically Part Number 1052508, stands as the industry benchmark. Whether you are performing a complete engine rebuild or routine maintenance, ensuring a steady fuel flow is critical for preventing engine cavitation and power loss. This 1052508 pump is engineered to meet or exceed original equipment standards, providing a seamless fit for your Caterpillar equipment.

Note for technicians: This part is also identified as 1052508 (no dashes) or 105-2508 in various technical manuals.

6 Critical Purchasing Factors: 1052508 vs Generic Alternatives

Core Requirement	Premium 1052508 Replacement	Generic Cheap Alternatives
1. Material Integrity	High-grade anti-corrosive alloy casing	Recycled aluminum or thin-wall casting
2. Internal Seals	Viton or OEM-spec fluorocarbon seals	Standard rubber (prone to fuel swelling)
3. Pressure Consistency	Precision-calibrated spring valves	Fluctuating pressure leads to injector wear
4. Service Life	Tested for 10,000+ operating hours	Unpredictable failure within 1,000 hours
5. Installation Fit	100% direct bolt-on for 4W0788 models	Required modification or causes leaks
6. Warranty Support	Full manufacturing defect coverage	No-return policy once fuel enters the pump

Technical Specifications for 1052508 Fuel Pump

Model NO.	4W0788 / 1052508	Part Number	1052508 (105-2508)
Product Name	Fuel Transfer Pump / Supply Pump	Condition	Brand New, OEM Standard Replacement
Engine Type	Diesel Internal Combustion	Application	Engine rebuild, overhaul, maintenance
MOQ	1 Piece	Stock Status	In Stock / Fast Dispatch
Payment Terms	T/T, Western Union, MoneyGram	Packaging	Industrial Export Packing
Delivery Methods	Express: DHL Fedex EMS UPS or by Air/ Sea

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Maintenance FAQ & Long-Tail Search Insights

Why is my CAT 4W0788 engine losing power under load?

Power loss is often traced back to the 1052508 fuel transfer pump failing to maintain adequate pressure to the injection pump. Check for air bubbles in the fuel line or a worn internal check valve within the 1052508 assembly. Replacing with a fresh unit usually restores full torque.

What are the symptoms of a failing 1052508 fuel supply pump?

Common symptoms include hard starting (excessive cranking), engine surging, and visible fuel leaks around the pump housing. If you notice diesel mixing with engine oil, your 1052508 shaft seal may have failed, necessitating an immediate replacement to avoid engine damage.

How often should I replace the fuel transfer pump on heavy equipment?

While there is no fixed interval, we recommend inspecting the 1052508 pump every 2,000 hours. In high-dust or low-fuel-quality environments, proactive replacement prevents costly downtime during peak operation seasons.

Why Choose This Fuel Transfer Pump?

Our 1052508 units feature an OEM-standard tri-metal structure for maximum durability. They are trusted by professional repair shops and global equipment fleets for their reliability in extreme conditions.

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Professional Search Keywords: Engine overhaul gasket kits, connecting rod bearings, thrust washers, diesel injection pumps, high-pressure injectors, forged crankshafts, turbocharger replacements, engine water pumps, oil pump assemblies, cylinder blocks, cylinder heads, connecting rods, heavy-duty engine rebuild kits, diesel engine spare parts supplier, industrial machinery components, aftermarket engine parts, OEM standard piston kits, fuel system maintenance, engine cooling parts, and high-torque engine components.

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