CATFuel System

2552969 Pump Gp-Fuel Priming — Cat 311C 312C

This is a fuel priming pump assembly designed to supply fuel to the engine's injection system, ensuring proper fuel flow and pressure. It is manufactured to meet stringent quality standards, offering superior durability and performance compared to a worn or failing pump that may exhibit internal leaks or reduced flow. Operators may notice hard starting, engine stalling, or a complete loss of power when this component fails.

Pump Gp-Fuel Priming – Part No 2552969 – CAT Spare Part
Part Specifications
BrandCAT
CategoryFuel System
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Use clean, filtered fuel — fuel injection components have micron-level tolerances. Prime fuel system before cranking to avoid dry-start damage. Replace fuel filter whenever servicing injection components. Calibrate injectors after replacement if equipment has ECU.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeFuel Priming Pump Assembly
MaterialMetal and durable polymers
ApplicationEngine fuel system
Service LifeReplace every 3,000 hrs or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing fuel priming pump include difficulty in starting the engine, especially when cold. If ignored, the engine may begin to stall intermittently during operation or lose power under load. Continued operation with a faulty pump risks fuel starvation to the injection system, potentially leading to more severe engine damage.

Installation Tip

Ensure the fuel tank is adequately filled before starting the priming process to prevent air from being drawn into the system. Avoid overtightening the pump mounting bolts, as this can distort the housing and cause leaks.

Service Note

Inspect and replace the fuel filter and water separator concurrently with the fuel priming pump.