CATFilters

3505171 Fuel Filter — Cat AP-650B AP-800D

This is a high-quality fuel filter designed to capture fine particulate matter and impurities from diesel fuel before it enters the engine's combustion system. Manufactured to meet stringent OEM quality standards, it ensures optimal fuel delivery and engine longevity compared to a clogged or damaged filter. Operators may notice a loss of engine power, rough idling, or increased exhaust emissions when this filter begins to fail.

Fuel Filter – Part No 3505171 – CAT Spare Part
Part Specifications
BrandCAT
CategoryFilters
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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Full shipping information on regional pages · Air freight 2–12 days · GST invoice for India

Installation & Application Notes

Never run an engine without a filter — even briefly causes abrasive damage. Pre-fill fuel filters with clean fuel before fitting to reduce prime time. Replace O-rings on filter housings every second service. Record change dates on filter housing.

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

Part TypeFuel Filter
MaterialAdvanced Synthetic Media
ApplicationFuel System
Service LifeReplace every 500 hrs or annually
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing fuel filter can initially cause a gradual decrease in engine power, especially under load. If the blockage worsens, the engine may begin to run rough, hesitate during acceleration, or experience intermittent stalling. Continued operation with a severely clogged filter can starve the engine of fuel, leading to shutdown and potential damage to the fuel pump.

Installation Tip

Prime the new fuel filter with clean diesel fuel before installation to prevent air from entering the fuel system. Ensure the sealing gasket makes full contact and the filter is hand-tightened, then snugged slightly per manual instructions.

Service Note

Inspect the fuel tank for sediment and check the fuel lines for any signs of leaks when replacing the fuel filter.