CATFilters

40668 Fuel Filter 308 1502 Sn — Cat D6N

This is a high-quality fuel filter designed to remove impurities from the diesel fuel supply. It is essential for protecting the engine's fuel injection system from wear and ensuring consistent power output. A clogged filter will restrict fuel flow, leading to engine performance issues and potential stalling.

Fuel Filter 308 1502 Sn – Part No 40668 – 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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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 filter media
ApplicationFuel system
Service LifeReplace every 1,000 hrs or annually
CompatibilityCAT D5R D6N D6K Tractor, 963D Loader
ConditionNew — OEM specification aftermarket

Failure Symptoms

An engine experiencing fuel starvation due to a clogged filter may exhibit hesitation during acceleration, rough idling, or a noticeable loss of power. If the restriction worsens, the engine could stall unexpectedly or fail to start. Prolonged operation with a blocked filter can lead to increased wear on the fuel pump and injectors.

Installation Tip

Ensure the sealing surface on the engine where the filter attaches is clean and free of debris before installation. Always use a new O-ring or gasket provided with the filter, and do not overtighten.

Service Note

When replacing the fuel filter, it is a good practice to inspect the fuel lines for any signs of wear or leaks and to check the fuel tank for any water or sediment accumulation.