CATEngine Parts

164-4858 Locking Fuel Cap — Cat 3054 3126

This is a Locking Fuel Cap, designed to secure the fuel tank and prevent unauthorized access or fuel siphoning. It is constructed from durable materials to resist environmental damage and ensure a proper seal, unlike a worn cap with a damaged seal or lock mechanism. Operators may notice fuel odors around the tank, or find the cap difficult to open or close, indicating a potential issue.

Locking Fuel Cap – Part No 164-4858 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
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

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

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

Part TypeFuel Cap
MaterialPlastic and Metal
ApplicationFuel Tank
Service LifeReplace as needed based on inspection
CompatibilityCAT 3054, 3126, C11, C13, C4.4, C6.6 Engines, 320D
ConditionNew — OEM specification aftermarket

Failure Symptoms

The most immediate symptom of a faulty locking fuel cap is a noticeable fuel odor emanating from the tank area. If the seal is compromised, it can also lead to increased fuel vapor emissions and potentially affect engine performance due to improper crankcase ventilation. Continued use of a damaged cap risks fuel contamination and potential theft.

Installation Tip

Ensure the fuel tank filler neck threads are clean and free of debris before attempting to install the new cap. Do not force the cap if it does not thread easily, as this can damage the threads on both the cap and the filler neck.

Service Note

Inspect the fuel tank filler neck for any cracks or damage when replacing the fuel cap.