CATEngine Parts

142-8939 Locking Fuel Cap — Cat 216 226

This is a locking fuel cap designed to secure the fuel tank and prevent unauthorized access or fuel siphoning. It is manufactured with durable materials and a reliable locking mechanism to ensure a tight seal, unlike a damaged or missing cap that can lead to fuel contamination or evaporation. Operators may notice fuel odors around the filler neck, potential fuel loss, or debris entering the fuel tank when a fuel cap is compromised.

Locking Fuel Cap – Part No 142-8939 – 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 TypeLocking Fuel Cap
MaterialPlastic, rubber seal
ApplicationFuel tank filler neck
Service LifeReplace as needed due to wear or damage
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A compromised fuel cap may first be noticed by a fuel smell around the filler neck or a loose fit that doesn't seal properly. If left unaddressed, dirt, water, and other debris can enter the fuel tank, leading to fuel system contamination and potential engine performance issues. The worst consequence is significant fuel loss through evaporation or spillage, and severe contamination that can damage fuel injectors and pumps.

Installation Tip

Ensure the fuel tank filler neck is clean and free of debris before installing the new cap to prevent contamination. Always listen for the 'click' to confirm the cap is properly sealed.

Service Note

Inspect the fuel tank filler neck for any damage or wear that could prevent the new cap from sealing correctly.