CATFuel System

3380912 Cap As-Fuel — Cat 938H 950H

This fuel cap is a vital seal for the fuel tank, preventing contaminants like dirt, water, and debris from entering the fuel system and ensuring safe operation. Made from durable materials designed to withstand fuel exposure and environmental conditions, it provides a secure closure superior to a damaged or missing cap that allows ingress. Operators may notice fuel odors around the tank, or experience engine performance issues if the cap fails to seal properly, allowing contamination.

Cap As-Fuel – Part No 3380912 – 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 Tank Cap
MaterialHeavy-duty plastic with rubber seal
ApplicationFuel tank sealing
Service LifeInspect annually, replace if seal is damaged or cap is loose
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The most immediate symptom of a faulty fuel cap is a persistent fuel odor around the tank area. If the cap's seal is compromised, it can allow moisture and dirt to enter the fuel tank, leading to gradual engine performance degradation, such as hesitation or rough idling. A severely damaged or missing cap can lead to significant fuel contamination, potentially causing damage to the fuel pump and injectors.

Installation Tip

Ensure the fuel tank filler neck is clean and free of debris before installing the new cap to ensure a proper seal. Do not force the cap if it does not thread easily; check for cross-threading or obstructions.

Service Note

Inspect the fuel tank for any signs of internal corrosion or sediment buildup when replacing the fuel cap.