VolvoEngine Parts

3176539 Ad Blue Tank Cap — Volvo FMX FE Series trucks — FH400

This AdBlue tank cap is designed to seal the Diesel Exhaust Fluid (DEF) tank on Volvo trucks, preventing contamination and ensuring the proper delivery of DEF to the SCR system. Manufactured to precise OEM specifications, it offers a secure fit and durable seal, unlike damaged or missing caps that allow dirt and moisture ingress. Operators may notice dashboard warning lights related to the SCR system, reduced engine power, or DEF quality error messages if the cap is compromised or missing.

Ad Blue Tank Cap – Part No 3176539 – Volvo Spare Part
Part Specifications
BrandVolvo
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

Cross-reference part number with serial number before ordering to confirm fitment. Keep original parts until new ones are confirmed correct. Record part numbers replaced for future reference.

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

Part TypeAdBlue Tank Cap
MaterialHDPE plastic
ApplicationDiesel Exhaust Fluid (DEF) tank
Service LifeReplace if damaged or seal is compromised
CompatibilityVolvo FH, FM, FMX, FL, FE Series
ConditionNew — OEM specification aftermarket

Failure Symptoms

A compromised or missing AdBlue tank cap can lead to contamination of the Diesel Exhaust Fluid, initially triggering SCR system warning lights on the dashboard. If the contamination progresses, the truck's engine performance may be reduced, and DEF quality error messages could appear. The ultimate consequence is the inability to start the vehicle after a shutdown due to persistent SCR system faults.

Installation Tip

Ensure the threads on both the tank opening and the cap are clean and free of debris before attempting to screw the cap on. Do not force the cap; it should thread on smoothly if aligned correctly.

Service Note

Inspect the DEF fluid level and check the DEF injector and lines for any signs of blockage or leakage when servicing the AdBlue tank cap.