This is a fuel tank cap designed to seal the fuel filler neck on Volvo FH12, FH16, and other compatible heavy-duty trucks. It is constructed from durable materials to prevent fuel vapor escape and contamination, ensuring it functions correctly unlike a worn or loose cap that may not seal properly. Operators might notice a fuel smell around the tank, a check engine light related to evaporative emissions, or fuel siphoning if this cap is damaged or missing.
Always verify with serial number before ordering.
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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.
A loose or damaged fuel cap may cause a fuel odor around the vehicle and illuminate the check engine light due to evaporative emissions system faults. If the seal fails completely, it can lead to increased fuel vapor loss and potential contamination of the fuel tank.
Ensure the fuel filler neck threads are clean before screwing on the new cap to prevent cross-threading. Listen for the characteristic clicks to confirm the cap is properly secured.
Inspect the fuel tank filler neck for any damage or debris that could interfere with the cap's seal.