Details

• Brand:

  

  

• SKU:

  FC-975

• Other Names:

  Motorcraft™ Filler Cap, Motorcraft™ Cap Assembly, Motorcraft™ Fuel Cap, Cap Assembly Fuel Tank Filler

• Description:

  This genuine Motorcraft fuel tank filler cap is the non-locking screw-on cap that seals the fuel filler neck and maintains a pressure-tight closure on the fuel system for 1997 through 2005 Ford trucks and vans including F-150 F-250 and E-Series applications. The cap seals the top of the filler pipe to keep fuel vapors contained within the evaporative emissions system while preventing dirt, water, and debris from entering the tank, and its internal gasket and pressure-relief valving allow the tank to breathe safely as fuel level and temperature change. A worn, cracked, or poorly sealing cap is one of the most common causes of an illuminated check engine light with an evaporative emissions leak code, and buyers replacing this part are often chasing that fault, a fuel odor around the filler, a cap that will not click or ratchet tight, or a damaged or missing original cap. Installing a correctly sealing cap restores the closed evaporative system and typically clears the small-leak condition once the code is reset. This is the Motorcraft filler cap listed under part number FC-975 in the non-locking configuration, and it threads onto the original filler neck and ratchets to the proper seal. When installing, turn the cap until it clicks to confirm it has reached the correct sealing point, and inspect the filler neck sealing surface for damage or corrosion that could prevent a good seal. Using the genuine Motorcraft cap ensures the correct thread fit, gasket seal, and pressure-relief behavior the original system was designed around.

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