HomeAir and Fuel Delivery > Fuel StorageSpectra FN851 Fuel Filler Neck
Part #: FN851

Spectra FN851 Fuel Filler Neck

⚙️ 5 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Jeep, Grand Cherokee
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Fuel Tank Filler Neck for Jeep Grand Cherokee

The Spectra FN851 fuel tank filler neck is designed specifically for Jeep Grand Cherokee models, ensuring a precise fit and reliable fuel delivery. This component plays a critical role in maintaining the integrity of your vehicle's fuel system.

  • Compatible with Jeep Grand Cherokee fuel systems
  • Durable construction for long-lasting performance
  • Direct replacement for OEM fuel tank filler neck
  • Part number FN851 for easy identification
  • Ensures proper fuel flow and prevents leaks

Product Details and Compatibility

The Spectra FN851 fuel tank filler neck is engineered to meet the specifications required for Jeep Grand Cherokee vehicles. This part connects the fuel filler cap to the fuel tank, providing a secure and leak-free path for refueling. Manufactured with quality materials, it withstands exposure to fuel and environmental conditions, helping to maintain the vehicle’s fuel system integrity. Using the correct filler neck is essential to avoid fuel vapor leaks and ensure compliance with emissions standards.

Common Applications and Problem Resolution

  • Replacement for cracked or damaged fuel tank filler necks
  • Fixes fuel leaks around the filler area
  • Resolves issues with fuel cap not sealing properly
  • Prevents fuel vapor escape and related check engine lights
  • Restores proper fuel flow during refueling

Installation Notes and Tips

Installation of the Spectra FN851 fuel tank filler neck requires basic mechanical skills and tools. It is recommended to work in a well-ventilated area and ensure the fuel system is depressurized before removal. Verify the part number FN851 matches your vehicle’s requirements. Inspect surrounding components such as the fuel cap and hoses for wear during installation to ensure a complete repair.

Quality Assurance and Warranty

Spectra parts are manufactured to meet or exceed OEM standards for fit and function. The FN851 fuel tank filler neck undergoes quality checks to ensure durability and performance. While specific warranty details may vary, Spectra typically offers coverage against defects in materials and workmanship to provide confidence in your purchase.

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1998JeepGrand Cherokee5.9LV8N/A
1998JeepGrand Cherokee5.2LV8N/A
1998JeepGrand Cherokee4.0LL6N/A
1997JeepGrand Cherokee5.2LV8N/A
1997JeepGrand Cherokee4.0LL6N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

52100380AA52127949577851FNJP001JLCJP001JP001TNKFN851

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.