Spectra FN725 Fuel Filler Neck

Brand Spectra FN725
Fits Ford · 191 vehicles

OE direct replacement. Meets or exceeds original equipment performance.

Fuel tank filler neck for dependable fuel delivery.

Cross-references 577219, E7TZ9034B and F026 for the same application. See all 8.

$152.90Free shipping
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Spectra FN725 Fuel Tank Filler Neck

The Spectra FN725 fuel tank filler neck is an OE-style replacement for select Ford trucks with after axle tank configurations. It is built to match original equipment performance expectations for dependable fuel filling and tank connection service.

  • Fuel tank filler neck for select Ford F-150, F-250, F-250 HD, and F-350 applications
  • Fits 1987-1997 Ford F-250, after axle tank
  • Fits 1987-1997 Ford F-350, after axle tank, with single rear wheel (SRW)
  • Fits 1996-1997 Ford F-150, after axle tank, old body style
  • Fits 1997 Ford F-250 HD, after axle tank, old body style
  • OE-style replacement engineered to meet or exceed original equipment performance

Fitment Details

Compatible with Ford truck fuel system service where the filler neck has corroded, cracked, or no longer seals correctly at the tank connection. This part cross-references Ford OE number E7TZ9034B and TNK FN725 for the same application.

Use the Spectra FN725 when servicing a 1996-1997 Ford F-150, 1987-1997 Ford F-250, 1997 Ford F-250 HD, or 1987-1997 Ford F-350 with the listed tank and body-style notes. The part number FN725 is also commonly searched as a direct replacement fuel filler neck for these Ford truck applications.

Common Problems It Can Solve

  • Fuel splash-back or slow refueling caused by a damaged filler neck
  • Rust or corrosion at the tank inlet area
  • Fuel odor from a cracked or leaking neck assembly
  • Poor fuel nozzle seating during fill-ups
  • Replacement needs after body or tank service on older Ford trucks

Installation Notes

Verify the vehicle year, body style, tank location, and rear axle configuration before ordering. This filler neck is listed for after axle tank applications only, with notes that vary by model year and trim. Compare the original part shape and mounting points to the existing neck before installation.

Quality Assurance

Spectra Premium fuel filler necks are engineered and manufactured with quality control processes intended to match original equipment performance standards. The FN725 is built as a direct-fit replacement for the specified Ford truck applications.

This part fits 191 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersFuel TypePositionNotes
1997FordF-150—5.4LV8—N/AAfter Axle Tank; Old Body Style
1997FordF-150—4.9LL6—N/AAfter Axle Tank; Old Body Style
1997FordF-150—4.6LV8—N/AAfter Axle Tank; Old Body Style
1997FordF-150—4.2LV6—N/AAfter Axle Tank; Old Body Style
1997FordF-250—5.8LV8—N/AAfter Axle Tank
1997FordF-250—5.4LV8GASN/AAfter Axle Tank
1997FordF-250—5.0LV8—N/AAfter Axle Tank
1997FordF-250—4.6LV8—N/AAfter Axle Tank
1997FordF-250 HD—7.5LV8—N/AAfter Axle Tank; Old Body Style
1997FordF-250 HD—5.8LV8—N/AAfter Axle Tank; Old Body Style
1997FordF-350Standard Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1997FordF-350Extended Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1997FordF-350Crew Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1997FordF-350Standard Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1997FordF-350Extended Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1997FordF-350Crew Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1997FordF-350Standard Cab Pickup5.0LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1996FordF-150—5.8LV8—N/AAfter Axle Tank; Old Body Style
1996FordF-150—5.0LV8—N/AAfter Axle Tank; Old Body Style
1996FordF-150—4.9LL6GASN/AAfter Axle Tank; Old Body Style
1996FordF-250—7.5LV8—N/AAfter Axle Tank
1996FordF-250—5.8LV8—N/AAfter Axle Tank
1996FordF-250—5.0LV8—N/AAfter Axle Tank
1996FordF-250—4.9LL6GASN/AAfter Axle Tank
1996FordF-350Standard Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1996FordF-350Extended Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1996FordF-350Crew Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1996FordF-350Standard Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1996FordF-350Extended Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1996FordF-350Crew Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1996FordF-350Standard Cab Pickup5.0LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1996FordF-350Standard Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW); Old Body Style
1996FordF-350Extended Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW); Old Body Style
1996FordF-350Crew Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW); Old Body Style
1995FordF-150—5.8LV8—N/AAfter Axle Tank
1995FordF-150—5.0LV8—N/AAfter Axle Tank
1995FordF-150—4.9LL6GASN/AAfter Axle Tank
1995FordF-250—7.5LV8—N/AAfter Axle Tank
1995FordF-250—5.8LV8—N/AAfter Axle Tank
1995FordF-250—5.0LV8—N/AAfter Axle Tank
1995FordF-250—4.9LL6GASN/AAfter Axle Tank
1995FordF-350Standard Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1995FordF-350Extended Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1995FordF-350Crew Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1995FordF-350Standard Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1995FordF-350Extended Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1995FordF-350Crew Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1995FordF-350Standard Cab Pickup5.0LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1995FordF-350Standard Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1995FordF-350Extended Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1995FordF-350Crew Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1994FordF-150—5.8LV8—N/AAfter Axle Tank
1994FordF-150—5.0LV8—N/AAfter Axle Tank
1994FordF-150—4.9LL6—N/AAfter Axle Tank
1994FordF-150—3.8LV6—N/AAfter Axle Tank
1994FordF-250—7.5LV8—N/AAfter Axle Tank
1994FordF-250—5.8LV8—N/AAfter Axle Tank
1994FordF-250—5.0LV8—N/AAfter Axle Tank
1994FordF-250—4.9LL6—N/AAfter Axle Tank
1994FordF-350Standard Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1994FordF-350Extended Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1994FordF-350Crew Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1994FordF-350Standard Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1994FordF-350Extended Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1994FordF-350Crew Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1994FordF-350Standard Cab Pickup5.0LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1994FordF-350Standard Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1994FordF-350Extended Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1994FordF-350Crew Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1993FordF-150—5.8LV8—N/AAfter Axle Tank
1993FordF-150—5.0LV8—N/AAfter Axle Tank
1993FordF-150—4.9LL6—N/AAfter Axle Tank
1993FordF-150—3.8LV6—N/AAfter Axle Tank
1993FordF-250—7.5LV8—N/AAfter Axle Tank
1993FordF-250—5.8LV8—N/AAfter Axle Tank
1993FordF-250—5.0LV8—N/AAfter Axle Tank
1993FordF-250—4.9LL6—N/AAfter Axle Tank
1993FordF-350Standard Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1993FordF-350Extended Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1993FordF-350Crew Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1993FordF-350Standard Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1993FordF-350Extended Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1993FordF-350Crew Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1993FordF-350Standard Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1993FordF-350Extended Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1993FordF-350Crew Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1992FordF-150—5.8LV8—N/AAfter Axle Tank
1992FordF-150—5.0LV8—N/AAfter Axle Tank
1992FordF-150—4.9LL6—N/AAfter Axle Tank
1992FordF-150—3.8LV6—N/AAfter Axle Tank
1992FordF-250—7.5LV8—N/AAfter Axle Tank
1992FordF-250—5.8LV8—N/AAfter Axle Tank
1992FordF-250—5.0LV8—N/AAfter Axle Tank
1992FordF-250—4.9LL6—N/AAfter Axle Tank
1992FordF-350Standard Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1992FordF-350Extended Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1992FordF-350Crew Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1992FordF-350Standard Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1992FordF-350Extended Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1992FordF-350Crew Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1992FordF-350Standard Cab Pickup5.0LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1992FordF-350Standard Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1992FordF-350Extended Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1992FordF-350Crew Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1991FordF-150—5.8LV8—N/AAfter Axle Tank
1991FordF-150—5.0LV8—N/AAfter Axle Tank
1991FordF-150—4.9LL6—N/AAfter Axle Tank
1991FordF-150—3.8LV6—N/AAfter Axle Tank
1991FordF-250—7.5LV8—N/AAfter Axle Tank
1991FordF-250—5.8LV8—N/AAfter Axle Tank
1991FordF-250—5.0LV8—N/AAfter Axle Tank
1991FordF-250—4.9LL6—N/AAfter Axle Tank
1991FordF-350Standard Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1991FordF-350Extended Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1991FordF-350Crew Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1991FordF-350Standard Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1991FordF-350Extended Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1991FordF-350Crew Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1991FordF-350Standard Cab Pickup5.0LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1991FordF-350Standard Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1991FordF-350Extended Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1991FordF-350Crew Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1990FordF-150—5.8LV8—N/AAfter Axle Tank
1990FordF-150—5.0LV8—N/AAfter Axle Tank
1990FordF-150—4.9LL6—N/AAfter Axle Tank
1990FordF-150—3.8LV6—N/AAfter Axle Tank
1990FordF-250—7.5LV8—N/AAfter Axle Tank
1990FordF-250—5.8LV8—N/AAfter Axle Tank
1990FordF-250—5.0LV8—N/AAfter Axle Tank
1990FordF-250—4.9LL6—N/AAfter Axle Tank
1990FordF-350Standard Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1990FordF-350Extended Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1990FordF-350Crew Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1990FordF-350Standard Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1990FordF-350Extended Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1990FordF-350Crew Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1990FordF-350Standard Cab Pickup5.0LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1990FordF-350Standard Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1990FordF-350Extended Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1990FordF-350Crew Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1989FordF-150—5.8LV8—N/AAfter Axle Tank
1989FordF-150—5.0LV8—N/AAfter Axle Tank
1989FordF-150—4.9LL6—N/AAfter Axle Tank
1989FordF-150—3.8LV6—N/AAfter Axle Tank
1989FordF-250—7.5LV8—N/AAfter Axle Tank
1989FordF-250—5.8LV8—N/AAfter Axle Tank
1989FordF-250—5.0LV8—N/AAfter Axle Tank
1989FordF-250—4.9LL6—N/AAfter Axle Tank
1989FordF-350Standard Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1989FordF-350Extended Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1989FordF-350Crew Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1989FordF-350Standard Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1989FordF-350Extended Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1989FordF-350Crew Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1989FordF-350Standard Cab Pickup5.0LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1989FordF-350Standard Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1989FordF-350Extended Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1989FordF-350Crew Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1988FordF-150—5.8LV8—N/AAfter Axle Tank
1988FordF-150—5.0LV8—N/AAfter Axle Tank
1988FordF-150—4.9LL6—N/AAfter Axle Tank
1988FordF-150—3.8LV6—N/AAfter Axle Tank
1988FordF-250—7.5LV8—N/AAfter Axle Tank
1988FordF-250—5.8LV8—N/AAfter Axle Tank
1988FordF-250—5.0LV8—N/AAfter Axle Tank
1988FordF-250—4.9LL6—N/AAfter Axle Tank
1988FordF-350Standard Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1988FordF-350Extended Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1988FordF-350Crew Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1988FordF-350Standard Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1988FordF-350Extended Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1988FordF-350Crew Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1988FordF-350Standard Cab Pickup5.0LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1988FordF-350Standard Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1988FordF-350Extended Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1988FordF-350Crew Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1987FordF-150—5.8LV8—N/AAfter Axle Tank
1987FordF-150—5.0LV8—N/AAfter Axle Tank
1987FordF-150—4.9LL6—N/AAfter Axle Tank
1987FordF-150—3.8LV6—N/AAfter Axle Tank
1987FordF-250—7.5LV8—N/AAfter Axle Tank
1987FordF-250—5.8LV8—N/AAfter Axle Tank
1987FordF-250—5.0LV8—N/AAfter Axle Tank
1987FordF-250—4.9LL6—N/AAfter Axle Tank
1987FordF-350Standard Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1987FordF-350Crew Cab Pickup7.5LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1987FordF-350Standard Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1987FordF-350Crew Cab Pickup5.8LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1987FordF-350Standard Cab Pickup5.0LV8—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1987FordF-350Standard Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
1987FordF-350Crew Cab Pickup4.9LL6—N/AAfter Axle Tank; w/ Single Rear Wheel (SRW)
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
577219E7TZ9034BF026FNF026FNSF026FNSF026BJLCF026TNKFN725