Replaces

2003-2004 Isuzu Ascender Fuel Tank Filler Neck

This part replaces:

  • SPECTRA PREMIUM FN727
  • OE # 88983256
  • OE # 15131043

  • New

This replacement fuel filler neck is just what you need to get your vehicle in good working order again!

Specifications:

  • Fuel Tank Filler Neck
  • Replaces dealer part numbers: 15131043, 88983256
  • Direct fit replacement
  • Built to strict quality control standards
  • Replaces any gas tank filler neck that is rusted, rotted, bent, or damaged from an accident

This fuel filler neck is a great replacement and has good cost savings over a gas tank filler neck from the dealer.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

  1. Depressurizing the Fuel System (0:39)
    • Pull up the fuse box cover
    • Start the vehicle
    • Remove the fuel pump relay
    • Allow the engine to run down
    • Turn off the vehicle
    • Push in the fuel pump relay
    • Push on the fuse box cover
  2. Disconnecting the Fuel Hoses (1:17)
    • Raise and secure the vehicle
    • Have a drain pan ready
    • Pull off the fuel drain cap
    • Push the fuel drain valve with a flat blade screwdriver
    • Drain the fuel
    • Disconnect the fuel lines with pliers
    • Loosen the fuel filler neck hose clamp
    • Pull the hose off of the filler neck
  3. Removing the Fuel Tank (3:07)
    • Support the fuel tank with a jack
    • Disconnect the fuel pump wiring harness
    • Remove the four 15mm sockets from the fuel tank cross bar
    • Apply rust penetrant to the gas tank strap bolts
    • Remove the 15mm bolts from the gas tank straps
    • If necessary, cut the bolts off with a reciprocating saw
    • Pull off the front fuel tank strap
    • Bend down the rear fuel tank strap
    • Lower the jack
    • Disconnect the two wiring harnesses at the top of the fuel tank
    • Lower the fuel tank
  4. Installing the Fuel Tank (6:24)
    • Lift the fuel tank into place
    • Support the fuel tank with a jack
    • Connect the wiring harnesses
    • Put the front fuel tank strap into place
    • Insert the 15mm bolt into the strap
    • Remove the four 11mm bolts from the driveshaft
    • Thread the bolts partially
    • Tap out the driveshaft with a hammer
    • Pry out the driveshaft with a pry bar
    • Pull the driveshaft aside
    • Put the rear fuel tank strap into place
    • Insert the 15mm bolt into the strap
    • Put the driveshaft into place
    • Insert the four 11mm bolts into the driveshaft
    • Lower the jack
    • Connect the remaining wiring harnesses
  5. Connecting the Fuel Lines (10:06)
    • Push the hose onto the filler neck
    • Tighten the filler neck hose clamp
    • Push the three fuel lines onto the fuel tank
    • Put the fuel tank crossbar into place
    • Insert the four 15mm bolts into the crossbar
    • Lower the vehicle to the ground

Tools needed for replacement:

    General Tools

  • Drain Pan
  • Floor Jack
  • Hammer
  • Jack Stands
  • Sawzall

  • Materials, Fluids, and Supplies

  • Rust Penetrant

  • Pliers, Cutters & misc Wrenches

  • Needle nose pliers

  • Ratchets & Related

  • Ratchet

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Sockets - Metric

  • 15mm Socket
  • 7mm Socket

  • Wrenches - Metric

  • 11mm Wrench

How-to Video:

(11:15 min)

Tools List:

    General Tools

  • Drain Pan
  • Floor Jack
  • Hammer
  • Jack Stands
  • Sawzall

  • Materials, Fluids, and Supplies

  • Rust Penetrant

  • Pliers, Cutters & misc Wrenches

  • Needle nose pliers

  • Ratchets & Related

  • Ratchet

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Sockets - Metric

  • 15mm Socket
  • 7mm Socket

  • Wrenches - Metric

  • 11mm Wrench



This part replaces:

  • SPECTRA PREMIUM FN727
  • OE # 88983256
  • OE # 15131043

Vehicle Fit

  • 2002-2004 Chevy Trailblazer Fuel Tank Filler Neck
  • 2002-2004 Chevy Trailblazer EXT Fuel Tank Filler Neck
  • 2002-2004 GMC Envoy Fuel Tank Filler Neck
  • 2002-2004 GMC Envoy XL Fuel Tank Filler Neck
  • 2003-2004 Isuzu Ascender Fuel Tank Filler Neck
  • 2002-2004 Olds Bravada Fuel Tank Filler Neck
$130.45
Only 4 left in stock
Part #: 1AFMX00215

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