Fuel Tank Filler Neck - 1AFMX00040

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How-To & Tools
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Vehicle Fit


  • Direct replacement
  • Built to strict quality control standards
  • This part replaces the top steel section that the gas cap attaches to. This section is prone to rotting and rusting out. Buyer will need to reuse molded hose
  • Not offered separately from the dealer
  • Only fits styleside pickup trucks. The styleside bed is the more common as opposed to the flareside aka stepside bed such as on a Splash

Item Condition: New

Attention California Customers:

WARNING: Cancer and Reproductive Harm -

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.

  1. step : Remove the fuel tank filler neck (1:31)
    • Pop the gas hatch and remove the gas cap.
    • Remove the three 7 mm bolts.
    • Raise and secure the vehicle.
    • Pull the fuel filler neck down.
    • Hit the bolt with some penetrating oil.
    • Use your 5/16â€� socket to loosen the clamp and disconnect the fuel filler neck.
    • Use a flat blade screwdriver to break the seal to remove the hose if necessary.
  2. step : Install the new filler neck (4:05)
    • Apply penetrating oil to the inner tube on the new filler neck to slide it into the hose easier.
    • Tighten up the clamps.
    • Bolt the filler neck in with your 7 mm socket and ratchet and the three bolts.
    • Replace your gas cap and close the little door latch.

Tools needed for replacement:

    Materials, Fluids, and Supplies

  • Rust Penetrant

  • Pliers, Cutters & misc Wrenches

  • Needle nose pliers

  • Ratchets & Related

  • Ratchet
  • Socket Extensions

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Sockets - Metric

  • 7mm Socket

  • Sockets - SAE

  • 5/16 Inch Socket

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Year Make Model Description
1989-1997Ford Ranger Ford Ranger Styleside Bed Upper Fuel Tank Filler Neck
1994-1997Mazda B2300 Truck Mazda B2300 Truck Styleside Bed Upper Fuel Tank Filler Neck
1994-1997Mazda B3000 Truck Mazda B3000 Truck Styleside Bed Upper Fuel Tank Filler Neck
1994-1997Mazda B4000 Truck Mazda B4000 Truck Styleside Bed Upper Fuel Tank Filler Neck
Part #: 1AFMX00040

Order must be placed by 4pm ET
Delivery options for:

Estimated Arrival Cost

Deliveries made to PO Boxes and FPO may take longer. See our Shipping & Delivery for more information.

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

How-to Video:

(07:53 min)