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1966-1977 Ford Bronco TANK FILLER GUARD SET, part number FB6409
CLASSIC PARTS GARAGE · SCHEMATIC
FB6409
FB6409Golden StarLeft / driver

1966-1977 Ford Bronco TANK FILLER GUARD SET

Restore the factory-style protection around the fuel filler area with this tank filler guard set for 1966–1977 Ford Bronco. Made as a sheet-metal replacement for damaged, rusted, or missing originals, the set helps shield the filler pipe area while recreating the correct Early Bronco body structure.

In stock12 Months

Not concours correct

The Early Bronco uses formed sheet metal around the fuel filler pipe where the filler passes through the body structure. This guard set recreates those protective pieces and their original-style contours.

$105.00
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003Specification

What it is

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1966–1977 Ford Bronco Tank Filler Guard Set Product Description Shop 1966–1977 Ford Bronco tank filler guard set for a cleaner fuel-filler area restoration. Replacing used Bronco filler guards can help repair rusted, weakened, damaged, or missing sheet metal around the fuel neck. Order Early Bronco tank filler guard set for body repair, fuel-system restoration, or complete classic truck rebuilding. Designed for compatible first-generation Broncos, this front-and-rear guard set recreates the protective sheet metal surrounding the fuel filler pipe. The formed pieces fit around the wheelhouse and inner quarter-panel area, helping return the body structure closer to its original configuration. It is a practical solution for rust repair or restoration work where the original filler-neck protection has deteriorated after decades of use. Key Features Fits compatible 1966–1977 Ford Bronco Front and rear fuel filler guards Factory-style formed sheet-metal design Protects and reinforces the filler-neck area Helps replace rusted or missing original metal Suitable for body restoration and rust repair Designed around Early Bronco body contours Weld-in restoration component Works with compatible factory-style filler systems Ideal for classic Bronco rebuild projects Product Specifications Specification Details Product Type Tank Filler Guard Set Vehicle Make Ford Model Bronco Model Years 1966–1977 Generation First Generation / Early Bronco Position Fuel Filler / Inner Quarter Area Material Formed Steel Pieces Front & Rear Guards Installation Weld-In / Body Repair Application Restoration / Rust Repair Why Replace the Filler Guards? The fuel filler area is exposed to moisture, road debris, dirt, and decades of vibration. Original guard panels can rust through, crack, or disappear during previous body repairs. Replacing these panels helps restore the protective structure around the filler neck and gives the surrounding wheelhouse and quarter-panel area a more complete factory-style finish.

Features
  • Fits 1966–1977 Ford Bronco
  • Fuel tank filler guard / filler pipe protection set
  • Made from stamped steel
  • United Pacific version uses 17-gauge sheet metal
  • Reproduces the original curvature and detail
  • Designed for attachment around the wheelhouse and inner quarter panel
  • Helps replace rusted or damaged factory sheet metal
  • Suitable for restoration and collision/rust repair
  • Weldable-primer finish on comparable United Pacific reproduction
  • Front and rear guards included in the set
  • Helps restore structural protection around the filler neck area
In the box
  • 1 × Front tank filler guard
  • 1 × Rear tank filler guard

Shipping weight 6.00 lb

004Application register

Everything this fits

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Ford1
  • 1966–1977Bronco
    All engines

Designed for 1966–1977 Ford Bronco applications. Verify whether your Bronco still uses the factory-style filler pipe and surrounding body structure. Check the wheelhouse and inner quarter panel for previous rust repairs or modifications. Welding and body-panel fitting may be required. Trial-fit both guards before final welding. Aftermarket fuel tanks or relocated filler necks can affect compatibility. Custom quarter panels or wheel tubs may require modification. Compare the replacement contours with the original body before permanent installation. Protect bare or weld-exposed steel with suitable corrosion protection after installation. Do not assume the fuel filler pipe, hose, cap, seals, or mounting hardware are included. Some aftermarket catalogs list similar filler guard applications as 1966–1976, while United Pacific specifically catalogs its 110331 set for 1966–1977, so confirm the exact manufacturer and your 1977 body configuration before ordering.

005Counter questions

Asked about this part

What is the 1966–1977 Ford Bronco tank filler guard set?
It is a pair of formed sheet-metal panels designed to protect and restore the body structure around the fuel filler neck on compatible Early Broncos.
What years does this filler guard set fit?
It is intended for compatible 1966–1977 Ford Bronco applications.
Is this for first-generation Broncos?
Yes. The 1966–1977 Bronco is the first-generation, often called the Early Bronco.
How many pieces are included?
A typical set includes two pieces: one front guard and one rear guard.
What do the front and rear guards do?
They help form and protect the sheet-metal area surrounding the fuel filler pipe.
Is this a decorative part?
No. It is primarily a body restoration and protection component for the filler-neck area.
Is the set made from steel?
Yes. Comparable reproduction sets are made from formed stamped steel.
Is this part suitable for rust repair?
Yes. It is ideal for replacing filler-area sheet metal damaged by rust, corrosion, or previous body repairs.
Does this set replace rusted original guards?
Yes. It is intended to replace damaged, missing, or severely corroded original filler guards.
Does this fit around the original fuel filler neck?
Yes, when used with a compatible factory-style filler neck and body configuration.
Does the fuel filler neck come with the set?
No. The filler neck should not be assumed to be included.
Is the fuel cap included?
No. The fuel cap is normally sold separately.
Does it include filler hose?
No. Fuel filler hose is usually a separate service item.
Does it include seals or grommets?
Not necessarily. Verify the exact supplier package before assuming seals are included.
Is mounting hardware included?
Hardware should not be assumed unless specifically listed by the supplier.
Does this require welding?
In most restoration applications, yes. These are body sheet-metal pieces and typically require fitting and welding.
Should the panels be test-fitted before welding?
Yes. Always trial-fit both guards before making any permanent welds.
Can these panels be trimmed if needed?
Minor trimming or adjustment may be necessary depending on previous body repairs or aftermarket sheet metal.
Will this fit a Bronco with original quarter panels?
Yes, provided the surrounding wheelhouse and inner quarter structure remain close to factory dimensions.
Will it fit with replacement quarter panels?
Usually, but the contours and mounting points should be checked because reproduction panels can vary slightly.
Does it attach near the wheelhouse?
Yes. The filler guard area is associated with the wheelhouse and inner quarter-panel structure.
Will it work with a stock fuel tank?
It is intended for factory-style filler configurations, but always verify the filler-neck routing and tank setup.
Will it fit with an aftermarket fuel tank?
Possibly, but aftermarket tanks can change filler-neck position and may require modification.
What if my filler neck has been relocated?
A relocated filler neck can make the stock-style guards incompatible without custom work.
Will custom wheel tubs affect fitment?
Yes. Modified wheel tubs can change the surrounding sheet-metal geometry.
Can body lifts affect this part?
A body lift usually does not change the guard itself, but associated filler-neck modifications can affect overall compatibility.
Is this suitable for a frame-off restoration?
Yes. It is especially useful when rebuilding the body shell and restoring rusted filler-area sheet metal.
Is it suitable for a daily-driver restoration?
Yes. The set is appropriate for both functional repairs and more complete restorations.
Can I install this before the fuel tank is installed?
Yes, and doing so may provide better access for body fitting and welding.
Should the fuel tank be removed before welding nearby?
Yes. Fuel-system components should be safely removed or isolated before welding due to fire and explosion risk.
Should the filler hose be removed before installation?
Yes. Rubber fuel hoses and nearby fuel components should not be exposed to welding heat.
Should I apply corrosion protection after welding?
Yes. Protect bare steel and welded areas with appropriate primer, seam sealer, cavity protection, and topcoat.
Can weld-through primer be used?
Yes, if compatible with your welding process and restoration procedure.
Should seams be sealed after installation?
Yes. Proper seam sealing helps keep moisture and debris from entering repaired areas.
Can the panels be painted body color?
Yes. They can be finished to match the restoration once properly prepared and primed.
Are these panels visible from outside the Bronco?
They are mainly structural/protective inner body pieces rather than highly visible exterior trim.
Can damaged filler guards contribute to body rust?
Yes. Missing or rusted guards can leave nearby sheet metal less protected from moisture, dirt, and road debris.
Does replacing the guards improve fuel-system safety?
They help restore the intended surrounding body structure, but they do not replace proper fuel hoses, seals, tank mounting, or leak inspection.
Should I inspect the filler neck while replacing the guards?
Yes. Check for rust, cracks, dents, loose mounting, and deteriorated filler hose.
Should I inspect the fuel tank at the same time?
Yes. Restoration access makes it a good opportunity to check the tank, straps, hoses, and vent lines.
What is the estimated shipping weight?
The two-piece steel set is estimated at roughly 3–5 lb, depending on gauge and packaging.
What shipping weight should I use for the listing?
6 lb (2.7 kg) is a practical packaged listing weight unless the supplier provides an exact boxed weight.
What should I verify before ordering?
Confirm the 1966–1977 Ford Bronco application, filler-neck location, wheelhouse and inner quarter-panel condition, fuel-tank configuration, and any previous body or fuel-system modifications.
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