HomeAir and Fuel Delivery > Fuel StorageDorman 578-101 Fuel Tank Strap
Part #: 578-101

Dorman 578-101 Fuel Tank Strap

⚙️ 3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mercury, Cougar
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Reliable Fuel Tank Straps for Mercury Cougar

Ensure secure fuel tank mounting with the Dorman 578-101 fuel tank straps designed specifically for Mercury Cougar models. These steel straps provide durable support to keep your fuel tank firmly in place during vehicle operation.

  • Constructed from sturdy steel for long-lasting durability
  • Black finish for corrosion resistance and a clean appearance
  • Each strap measures 38.75 inches in length and 1.25 inches in width
  • Includes two fuel tank straps per package for complete installation
  • Compatible with Mercury Cougar fuel storage systems

Durable Steel Construction and Precise Dimensions

The Dorman 578-101 fuel tank straps are engineered from high-quality steel to withstand the stresses of road conditions and fuel tank weight. The black coating helps resist rust and corrosion, extending the life of the straps. Each strap measures 38.75 inches long and 1.25 inches wide, providing a secure fit for the fuel tank on Mercury Cougar vehicles. Sold as a set of two, these straps ensure balanced support on both sides of the fuel tank.

Purpose and Common Applications

  • Replaces worn or damaged fuel tank straps on Mercury Cougar models
  • Prevents fuel tank movement that can cause leaks or damage
  • Restores proper fuel tank alignment and stability
  • Addresses corrosion or breakage issues in original straps
  • Supports safe fuel storage and delivery system operation

Installation Notes and Tips

When installing the Dorman 578-101 fuel tank straps, verify the strap length and width match your Mercury Cougar’s specifications. Since installation hardware is not included, reuse existing bolts or acquire compatible fasteners. Inspect the fuel tank and mounting points for corrosion or damage before installation. Properly torque the straps to manufacturer specifications to ensure secure mounting without over-tightening.

Quality Assurance and Warranty

Dorman manufactures the 578-101 fuel tank straps to meet or exceed OEM standards for fit and durability. The steel construction and protective black finish contribute to long service life. While specific warranty details are not provided, Dorman parts typically come with a limited warranty against defects in materials and workmanship.

BrandDorman
Part Number578-101
MaterialSteel
ColorBlack
Strap 2 Width1.25
Fuel Tank Strap 1 Length (In)38.75 in
Fuel Tank Strap 1 Width (In)1.25 in
Fuel Tank Strap 2 Length (In)38.75 in
Installation Hardware IncludedNo
Package Contents2 straps

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
1976MercuryCougarN/A
1975MercuryCougarN/A
1974MercuryCougarN/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:

ST101

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