HomeAir and Fuel Delivery > Fuel StorageSpectra ST186 Fuel Tank Strap
Part #: ST186

Spectra ST186 Fuel Tank Strap

⚙️ 27 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Cadillac, and Chevrolet, Roadmaster, Commercial Chassis, Fleetwood, and Caprice
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Reliable Fuel Tank Strap for Buick, Cadillac, and Chevrolet

The Spectra ST186 fuel tank strap is designed to securely hold the fuel tank in place for select Buick, Cadillac, and Chevrolet vehicles. Engineered for durability and precise fitment, this part ensures stable fuel storage and safe operation.

  • Compatible with Buick Caprice, Cadillac Fleetwood, Roadmaster, and Chevrolet Commercial Chassis models
  • Durable construction to withstand road vibrations and environmental exposure
  • Exact fitment for secure fuel tank mounting
  • OEM-quality replacement part number ST186
  • Corrosion-resistant finish for extended service life

Durable Construction and Precise Fitment

The Spectra ST186 fuel tank strap is manufactured to meet or exceed original equipment specifications. It is engineered to provide a secure hold on the fuel tank, preventing movement that could lead to damage or fuel leaks. This strap is made from corrosion-resistant materials to endure harsh road conditions and exposure to moisture, ensuring long-lasting performance. Designed specifically for Buick Caprice, Cadillac Fleetwood, Roadmaster, and Chevrolet Commercial Chassis vehicles, the ST186 part number guarantees compatibility and ease of installation.

Applications and Common Issues Addressed

  • Prevents fuel tank shifting or sagging during vehicle operation
  • Replaces worn or rusted fuel tank straps to maintain safety
  • Eliminates fuel tank noise caused by loose mounting
  • Helps avoid fuel leaks due to improper tank support
  • Restores proper fuel tank alignment for accurate fuel delivery

Installation Notes and Tips

  • Ensure vehicle is safely supported before beginning installation
  • Remove old or damaged fuel tank straps carefully to avoid fuel line damage
  • Use appropriate tools to tighten the strap securely without over-torquing
  • Inspect fuel tank and surrounding components for wear during replacement
  • Consult vehicle service manual for torque specifications and safety precautions

Quality Assurance and Warranty Information

Spectra parts are manufactured to meet strict quality standards, ensuring reliable performance and fitment. The ST186 fuel tank strap undergoes rigorous testing to confirm durability and corrosion resistance. While specific warranty details may vary, Spectra typically offers coverage against manufacturing defects to provide confidence in the product's longevity and function.

This part fits 27 vehicles. Search below:

YearMakeModelBody TypeDrive TypeLitersCylindersPositionNotes
1996BuickRoadmasterSedan5.7LV8N/A
1996CadillacCommercial Chassis5.7LV8N/A
1996CadillacFleetwood5.7LV8N/A
1996ChevroletCapriceSedan5.7LV8N/A
1996ChevroletCapriceSedan4.3LV8N/A
1995BuickRoadmasterSedan5.7LV8N/A
1995CadillacCommercial Chassis5.7LV8N/A
1995CadillacFleetwood5.7LV8N/A
1995ChevroletCapriceSedan5.7LV8N/A
1995ChevroletCapriceSedan4.3LV8N/A
1994BuickRoadmasterSedan5.7LV8N/A
1994CadillacCommercial Chassis5.7LV8N/A
1994CadillacFleetwood5.7LV8N/A
1994ChevroletCapriceSedan5.7LV8N/A
1994ChevroletCapriceSedan4.3LV8N/A
1993BuickRoadmasterSedan5.7LV8N/A
1993CadillacCommercial ChassisRWD5.7LV8N/A
1993CadillacFleetwood5.7LV8N/A
1993ChevroletCapriceSedan5.7LV8N/A
1993ChevroletCapriceSedan5.0LV8N/A
1993ChevroletCapriceSedan4.3LV6N/A
1992BuickRoadmasterSedan5.7LV8N/A
1992ChevroletCapriceSedan5.7LV8N/A
1992ChevroletCapriceSedan5.0LV8N/A
1992ChevroletCapriceSedan4.3LV6N/A
1991ChevroletCapriceSedan5.7LV8N/A
1991ChevroletCapriceSedan5.0LV8N/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:

10156971101569724040416578186IST186TNKST186

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