1981 Buick Regal Fuel Tanks

Keep Your 1981 Buick Regal in Top Shape with Quality Fuel Tanks

Whether you’re repairing or upgrading your Fuel Tank, using high-quality parts is key to keeping your 1981 Buick Regal looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Fuel Tank Sending Units, Fuel Tank Lock Rings, and Fuel Tank Filler Necks. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Fuel Tanks from Trusted Brands

Looking for a reliable Fuel Tank? We’ve got you covered with options from brands you know and trust like Spectra Premium. For example, Spectra Premium Fuel Tanks start at just $96.99 with an average 4.3 star rating. With over 2 reviews and a solid 5 star average, you can shop with confidence knowing other Buick Regal owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1981 Buick Regal Fuel Tank at Advance Auto Parts is around $102.46, with a range that starts at $9.99 and goes up to $355.99. With 19 options in stock from 6 trusted brands, finding the right fit is easy. Popular picks like Fuel Tank Cleaning Kit, Fuel Tank Lock Ring, and Fuel Tank Lock Ring start at just $10.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Fuel Tank, don’t forget to check out other key components like Gas Caps and Oxygen Sensors. At Advance Auto Parts, we’re here to help you keep your 1981 Buick Regal in peak condition, inside and out.

Essential 1981 Buick Regal Fuel Tanks

Carquest Premium – Fuel Tank Lock Ring (Part No.LO1582931)

Fuel Tank Lock Ring

from

$16.99
Carquest Premium fuel pump tank seals are built by Carter Fuel Systems and Agility Auto Parts, industry leaders in high-quality fuel system components. Carquest Premium offers a complete line of fuel pump tank seals covering a wide variety of North American vehicle applications. Carquest Premium fuel pump tank seals are engineered to meet or exceed all OEM specifications.

Product Features:
  • Engineered to meet or exceed all OEM specifications.
  • Precision stamped and are treated with a rust proof finish to ensure durability and strength
See More

Dorman – Fuel Tank O-Ring (Part No.911-245)

Fuel Tank O-Ring

from

$44.99
This fuel pump tank seal is designed to match the fit and function of the original seal on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this fuel pump tank seal is designed to match the fit and function of the original seal on specified vehicles
  • Restores functionality – reliable replacement for an original part that has failed due to fatigue or due for replacement during fuel pump tank service
  • Durable construction – recommended for replacement when the fuel pump or sensor is replaced
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Dorman – Fuel Pump Gasket (Part No.911-572)

Fuel Pump Gasket

from

$16.99
This fuel pump tank seal is designed to match the fit and function of the original seal on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this fuel pump tank seal is designed to match the fit and function of the original seal on specified vehicles
  • Restores functionality – reliable replacement for an original part that has failed due to fatigue or due for replacement during fuel pump tank service
  • Durable construction – recommended for replacement when the fuel pump or sensor is replaced
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Carquest Premium – Fuel Tank Sending Unit FG08BCQ: Includes Wiring Harness (Part No.FG08BCQ)

Fuel Tank Sending Unit FG08BCQ: Includes Wiring Harness

from

$81.99
Carquest Premium fuel tank sending units are built to meet or exceed Original Equipment (O.E.) specifications for fit, form and function. Carquest Premium fuel tank sending units are supplied with the wiring harness and gaskets or seals when required for the application. All sending units are precision-tested ensuring accurate readings at any fuel level. Carquest Premium fuel tank sending units are engineered with superior quality components to provide the longest life and are backed up by an industry-leading warranty.

Product Features:
  • Meets or exceeds OE specifications for fit, form and function
  • All sending units are 100% performance tested
  • Includes installation gaskets or seals where applicable
See More

Carquest Premium – Fuel Tank Sending Unit FG08ACQ: Includes Strainer and Wiring Harness (Part No.FG08ACQ)

Fuel Tank Sending Unit FG08ACQ: Includes Strainer and Wiring Harness

from

$82.99
Carquest Premium fuel tank sending units are built to meet or exceed Original Equipment (O.E.) specifications for fit, form and function. Carquest Premium fuel tank sending units are supplied with the wiring harness and gaskets or seals when required for the application. All sending units are precision-tested ensuring accurate readings at any fuel level. Carquest Premium fuel tank sending units are engineered with superior quality components to provide the longest life and are backed up by an industry-leading warranty.

Product Features:
  • Meets or exceeds OE specifications for fit, form and function
  • All sending units are 100% performance tested
  • Includes installation gaskets or seals where applicable
See More

Spectra Premium – Fuel Tank Sending Unit (Part No.FG156A)

Fuel Tank Sending Unit

from

$184.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel sending units meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE fuel system design expertise
  • Precision tested fuel level sensors ensures vehicles fuel gage will provide an accurate reading at any fuel level
  • Includes strainers for smoother installation process and ensures a clean fuel system upon replacement
  • Engineered to stringent tolerances based on our Canadian engineers’ in-depth knowledge of the OE part it’s designed to replace
  • Manufactured with high quality material, ensuring the durability of this part to prevent costly repairs
See More

Dorman – Fuel Sending Unit without Pump (Part No.692-029)

Fuel Sending Unit without Pump

from

$77.99
This fuel tank sending unit is designed to match the fit and function of the original unit on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this fuel tank sending unit is designed to match the fit and function of the original unit on specified applications
  • Restores functionality – reliable replacement for an original part that has failed due to internal sensor failure
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

KAI – Fuel Tank Strap (Part No.FST010006)

Fuel Tank Strap

from

$33.99
New Platinum Pro Fuel Tank Strap

Product Features:
  • RWD
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

Spectra Premium – Fuel Tank Strap (Part No.ST66)

Fuel Tank Strap

from

$40.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel tank straps meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our expertise
  • Direct fit ensures safe, secure fuel tank installation
  • Product individually packaged and labeled to help reduce product damage prior to installation
  • Industry leading coverage on straps for plastic tanks
  • Manufactured with double-layered steel on the mounting brackets for a more robust solution
See More

Carquest – Fuel Tank Strap Coated For Rust Prevention (Part No.578-039)

Fuel Tank Strap Coated For Rust Prevention

from

$37.99
Recommended for replacement whenever the fuel tank is replaced or serviced, this strap is a direct replacement for the original. Manufactured from durable materials to withstand harsh road and weather conditions.

Product Features:
  • Direct replacement – this fuel tank strap matches the fit, function and performance of the original part
  • Ideal solution – recommended for replacement when the fuel tank is serviced or replaced
  • Durable construction – manufactured from quality materials for superior service and reliability
  • Trustworthy design – backed by 100 years of automotive aftermarket experience
See More

Spectra Premium – Fuel Tank Strap (Part No.ST39)

Fuel Tank Strap

from

$47.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel tank straps meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our expertise
  • Direct fit ensures safe, secure fuel tank installation
  • Product individually packaged and labeled to help reduce product damage prior to installation
  • Industry leading coverage on straps for plastic tanks
See More

Spectra Premium – Fuel Tank (Part No.GM704A)

Fuel Tank

from

$277.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel tanks meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE fuel system design expertise
  • Lock ring included with each tank to reduce installation time and to ensure a complete repair
  • Made with corrosion resistant, OE approved, Ni Terne steel for durability
  • Unit is leak tested after production to ensure product in free from fuel and / or evaporative leaks
  • Each new fuel tank is road tested to ensure real world performance and to verify that each design meets our high standards for quality
  • Engineered to stringent tolerances based on our Canadian engineers’ in-depth knowledge of the OE part it’s designed to replace
  • Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed
  • Packaged with double-layered foam wrap and heavy-gauge corrugated board to ensure product quality at installation
See More

Dorman – Steel Fuel Tank (Part No.576-353)

Steel Fuel Tank

from

$355.99
This replacement fuel tank is precision-engineered to match the fit and function of the original fuel tank on specified vehicles.

Product Features:
  • Reliable replacement – this fuel tank directly replaces the original fuel tank on specified vehicle years, makes and models
  • Durable construction – this fuel tank is made from the same rugged materials as the original part for dependable service
  • Quality assured – this part has been validated to ensure a quality fit and long service life
  • Trustworthy design – backed by team of product specialists in the United States
See More

Carquest – Steel Fuel Tank (Part No.576-357)

Steel Fuel Tank

from

$169.99
This replacement fuel tank is precision-engineered to match the fit and function of the original fuel tank on specified vehicles.

Product Features:
  • Reliable replacement – this fuel tank directly replaces the original fuel tank on specified vehicle years, makes and models
  • Durable construction – this fuel tank is made from the same rugged materials as the original part for dependable service
  • Quality assured – this part has been validated to ensure a quality fit and long service life
  • Trustworthy design – backed by team of product specialists in the United States
See More

KAI – Fuel Tank (Part No.FTK010008)

Fuel Tank

from

$127.99
New Platinum Pro Fuel Tank, 88-97 Chev M-Size [1467]

Product Features:
  • 88-97 Chevy Mid Size
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Fuel Tank Cleaning Kit

from

$12.49
When replacing a fuel pump or module, it’s extremely important to clean the tank. Existing dirt, debris, and contamination stuck in the fuel tank can clog the brand-new strainer. Delphi’s Fuel Tank Cleaning Kit (FC01) and Tool (FC02) can help clean your fuel tank in less than five minutes. The FC01 includes a low-suds solution, cloth, and gloves that works together with the FC02 to help clean those hard to reach places without having to remove the fuel tank. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:
  • Helps avoid premature fuel pump failure
  • Lint free towel included
  • Low suds formulation
  • Removes harmful contaminants from the fuel tank
See More

Carquest Premium – Fuel Tank Lock Ring (Part No.LR3001)

Fuel Tank Lock Ring

from

$11.99
CARQUEST lock rings are designed to positively seat the fuel pump in proper position inside the tank. These precision stamped rings are made from corrosion-resistant and durable metals for long life.

Product Features:
  • Precision stamped for perfect fit and pump position
  • Always replace lock ring as a part of fuel pump service
See More

Spectra Premium – Fuel Tank Lock Ring (Part No.TR19)

Fuel Tank Lock Ring

from

$21.79
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium lock rings meet or exceed the performance of the original equipment they replace.

Product Features:
  • Lock ring should be replaced when changing the fuel tank or fuel module
  • Application specific design ensure a perfect fit guarantee
  • OEM fit, form and function
  • OEM design ensures corrosion resistance and prevents leakage from the fuel tank
  • Manufactured with high quality material, ensuring the durability of this part to prevent costly leaks
See More

Carquest Premium – Fuel Tank Lock Ring (Part No.LO1582929)

Fuel Tank Lock Ring

from

$16.99
Carquest Premium fuel tank lock rings are built by Carter Fuel Systems and Agility Auto Parts, industry leaders in high-quality fuel system components. Carquest Premium offers a complete line of fuel tank lock rings covering a wide variety of North American vehicle applications. Carquest Premium fuel tank lock rings are engineered to meet or exceed all OEM specifications. Carquest Premium fuel tank lock rings are precision stamped and are treated with a rust proof finish to ensure durability and strength.

Product Features:
  • Engineered to meet or exceed all OEM specifications.
  • Precision stamped and are treated with a rust proof finish to ensure durability and strength.
See More

Carquest Premium – Fuel Tank Lock Ring LO1582926 (Part No.LO1582926)

Fuel Tank Lock Ring LO1582926

from

$16.99
Carquest Premium offers a complete line of fuel tank lock rings covering a wide variety of North American vehicle applications. Carquest Premium fuel tank lock rings are engineered to meet or exceed all OEM specifications. Carquest Premium fuel tank lock rings are precision stamped and are treated with a rust proof finish to ensure durability and strength.

Product Features:
  • Engineered to meet or exceed all OEM specifications
  • Precision stamped and are treated with a rust proof finish to ensure durability and strength
See More

Dorman – Fuel Pump Lock Ring (Part No.579-102)

Fuel Pump Lock Ring

from

$19.49
A recommended replacement whenever the sending unit is serviced, this fuel tank lock ring is a direct match for the original part. Designed for a secure fit, it’s manufactured from durable materials for reliable service.

Product Features:
  • Direct replacement – this fuel tank lock ring matches the fit, function and performance of the original part
  • Ideal solution – recommended for replacement whenever the sending unit is serviced to ensure a secure connection to the fuel tank
  • Durable construction – manufactured from quality materials for superior service and reliability
  • Trustworthy design – backed by a team of product designers and engineers with over 100 years of automotive aftermarket experience
See More

GM Genuine Parts – Fuel Tank Sending Unit Lock Ring (Part No.TR9)

Fuel Tank Sending Unit Lock Ring

from

$18.99
GM Genuine Parts Fuel Tank Lock Rings are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
See More

Dorman – Fuel Tank Filler Neck (Part No.577-007)

Fuel Tank Filler Neck

from

$33.99
Fuel filler neck leaking? This replacement fuel filler neck is precision-engineered and thoroughly tested to match the original filler neck for specific vehicle years, makes and models for a reliable repair.

Product Features:
  • Direct replacement – this fuel filler neck is made to match the original equipment on specific vehicles
  • Durable construction – made of corrosion-resistant materials to reduce future failure potential
  • Regulatory compliant – built to meet emission and inspection standards
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
See More

Spectra Premium – Fuel Filler Neck (Part No.FN13)

Fuel Filler Neck

from

$123.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel tank filler necks meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE fuel system design expertise
  • Unit is dual coated for enhanced corrosion protection
  • Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed
  • Unit is leak tested after production to ensure product in free from fuel and / or evaporative leaks
  • Tested with OE fuel cap to prevent evaporative emission and check engine light failure
See More

Carquest – Fuel Tank Filler Neck (Part No.577-811)

Fuel Tank Filler Neck

from

$118.99
Fuel filler neck leaking? This replacement fuel filler neck is precision-engineered and thoroughly tested to match the original filler neck for specific vehicle years, makes and models for a reliable repair.

Product Features:
  • Direct replacement – this fuel filler neck is made to match the original equipment on specific vehicles
  • Durable construction – made of corrosion-resistant materials to reduce future failure potential
  • Regulatory compliant – built to meet emission and inspection standards
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
See More

Spectra Premium – Fuel Filler Neck (Part No.FN688)

Fuel Filler Neck

from

$120.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel tank filler necks meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE fuel system design expertise
  • Unit is dual coated for enhanced corrosion protection
  • Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed
  • Unit is leak tested after production to ensure product in free from fuel and / or evaporative leaks
  • Tested with OE fuel cap to prevent evaporative emission and check engine light failure
See More

Carquest – Fuel Tank Filler Neck (Part No.577-810)

Fuel Tank Filler Neck

from

$102.99
Fuel filler neck leaking? This replacement fuel filler neck is precision-engineered and thoroughly tested to match the original filler neck for specific vehicle years, makes and models for a reliable repair.

Product Features:
  • Direct replacement – this fuel filler neck is made to match the original equipment on specific vehicles
  • Durable construction – made of corrosion-resistant materials to reduce future failure potential
  • Regulatory compliant – built to meet emission and inspection standards
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
See More

Carquest – Fuel Tank Filler Neck (Part No.577-808)

Fuel Tank Filler Neck

from

$106.99
Fuel filler neck leaking? This replacement fuel filler neck is precision-engineered and thoroughly tested to match the original filler neck for specific vehicle years, makes and models for a reliable repair.

Product Features:
  • Direct replacement – this fuel filler neck is made to match the original equipment on specific vehicles
  • Durable construction – made of corrosion-resistant materials to reduce future failure potential
  • Regulatory compliant – built to meet emission and inspection standards
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
See More

Most Popular Fuel Tank Sending Units for 1981 Buick Regals

Enhance your 1981 Buick Regal with one of the 6 Fuel Tank Sending Units we have in stock, starting at just $73.99.

Spectra Premium – Fuel Tank Sending Unit (Part No.FG08A)

Fuel Tank Sending Unit

from

$96.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel sending units meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE fuel system design expertise
  • Precision tested fuel level sensors ensures vehicles fuel gage will provide an accurate reading at any fuel level
  • Includes strainers for smoother installation process and ensures a clean fuel system upon replacement
  • Engineered to stringent tolerances based on our Canadian engineers’ in-depth knowledge of the OE part it’s designed to replace
  • Manufactured with high quality material, ensuring the durability of this part to prevent costly repairs
See More

Spectra Premium – Fuel Tank Sending Unit (Part No.FG08B)

Fuel Tank Sending Unit

from

$96.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel sending units meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE fuel system design expertise
  • Precision tested fuel level sensors ensures vehicles fuel gage will provide an accurate reading at any fuel level
  • Includes strainers for smoother installation process and ensures a clean fuel system upon replacement
  • Engineered to stringent tolerances based on our Canadian engineers’ in-depth knowledge of the OE part it’s designed to replace
  • Manufactured with high quality material, ensuring the durability of this part to prevent costly repairs
See More

Dorman – Fuel Sending Unit without Pump (Part No.692-049)

Fuel Sending Unit without Pump

from

$96.99
This fuel tank sending unit is designed to match the fit and function of the original unit on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this fuel tank sending unit is designed to match the fit and function of the original unit on specified applications
  • Restores functionality – reliable replacement for an original part that has failed due to internal sensor failure
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

KAI – Fuel Sending Unit (Part No.FSU010053)

Fuel Sending Unit

from

$73.99
New Platinum Pro Fuel Sending Unit, 78-87 Monte, Regallon, Cutlass, Without Eec, 2-Outlets

Product Features:
  • Without EEC, 2 Outlets
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

Carquest Premium – Fuel Tank Sending Unit FG08ACQ: Includes Strainer and Wiring Harness (Part No.FG08ACQ)

Fuel Tank Sending Unit FG08ACQ: Includes Strainer and Wiring Harness

from

$82.99
Carquest Premium fuel tank sending units are built to meet or exceed Original Equipment (O.E.) specifications for fit, form and function. Carquest Premium fuel tank sending units are supplied with the wiring harness and gaskets or seals when required for the application. All sending units are precision-tested ensuring accurate readings at any fuel level. Carquest Premium fuel tank sending units are engineered with superior quality components to provide the longest life and are backed up by an industry-leading warranty.

Product Features:
  • Meets or exceeds OE specifications for fit, form and function
  • All sending units are 100% performance tested
  • Includes installation gaskets or seals where applicable
See More

Carquest Premium – Fuel Tank Sending Unit FG08BCQ: Includes Wiring Harness (Part No.FG08BCQ)

Fuel Tank Sending Unit FG08BCQ: Includes Wiring Harness

from

$81.99
Carquest Premium fuel tank sending units are built to meet or exceed Original Equipment (O.E.) specifications for fit, form and function. Carquest Premium fuel tank sending units are supplied with the wiring harness and gaskets or seals when required for the application. All sending units are precision-tested ensuring accurate readings at any fuel level. Carquest Premium fuel tank sending units are engineered with superior quality components to provide the longest life and are backed up by an industry-leading warranty.

Product Features:
  • Meets or exceeds OE specifications for fit, form and function
  • All sending units are 100% performance tested
  • Includes installation gaskets or seals where applicable
See More

Best-Selling 1981 Buick Regal Fuel Tank Lock Rings

Upgrade your Regal with one of our 2 best-selling Fuel Tank Lock Rings.

Carquest Premium – Fuel Tank Lock Ring (Part No.LO1511470)

Fuel Tank Lock Ring

from

$10.99
Carquest Premium fuel tank lock rings are built by Carter Fuel Systems and Agility Auto Parts, industry leaders in high-quality fuel system components. Carquest Premium offers a complete line of fuel tank lock rings covering a wide variety of North American vehicle applications. Carquest Premium fuel tank lock rings are engineered to meet or exceed all OEM specifications. Carquest Premium fuel tank lock rings are precision stamped and are treated with a rust proof finish to ensure durability and strength.

Product Features:
  • Engineered to meet or exceed all OEM specifications.
  • Precision stamped and are treated with a rust proof finish to ensure durability and strength.
See More

Carquest Premium – Fuel Tank Lock Ring (Part No.LR3000)

Fuel Tank Lock Ring

from

$9.99
CARQUEST lock rings are designed to positively seat the fuel pump in proper position inside the tank. These precision stamped rings are made from corrosion-resistant and durable metals for long life.

Product Features:
  • Precision stamped for perfect fit and pump position
  • Always replace lock ring as a part of fuel pump service
See More

Top-Quality Fuel Tank Filler Necks for 1981 Buick Regals

Choose a high-quality OEM or aftermarket Fuel Tank Filler Neck for Buick Regals and enjoy top-notch performance from $33.99.

Dorman – Fuel Tank Filler Neck (Part No.577-007)

Fuel Tank Filler Neck

from

$33.99
Fuel filler neck leaking? This replacement fuel filler neck is precision-engineered and thoroughly tested to match the original filler neck for specific vehicle years, makes and models for a reliable repair.

Product Features:
  • Direct replacement – this fuel filler neck is made to match the original equipment on specific vehicles
  • Durable construction – made of corrosion-resistant materials to reduce future failure potential
  • Regulatory compliant – built to meet emission and inspection standards
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
See More

Spectra Premium – Fuel Filler Neck (Part No.FN07)

Fuel Filler Neck

from

$64.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel tank filler necks meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE fuel system design expertise
  • Unit is dual coated for enhanced corrosion protection
  • Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed
  • Unit is leak tested after production to ensure product in free from fuel and / or evaporative leaks
  • Tested with OE fuel cap to prevent evaporative emission and check engine light failure
See More

Top Picks for 1981 Buick Regal Fuel Tanks

Invest in one of our 5 durable Fuel Tanks for your 1981 Buick, knowing you’re getting trusted brands and expert craftsmanship.

Spectra Premium – Fuel Tank (Part No.GM307A)

Fuel Tank

from

$250.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel tanks meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE fuel system design expertise
  • Lock ring included with each tank to reduce installation time and to ensure a complete repair
  • Made with corrosion resistant, OE approved, Ni Terne steel for durability
  • Unit is leak tested after production to ensure product in free from fuel and / or evaporative leaks
  • Each new fuel tank is road tested to ensure real world performance and to verify that each design meets our high standards for quality
  • Engineered to stringent tolerances based on our Canadian engineers’ in-depth knowledge of the OE part it’s designed to replace
  • Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed
  • Packaged with double-layered foam wrap and heavy-gauge corrugated board to ensure product quality at installation
See More

Spectra Premium – Fuel Tank (Part No.GM3A)

Fuel Tank

from

$239.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel tanks meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE fuel system design expertise
  • Lock ring included with each tank to reduce installation time and to ensure a complete repair
  • Made with corrosion resistant, OE approved, Ni Terne steel for durability
  • Unit is leak tested after production to ensure product in free from fuel and / or evaporative leaks
  • Each new fuel tank is road tested to ensure real world performance and to verify that each design meets our high standards for quality
  • Engineered to stringent tolerances based on our Canadian engineers’ in-depth knowledge of the OE part it’s designed to replace
  • Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed
  • Packaged with double-layered foam wrap and heavy-gauge corrugated board to ensure product quality at installation
See More

Carquest – Steel Fuel Tank (Part No.576-363)

Steel Fuel Tank

from

$278.99
This replacement fuel tank is precision-engineered to match the fit and function of the original fuel tank on specified vehicles.

Product Features:
  • Reliable replacement – this fuel tank directly replaces the original fuel tank on specified vehicle years, makes and models
  • Durable construction – this fuel tank is made from the same rugged materials as the original part for dependable service
  • Quality assured – this part has been validated to ensure a quality fit and long service life
  • Trustworthy design – backed by team of product specialists in the United States
See More

Dorman – Steel Fuel Tank (Part No.576-353)

Steel Fuel Tank

from

$355.99
This replacement fuel tank is precision-engineered to match the fit and function of the original fuel tank on specified vehicles.

Product Features:
  • Reliable replacement – this fuel tank directly replaces the original fuel tank on specified vehicle years, makes and models
  • Durable construction – this fuel tank is made from the same rugged materials as the original part for dependable service
  • Quality assured – this part has been validated to ensure a quality fit and long service life
  • Trustworthy design – backed by team of product specialists in the United States
See More

KAI – Fuel Tank (Part No.FTK010182)

Fuel Tank

from

$235.99
New Platinum Pro Fuel Tank, 78-88 Gm Midsize RWD

Product Features:
  • 17 Gallon, Without EFI, Without Filler Neck
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

Fuel Tank Straps for 1981 Buick Regals

Make a smart move for your 1981 Buick Regal with products all priced from $33.99 to $40.49.

Dorman – Fuel Tank Straps (Part No.578-006)

Fuel Tank Straps

from

$40.49
Recommended for replacement whenever the fuel tank is replaced or serviced, this strap is a direct replacement for the original. Manufactured from durable materials to withstand harsh road and weather conditions.

Product Features:
  • Direct replacement – this fuel tank strap matches the fit, function and performance of the original part
  • Ideal solution – recommended for replacement when the fuel tank is serviced or replaced
  • Durable construction – manufactured from quality materials for superior service and reliability
  • Trustworthy design – backed by 100 years of automotive aftermarket experience
See More

KAI – Fuel Tank Strap (Part No.FST010006)

Fuel Tank Strap

from

$33.99
New Platinum Pro Fuel Tank Strap

Product Features:
  • RWD
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

Top-Rated Fuel Tank Brands For Your 1981 Buick Regal

When it comes to finding the perfect Fuel Tank for your 1981 Buick Regal, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 6 trusted brands. We carry the most popular Fuel Tank brands including Spectra Premium, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $96.99. Purchasing a Fuel Tank from us here at Advance Auto Parts is a smart move for both you and your 1981 Buick Regal, providing peace of mind with parts that meet or exceed OEM standards.

Popular Spectra Premium 1981 Buick Regal Fuel Tanks

If you’re looking for a top-quality Fuel Tank for your 1981 Buick Regal, Advance Auto Parts has exactly what you need with our selection of Spectra Premium Fuel Tanks. We have 1 Spectra Premium Fuel Tanks in stock for this fitment, all known for their durability and precision fit. With prices starting at just $96.99, you’ll find the perfect Fuel Tank for your needs and budget. Spectra Premium Fuel Tanks for the 1981 Buick Regal come highly rated, with over 1 customer reviews and an impressive average rating of 4.3 stars. Choosing a Spectra Premium Fuel Tank from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Fuel Tank Sending Unit
from $96.99
(1)
Fuel Tank Sending Unit
“This product replaced a 24 year old piece of original equipment,that still worked good.But since I was replacing a leaky fuel tank I wanted to put a n”

FAQs for 1981 Buick Regal Fuel Tanks

What are the best-selling Fuel Tanks for 1981 Buick Regals?

Out of 19 Fuel Tanks that fit 1981 Buick Regals, the following parts are the top sellers:

What’s the price range for 1981 Buick Regal Fuel Tanks?

The prices of Fuel Tanks for the 1981 Buick Regal range from $9.99 up to $355.99 for the most premium parts.

What is the average price of a Fuel Tank for a 1981 Buick Regal?

The average price for Fuel Tanks for the 1981 Buick Regal is $102.46. Keep in mind the variety of part types within our Fuel Tank category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Fuel Tanks for other Buick Regal model years?

Yes, we carry Fuel Tanks for 37 model years of Buick Regals between 1973 and 2017. The following model years are the most popular for Fuel Tank purchases: 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2004, and 2003.

What are the cheapest Fuel Tanks for my 1981 Buick Regal?

The cheapest 1981 Buick Regal Fuel Tanks we carry are:

Does Advance Auto Parts sell Fuel Tanks for any other 1981 Buick models?

Yes. We stock Fuel Tanks for 5 other popular 1981 Buick models. Some of the most popular are 1981 Century Fuel Tanks, 1981 LeSabre Fuel Tanks, 1981 Skylark Fuel Tanks, 1981 Riviera Fuel Tanks, and 1981 Electra Fuel Tanks.

What types of Fuel Tanks do you sell for my 1981 Buick Regal?

As of 11/2/25, these are some of the most in-demand types of Fuel Tanks for a 1981 Buick Regal:

Can I get help with 1981 Buick Regal Fuel Tank orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Buick Fuel Tanks and more.

What is your return policy for Buick Regal Fuel Tanks?

Advance Auto Parts keeps returns simple. For new Buick Regal Fuel Tanks and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.