1981 GMC C2500 Fuel Tanks

Keep Your 1981 GMC C2500 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 GMC C2500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Fuel Tank Cleaning Kits, Fuel Tank Straps, and Fuel Tanks. 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, Carquest, and GM Genuine. For example, Spectra Premium Fuel Tanks start at just $59.99 with an average 4.3 star rating. Carquest and GM Genuine offer similar pricing and quality, backed by strong customer feedback. With over 138 reviews and a solid 4 star average, you can shop with confidence knowing other GMC C2500 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1981 GMC C2500 Fuel Tank at Advance Auto Parts is around $87.44, with a range that starts at $9.99 and goes up to $259.99. With 38 options in stock from 7 trusted brands, finding the right fit is easy. Popular picks like Fuel Tank Cleaning Kit, Fuel Tank Lock Ring, and Fuel Tank Straps start at just $12.49 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 GMC C2500 in peak condition, inside and out.

Essential 1981 GMC C2500 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 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

GM Genuine Parts – Fuel Tank Selector Valve (Part No.U7000)

Fuel Tank Selector Valve

from

$108.99
GM Genuine Parts Fuel Tank Selector Valves 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

Carquest Premium – Fuel Tank Selector Valve (Part No.FSC1007)

Fuel Tank Selector Valve

from

$80.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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

Dorman – Fuel Sending Unit Without Pump (Part No.692-000)

Fuel Sending Unit Without Pump

from

$120.99
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.FSU010028)

Fuel Sending Unit

from

$73.99
New Platinum Pro Fuel Sending Unit, 80-89 C/K/R/V, 3 Outlets, Rh Side Tank, Except Fi

Product Features:
  • 3 Outlets, Right Side Tank, Excludes Fuel Injection
  • 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

KAI – Fuel Sending Unit (Part No.FSU010024)

Fuel Sending Unit

from

$78.99
New Platinum Pro Fuel Sending Unit, 73-79 C/K Pu, With 3 Outlets, Rh Side Tank

Product Features:
  • 73-79 C/K Pickup, With 3 Outlets, Right Side Tank
  • 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 – Multi-Use Connector (Part No.FSA1013)

Multi-Use Connector

from

$31.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
See More

KAI – Fuel Tank Bracket (Part No.FST019998)

Fuel Tank Bracket

from

$136.99
New Platinum Pro Rear Fuel Tank Bracket, With Strap, Made Of Steel

Product Features:
  • With Strap
  • 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

KAI – Fuel Tank Bracket (Part No.FST019997)

Fuel Tank Bracket

from

$136.99
New Platinum Pro Front Fuel Tank Bracket, With Strap, Made Of Steel

Product Features:
  • With Strap
  • 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 – Steel Fuel Tank (Part No.576-342)

Steel Fuel Tank

from

$285.99
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.FTK010004)

Fuel Tank

from

$264.99
New Platinum Pro Fuel Tank, 88-97 Gm Pickup, 34 Gallon, Gas Or Diesel, Fits 98-Up Models With Diesel Engine Only

Product Features:
  • 88-97 GM Pickup, 34 Gallon, Gas Or Diesel, Fits 98-Up Models, With Diesel Engine Only
  • 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 (Part No.GM23B)

Fuel Tank

from

$198.99
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

KAI – Fuel Tank (Part No.TNKGM22B)

Fuel Tank

from

$319.99
New Standard Replacement Fuel Tank, 34 Gallon, 88-97 GM Pickup Gas Or Diesel, Fits 98-Up Models With Diesel Engine Only

Product Features:
  • 34 Gallon 88-97 GM Pickup Gas Or Diesel Fits 98-Up Models With Diesel Engine Only
  • 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 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

KAI – Fuel Tank Lock Ring (Part No.SPILO91)

Fuel Tank Lock Ring

from

$26.99
New Standard Replacement Fuel Tank Lock Ring, For Fuel Pump Module, Includes O-Ring, Steel Tank

Product Features:
  • Fuel Pump Module Includes O-Ring Steel Tank
  • 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

Dorman – Help – Fuel Sending Unit Retainer Kit (Part No.55810)

Fuel Sending Unit Retainer Kit

from

$10.49
This fuel tank sending unit lock ring is designed to help restore the connection between the fuel pump, module and/or sending unit and the fuel tank on specified vehicles. It is engineered to match the performance of the original equipment lock ring when the factory ring has failed or is damaged. Manufactured to precise specifications for specified vehicles, it is made with durable materials for reliable performance and long life.

Product Features:
  • Direct replacement – this fuel tank sending unit lock ring is designed to help restore the connection between the fuel pump, module and/or sending unit and the fuel tank on specified vehicles
  • Ideal solution – engineered to match the performance of the original equipment lock ring when the factory ring has failed or is damaged
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

Dorman – Fuel Pump Lock Ring (Part No.579-091)

Fuel Pump Lock Ring

from

$13.29
This fuel tank sending unit lock ring is designed to help restore the connection between the fuel pump, module and/or sending unit and the fuel tank on specified vehicles. It is engineered to match the performance of the original equipment lock ring when the factory ring has failed or is damaged. Manufactured to precise specifications for specified vehicles, it is made with durable materials for reliable performance and long life.

Product Features:
  • Direct replacement – this fuel tank sending unit lock ring is designed to help restore the connection between the fuel pump, module and/or sending unit and the fuel tank on specified vehicles
  • Ideal solution – engineered to match the performance of the original equipment lock ring when the factory ring has failed or is damaged
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

Dorman – Fuel Tank Straps (Part No.578-042)

Fuel Tank Straps

from

$48.99
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

Dorman – Fuel Tank Straps (Part No.578-001)

Fuel Tank Straps

from

$31.99
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

Dorman – Fuel Tank Straps (Part No.578-044)

Fuel Tank Straps

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

Carquest – Fuel Tank Straps (Includes 2 Straps) (Part No.578-044)

Fuel Tank Straps (Includes 2 Straps)

from

$37.99
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

Carquest Premium – Fuel Tank Selector Switch (Part No.SBA4538)

Fuel Tank Selector Switch

from

$24.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

GM Genuine Parts – Fuel Tank Selector Switch (Part No.D7003)

Fuel Tank Selector Switch

from

$22.99
GM Genuine Parts Fuel Tank Selector Switches 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

Most Popular Fuel Tank Cleaning Kit for 1981 GMC C2500s

Enhance your 1981 GMC C2500 with this popular Fuel Tank Cleaning Kit we have in stock, for $12.49.

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

Best-Selling 1981 GMC C2500 Fuel Tank Straps

Upgrade your C2500 with one of our 6 best-selling Fuel Tank Straps, earning an average 3.5 stars rating across 5 reviews.

Carquest – Fuel Tank Straps (Includes 2 Straps) (Part No.578-001)

Fuel Tank Straps (Includes 2 Straps)

from

$33.99
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

Dorman – Fuel Tank Straps (Part No.578-001)

Fuel Tank Straps

from

$31.99
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.ST12)

Fuel Tank Strap

from

$41.49
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

KAI – Fuel Tank Strap (Part No.TNKST01)

Fuel Tank Strap

from

$41.99
New Standard Replacement Fuel Tank Strap Kit, 23 1/4 Inch And 24 Inch Straps, Pair

Product Features:
  • 23 1/4 Inch And 24 Inch Straps
  • 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

KAI – Fuel Tank Strap (Part No.FST010012)

Fuel Tank Strap

from

$41.99
New Platinum Pro Fuel Tank Straps

Product Features:
  • 25 Gallon
  • 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

KAI – Fuel Tank Strap (Part No.FST010001)

Fuel Tank Strap

from

$23.99
New Platinum Pro Fuel Tank Straps With 16 Or 20 Gallon

Product Features:
  • 16 Or 20 Gallon, Mid Mount Tank
  • 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-Quality Fuel Tanks for 1981 GMC C2500s

Choose a high-quality OEM or aftermarket Fuel Tank for GMC C2500s and enjoy top-notch performance from $139.99.

Carquest – Steel Fuel Tank (Part No.576-334)

Steel Fuel Tank

from

$148.99
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.576-300)

Steel Fuel Tank

from

$163.99
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

Spectra Premium – Fuel Tank (Part No.GM15A)

Fuel Tank

from

$194.99
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

KAI – Fuel Tank (Part No.TNKGM11A)

Fuel Tank

from

$259.99
New Standard Replacement Fuel Tank, 73-81 C/K Pickup 16 Gallon, Side Mount Tank

Product Features:
  • 73-81 C/K Pickup, 16 Gallon, Side Mount Tank
  • 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

KAI – Fuel Tank (Part No.FTK010033)

Fuel Tank

from

$201.99
New Platinum Pro Fuel Tank, 73-81 Chev Pu Lwb [982]

Product Features:
  • 20 Gallon, Side Mount Tank
  • 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

KAI – Fuel Tank (Part No.FTK010049)

Fuel Tank

from

$139.99
New Platinum Pro Fuel Tank, 73-87 Chevy Pickup

Product Features:
  • 73-87 Chevy Pickup
  • 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 Picks for 1981 GMC C2500 Fuel Tank Sending Units

Invest in one of our 14 durable Fuel Tank Sending Units for your 1981 GMC, knowing you’re getting trusted brands and expert craftsmanship.

Spectra Premium – Fuel Tank Sending Unit (Part No.FG05F)

Fuel Tank Sending Unit

from

$59.99
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.FG05G)

Fuel Tank Sending Unit

from

$89.99
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.692-006)

Fuel Sending Unit without Pump

from

$85.99
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

Spectra Premium – Fuel Tank Sending Unit (Part No.FG05H)

Fuel Tank Sending Unit

from

$92.99
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

KAI – Fuel Sending Unit (Part No.FSU010027)

Fuel Sending Unit

from

$67.99
New Platinum Pro Fuel Sending Unit, 80-89 C/K/R/V, 3 Outlets, Lh Side Tank, Except Fi

Product Features:
  • 3 Outlets, Left Side Tank, Excludes Fuel Injection
  • 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 FG05GCQ: Includes Strainer and Wiring Harness (Part No.FG05GCQ)

Fuel Tank Sending Unit FG05GCQ: Includes Strainer and Wiring Harness

from

$75.99
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

KAI – Fuel Sending Unit (Part No.FSU010028)

Fuel Sending Unit

from

$73.99
New Platinum Pro Fuel Sending Unit, 80-89 C/K/R/V, 3 Outlets, Rh Side Tank, Except Fi

Product Features:
  • 3 Outlets, Right Side Tank, Excludes Fuel Injection
  • 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

Dorman – Fuel Sending Unit without Pump (Part No.692-054)

Fuel Sending Unit without Pump

from

$140.99
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

Dorman – Fuel Sending Unit without Pump (Part No.692-026)

Fuel Sending Unit without Pump

from

$82.99
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

Dorman – Fuel Sending Unit without Pump (Part No.692-042)

Fuel Sending Unit without Pump

from

$111.99
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

Dorman – Fuel Sending Unit Without Pump (Part No.692-254)

Fuel Sending Unit Without Pump

from

$91.99
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

Carquest Premium – Fuel Tank Sending Unit FG05HCQ: Includes Wiring Harness (Part No.FG05HCQ)

Fuel Tank Sending Unit FG05HCQ: Includes Wiring Harness

from

$89.99
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 FG05ECQ: Includes Wiring Harness (Part No.FG05ECQ)

Fuel Tank Sending Unit FG05ECQ: Includes Wiring Harness

from

$76.99
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

KAI – Fuel Sending Unit (Part No.FSU010029)

Fuel Sending Unit

from

$73.99
New Platinum Pro Fuel Sending Unit, 80-89 C/K/R/V, 2 Outlets, Lh Side Tank, Except Fi

Product Features:
  • 2 Outlets, Left Side Tank, Excludes Fuel Injection
  • 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 Lock Rings for 1981 GMC C2500s

Make a smart move for your 1981 GMC C2500 with products all priced from $9.99 to $10.99.

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.
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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-Rated Fuel Tank Brands For Your 1981 GMC C2500

When it comes to finding the perfect Fuel Tank for your 1981 GMC C2500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 7 trusted brands. We carry the most popular Fuel Tank brands including GM Genuine, Carquest, and Spectra Premium, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $22.99. Purchasing a Fuel Tank from us here at Advance Auto Parts is a smart move for both you and your 1981 GMC C2500, providing peace of mind with parts that meet or exceed OEM standards.

Popular GM Genuine 1981 GMC C2500 Fuel Tanks

If you’re looking for a top-quality Fuel Tank for your 1981 GMC C2500, Advance Auto Parts has exactly what you need with our selection of GM Genuine Fuel Tanks. We have 1 GM Genuine Fuel Tanks in stock for this fitment, all known for their durability and precision fit. With prices starting at just $22.99, you’ll find the perfect Fuel Tank for your needs and budget. GM Genuine Fuel Tanks for the 1981 GMC C2500 come highly rated, with over 1 customer reviews and an impressive average rating of 4.5 stars. Choosing a GM Genuine Fuel Tank from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Fuel Tank Selector Switch
from $22.99
(1)
Fuel Tank Selector Switch
“This part was exactly what I was looking for and needed.”

Top-Quality Carquest 1981 GMC C2500 Fuel Tanks

For those in search of a high-quality Fuel Tank for their 1981 GMC C2500, Advance Auto Parts offers a great selection of Carquest Fuel Tanks. With 2 Carquest Fuel Tanks in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Fuel Tanks start at just $148.99, with an average price of $156.49, giving you a range of options to suit your budget. Backed by over 4 customer ratings and an average rating of 4.4 stars, Carquest Fuel Tanks provide both reliability and excellent performance. Choosing a Carquest Fuel Tank from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Steel Fuel Tank
from $163.99
(1)
Steel Fuel Tank
“This tank was nice but was advertised as exact fit. It was 11″ too short. We were disappointed.”
Steel Fuel Tank
from $148.99
(3)
Steel Fuel Tank
“Good tank”

FAQs for 1981 GMC C2500 Fuel Tanks

What are the best-selling Fuel Tanks for 1981 GMC C2500s?

Out of 38 Fuel Tanks that fit 1981 GMC C2500s, the following parts are the top sellers:

What’s the price range for 1981 GMC C2500 Fuel Tanks?

The prices of Fuel Tanks for the 1981 GMC C2500 range from $9.99 up to $259.99 for the most premium parts.

What is the average price of a Fuel Tank for a 1981 GMC C2500?

The average price for Fuel Tanks for the 1981 GMC C2500 is $87.44. 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 GMC C2500 model years?

Yes, we carry Fuel Tanks for 19 model years of GMC C2500s between 1979 and 2000. The following model years are the most popular for Fuel Tank purchases: 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, and 1992.

What are the cheapest Fuel Tanks for my 1981 GMC C2500?

The cheapest 1981 GMC C2500 Fuel Tanks we carry are:

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

Yes. We stock Fuel Tanks for 11 other popular 1981 GMC models. Some of the most popular are 1981 Jimmy Fuel Tanks, 1981 K2500 Fuel Tanks, 1981 K1500 Fuel Tanks, 1981 C1500 Fuel Tanks, and 1981 K3500 Fuel Tanks.

What are the top-rated Fuel Tanks that fit the 1981 GMC C2500?

Based on 138 reviews by customers, our 1981 GMC C2500 Fuel Tanks have an average customer rating of 4 stars. These are the highest-rated categories of Fuel Tanks for the 1981 GMC C2500 and their top-rated products:

What types of Fuel Tanks do you sell for my 1981 GMC C2500?

As of 11/2/25, these are some of the most in-demand types of Fuel Tanks for a 1981 GMC C2500:

Can I get help with 1981 GMC C2500 Fuel Tank orders?

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

What is your return policy for GMC C2500 Fuel Tanks?

Advance Auto Parts keeps returns simple. For new GMC C2500 Fuel Tanks and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.