1966 GMC K25/K2500 Pickup Fuel and Emissions Systems

Essential Fuel and Emissions Systems for 1966 GMC K25/K2500 Pickups

KAI – Fuel Sending Unit (Part No.FSU010185)

Fuel Sending Unit

from

$55.99
New Platinum Pro Fuel Sending Unit Without Vent Line For In-Cab Tank

Product Features:
  • Without Vent Line, In Cab 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 Sending Unit (Part No.FSU010190)

Fuel Sending Unit

from

$55.99
New Platinum Pro Fuel Sending Unit, With 5/16 Line, With Lock Ring/Seal/O-Ring And Strainer

Product Features:
  • 5/16 Line Lock Ring/Seal/O-Ring And Strainer
  • 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.FSU010023)

Fuel Sending Unit

from

$73.99
New Platinum Pro Fuel Sending Unit, 73-79 C/K Pu, With 2 Outlets, Rh Side Tank

Product Features:
  • 73-79 C/K Pickup, With 2 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 – Fuel Tank Sending Unit FG05CCQ: Includes Wiring Harness (Part No.FG05CCQ)

Fuel Tank Sending Unit FG05CCQ: Includes Wiring Harness

from

$69.99
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.FG05D)

Fuel Tank Sending Unit

from

$109.99
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.FSU010186)

Fuel Sending Unit

from

$59.99
New Platinum Pro Fuel Sending Unit With Vent Line For In-Cab Tank

Product Features:
  • With Vent Line, In Cab 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 – Fuel Sending Unit without Pump (Part No.692-134)

Fuel Sending Unit without Pump

from

$135.99
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

Carquest Premium – Fuel Tank Sending Unit FG05JCQ: Includes Wiring Harness (Part No.FG05JCQ)

Fuel Tank Sending Unit FG05JCQ: Includes Wiring Harness

from

$79.99
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.FSU010191)

Fuel Sending Unit

from

$60.99
New Platinum Pro Fuel Sending Unit With 3/8 Line Without Vent Line For In-Cab Tank, For Engines With 4 Barrel Carb

Product Features:
  • Engines With 4 Barrel Carb
  • 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 FG05BCQ: Includes Strainer and Wiring Harness (Part No.FG05BCQ)

Fuel Tank Sending Unit FG05BCQ: Includes Strainer and 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

KAI – Fuel Sending Unit (Part No.FSU010025)

Fuel Sending Unit

from

$73.99
New Platinum Pro Fuel Sending Unit, 73-79 C/K Pu, With 3 Outlets, Lh Side Tank

Product Features:
  • 73-79 C/K Pickup, With 3 Outlets, Left 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

Dorman – Fuel Sending Unit without Pump (Part No.692-073)

Fuel Sending Unit without Pump

from

$105.99
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.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

Spectra Premium – Fuel Tank Sending Unit (Part No.FG05C)

Fuel Tank Sending Unit

from

$91.99
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

Carquest Premium – Fuel Tank Sending Unit FG05DCQ: Includes Wiring Harness (Part No.FG05DCQ)

Fuel Tank Sending Unit FG05DCQ: Includes Wiring Harness

from

$93.99
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.FG05B)

Fuel Tank Sending Unit

from

$114.99
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

Upgrade your 1966 GMC K25/K2500 Pickup with Top-Quality Fuel and Emissions Systems

When it comes to maintaining or upgrading your 1966 GMC K25/K2500 Pickup, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your GMC or enhancing its overall performance, Fuel and Emissions Systems are key to keeping your K25/K2500 Pickup functioning at its best. At Advance Auto Parts, we offer a wide selection of 1 Fuel and Emissions Systems for the 1966 GMC K25/K2500 Pickup, designed to meet your needs without breaking the bank.

Affordable Prices and Wide Selection

Shopping for Fuel and Emissions Systems for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Fuel and Emissions Systems for your 1966 GMC K25/K2500 Pickup at great prices. Our Fuel and Emissions Systems inventory for this model rounds an average price of $135.99. Our 1 Fuel and Emissions Systems in stock come from trusted brands, so you’re sure to find the right part for your 1966 GMC K25/K2500 Pickup without overspending.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Fuel and Emissions System upgrades. Explore related part types like Interior Products, Brake Parts and more to make sure your 1966 GMC K25/K2500 Pickup is always ready to roll. We’re committed to providing you with everything you need to keep your K25/K2500 Pickup in top shape, all in one place. Start shopping confidently below for your 1966 GMC K25/K2500 Pickup!

Best-Selling Fuel Tanks for 1966 GMC K25/K2500 Pickups

Enhance the driving experience in your GMC with 1 quality Fuel Tank components, starting at $135.99.

Dorman – Fuel Sending Unit without Pump (Part No.692-134)

Fuel Sending Unit without Pump

from

$135.99
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