2021 GMC Sierra 2500 HD Electrical Parts

Essential Electrical Parts for 2021 GMC Sierra 2500 HDs

ACDelco – Evaporation Pres Sen (Part No.E2070465981ACD)

Evaporation Pres Sen

from

$105.35
Evaporation Pres Sen

Putco – Tailgate Wiring Harness (Part No.529005)

Tailgate Wiring Harness

from

$101.99
Putco Blade LED light bar Quick Connect is constructed out of heavy-duty 16 gauge 100 Percent copper trailer wire. This quick connect is custom designed to make installing your Putco Blade simple. Installing your Blade LED with the plug-n-play Quick will drop your install time from hours to minutes. This eliminates the possibility of install error significantly. Our Quick Connect keeps factory wiring intact to eliminate issues with your vehicle factory warranty.

Product Features:
  • Trouble Free Connection: Eliminates Issues Of Connecting To The Trailering Electrical System By Connecting Into The Tail-Lamps While Keeping Your OEM Connections Intact
  • Provides An Additional 4-Pin Connector For Your Blade (TM) Or Red Blade (TM) Allowing You To Use Your OEM 4-Pin Connector When Needed
  • Plug And Play, No Cutting Or Splicing Your Factory Wires On Your Vehicle
  • Quick Connect Design, Heavy-Duty 16 Gauge, 100 Percent Copper Trailering Wire
  • Cuts Installation Time Into Just A Few Quick Minutes
See More

Carquest – Engine Oil Pressure Switch (Part No.S4521)

Engine Oil Pressure Switch

from

$88.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • Top-of-the-line quality and performance
  • Undergoes extensive testing to ensure reliability
  • As a global manufacturer of automotive aftermarket products, we maintain complete quality control throughout the manufacturing process
See More

ACDelco – Engine Oil Pressure Sensor (Part No.D1818A)

Engine Oil Pressure Sensor

from

$74.99
ACDelco GM Original Equipment Engine Oil Pressure Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

Product Features:
  • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
  • ACDelco GM Original Equipment 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

ACDelco – Oil Pressure Sender (Part No.P4030681698ACD)

Oil Pressure Sender

from

$101.89
Oil Pressure Sender

Driveworks – Oil Pressure Gauge Switch (Part No.59018)

Oil Pressure Gauge Switch

from

$55.99
Driveworks® offers a line of aftermarket parts and accessories that are commercially acceptable and competitively priced, which provides professional technicians and DIYers with an affordable alternative for repairs.

Product Features:
  • Direct-fit OE replacement ensures ease of installation
  • Designed to meet OE performance
  • As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
  • As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
See More

Carquest – Engine Oil Pressure Switch (Part No.S4202)

Engine Oil Pressure Switch

from

$78.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • High temperatures, polyimide film diaphragms are used in production for exceptional cycle durability & resistance to rupture & oil leakage. Units are designed to handle rapid pressure pulsations, without component damage.
  • All units are 100% tested using automated equipment that activates the switch, checks for leaks & stresses the part to ensure specification compliance, even under the most demanding operating conditions
  • Robust design and high grade materials meet the stringent demands of today’s service professional
See More

Carquest Premium – Engine Oil Pressure Sensor (Part No.SBC1004)

Engine Oil Pressure Sensor

from

$77.99
Carquest Premium oil pressure sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium oil pressure sensors and switches are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium oil pressure sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium oil pressure sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered, and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Manufactured with high quality materials, industry-leading electronic components and strict quality controls
  • O-rings, seals or thread sealant are included if required
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Carquest Premium – Engine Oil Pressure Sensor (Part No.SBC1074)

Engine Oil Pressure Sensor

from

$116.99
Carquest Premium oil pressure sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium oil pressure sensors and switches are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium oil pressure sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium oil pressure sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered, and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Manufactured with high quality materials, industry-leading electronic components and strict quality controls
  • O-rings, seals or thread sealant are included if required
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Carquest Premium – Engine Oil Pressure Switch (Part No.SBC1023)

Engine Oil Pressure Switch

from

$71.99
Carquest Premium oil pressure sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium oil pressure sensors and switches are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium oil pressure sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium oil pressure sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered, and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
See More

Carquest – Engine Oil Pressure Sensor (Part No.59C1001)

Engine Oil Pressure Sensor

from

$61.99
Carquest oil pressure sensors and switches are designed to meet original equipment (O.E.) fit, form and function and are built to ensure reliable performance at a great price. Each oil pressure sensor or switch is 100% tested to ensure proper performance and a trouble-free installation. Carquest oil pressure sensors and switches are a cost-effective solution for your engine management repair. Carquest oil pressure sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Long service life and durable performance
  • 100% tested for proper performance
  • O-rings, seals or thread sealant are included if required
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Carquest Premium – Engine Oil Pressure Sensor (Part No.SBC1182)

Engine Oil Pressure Sensor

from

$94.99
Carquest Premium oil pressure sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium oil pressure sensors and switches are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium oil pressure sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium oil pressure sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered, and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Manufactured with high quality materials, industry-leading electronic components and strict quality controls
  • O-rings, seals or thread sealant are included if required
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Carquest – Engine Oil Pressure Switch (Part No.S4074)

Engine Oil Pressure Switch

from

$41.05
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • In construction, we utilize high temperature, polyimide film diaphragms. These provide for exceptional cycle durability & resistance to rupture & oil leakage. Units are designed to handle rapid pressure pulsations, without component damage.
  • All units are 100% tested using automated equipment that activates the switch, checks for leaks & stresses the part to ensure specification compliance, even under the most demanding operating conditions.
  • Robust design and high grade materials meet the stringent demands of today’s service professional
  • BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product
See More

Carquest – Engine Oil Pressure Switch (Part No.59C1006)

Engine Oil Pressure Switch

from

$34.49
Carquest oil pressure sensors and switches are designed to meet original equipment (O.E.) fit, form and function and are built to ensure reliable performance at a great price. Each oil pressure sensor or switch is 100% tested to ensure proper performance and a trouble-free installation. Carquest oil pressure sensors and switches are a cost-effective solution for your engine management repair. Carquest oil pressure sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Long service life and durable performance
  • 100% tested for proper performance
  • O-rings, seals or thread sealant are included if required
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Dorman – Engine Oil Pressure Sensor With Filter (Part No.926-040)

Engine Oil Pressure Sensor With Filter

from

$57.99
This engine oil pressure sensor is designed to match the function of an original sensor on specified vehicles. It is engineered to help accurately monitor oil pressure when an original sensor has failed from heat or internal component damage.

Product Features:
  • Direct replacement – this engine oil pressure sensor is designed to match the fit and function of an original sensor on specified vehicles.
  • Ideal solution – engineered to help accurately monitor oil pressure when an original sensor has failed from heat or internal component damage.
  • 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

Carquest Premium – Engine Oil Pressure Sensor (Part No.SBC1007)

Engine Oil Pressure Sensor

from

$88.99
Carquest Premium oil pressure sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium oil pressure sensors and switches are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium oil pressure sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium oil pressure sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered, and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Manufactured with high quality materials, industry-leading electronic components and strict quality controls
  • O-rings, seals or thread sealant are included if required
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Dorman – Engine Oil Pressure Sensor (Part No.926-397)

Engine Oil Pressure Sensor

from

$41.99
This engine oil pressure sensor is designed to match the function of an original sensor on specified vehicles. It is engineered to help accurately monitor oil pressure when an original sensor has failed from heat or internal component damage.

Product Features:
  • Direct replacement – this engine oil pressure sensor is designed to match the fit and function of an original sensor on specified vehicles.
  • Ideal solution – engineered to help accurately monitor oil pressure when an original sensor has failed from heat or internal component damage.
  • 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

Carquest Premium – Engine Oil Pressure Sensor (Part No.SBC1225)

Engine Oil Pressure Sensor

from

$77.99
Carquest Premium oil pressure sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium oil pressure sensors and switches are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium oil pressure sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium oil pressure sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered, and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Manufactured with high quality materials, industry-leading electronic components and strict quality controls
  • O-rings, seals or thread sealant are included if required
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Carquest Premium – Engine Oil Pressure Switch (Part No.SBA1975)

Engine Oil Pressure Switch

from

$49.49
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

Carquest – Engine Oil Pressure Switch (Part No.59C1004)

Engine Oil Pressure Switch

from

$55.99
Carquest oil pressure sensors and switches are designed to meet original equipment (O.E.) fit, form and function and are built to ensure reliable performance at a great price. Each oil pressure sensor or switch is 100% tested to ensure proper performance and a trouble-free installation. Carquest oil pressure sensors and switches are a cost-effective solution for your engine management repair. Carquest oil pressure sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Long service life and durable performance
  • 100% tested for proper performance
  • O-rings, seals or thread sealant are included if required
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

ACDelco – Oil Pressure Sender (Part No.P4030922030ACD)

Oil Pressure Sender

from

$112.16
Oil Pressure Sender

ACDelco – Engine Oil Pressure Sensor (Part No.12673134)

Engine Oil Pressure Sensor

from

$83.99
ACDelco GM Original Equipment Engine Oil Pressure Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

Product Features:
  • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
  • ACDelco GM Original Equipment 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 – Engine Oil Pressure Switch (Part No.SBC1025)

Engine Oil Pressure Switch

from

$49.49
Carquest Premium oil pressure sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium oil pressure sensors and switches are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium oil pressure sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium oil pressure sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered, and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
See More

ACDelco – Engine Oil Pressure Sensor (Part No.12677836)

Engine Oil Pressure Sensor

from

$83.99
ACDelco GM Original Equipment Multi Purpose Pressure Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

Product Features:
  • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
  • ACDelco GM Original Equipment 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

ACDelco – Oil Pressure Sender (Part No.P4030351702ACD)

Oil Pressure Sender

from

$72.09
Oil Pressure Sender

Carquest Premium – Engine Oil Pressure Sensor (Part No.SBC2004)

Engine Oil Pressure Sensor

from

$81.99
Carquest Premium oil pressure sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium oil pressure sensors and switches are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium oil pressure sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium oil pressure sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered, and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
See More

ACDelco – Oil Pressure Sender (Part No.P4030568066ACD)

Oil Pressure Sender

from

$113.30
Oil Pressure Sender

Dorman – Engine Oil Pressure Sensor With Filter (Part No.926-041)

Engine Oil Pressure Sensor With Filter

from

$61.99
This engine oil pressure sensor is designed to match the function of an original sensor on specified vehicles. It is engineered to help accurately monitor oil pressure when an original sensor has failed from heat or internal component damage.

Product Features:
  • Direct replacement – this engine oil pressure sensor is designed to match the fit and function of an original sensor on specified vehicles.
  • Ideal solution – engineered to help accurately monitor oil pressure when an original sensor has failed from heat or internal component damage.
  • 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

Upgrade your 2021 GMC Sierra 2500 HD with Top-Quality Electrical Parts

When it comes to maintaining or upgrading your 2021 GMC Sierra 2500 HD, 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, Electrical Parts are key to keeping your Sierra 2500 HD functioning at its best. At Advance Auto Parts, we offer a wide selection of 4 Electrical Parts for the 2021 GMC Sierra 2500 HD, designed to meet your needs without breaking the bank. From Switches, Sensors & Relay replacements to Electrical Connectors upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Electrical Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Electrical Parts for your 2021 GMC Sierra 2500 HD at great prices. Our Electrical Parts inventory for this model ranges from just $41.99 to $105.35, with an average price of $78.89. Our 4 Electrical Parts in stock come from 4 trusted brands, so you’re sure to find the right part for your 2021 GMC Sierra 2500 HD 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 Electrical Part upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2021 GMC Sierra 2500 HD is always ready to roll. We’re committed to providing you with everything you need to keep your Sierra 2500 HD in top shape, all in one place. Start shopping confidently below for your 2021 GMC Sierra 2500 HD!

Best-Selling Switches, Sensors & Relays for 2021 GMC Sierra 2500 HDs

Enhance the driving experience in your GMC with 1 quality Switches, Sensors & Relay components, starting at $105.35.

ACDelco – Evaporation Pres Sen (Part No.E2070465981ACD)

Evaporation Pres Sen

from

$105.35
Evaporation Pres Sen

Most Popular 2021 GMC Sierra 2500 HD Electrical Connectors

Customize your GMC with 3 Electrical Connectors products like Oil Pressure Switch and Senders and Side Marker Lamp Connectors, all priced under $101.99.

Carquest Premium – Engine Oil Pressure Sensor (Part No.SBC1225)

Engine Oil Pressure Sensor

from

$77.99
Carquest Premium oil pressure sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium oil pressure sensors and switches are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium oil pressure sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium oil pressure sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered, and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Manufactured with high quality materials, industry-leading electronic components and strict quality controls
  • O-rings, seals or thread sealant are included if required
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Dorman – Engine Oil Pressure Sensor (Part No.926-397)

Engine Oil Pressure Sensor

from

$41.99
This engine oil pressure sensor is designed to match the function of an original sensor on specified vehicles. It is engineered to help accurately monitor oil pressure when an original sensor has failed from heat or internal component damage.

Product Features:
  • Direct replacement – this engine oil pressure sensor is designed to match the fit and function of an original sensor on specified vehicles.
  • Ideal solution – engineered to help accurately monitor oil pressure when an original sensor has failed from heat or internal component damage.
  • 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

Putco – Tailgate Wiring Harness (Part No.529005)

Tailgate Wiring Harness

from

$101.99
Putco Blade LED light bar Quick Connect is constructed out of heavy-duty 16 gauge 100 Percent copper trailer wire. This quick connect is custom designed to make installing your Putco Blade simple. Installing your Blade LED with the plug-n-play Quick will drop your install time from hours to minutes. This eliminates the possibility of install error significantly. Our Quick Connect keeps factory wiring intact to eliminate issues with your vehicle factory warranty.

Product Features:
  • Trouble Free Connection: Eliminates Issues Of Connecting To The Trailering Electrical System By Connecting Into The Tail-Lamps While Keeping Your OEM Connections Intact
  • Provides An Additional 4-Pin Connector For Your Blade (TM) Or Red Blade (TM) Allowing You To Use Your OEM 4-Pin Connector When Needed
  • Plug And Play, No Cutting Or Splicing Your Factory Wires On Your Vehicle
  • Quick Connect Design, Heavy-Duty 16 Gauge, 100 Percent Copper Trailering Wire
  • Cuts Installation Time Into Just A Few Quick Minutes
See More

FAQs for 2021 GMC Sierra 2500 HD Electrical Parts

Which Electrical Parts are best-sellers for 2021 GMC Sierra 2500 HDs?

Out of 4 Electrical Parts that fit 2021 GMC Sierra 2500 HDs, the following parts are the top sellers:

What’s the price range for 2021 GMC Sierra 2500 HD Electrical Parts?

Electrical Part prices for the 2021 GMC Sierra 2500 HD start at $41.99 and go up to $105.35 for the most premium parts.

What’s the average price of a Electrical Part for a 2021 GMC Sierra 2500 HD?

The average price for Electrical Parts for the 2021 GMC Sierra 2500 HD is $78.89. Keep in mind the variety of part types within our Electrical Part category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Electrical Parts for other GMC Sierra 2500 HD model years?

Yes, we currently carry Electrical Parts for 23 model years of GMC Sierra 2500 HDs between 2001 and 2024. Electrical Parts are bought most frequently for the following model years: 2022, 2020, 2019, 2018, 2017, 2016, 2015, 2014, and 2013.

What are the cheapest Electrical Parts for my 2021 GMC Sierra 2500 HD?

The cheapest 2021 GMC Sierra 2500 HD Electrical Parts we carry in stock are:

What types of Electrical Parts do you sell for my 2021 GMC Sierra 2500 HD?

As of 2/5/25, these are some of the most in-demand types of Electrical Parts for a 2021 GMC Sierra 2500 HD:

Can I get help with 2021 GMC Sierra 2500 HD Electrical Part orders?

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

What is your return policy for GMC Sierra 2500 HD Electrical Parts?

Advance Auto Parts keeps returns simple. For new GMC Sierra 2500 HD Electrical Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.