2012 GMC Sierra 2500 HD Electrical Parts

Essential 2012 GMC Sierra 2500 HD Electrical Parts

ACDelco – Multi-Purpose Wire Connector with Leads (Part No.PT2319)

Multi-Purpose Wire Connector with Leads

from

$53.99
ACDelco Professional Throttle Position Sensor Connector is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, starting and charging, body-electrical and lighting, and/or engine fuel management. This premium aftermarket connector is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
See More

ACDelco – 7-Way Female Gray Multi-Purpose Pigtail (Part No.PT1391)

7-Way Female Gray Multi-Purpose Pigtail

from

$97.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

Carquest – A/C Auto Temperature Control Relay (Part No.R3107)

A/C Auto Temperature Control Relay

from

$18.99
Product Features:
  • Our units are all pre-aligned & pre-adjusted to save installation time and ensure proper switching.
  • A lubricated felt pad that lubricates the cam lobes on the vehicles distributor. This reduces wear on the point set rubbing block, extending the usable life of the part.
  • Ventilated where available, tungsten contacts, which run cooler and exhibit less erosion.
  • The copper-alloy shunt provides superior resistance to breakage, due to the flexing of the moving arm on the point set. It also significantly increases current conductivity over typical steel, shunts.
See More

Carquest Premium – Headlight Connector (Part No.PTA2096)

Headlight Connector

from

$81.99
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.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Carquest Premium – Body Wiring Harness Connector (Part No.PTA2051)

Body Wiring Harness Connector

from

$38.99
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.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Carquest Premium – Air Charge Temperature Sensor Connector (Part No.PTA3123)

Air Charge Temperature Sensor Connector

from

$123.99
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

Carquest Premium – Combination Switch (Part No.SAE1192)

Combination Switch

from

$64.99
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

ACDelco – Multi-Purpose Wire Connector (Part No.PT2784)

Multi-Purpose Wire Connector

from

$37.49
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

Dorman – Help – Plug Retainer (Part No.57020)

Plug Retainer

from

$4.99
This 12 volt accessory power outlet cover is designed to match the fit, appearance and function of the original cover on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this 12 volt accessory power outlet cover is designed to match the fit, appearance and function of the original cover on specified vehicles
  • Restores functionality – this cover is made to fully restore appearance and functionality after the original part fails
  • 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 – Front Impact Sensor (Part No.590-223)

Front Impact Sensor

from

$211.99
This air bag impact sensor is designed to match the fit and function of the original sensor on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this air bag impact sensor is designed to match the fit and function of the original sensor on specified vehicles
  • Ideal solution – this sensor is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction
  • Durable construction – this sensor is made from quality components to ensure reliable performance and a 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 – Air Bag Impact Sensor (Part No.CTA1139)

Air Bag Impact Sensor

from

$619.99
Air Bag Impact Sensor

Carquest Premium – Fog Light Connector (Part No.PTA1004)

Fog Light Connector

from

$11.49
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.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Carquest Premium – Connector (Part No.PTA2867)

Connector

from

$15.79
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.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Carquest Premium – Vapor Canister Purge Solenoid Connector (Part No.PTA1093)

Vapor Canister Purge Solenoid Connector

from

$23.99
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.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Carquest Premium – Engine Crankshaft Position Sensor Connector (Part No.PTA1591)

Engine Crankshaft Position Sensor Connector

from

$63.99
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

Dorman – Window Regulator & Motor Assembly: Power, 1 Pack (Part No.741-443)

Window Regulator & Motor Assembly: Power, 1 Pack

from

$90.99
The original equipment window regulator fails when the cable stresses over time. This Dorman OE FIX replacement features added cable guides and sheathing to counteract elongation and resist reel binding.

Product Features:
  • Power Window Regulator And Motor Assembly
  • Window Regulator & Motor Assembly: Power, 1 Pack
  • The original equipment window regulator fails when the cable stresses over time. This Dorman OE FIX replacement features added cable guides and sheathing to counteract elongation and resist reel binding.
  • Improved replacement – this window regulator and motor assembly features enhancements over the factory part for greater reliability
  • Failure-resistant design – features cable tension springs to resist cable reel binding from medium-term elongation
See More

Factory Air – Harness Connector (Part No.37231)

Harness Connector

from

$26.99
OE style connectors; Molded plastic construction; Quality contacts ensure proper conductivity; Universal applications
See More

Carquest Premium – Multi Purpose Connector (Part No.PTC1835)

Multi Purpose Connector

from

$43.99
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

ACDelco – Multi-Purpose Pigtail (Part No.PT2834)

Multi-Purpose Pigtail

from

$39.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

Carquest – Multi Function Switch (Part No.S14344)

Multi Function Switch

from

$134.05
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
  • Our parts are 100% tested to verify both mechanical and electrical switching performance.
  • Decades of research to meet all of your needs
  • 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 Premium – Instrument Panel Wiring Junction Block Connector (Part No.PTC2397)

Instrument Panel Wiring Junction Block Connector

from

$141.99
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

Tech Smart – Headlight Wiring Harness (Part No.F90006)

Headlight Wiring Harness

from

$14.79
Qualities that have made SMP an industry leader for more than 95 years, innovation, engineering expertise, superior quality, meticulous testing, unmatched customer service, competitive pricing, and brand integrity, are at the heart of every TechSmart part.

Product Features:
  • 14 gauge wire for better conductivity
  • Complete “plug & play” design plugs between the factory harness and new bulb for ease of installation
  • Can be used as a pigtail if the original connector is melted
  • High-temp connector prevents melting caused by high-intensity H11 bulbs
  • Fiberglass wrapping prevents chafing
  • All TechSmart® parts meet or exceed OE performance, providing today’s technician with the quality parts needed to get the job done right, the first time
See More

Carquest Premium – Cross Body Wiring Harness Connector (Part No.PTA2575)

Cross Body Wiring Harness Connector

from

$25.99
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.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Carquest – Engine Crankshaft Position Sensor Connector (Part No.PT5666)

Engine Crankshaft Position Sensor Connector

from

$67.99
BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:
  • Our distributor caps are made of high dielectric strength, glass/mineral reinforced polyester resin for less carbon tracking, greater resistance to electrical breakdown, and superior performance
  • Solid brass terminals (where available) make better connections and greater resistance to electrical pitting and corrosion
  • RFI resistors where specified to eliminate radio static and potential ECU-damaging spikes
  • With industry leading expertise, when original equipment fails our products are designed to fix the inherent failure issues
  • 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 Premium – Parking Aid Sensor (Part No.BWA1004)

Parking Aid Sensor

from

$48.99
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

Carquest Premium – Oil Pressure Switch Connector (Part No.PTA2952)

Oil Pressure Switch Connector

from

$75.99
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

Carquest Premium – Accessory Power Receptacle Connector (Part No.PTA1817)

Accessory Power Receptacle Connector

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.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Dorman – Push-Pull Rivet-Rocker Panel – 9 mm Hole, 22 mm Stem, 15 mm Head (Part No.963-093D)

Push-Pull Rivet-Rocker Panel - 9 mm Hole, 22 mm Stem, 15 mm Head

from

$4.49
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
See More

2012 GMC Sierra 2500 HD Electrical Parts

You count on your 2012 GMC Sierra 2500 HD to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Electrical Parts. With 59 Electrical Parts ranging in price from $4.49 to $619.99, you’re sure to find everything you need for your 2012 GMC Sierra 2500 HD.

Brands matter. If you want to shop a specific Electrical Parts brand, we stock 8 different brands like Carquest, Dorman, and Tech Smart. 2012 GMC Sierra 2500 HD Electrical Parts start as low as $4.49!

One of the best ways to find top quality OEM or aftermarket Electrical Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 991 extensive product reviews on 2012 GMC Sierra 2500 HD Electrical Parts. Some of the top-rated Electrical Parts products we carry are Window Regulator & Motor Assembly: Power, 1 Pack with 4.8 stars and Front Impact Sensor with 4.5 stars.

Did we mention you can order your Electrical Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Electrical Parts inventory for your 2012 GMC Sierra 2500 HD below to get started!

Top-Rated Electrical Parts Brands For Your 2012 GMC Sierra 2500 HD

Trusted Electrical Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2012 GMC Sierra 2500 HD running right for years to come. In our inventory you’ll find brands like Carquest, Dorman, Tech Smart, and even more.

Popular Factory Air Electrical Parts

You’ll find popular Factory Air brand products across Electrical Connectors. All are waiting to get your 2012 GMC Sierra 2500 HD back on the road. Some of the top-rated Factory Air products in these categories are:
Harness Connector
from $26.99
(1)
Harness Connector
Coolant Temperature Sensor Connectors

Top-Rated Carquest Electrical Parts


If Carquest are what you’re looking for, our inventory holds plenty. We stock Carquest brand Electrical Parts for your 2012 GMC Sierra 2500 HD, and some of our most reviewed Carquest parts include:
Air Charge Temperature Sensor Connector
from $11.49
(33)
Air Charge Temperature Sensor Connector
Crankshaft Position Sensor Connectors
Engine Oil Pressure Switch
from $88.99
(12)
Engine Oil Pressure Switch
Oil Pressure Switch and Senders
Engine Crankshaft Position Sensor Connector
from $67.99
(1)
Engine Crankshaft Position Sensor Connector
Crankshaft Position Sensor Connectors

FAQs for 2012 GMC Sierra 2500 HD Electrical Parts

What are the most purchased Electrical Parts for the 2012 GMC Sierra 2500 HD?

Out of 59 Electrical Parts for the 2012 GMC Sierra 2500 HD, the most popular in our inventory are:
Headlight Wiring Harness
from $14.79
(17)
Headlight Wiring Harness
Cornering Light Wiring Harness
Engine Oil Pressure Sensor With Filter
from $61.99
This product is not rated
Engine Oil Pressure Sensor With Filter
Oil Pressure Switch and Senders
Engine Oil Pressure Sensor
from $88.99
This product is not rated
Engine Oil Pressure Sensor
Oil Pressure Switch and Senders

What are the top-rated 2012 GMC Sierra 2500 HD Electrical Parts?

Top-rated Electrical Parts for your 2012 GMC Sierra 2500 HD based on customer reviews/ratings are:
Window Regulator & Motor Assembly: Power, 1 Pack
from $76.99
(5)
Window Regulator & Motor Assembly: Power, 1 Pack
“Looks like they improved the design from OEM (gone through 2 OEM already). Can’t beat the life time warrantee and fits my extended cab rear power wind”
Front Impact Sensor
from $153.99
(2)
Front Impact Sensor
“As described”
A/C Auto Temperature Control Relay
from $18.99
(1)
A/C Auto Temperature Control Relay
“Good replacement part fits like oem”