1991 GMC K2500 Electrical Parts

Essential 1991 GMC K2500 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
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Dorman – Electrical Harness – 1-Wire Coolant Temperature Sensor (Part No.85140)

Electrical Harness - 1-Wire Coolant Temperature Sensor

from

$19.29
This engine coolant temperature sensor connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this engine coolant temperature sensor connector matches the appearance and function of the factory hardware on specified applications
  • Ideal solution – this connector is a reliable replacement for an original part that is missing or has failed due to fatigue
  • 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
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ACDelco – Multi-Purpose Wire Connector with Leads (Part No.PT2386)

Multi-Purpose Wire Connector with Leads

from

$33.99
ACDelco Professional Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are a high quality replacement for many vehicles on the road today. These premium aftermarket replacement components are manufactured to meet your expectations for fit, form, and function.

Product Features:
  • Protective outer coverings provide long-lasting durability
  • Color-coded wires allow for easy installation
  • Manufactured to meet expectations for fit, form, and function
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Dorman – Power Window Lift Motor (Part No.742-140)

Power Window Lift Motor

from

$52.99
Window motor worn out? This power window lift motor is precision-engineered to match the fit and performance of the original motor in specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this power window motor is built to match the original lift motor on specific vehicles
  • Cost-effective solution – comparable quality for lower cost than buying replacement at the dealership
  • Seamless installation – manufactured to fit directly into existing wiring systems
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
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ACDelco – Multi-Purpose Pigtail (Part No.PT2296)

Multi-Purpose Pigtail

from

$73.99
ACDelco Professional Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are a high quality replacement for many vehicles on the road today. These premium aftermarket replacement components are manufactured to meet your expectations for fit, form, and function.

Product Features:
  • Protective outer coverings provide long-lasting durability
  • Color-coded wires allow for easy installation
  • Manufactured to meet expectations for fit, form, and function
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Carquest Premium – Windshield Wiper Motor Connector (Part No.PTA1672)

Windshield Wiper Motor Connector

from

$16.99
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
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Carquest Premium – Cigarette Lighter Socket Connector (Part No.PTA1179)

Cigarette Lighter Socket Connector

from

$2.99
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
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Carquest Premium – Diesel Glow Plug Relay Connector (Part No.PTA1578)

Diesel Glow Plug Relay Connector

from

$26.99
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
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Carquest Premium – Cigarette Lighter Socket Connector (Part No.PTA2193)

Cigarette Lighter Socket Connector

from

$26.99
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
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Carquest Premium – Distributor Ignition Pickup Connector (Part No.PTA1044)

Distributor Ignition Pickup Connector

from

$17.79
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
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GM Genuine Parts – Clutch Pedal Position Switch (Part No.D2214A)

Clutch Pedal Position Switch

from

$14.99
GM Genuine Parts Multi Purpose 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
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Carquest – Multi Function Switch (Part No.S3233)

Multi Function Switch

from

$42.99
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
  • Our parts are 100% tested to verify both mechanical and electrical switching performance.
  • Decades of industry leading research and development focused on meeting the technician’s 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
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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
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Carquest Premium – 4WD Indicator Light Switch Connector (Part No.PTA1643)

4WD Indicator Light Switch Connector

from

$33.99
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
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BSE Original – Cruise Control Module (Part No.RCC7434)

Cruise Control Module

from

$79.99
Blue Streak Electronics is the leader in remanufactured electronics since 1987 and a name synonymous with OE performance. Blue Streak Electronics provides the highest quality, most comprehensive line of Engine, Transmission, Body, Powertrain control modules, Mass Air Flow Sensors, Diagnostic tools and Flash Programming solutions.

Product Features:
  • BSE Remanufactured Cruise Control Modules are 100% tested to perform like new. OEM designs are analyzed, and design upgrades are implemented when necessary to provide improved durability over the OEM design.
  • OEM Modules are completely disassembled, cleaned, and inspected for wear & damage.
  • Worn and non-functioning components are replaced with upgraded new components to improve reliability and performance.
  • Common fail components are 100% replaced with new higher quality components.
  • All modules are 100% tested to meet or exceed OEM performance specifications.
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Carquest Premium – Automatic Transmission Shift Lock Control Solenoid Connector (Part No.PTA1964)

Automatic Transmission Shift Lock Control Solenoid Connector

from

$27.99
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
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Carquest – Air Charge Temperature Sensor Connector (Part No.PT191)

Air Charge Temperature Sensor Connector

from

$11.49
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 control modules feature double wire bonds for better connections, greater dependability and longer life despite being subjected to intense vibration and the tough operating environment
  • Copper slug heat sinks provide better heat dissipation to prevent heat from damaging the module
  • Our ignition modules will respond to a weak signal from the crankshaft position sensor and begin energizing the coils immediately for better starts in cold weather
  • High-temperature polymer housing reducing moisture intrusion and minimizes vibration damage for extended life and improved reliability
  • Our ignition modules are durability tested for 500 thermal cycles ranging from -40C to +125C
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Carquest Premium – Engine Coolant Temperature Sending Unit Switch Connector (Part No.PTA1124)

Engine Coolant Temperature Sending Unit Switch Connector

from

$43.99
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
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Dorman – Help – Tail Light Circuit Board (Part No.70001)

Tail Light Circuit Board

from

$38.99
Tail light not working because the circuit board burnt out? This tail light circuit board seamlessly replaces the failure-prone circuit board that comes stock on certain vehicle years, makes and models, restoring light function.

Product Features:
  • Seamless replacement – this tail light circuit board directly replaces the circuit board that comes stock on specified vehicles’ tail lights
  • Easy installation – simply detach the failed circuit board and plug in this one
  • Required repair – tail light won’t function without replacing a melted circuit board
  • Excellent value – part matches performance of the original equipment at lower cost than going back to the dealership
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Carquest Premium – Engine Cooling Fan Switch Connector (Part No.PTA1441)

Engine Cooling Fan Switch Connector

from

$22.99
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
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Carquest Premium – Oil Pressure Switch Connector (Part No.PTA1259)

Oil Pressure Switch 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 – ABS Wheel Speed Sensor Connector (Part No.PTA1003)

ABS Wheel Speed Sensor Connector

from

$22.99
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 – 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.
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Carquest – Back Up Light Connector (Part No.PT343)

Back Up Light Connector

from

$26.05
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
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MSD Ignition – Harness; MSD 6 to GM Dual Connector Coil (Part No.8876)

Harness; MSD 6 to GM Dual Connector Coil

from

$70.99
MSD Ignition control are easy to install, but we also offer several direct plug-in harnesses for late model vehicles! The harnesses plug directly into your factory coil and harness then four color coded wires plug into the corresponding wires of the MSD.

Product Features:
  • Plug-In Harness w/Color Coded Wires
  • No Cutting Or Splicing
  • Quick Easy Installation
  • Provides A Direct Plug-In Installation
  • When Adding An MSD Ignition Control
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BSE Original – Cruise Control Servo (Part No.RCC7034)

Cruise Control Servo

from

$106.99
Blue Streak Electronics is the leader in remanufactured electronics since 1987 and a name synonymous with OE performance. Blue Streak Electronics provides the highest quality, most comprehensive line of Engine, Transmission, Body, Powertrain control modules, Mass Air Flow Sensors, Diagnostic tools and Flash Programming solutions.

Product Features:
  • BSE Remanufactured Cruise Control Servos are 100% tested to perform like new. OEM designs are analyzed, and design upgrades are implemented when necessary to provide improved durability over the OEM design.
  • OEM Servos are completely disassembled, cleaned, and inspected for wear & damage.
  • Worn and non-functioning components are replaced with upgraded new components to improve reliability and performance.
  • Common fail components are 100% replaced with new higher quality components.
  • All Servos are 100% tested to meet or exceed OEM performance specifications.
See More

ACDelco – Multi-Purpose Switch (Part No.G1807)

Multi-Purpose Switch

from

$17.99
ACDelco Professional Engine Oil Pressure Switch is a high quality aftermarket replacement component for one or more of the following vehicle systems: engine – mechanical. This premium aftermarket switch 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

Carquest Premium – Barometric Pressure Sensor Connector (Part No.PTA1166)

Barometric Pressure Sensor Connector

from

$17.79
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

1991 GMC K2500 Electrical Parts

You count on your 1991 GMC K2500 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 48 Electrical Parts ranging in price from $2.99 to $179.99, you’re sure to find everything you need for your 1991 GMC K2500.

Brands matter. If you want to shop a specific Electrical Parts brand, we stock 10 different brands like Dorman, Carquest, and Carquest Premium. 1991 GMC K2500 Electrical Parts start as low as $2.99!

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 1,150 extensive product reviews on 1991 GMC K2500 Electrical Parts. Some of the top-rated Electrical Parts products we carry are Engine Oil Pressure Switch with 4.5 stars and Wiring Harness with 2.8 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 1991 GMC K2500 below to get started!

Top-Rated Electrical Parts Brands For Your 1991 GMC K2500

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 1991 GMC K2500 running right for years to come. In our inventory you’ll find brands like Dorman, Carquest, Carquest Premium, 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 1991 GMC K2500 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 1991 GMC K2500, 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
Multi Function Switch
from $42.99
(16)
Multi Function Switch
Emergency Warning Switches

FAQs for 1991 GMC K2500 Electrical Parts

What are the most purchased Electrical Parts for the 1991 GMC K2500?

Out of 48 Electrical Parts for the 1991 GMC K2500, the most popular in our inventory are:
Tail Light Circuit Board
from $38.99
(30)
Tail Light Circuit Board
Pigtails
Power Window Lift Motor
from $42.99
(3)
Power Window Lift Motor
Window Lift Motors
Power Window Lift Motor
from $42.99
(6)
Power Window Lift Motor
Window Lift Motors

What are the top-rated 1991 GMC K2500 Electrical Parts?

Top-rated Electrical Parts for your 1991 GMC K2500 based on customer reviews/ratings are:
Engine Oil Pressure Switch
from $24.29
(12)
Engine Oil Pressure Switch
“I replaced the old leaky oil sending unit on my 91 Silverado with this one. It looks identical and fit perfectly. As soon as I hooked up the wires it ”
Wiring Harness
from $17.99
(4)
Wiring Harness
“none”
Harness; MSD 6 to GM Dual Connector Coil
from $70.99
(3)
Harness; MSD 6 to GM Dual Connector Coil
“Great”