2018 GMC Sierra Electrical Parts
- Light Switches
- Light Relays + Sensors
- Fuses
- Air Bag Parts
- Wiring & Cables
- Power + Heated Seats
- Cruise Control
- Control Buttons
- Horns
- Power Mirror Switches + Relays
- Door Lock Actuators + Switches
- Sunroof + Convertible Top Motors
- Window Motors + Switches
- Alternators
- Starters
- Batteries
- A/C Relays, Sensors
- Fuel Sensors & Switches
- Cooling System Switches, Sensors & Relays
- Oxygen Sensors
- Engine Sensors, Relays, Switches & Connectors
- Solenoids, Sensors, Switches, Control Units
- Relays, Cables & Connectors
- Brake System Sensors
- Steering Valves, Relays & Sensors
- Mass Air Flow Sensors
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ACDelco®GM Original Equipment™ Multi Purpose Wire ConnectorGMC Sierra 2018, GM Original Equipment™ Multi Purpose Wire Connector by ACDelco®. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from their immense selection of premium...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$36.33 - $84.53 - Standard®Intermotor™ Electrical ConnectorGMC Sierra 2018, Intermotor™ Electrical Connector by Standard®. For over 100 years, professional technicians have trusted Standard® to replace the failed OE part. Standard® manufacturers the highest-quality, best-performing parts...Each part has high-quality direct replacement electrical connector that eliminates the need for a harness, replacing only the damaged connector, for a cost effective repair solutionThe terminals are manufactured with high grade materials such as copper alloy, brass, and phosphor bronze$47.43
- Standard®Door Remote Mirror SwitchGMC Sierra 2018, Door Remote Mirror Switch by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...High quality at an affordable priceExpertly made from premium materials$53.19 - $84.34
- ACDelco®GM Original Equipment™ Forward Light Harness ConnectorGMC Sierra 2018, GM Original Equipment™ Forward Light Harness Connector by ACDelco®. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from their immense selection of premium...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$21.41 - $30.44
- ACDelco®Genuine GM Parts™ Body Control Module BracketGMC Sierra 2018, Genuine GM Parts™ Body Control Module Bracket by ACDelco®. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from their immense selection of premium replacement...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$7.43 - $8.85
- ACDelco®Genuine GM Parts™ Emergency Vehicle Lamp RelayGMC Sierra With Emergency Lamp Provisions (5X7) 2018, Genuine GM Parts™ Emergency Vehicle Lamp Relay by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$59.12
- ACDelco®Genuine GM Parts™ Headlight Control ModuleGMC Sierra 1500 Base / SLE / SLT 2018, Genuine GM Parts™ Headlight Control Module by ACDelco®. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from their immense selection of...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$32.13 - $154.19
- ACDelco®Genuine GM Parts™ High Intensity Discharge Lighting BallastGMC Sierra 2500 HD / 3500 HD Base / SLE / SLT 2018, Genuine GM Parts™ High Intensity Discharge Lighting Ballast by ACDelco®. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$270.27
- ACDelco®Genuine GM Parts™ Multi Purpose RelayGMC Sierra Crew Cab MILD HYBRID EV-GAS (MHEV) 2018, Genuine GM Parts™ Multi Purpose Relay by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$45.60
- ACDelco®Genuine GM Parts™ Parking Light RelayGMC Sierra 2018, Genuine GM Parts™ Parking Light Relay by ACDelco®. High Current Micro. Finish: Gray. Amperage: 35 Amp. 1st Design. 4-Terminals. Looking to maintain the top condition of your electrical system? We are ready to help...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$11.43
- Dorman®High Intensity Discharge Headlight IgniterGMC Sierra 1500 2018, High Intensity Discharge Headlight Igniter by Dorman®. Terminal Gender: Male, Terminal Material: Plastic, Terminal Type: Blade, Wire Gauge: Not Applicable. Dorman offers a comprehensive line of Relay Connectors for...Reduces voltage drops and helps maintain optimum operating currentAvailable for both 4- and 5-pin connections$41.83
- Standard®Tail Light ConnectorGMC Sierra 3500 HD 2018, Tail Light Connector by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...High quality at an affordable priceExpertly made from premium materials$61.49 - $70.57
- Diode Dynamics®Inline ResistorGMC Sierra 2018, Inline Resistor by Diode Dynamics®. Quantity: 2 Pieces. This is a pair of inline resistors, designed for use with 194, 168, or 921 size bulb applications. Each resistor draws 5 watts of power, the same as a standard 194...Designed to help restore the performance of your electrical systemMade from high-grade materials using the latest techniques$10.00
- ACDelco®GM Genuine Parts™ Multi-Purpose Wire ConnectorGMC Sierra 2018, GM Genuine Parts™ Multi-Purpose Wire Connector by ACDelco®. GM Genuine Parts Multi-Purpose Wire Connectors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These components...Protective outer coverings help provide long-lasting durabilityColor-coded wires allow for easy installation$32.60 - $89.26
- ACDelco®GM Original Equipment™ Body Wiring Harness ConnectorGMC Sierra 2018, GM Original Equipment™ Body Wiring Harness Connector by ACDelco®. ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for...Protective outer coverings help provide long-lasting durabilityColor-coded wires allow for easy installation$38.86 - $46.64
- ACDelco®GM Original Equipment™ Body Wiring Harness ConnectorGMC Sierra 2018, GM Original Equipment™ Body Wiring Harness Connector by ACDelco®. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from their immense selection of premium...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$11.59 - $47.99
- ACDelco®GM Original Equipment™ Chassis Wiring Harness ConnectorGMC Sierra 2018, GM Original Equipment™ Chassis Wiring Harness Connector by ACDelco®. ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for...Protective outer coverings help provide long-lasting durabilityColor-coded wires allow for easy installation$37.49 - $55.60
- ACDelco®GM Original Equipment™ Engine Wiring Harness ConnectorGMC Sierra 2018, GM Original Equipment™ Engine Wiring Harness Connector by ACDelco®. ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for...Protective outer coverings help provide long-lasting durabilityColor-coded wires allow for easy installation$40.61 - $55.60
- ACDelco®GM Original Equipment™ Multi-Purpose Wire ConnectorGMC Sierra 2018, GM Original Equipment™ Multi-Purpose Wire Connector by ACDelco®. ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your...Protective outer coverings help provide long-lasting durabilityColor-coded wires allow for easy installation$34.11 - $39.76
- Standard®Electrical ConnectorGMC Sierra 2018, Electrical Connector by Standard®. For over 100 years, professional technicians have trusted Standard® to replace the failed OE part. Standard® manufacturers the highest-quality, best-performing parts for all import...Each part has high-quality direct replacement electrical connector that eliminates the need for a harness, replacing only the damaged connector, for a cost effective repair solutionThe terminals are manufactured with high grade materials such as copper alloy, brass, and phosphor bronze$35.35 - $51.92
- Standard®Clock SpringGMC Sierra 1500 2018, Clock Spring by Standard®. For over 100 years, professional technicians have trusted Standard® to replace the failed OE part. Standard® manufacturers the highest-quality, best-performing parts for all import and...Direct-fit OE replacement ensures ease of installationDirect replacement that installs to the vehicles existing wiring, which retores full functionality to the airbag and all other optional or standard vehicle devices or sensors$159.69
- Standard®Remote Mirror SwitchGMC Sierra 2018, Remote Mirror Switch by Standard®. Direct-fit OE replacement ensures proper fit, form, and function for ease of installation and proper restoration of power mirror. This top-grade product is expertly made in compliance...Copper alloy conductors ensure superior electrical conductivity with low resistive lossesRobust design and high-grade materials meet stringent quality standards$31.47 - $53.14
- Standard®Lane Departure Warning Seat ActuatorGMC Sierra 2018, Lane Departure Warning Seat Actuator by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation...Premium parts you can rely onDesigned to restore functionality$62.68
- TRQ®Oxygen Sensor SetGMC Sierra 2018, Oxygen Sensor Set by TRQ®. TRQ oxygen sensors are manufactured to precise specifications using premium raw materials to optimize your vehicle’s emission system. Each sensor is isostatically-pressed for improved...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$54.10 - $94.03$56.95 - $97.95Save up to 5%
- ACDelco®GM Original Equipment™ Black Carbon Steering Wheel Cruise Control SwitchGMC Sierra With Cruise Control 2018, GM Original Equipment™ Black Carbon Steering Wheel Cruise Control Switch by ACDelco®. Position: Left. Designed utilizing the latest technology, this product by ACDelco features premium quality and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$63.66 - $65.45
- ACDelco®GM Original Equipment™ Trailer Brake Control ModuleGMC Sierra with Trailer Brake (JL1) and without 2-Speed (NQH, NQF) or Single Speed (NP0) Transfer Case 2018, GM Original Equipment™ Trailer Brake Control Module by ACDelco®. Designed utilizing the latest technology, this product by...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$40.49
- ACDelco®Driver Side Door Lock and Window SwitchGMC Sierra 2 Doors with Manual Windows 2018, Driver Side Door Lock and Window Switch by ACDelco®. Finish: Black Carbon. Material: Plastic. Designed utilizing the latest technology, this product by ACDelco features premium quality and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$45.59
- TRQ®Automatic Transmission Shift SolenoidGMC Sierra 2500 HD / 3500 HD 2018, Automatic Transmission Shift Solenoid by TRQ®. Keep your automatic transmission working properly with this top-grade TRQ shift solenoid. Manufactured to restore the original performance of your...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$25.33$26.95Save $1.62 (6%)
- ACDelco®Genuine GM Parts™ Mass Air Flow SensorGMC Sierra 2018, Genuine GM Parts™ Black Mass Air Flow Sensor by ACDelco®. Make sure your engine breathes properly with our selection of top-quality replacement air intake parts. These parts are made by trusted brands that use the...Perfect solution to keep your air intake system performing the way it was designed toCrafted from the highest grade materials for dependable, long-lasting service$74.93 - $82.54
- TRQ®Oxygen SensorGMC Sierra 2018, Oxygen Sensor by TRQ®. If your oxygen sensor fails, replace it with this top-grade part developed to easily fix the problem. Built to fit and function exactly as the part it is replacing, the product provides excellent...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$34.15 - $35.47$35.95 - $36.95Save up to 5%
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2018 GMC Sierra Electrical Reviews
1 review
Cycling Clutch Sensor
Supercool® - Cycling Pressure SwitchPosted by Jose Manuel (Katy, TX) / June 16, 20201992 Hyundai Sonata