Contact Us Live Chat or 1-888-220-8330
Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Login/Register My Account Track Order Help Center Contact Us
Replacement and OEM Parts for 2018 GMC Sierra 2500 HD Light Relays, Switches & Control Modules

2018 GMC Sierra 2500 HD Light Relays, Switches & Control Modules

My Vehicle Change Vehicle
2018 GMC Sierra 2500 HD
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Electrical & Lighting

15 products about 2018 GMC Sierra 2500 HD Light Relays, Switches & Control Modules found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM 2018 GMC Sierra 2500 HD Module Asm-Accessory Ac & Dc Power Control Diagram - 84181077
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Module Asm-Accessory Ac & Dc Power Control

    PartNumber: 84181077
    OEM 2018 GMC Sierra 2500 HD Module Asm-Accessory Ac & Dc Power Control - 84181077
    Product Specifications
    • Notes: 110 Volt Power Outlet
    • Other Names: Module
    • Item Dimensions: 8.4 x 6.3 x 3.1 inches
    • Item Weight: 2.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 23472991, 22817310, 23217954, 23287325
    • Part Description: 2018 GMC Sierra 2500 HD Module Asm-Accessory Ac & Dc Power Control
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
    $93.26 MSRP: $185.05
    You Save: $91.79 (50%)
  • OEM 2018 GMC Sierra 2500 HD Headlamp Switch Diagram - 84448511
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Headlamp Switch

    PartNumber: 84448511
    OEM 2018 GMC Sierra 2500 HD Headlamp Switch - 84448511
    Product Specifications
    • Notes: W/Fog Lamps, All; Sierra; W/Fog Lamp
    • Other Names: Headlamp Switch
    • Item Dimensions: 3.8 x 3.2 x 1.9 inches
    • Item Weight: 0.60 Pounds
    • Material: Carbon
    • Fitment Type: Direct Replacement
    • Replaces: 23171487, 23187804, 84154108, 22752191
    • Part Description: 2018 GMC Sierra 2500 HD Headlamp Switch
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
    $45.24 MSRP: $68.25
    You Save: $23.01 (34%)
  • OEM 2018 GMC Sierra 2500 HD Body Control Module Assembly Diagram - 13528945
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Body Control Module Assembly

    PartNumber: 13528945
    OEM 2018 GMC Sierra 2500 HD Body Control Module Assembly - 13528945
    Product Specifications
    • Notes: Silverado, Sierra
    • Other Names: Body Control Module, Module
    • Item Dimensions: 8.9 x 8.4 x 3.4 inches
    • Item Weight: 3.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 13595583
    • Part Description: 2018 GMC Sierra 2500 HD Body Control Module Assembly
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
    $71.18 MSRP: $147.82
    You Save: $76.64 (52%)
  • OEM 2018 GMC Sierra 2500 HD Headlamp Switch Diagram - 84448512
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Headlamp Switch

    PartNumber: 84448512
    OEM 2018 GMC Sierra 2500 HD Headlamp Switch - 84448512
    Product Specifications
    • Notes: W/O Fog Lamps, All; Sierra; W/O Fog Lamp
    • Other Names: Headlamp Switch
    • Item Dimensions: 4.1 x 3.1 x 2.0 inches
    • Item Weight: 3.80 Pounds
    • Material: Carbon
    • Fitment Type: Direct Replacement
    • Replaces: 22752193, 84154109, 23171488, 23187805
    • Part Description: 2018 GMC Sierra 2500 HD Headlamp Switch
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
    $45.60 MSRP: $68.80
    You Save: $23.20 (34%)
  • OEM 2018 GMC Sierra 2500 HD Signal Lever Diagram - 22982103
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Signal Lever

    PartNumber: 22982103
    OEM 2018 GMC Sierra 2500 HD Signal Lever - 22982103
    Product Specifications
    • Notes: Silverado, Sierra
    • Item Dimensions: 5.2 x 5.1 x 11.3 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 2500 HD Signal Lever
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
    $68.93 MSRP: $104.00
    You Save: $35.07 (34%)
  • OEM 2018 GMC Sierra 2500 HD Dash Control Unit Diagram - 84246526
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Dash Control Unit

    PartNumber: 84246526
    OEM 2018 GMC Sierra 2500 HD Dash Control Unit - 84246526
    Product Specifications
    • Notes: W/Auto Temp Cntrl, Labeled: 84173748
    • Other Names: Dash Control Unit, Heater Control, Module
    • Item Dimensions: 11.9 x 4.7 x 4.7 inches
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 87840006
    • Part Description: 2018 GMC Sierra 2500 HD Dash Control Unit
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
    $94.49 MSRP: $178.30
    You Save: $83.81 (48%)
  • OEM 2018 GMC Sierra 2500 HD Antitheft Module Diagram - 13523300
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Antitheft Module

    PartNumber: 13523300
    OEM 2018 GMC Sierra 2500 HD Antitheft Module - 13523300
    Product Specifications
    • Item Dimensions: 3.1 x 2.1 x 1.0 inches
    • Item Weight: 3.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 13500157
    • Part Description: 2018 GMC Sierra 2500 HD Antitheft Module
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
    $25.90 MSRP: $48.87
    You Save: $22.97 (48%)
  • OEM 2018 GMC Sierra 2500 HD Alarm Module Diagram - 84169042
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Alarm Module

    PartNumber: 84169042
    OEM 2018 GMC Sierra 2500 HD Alarm Module - 84169042
    Product Specifications
    • Notes: Parking Assist, W/O Front Park Assist, Labeled 23221160; Silverado, Sierra; All
    • Other Names: Alarm Module, Control Module, Control Unit, Module
    • Item Dimensions: 7.9 x 4.4 x 2.2 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 2500 HD Alarm Module
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
    $43.40 MSRP: $81.90
    You Save: $38.50 (48%)
  • OEM 2018 GMC Sierra 2500 HD Hazard Switch Diagram - 22822502
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Hazard Switch

    PartNumber: 22822502
    OEM 2018 GMC Sierra 2500 HD Hazard Switch - 22822502
    Product Specifications
    • Notes: W/O Sunroof, Roof Lamp
    • Other Names: Hazard Switch, Switch
    • Item Dimensions: 1.7 x 1.5 x 1.1 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 2500 HD Hazard Switch
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
    $45.24 MSRP: $68.26
    You Save: $23.02 (34%)
  • OEM 2018 GMC Sierra 2500 HD Alarm Module Diagram - 84169043
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Alarm Module

    PartNumber: 84169043
    OEM 2018 GMC Sierra 2500 HD Alarm Module - 84169043
    Product Specifications
    • Notes: Parking Assist, W/Front Park Assist, 2ND Design
    • Other Names: Alarm Module, Control Module, Control Unit, Module
    • Item Dimensions: 6.4 x 3.5 x 1.5 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 2500 HD Alarm Module
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
    $47.37 MSRP: $78.41
    You Save: $31.04 (40%)
  • OEM 2018 GMC Sierra 2500 HD Module Diagram - 22853757
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Module

    PartNumber: 22853757
    OEM 2018 GMC Sierra 2500 HD Module - 22853757
    Product Specifications
    • Notes: Ballast; Sierra; Gmc, W/Led
    • Location: Passenger Side; Driver Side
    • Other Names: Ballast, Control Module, Module
    • Item Dimensions: 4.7 x 3.7 x 1.4 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 22869158
    • Part Description: 2018 GMC Sierra 2500 HD Module
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
    $221.40 MSRP: $335.53
    You Save: $114.13 (35%)
  • OEM 2018 GMC Sierra 2500 HD AC Relay Diagram - 13500114
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD AC Relay

    PartNumber: 13500114
    OEM 2018 GMC Sierra 2500 HD AC Relay - 13500114
    Product Specifications
    • Notes: Instrument Panel, Gray
    • Location: Passenger Side; Driver Side
    • Item Dimensions: 3.8 x 2.2 x 0.7 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12193606, 19115080, 15328866, 12135034, 15393412, 12088567, 12135170, 19116057
    • Part Description: 2018 GMC Sierra 2500 HD AC Relay
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | AT4, Base, Denali, SL, SLE, SLT, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS, 8 Cyl 8.1 L GAS
    $9.31 MSRP: $19.52
    You Save: $10.21 (53%)
  • OEM 2018 GMC Sierra 2500 HD Module Asm, Driver Seat Adjuster Memory (Hardware) Diagram - 23338340
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Module Asm, Driver Seat Adjuster Memory (Hardware)

    PartNumber: 23338340
    OEM 2018 GMC Sierra 2500 HD Module Asm, Driver Seat Adjuster Memory (Hardware) - 23338340
    Product Specifications
    • Notes: Split Bench Seat, W/Power; Bucket Seat, W/O Ventillated Seat; Bucket Seat, W/Ventillated Seat; Silverado, Sierra
    • Item Dimensions: 10.7 x 8.8 x 2.5 inches
    • Item Weight: 1.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 22978656, 20963028, 23120589, 13517130, 22863113, 13592437, 13596897
    • Part Description: 2018 GMC Sierra 2500 HD Module Asm, Driver Seat Adjuster Memory (Hardware)
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $123.06 MSRP: $185.63
    You Save: $62.57 (34%)
  • OEM 2018 GMC Sierra 2500 HD MODULE ASM-HMI CONT ECCN=5A992 Diagram - 84546902
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD MODULE ASM-HMI CONT ECCN=5A992

    PartNumber: 84546902
    OEM 2018 GMC Sierra 2500 HD MODULE ASM-HMI CONT ECCN=5A992 - 84546902
    Product Specifications
    • Notes: Code: Io3, Io4, Io5, Io6, Hmi, Code: Io5
    • Other Names: Control Module, Module
    • Item Dimensions: 7.4 x 6.4 x 5.7 inches
    • Item Weight: 1.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 84251839, 84331775, 84331501
    • Part Description: 2018 GMC Sierra 2500 HD MODULE ASM-HMI CONT ECCN=5A992
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
  • OEM 2018 GMC Sierra 2500 HD Module Diagram - 84513027
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Module

    PartNumber: 84513027
    OEM 2018 GMC Sierra 2500 HD Module - 84513027
    Product Specifications
    • Notes: Code: Io3, Io4, Io5, Io6, Hmi, Code: Io6
    • Other Names: Control Module, Module
    • Item Dimensions: 11.9 x 6.8 x 2.8 inches
    • Item Weight: 1.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 84546904, 84331503, 84331776
    • Part Description: 2018 GMC Sierra 2500 HD Module
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL