34  products about 2020 GMC Sierra 2500 HD Light Relays, Switches & Control Modules found
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Make sure this part fits,  Select Vehicle $41.21  MSRP: $77.78 
You Save: $36.57 (48%)
Product Specifications Notes:   Silverado, Sierra 2500 Hd Item Dimensions:   4.4 x 2.4 x 1.9 inches Item Weight:   0.40 Pounds Fitment Type:   Direct Replacement Replaces:   13583369 Replaced by:   13564167 Part Description:   2020 GMC Sierra 2500 HD Adjuster Switch More Info Vehicle Fitment 2020 GMC Sierra 2500 HD | AT4, Base, Denali, Pro, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $41.21  MSRP: $77.78 
You Save: $36.57 (48%)
Product Specifications Notes:   Silverado, Sierra 2500 Hd Item Dimensions:   4.4 x 2.4 x 1.9 inches Item Weight:   0.40 Pounds Fitment Type:   Direct Replacement Replaces:   13583369 Replaced by:   13564167 Part Description:   2020 GMC Sierra 2500 HD Adjuster Switch More Info Vehicle Fitment 2020 GMC Sierra 2500 HD | AT4, Base, Denali, Pro, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $84.58  MSRP: $133.03 
You Save: $48.45 (37%)
Product Specifications Other Names:   Module Fitment Type:   Direct Replacement Replaced by:   13547618 Part Description:   2020 GMC Sierra 2500 HD Module More Info Make sure this part fits,  Select Vehicle $11.55  MSRP: $20.88 
You Save: $9.33 (45%)
Product Specifications Notes:   Engine Compartment, Main Fuse Block, Lamp Low Beam 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:   2020 GMC Sierra 2500 HD AC Relay More Info Vehicle Fitment 2020 GMC Sierra 2500 HD | AT4, AT4X, Base, Denali, Denali Ultimate, Pro, 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 FLEX, 8 Cyl 6.6 L GAS, 8 Cyl 8.1 L GAS Make sure this part fits,  Select Vehicle $151.83  MSRP: $229.02 
You Save: $77.19 (34%)
Product Specifications Notes:   W/Power, W/O Ventilated, Memory; W/Power, W/Ventilated, W/O Massage, Memory; Silverado, Sierra 2500 Hd Location:   Driver Side 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:   2020 GMC Sierra 2500 HD Module Asm, Driver Seat Adjuster Memory (Hardware) More Info Vehicle Fitment 2020 GMC Sierra 2500 HD | AT4, Base, Denali, Pro, 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 FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $125.27  MSRP: $226.76 
You Save: $101.49 (45%)
Product Specifications Notes:   W/Passive Entry Other Names:   Control Module, Module Item Dimensions:   9.0 x 8.4 x 2.2 inches Item Weight:   0.60 Pounds Fitment Type:   Direct Replacement Replaced by:   13558725 Part Description:   2020 GMC Sierra 2500 HD Module More Info Vehicle Fitment 2020 GMC Sierra 2500 HD | AT4, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $123.80  MSRP: $194.71 
You Save: $70.91 (37%)
Product Specifications Location:   Passenger Side Other Names:   Control Module, Object Sensor, Sensor Item Dimensions:   7.9 x 4.2 x 2.2 inches Item Weight:   0.50 Pounds Fitment Type:   Direct Replacement Replaces:   84123075, 84467896 Part Description:   2020 GMC Sierra 2500 HD Object Sensor More Info Vehicle Fitment 2020 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $132.01  MSRP: $249.10 
You Save: $117.09 (48%)
Product Specifications Notes:   Accessory Power Control Other Names:   Module Item Dimensions:   6.1 x 4.2 x 11.1 inches Item Weight:   2.20 Pounds Fitment Type:   Direct Replacement Replaces:   84361189 Part Description:   2020 GMC Sierra 2500 HD Module More Info Vehicle Fitment 2020 GMC Sierra 2500 HD | AT4, Base, Denali, Pro, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $74.50  MSRP: $117.16 
You Save: $42.66 (37%)
Product Specifications Other Names:   Cruise Switch, Engagement Switch, Switch Fitment Type:   Direct Replacement Replaced by:   13553607 Part Description:   2020 GMC Sierra 2500 HD Engagement Switch More Info Make sure this part fits,  Select Vehicle $88.31  MSRP: $166.64 
You Save: $78.33 (48%)
Product Specifications Notes:   Instrument Panel, Driver Side, Body Control; Silverado, Sierra 2500 Hd Other Names:   Body Control Module, Module Item Dimensions:   11.0 x 7.5 x 3.3 inches Item Weight:   1.00 Pounds Fitment Type:   Direct Replacement Replaces:   13520409 Part Description:   2020 GMC Sierra 2500 HD Module More Info Vehicle Fitment 2020 GMC Sierra 2500 HD | AT4, Base, Denali, Pro, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $106.75  MSRP: $201.46 
You Save: $94.71 (48%)
Product Specifications Notes:   Silverado, Sierra 2500 Hd; W/Keyless Engine Start Other Names:   Antitheft Module, Control Module, Controller Item Dimensions:   0.3 x 2.4 x 2.0 inches Item Weight:   3.20 Pounds Fitment Type:   Direct Replacement Part Description:   2020 GMC Sierra 2500 HD Antitheft Module More Info Vehicle Fitment 2020 GMC Sierra 2500 HD | AT4, Base, Denali, Pro, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $28.66  MSRP: $51.90 
You Save: $23.24 (45%)
Product Specifications Notes:   W/Leather, W/O Heated; W/Leather, W/Heated, W/O At4 Or Denali; W/Leather, W/Heated, W/At4; W/Leather, W/Heated, W/Denali Location:   Driver Side Other Names:   Audio Switch, Radio Switch, Switch Fitment Type:   Direct Replacement Replaces:   13528614 Part Description:   2020 GMC Sierra 2500 HD Radio Switch More Info Vehicle Fitment 2020 GMC Sierra 2500 HD | AT4, AT4X, Denali, Denali Ultimate, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $54.04  MSRP: $97.82 
You Save: $43.78 (45%)
Product Specifications Notes:   W/Leather, W/O Heated; W/Leather, W/Heated, W/O At4 Or Denali; W/Leather, W/Heated, W/At4; W/Leather, W/Heated, W/Denali Other Names:   Audio Switch, Radio Switch, Signal Switch Fitment Type:   Direct Replacement Replaced by:   13553602 Part Description:   2020 GMC Sierra 2500 HD Radio Switch More Info Vehicle Fitment 2020 GMC Sierra 2500 HD | AT4, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $45.31  MSRP: $71.24 
You Save: $25.93 (37%)
Product Specifications Other Names:   Cruise Switch, Engagement Switch, Switch Fitment Type:   Direct Replacement Replaced by:   13553606 Part Description:   2020 GMC Sierra 2500 HD Engagement Switch More Info Make sure this part fits,  Select Vehicle $26.15  MSRP: $51.90 
You Save: $25.75 (50%)
Product Specifications Notes:   W/Leather, W/O Heated; W/Leather, W/Heated, W/O At4 Or Denali; W/Leather, W/Heated, W/At4; W/Leather, W/Heated, W/Denali Location:   Passenger Side Other Names:   Audio Switch, Radio Switch, Switch Fitment Type:   Direct Replacement Replaces:   13528615 Part Description:   2020 GMC Sierra 2500 HD SWITCH ASM-RDO VOL More Info Vehicle Fitment 2020 GMC Sierra 2500 HD | AT4, AT4X, Denali, Denali Ultimate, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $37.96  MSRP: $57.54 
You Save: $19.58 (35%)
Product Specifications Other Names:   Headlamp Switch Item Dimensions:   6.6 x 4.3 x 4.4 inches Item Weight:   2.60 Pounds Fitment Type:   Direct Replacement Replaced by:   86530685 Part Description:   2020 GMC Sierra 2500 HD Headlamp Switch More Info Make sure this part fits,  Select Vehicle $37.54  MSRP: $56.90 
You Save: $19.36 (35%)
Product Specifications Notes:   2024, Pro, W/O Perimeter Lighting, W/Fog Lamps; Sierra 2500 Hd; W/Fog Lamp; W/O Task Lighting Other Names:   Headlamp Switch Item Dimensions:   6.8 x 4.5 x 4.4 inches Item Weight:   2.70 Pounds Fitment Type:   Direct Replacement Replaces:   84469523 Part Description:   2020 GMC Sierra 2500 HD Headlamp Switch More Info Vehicle Fitment 2020 GMC Sierra 2500 HD | AT4, Base, Denali, Pro, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $40.32  MSRP: $63.43 
You Save: $23.11 (37%)
Product Specifications Notes:   W/O Keyless Start, W/O Intelligent High Beam, W/O Intelligent High Beam; W/Keyless Start, W/O Intelligent High Beam, W/O Intelligent High Beam; Silverado, Sierra 2500 Hd; W/O Intelligent High Beam Fitment Type:   Direct Replacement Replaces:   84566351, 84677656 Part Description:   2020 GMC Sierra 2500 HD Signal Switch More Info Vehicle Fitment 2020 GMC Sierra 2500 HD | AT4, Base, Denali, Pro, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $36.33  MSRP: $55.07 
You Save: $18.74 (35%)
Product Specifications Other Names:   Headlamp Switch Item Dimensions:   6.6 x 4.3 x 4.5 inches Item Weight:   2.80 Pounds Fitment Type:   Direct Replacement Replaces:   84469519 Replaced by:   86530684 Part Description:   2020 GMC Sierra 2500 HD Headlamp Switch More Info Make sure this part fits,  Select Vehicle $40.08  MSRP: $63.05 
You Save: $22.97 (37%)
Product Specifications Other Names:   Headlamp Switch Item Dimensions:   6.7 x 4.5 x 4.4 inches Item Weight:   2.90 Pounds Fitment Type:   Direct Replacement Replaced by:   86530683 Part Description:   2020 GMC Sierra 2500 HD Headlamp Switch More Info Make sure this part fits,  Select Vehicle $35.07  MSRP: $66.20 
You Save: $31.13 (48%)
Product Specifications Notes:   W/O Keyless Start; Upper Trim, 2020-23 Other Names:   Antitheft Module, Control Module, Controller Item Dimensions:   0.1 x 2.6 x 2.1 inches Item Weight:   3.10 Pounds Fitment Type:   Direct Replacement Part Description:   2020 GMC Sierra 2500 HD Antitheft Module More Info Vehicle Fitment 2020 GMC Sierra 2500 HD | AT4, Base, Denali, Pro, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $31.28  MSRP: $49.21 
You Save: $17.93 (37%)
Product Specifications Other Names:   Multifunction Switch, Turn Signal Switch Item Dimensions:   9.3 x 3.8 x 3.4 inches Item Weight:   0.50 Pounds Replaced by:   84924354 Part Description:   2020 GMC Sierra 2500 HD Multifunction Switch More Info Make sure this part fits,  Select Vehicle $34.89  MSRP: $52.64 
You Save: $17.75 (34%)
Product Specifications Notes:   2024, Pro, Center Stack Accessory Switches, W/O Ez Lift Other Names:   Hazard Switch, Stab Control Switch, Switch Item Dimensions:   3.5 x 2.6 x 1.2 inches Fitment Type:   Direct Replacement Replaced by:   86591014 Part Description:   2020 GMC Sierra 2500 HD Stab Control Switch More Info Vehicle Fitment 2020 GMC Sierra 2500 HD | Base, Pro | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $75.44  MSRP: $113.79 
You Save: $38.35 (34%)
Product Specifications Notes:   W/O Leather, W/O Pre-Crash; Silverado, Sierra 2500 Hd; Standard Wrap Wheel Other Names:   Cruise Switch, Engagement Switch, Switch Replaces:   13528609, 13540144 Replaced by:   13553609 Part Description:   2020 GMC Sierra 2500 HD Engagement Switch More Info Vehicle Fitment 2020 GMC Sierra 2500 HD | AT4, Base, Denali, Pro, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $13.84  MSRP: $26.10 
You Save: $12.26 (47%)
Product Specifications Notes:   Silverado, Sierra 2500 Hd; W/Near Obstacle Detect Other Names:   Control Module, Module Item Dimensions:   10.5 x 5.4 x 4.2 inches Item Weight:   0.60 Pounds Fitment Type:   Direct Replacement Replaces:   84448656 Part Description:   2020 GMC Sierra 2500 HD Module More Info Vehicle Fitment 2020 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $30.84  MSRP: $46.53 
You Save: $15.69 (34%)
Product Specifications Other Names:   Hazard Switch, Stab Control Switch, Switch Item Dimensions:   3.5 x 2.6 x 1.2 inches Fitment Type:   Direct Replacement Replaced by:   86827741 Part Description:   2020 GMC Sierra 2500 HD Stab Control Switch More Info Make sure this part fits,  Select Vehicle $48.16  MSRP: $73.00 
You Save: $24.84 (35%)
Product Specifications Notes:   2024, Pro, W/O Perimeter Lighting, W/O Fog Lamps; Sierra 2500 Hd; W/Fog Lamp; W/Task Lighting Other Names:   Headlamp Switch Item Dimensions:   6.7 x 4.4 x 4.4 inches Item Weight:   2.70 Pounds Fitment Type:   Direct Replacement Replaced by:   85825178 Part Description:   2020 GMC Sierra 2500 HD Headlamp Switch More Info Vehicle Fitment 2020 GMC Sierra 2500 HD | AT4, Base, Denali, Pro, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $38.04  MSRP: $57.39 
You Save: $19.35 (34%)
Product Specifications Other Names:   Hazard Switch, Stab Control Switch, Switch Fitment Type:   Direct Replacement Replaced by:   86591015 Part Description:   2020 GMC Sierra 2500 HD Stab Control Switch More Info Make sure this part fits,  Select Vehicle $39.19  MSRP: $59.41 
You Save: $20.22 (35%)
Product Specifications Notes:   2024, Pro, W/Perimeter Lighting, W/Fog Lamps; Sierra 2500 Hd; W/O Fog Lamp; W/O Task Lighting Other Names:   Headlamp Switch Item Dimensions:   6.8 x 4.3 x 4.3 inches Item Weight:   2.70 Pounds Fitment Type:   Direct Replacement Replaced by:   86530686 Part Description:   2020 GMC Sierra 2500 HD Headlamp Switch More Info Vehicle Fitment 2020 GMC Sierra 2500 HD | AT4, Base, Denali, Pro, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $35.09  MSRP: $55.19 
You Save: $20.10 (37%)
Product Specifications Other Names:   Headlamp Switch Item Dimensions:   6.8 x 4.5 x 4.5 inches Item Weight:   2.70 Pounds Fitment Type:   Direct Replacement Replaced by:   86530682 Part Description:   2020 GMC Sierra 2500 HD Headlamp Switch More Info