34 products about 2020 GMC Sierra 3500 HD Light Relays, Switches & Control Modules foundVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra 3500 Hd Item Dimensions: 4.4 x 2.4 x 1.9 inches Item Weight: 0.40 Pounds Fitment Type: Direct Replacement Replaces: 13583369 Part Description: 2020 GMC Sierra 3500 HD Adjuster Switch More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $38.31 MSRP: $72.30
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra 3500 Hd Item Dimensions: 4.4 x 2.4 x 1.9 inches Item Weight: 0.40 Pounds Fitment Type: Direct Replacement Replaces: 13583369 Part Description: 2020 GMC Sierra 3500 HD Adjuster Switch More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $38.31 MSRP: $72.30
You Save: $33.99 (48%)
Check Fit Add to CartVEHICLE SPECIFIC 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 Part Description: 2020 GMC Sierra 3500 HD Module More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $101.55 MSRP: $183.82
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Check Fit Add to CartVEHICLE SPECIFIC 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 3500 HD Object Sensor More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $129.05 MSRP: $194.71
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Upper Trim, Wireless Charger Other Names: Module Fitment Type: Direct Replacement Replaced by: 13547618 Part Description: 2020 GMC Sierra 3500 HD Module More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Denali, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $81.96 MSRP: $123.66
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Check Fit Add to CartVEHICLE SPECIFIC 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 3500 HD Module More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $107.01 MSRP: $201.92
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra 3500 Hd; Leather Wrap Wheel; W/Auto Heat Steering; W/O Forward Collision; Alert Indicator; W/Leather, W/Heated, W/O Pre-Crash Other Names: Cruise Switch, Engagement Switch, Switch Fitment Type: Direct Replacement Replaced by: 13553607 Part Description: 2020 GMC Sierra 3500 HD Engagement Switch More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Base, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $64.36 MSRP: $97.09
You Save: $32.73 (34%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Instrument Panel, Driver Side, Body Control; Silverado, Sierra 3500 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 3500 HD Module More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $73.18 MSRP: $138.10
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra 3500 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 3500 HD Antitheft Module More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $89.81 MSRP: $163.32
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: W/Leather, W/O Heated; W/Leather, W/Heated Location: Driver Side Other Names: Audio Switch, Radio Switch, Switch Fitment Type: Direct Replacement Replaces: 13528614 Part Description: 2020 GMC Sierra 3500 HD Radio Switch More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $23.24 MSRP: $42.08
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: W/Leather, W/O Heated; W/Leather, W/Heated Other Names: Audio Switch, Radio Switch, Signal Switch Fitment Type: Direct Replacement Replaced by: 13553602 Part Description: 2020 GMC Sierra 3500 HD Radio Switch More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $42.02 MSRP: $79.30
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra 3500 Hd; Leather Wrap Wheel; W/Auto Heat Steering; W/Forward Collision; Alert Indicator; W/Leather, W/Heated, W/Pre-Crash Other Names: Cruise Switch, Engagement Switch, Switch Fitment Type: Direct Replacement Replaced by: 13553606 Part Description: 2020 GMC Sierra 3500 HD Engagement Switch More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $37.54 MSRP: $59.03
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: W/Leather, W/O Heated; W/Leather, W/Heated Location: Passenger Side Other Names: Audio Switch, Radio Switch, Switch Fitment Type: Direct Replacement Replaces: 13528615 Part Description: 2020 GMC Sierra 3500 HD SWITCH ASM-RDO VOL More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $24.73 MSRP: $42.08
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra 3500 Hd; W/Fog Lamp; W/Task Lighting 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 3500 HD Headlamp Switch More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $35.62 MSRP: $56.03
You Save: $20.41 (37%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: W/O Perimeter Lighting, W/Fog Lamps 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 3500 HD Headlamp Switch More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $37.54 MSRP: $56.90
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Check Fit Add to CartVEHICLE SPECIFIC 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 3500 Hd; W/O Intelligent High Beam Fitment Type: Direct Replacement Replaces: 84566351, 84677656 Part Description: 2020 GMC Sierra 3500 HD Signal Switch More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $37.21 MSRP: $56.14
You Save: $18.93 (34%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra 3500 Hd; W/Fog Lamp; W/O Task Lighting 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 Part Description: 2020 GMC Sierra 3500 HD Headlamp Switch More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $36.33 MSRP: $55.07
You Save: $18.74 (35%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra 3500 Hd; W/O Fog Lamp; W/O Task Lighting Other Names: Headlamp Switch Item Dimensions: 6.7 x 4.5 x 4.4 inches Item Weight: 2.90 Pounds Fitment Type: Direct Replacement Part Description: 2020 GMC Sierra 3500 HD Headlamp Switch More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $33.14 MSRP: $50.23
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Upper Trim; W/O Keyless Start 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 3500 HD Antitheft Module More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $28.43 MSRP: $53.68
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra 3500 Hd; W/Intelligent High Beam 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 3500 HD Multifunction Switch More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $30.31 MSRP: $45.74
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Center Stack Accessory Switches, W/O Gate Assist 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: 86827740 Part Description: 2020 GMC Sierra 3500 HD Stab Control Switch More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | Base, SLE | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $29.04 MSRP: $43.82
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: W/O Leather, W/O Pre-Crash; Silverado, Sierra 3500 Hd; Standard Wrap Wheel Other Names: Cruise Switch, Engagement Switch, Switch Replaces: 13528609, 13540144 Part Description: 2020 GMC Sierra 3500 HD Engagement Switch More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $49.21 MSRP: $74.23
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra 3500 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 3500 HD Module More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $13.10 MSRP: $23.80
You Save: $10.70 (45%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Center Stack Accessory Switches, W/Gate Assist, W/Power 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 3500 HD Stab Control Switch More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $30.84 MSRP: $46.53
You Save: $15.69 (34%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: W/Perimeter Lighting, W/Fog Lamps Other Names: Headlamp Switch Item Dimensions: 6.7 x 4.4 x 4.4 inches Item Weight: 2.70 Pounds Fitment Type: Direct Replacement Part Description: 2020 GMC Sierra 3500 HD Headlamp Switch More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $38.22 MSRP: $63.29
You Save: $25.07 (40%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Center Stack Accessory Switches, W/Gate Assist, W/O Power Other Names: Hazard Switch, Stab Control Switch, Switch Fitment Type: Direct Replacement Replaced by: 86827742 Part Description: 2020 GMC Sierra 3500 HD Stab Control Switch More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $30.84 MSRP: $46.53
You Save: $15.69 (34%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: W/O Perimeter Lighting, W/O Fog Lamps 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 3500 HD Headlamp Switch More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | Base, SLE | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $36.77 MSRP: $57.84
You Save: $21.07 (37%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra 3500 Hd; W/O Fog Lamp; W/Task Lighting 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 3500 HD Headlamp Switch More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $34.16 MSRP: $53.74
You Save: $19.58 (37%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Parking Assist; Silverado, Sierra 3500 Hd; W/O Near Obstacle Detect Other Names: Control Module, Module Item Dimensions: 6.8 x 6.6 x 6.4 inches Item Weight: 0.60 Pounds Fitment Type: Direct Replacement Part Description: 2020 GMC Sierra 3500 HD Module More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $12.95 MSRP: $23.42
You Save: $10.47 (45%)
Check Fit Add to CartVEHICLE SPECIFIC 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 3500 HD AC Relay More Info Vehicle Fitment 2020 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT, WT | 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 $9.31 MSRP: $19.52
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