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 2020 GMC Sierra 3500 HD Headlights

2020 GMC Sierra 3500 HD Headlights

My Vehicle Change Vehicle
2020 GMC Sierra 3500 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

13 products about 2020 GMC Sierra 3500 HD Headlights found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM 2020 GMC Sierra 3500 HD Horn Bolt Diagram - 11589015
    View Related Parts

    OEM (Genuine) 2020 GMC Sierra 3500 HD Horn Bolt

    PartNumber: 11589015
    OEM 2020 GMC Sierra 3500 HD Horn Bolt - 11589015
    Product Specifications
    • Notes: Regular Cab, Manual Windows; Regular Cab, Power Windows
    • Location: Driver Side; Passenger Side
    • Item Dimensions: 2.5 x 2.1 x 1.5 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 11516715, 15693459, 20430420, 11513801, 11509709, 11508443, 11513710, 15150923
    • Part Description: 2020 GMC Sierra 3500 HD Horn Bolt
    More Info
    Vehicle Fitment
    • 2020 GMC Sierra 3500 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
    $2.03 MSRP: $3.21
    You Save: $1.18 (37%)
  • OEM 2020 GMC Sierra 3500 HD Filler Bolt Diagram - 11570498
    View Related Parts

    OEM (Genuine) 2020 GMC Sierra 3500 HD Filler Bolt

    PartNumber: 11570498
    OEM 2020 GMC Sierra 3500 HD Filler Bolt - 11570498
    Product Specifications
    • Notes: Double Cab, 2020-23, 2024, Pro, 4mm; Crew Cab, 2020-23, 2024, Pro, 4mm
    • Location: Driver Side; Passenger Side
    • Item Dimensions: 3.2 x 2.7 x 1.6 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 11609487, 11513568
    • Part Description: 2020 GMC Sierra 3500 HD Filler Bolt
    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
    $4.47 MSRP: $7.10
    You Save: $2.63 (38%)
  • OEM 2020 GMC Sierra 3500 HD Composite Assembly Diagram - 84738614
    View Related Parts

    OEM (Genuine) 2020 GMC Sierra 3500 HD Composite Assembly

    PartNumber: 84738614
    OEM 2020 GMC Sierra 3500 HD Composite Assembly - 84738614
    Product Specifications
    • Other Names: Composite Assembly, Headlamp Assembly
    • Item Dimensions: 26.1 x 25.6 x 16.0 inches
    • Item Weight: 12.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 86788463
    • Part Description: 2020 GMC Sierra 3500 HD Composite Assembly
    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
    $957.90 MSRP: $1441.14
    You Save: $483.24 (34%)
  • OEM 2020 GMC Sierra 3500 HD Composite Assembly Diagram - 84738615
    View Related Parts

    OEM (Genuine) 2020 GMC Sierra 3500 HD Composite Assembly

    PartNumber: 84738615
    OEM 2020 GMC Sierra 3500 HD Composite Assembly - 84738615
    Product Specifications
    • Other Names: Composite Assembly, Headlamp Assembly
    • Item Dimensions: 26.4 x 25.9 x 16.7 inches
    • Item Weight: 11.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 86788464
    • Part Description: 2020 GMC Sierra 3500 HD Composite Assembly
    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
    $957.90 MSRP: $1441.14
    You Save: $483.24 (34%)
  • OEM 2020 GMC Sierra 3500 HD Composite Assembly Diagram - 84738613
    View Related Parts

    OEM (Genuine) 2020 GMC Sierra 3500 HD Composite Assembly

    PartNumber: 84738613
    OEM 2020 GMC Sierra 3500 HD Composite Assembly - 84738613
    Product Specifications
    • Other Names: Composite Assembly, Headlamp Assembly
    • Item Dimensions: 26.6 x 25.4 x 16.2 inches
    • Item Weight: 11.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 86788466
    • Part Description: 2020 GMC Sierra 3500 HD Composite Assembly
    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
    $866.06 MSRP: $1302.59
    You Save: $436.53 (34%)
  • OEM 2020 GMC Sierra 3500 HD Bracket Bolt Diagram - 11569919
    View Related Parts

    OEM (Genuine) 2020 GMC Sierra 3500 HD Bracket Bolt

    PartNumber: 11569919
    OEM 2020 GMC Sierra 3500 HD Bracket Bolt - 11569919
    Product Specifications
    • Notes: 2020-23, W/O Full Led; 2020-23, W/Full Led
    • Location: Driver Side; Passenger Side
    • Item Dimensions: 1.1 x 0.7 x 0.7 inches
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2020 GMC Sierra 3500 HD Bracket Bolt
    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
    $4.70 MSRP: $7.45
    You Save: $2.75 (37%)
  • OEM 2020 GMC Sierra 3500 HD Composite Assembly Diagram - 84738612
    View Related Parts

    OEM (Genuine) 2020 GMC Sierra 3500 HD Composite Assembly

    PartNumber: 84738612
    OEM 2020 GMC Sierra 3500 HD Composite Assembly - 84738612
    Product Specifications
    • Other Names: Composite Assembly, Headlamp Assembly
    • Item Dimensions: 26.1 x 25.6 x 16.8 inches
    • Item Weight: 11.90 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 86788465
    • Part Description: 2020 GMC Sierra 3500 HD Composite Assembly
    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
    $866.06 MSRP: $1302.59
    You Save: $436.53 (34%)
  • OEM 2020 GMC Sierra 3500 HD Bolt, Oil Level Indicator Tube Diagram - 11519375
    View Related Parts

    OEM (Genuine) 2020 GMC Sierra 3500 HD Bolt, Oil Level Indicator Tube

    PartNumber: 11519375
    OEM 2020 GMC Sierra 3500 HD Bolt, Oil Level Indicator Tube - 11519375
    Product Specifications
    • Item Dimensions: 1.4 x 1.2 x 0.8 inches
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 11569683
    • Part Description: 2020 GMC Sierra 3500 HD Bolt, Oil Level Indicator Tube
    More Info
    Vehicle Fitment
    • 2020 GMC Sierra 3500 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
    $13.06
  • OEM 2020 GMC Sierra 3500 HD Flare Nut Diagram - 11609952
    View Related Parts

    OEM (Genuine) 2020 GMC Sierra 3500 HD Flare Nut

    PartNumber: 11609952
    OEM 2020 GMC Sierra 3500 HD Flare Nut - 11609952
    Product Specifications
    • Item Dimensions: 1.2 x 0.9 x 0.4 inches
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 5480764, 11518162, 11518531, 15958043, 05480764
    • Part Description: 2020 GMC Sierra 3500 HD Flare Nut
    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
    $4.66 MSRP: $7.38
    You Save: $2.72 (37%)
  • OEM 2020 GMC Sierra 3500 HD Bolt/Screw Diagram - 11547421
    View Related Parts

    OEM (Genuine) 2020 GMC Sierra 3500 HD Bolt/Screw

    PartNumber: 11547421
    OEM 2020 GMC Sierra 3500 HD Bolt/Screw - 11547421
    Product Specifications
    • Notes: 2020-23; W/Active Shutter
    • Location: Driver Side; Passenger Side
    • Item Dimensions: 1.2 x 0.7 x 0.7 inches
    • Item Weight: 3.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 24502796, 11609935, 11609489, 11508233, 11570499, 11515429, 14074163
    • Part Description: 2020 GMC Sierra 3500 HD Bolt/Screw
    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
    $5.89 MSRP: $8.87
    You Save: $2.98 (34%)
  • OEM 2020 GMC Sierra 3500 HD BOLT ASM-HEX HD WITH CON SPR WA Diagram - 11570173
    View Related Parts

    OEM (Genuine) 2020 GMC Sierra 3500 HD BOLT ASM-HEX HD WITH CON SPR WA

    PartNumber: 11570173
    OEM 2020 GMC Sierra 3500 HD BOLT ASM-HEX HD WITH CON SPR WA - 11570173
    Product Specifications
    • Notes: 6.6 Liter Diesel, On Hood
    • Item Dimensions: 1.9 x 1.5 x 1.1 inches
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 11505080, 11589039, 11517349, 11517950
    • Part Description: 2020 GMC Sierra 3500 HD BOLT ASM-HEX HD WITH CON SPR WA
    More Info
    Vehicle Fitment
    • 2020 GMC Sierra 3500 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
    $13.06
  • OEM 2020 GMC Sierra 3500 HD Socket Diagram - 84389022
    View Related Parts

    OEM (Genuine) 2020 GMC Sierra 3500 HD Socket

    PartNumber: 84389022
    OEM 2020 GMC Sierra 3500 HD Socket - 84389022
    Product Specifications
    • Notes: 2020-23, W/O Full Led
    • Location: Driver Side; Passenger Side
    • Other Names: Socket
    • Item Dimensions: 2.0 x 2.1 x 1.0 inches
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 84229587
    • Part Description: 2020 GMC Sierra 3500 HD Socket
    More Info
    Vehicle Fitment
    • 2020 GMC Sierra 3500 HD | Base, SLE | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $12.35 MSRP: $18.62
    You Save: $6.27 (34%)
  • OEM 2020 GMC Sierra 3500 HD Nut - Push In, Multi Thread W/Sealer Diagram - 11610157
    View Related Parts

    OEM (Genuine) 2020 GMC Sierra 3500 HD Nut - Push In, Multi Thread W/Sealer

    PartNumber: 11610157
    OEM 2020 GMC Sierra 3500 HD Nut - Push In, Multi Thread W/Sealer - 11610157
    Product Specifications
    • Notes: 2020-23
    • Location: Driver Side; Passenger Side
    • Item Dimensions: 1.2 x 1.0 x 0.6 inches
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 11517228, 17997722
    • Part Description: 2020 GMC Sierra 3500 HD Nut - Push In, Multi Thread W/Sealer
    More Info
    Vehicle Fitment
    • 2020 GMC Sierra 3500 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
    $13.06 MSRP: $18.75
    You Save: $5.69 (31%)