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 ×
Replacement and OEM Parts for 2020 GMC Sierra 3500 HD Third Brake Light

2020 GMC Sierra 3500 HD Third Brake Light

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
Tail Lights
  • Department
  • Prices

5 Products found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM (Genuine) 2020 GMC Sierra 3500 HD High Mount Lamp

    PartNumber: 84487008
    OEM 2020 GMC Sierra 3500 HD High Mount Lamp - 84487008
    Product Specifications
    • Other Names: High Mount Lamp
    • Item Dimensions: 28.1 x 6.8 x 6.6 inches
    • Item Weight: 2.00 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2020 GMC Sierra 3500 HD High Mount Lamp
    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
    $192.98 MSRP: $303.51
    You Save: $110.53 (37%)
  • OEM (Genuine) 2020 GMC Sierra 3500 HD High Mount Lamp

    PartNumber: 84699123
    OEM 2020 GMC Sierra 3500 HD High Mount Lamp - 84699123
    Product Specifications
    • Notes: Double, Crew Cab, W/Pickup Box Camera, W/Inside Mirror Display Camera
    • Other Names: High Mount Lamp
    • Item Dimensions: 25.5 x 8.1 x 8.1 inches
    • Item Weight: 2.00 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2020 GMC Sierra 3500 HD High Mount Lamp
    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
    $340.74 MSRP: $514.05
    You Save: $173.31 (34%)
  • OEM (Genuine) 2020 GMC Sierra 3500 HD High Mount Lamp

    PartNumber: 84699124
    OEM 2020 GMC Sierra 3500 HD High Mount Lamp - 84699124
    Product Specifications
    • Notes: Double, Crew Cab, W/Pickup Box Camera, W/O Inside Mirror Display Camera
    • Other Names: High Mount Lamp
    • Item Dimensions: 24.7 x 8.1 x 7.9 inches
    • Item Weight: 1.80 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2020 GMC Sierra 3500 HD High Mount Lamp
    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
    $163.05 MSRP: $246.00
    You Save: $82.95 (34%)
  • OEM (Genuine) 2020 GMC Sierra 3500 HD High Mount Lamp

    PartNumber: 84419006
    OEM 2020 GMC Sierra 3500 HD High Mount Lamp - 84419006
    Product Specifications
    • Notes: Double, Crew Cab, W/O Pickup Box Camera, W/O Inside Mirror Display Camera
    • Other Names: High Mount Lamp
    • Item Dimensions: 27.3 x 6.6 x 6.8 inches
    • Item Weight: 1.80 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2020 GMC Sierra 3500 HD High Mount Lamp
    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
    $86.72 MSRP: $130.84
    You Save: $44.12 (34%)
  • OEM (Genuine) 2020 GMC Sierra 3500 HD High Mount Lamp

    PartNumber: 84900397
    OEM 2020 GMC Sierra 3500 HD High Mount Lamp - 84900397
    Product Specifications
    • Notes: Regular Cab
    • Other Names: High Mount Lamp
    • Fitment Type: Direct Replacement
    • Replaces: 20979071, 23509162
    • Part Description: 2020 GMC Sierra 3500 HD High Mount Lamp
    More Info
    Vehicle Fitment
    • 2020 GMC Sierra 3500 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, 8 Cyl 6.6 L GAS
    $77.57 MSRP: $111.47
    You Save: $33.90 (31%)