LED Headlights Pair w/ Halogen Turn Signal & LED Module for GMC Sierra 2500 HD 3500 HD (2020-2023)

Replace hazy or damaged headlights on your 2020-2023 GMC Sierra 2500 HD or 3500 HD with LED headlights and halogen turn signals. Per the listing, the LED module and turn signal bulb are included.

Fitment

Will NOT fit: Sierra HD with full-LED (LED turn signal) headlights; Sierra 1500; 2024+ Sierra HD.

Common Reasons to Replace

• Yellowed, hazy, or oxidized lenses reducing light output
• Cracked lens or broken mounting tabs
• Moisture or condensation inside the housing
• Collision damage

Specs

• Low/high beam, DRL, side marker: built-in LED
• Turn signal: WY21/5W-type amber bulb (listing photo labels it "WY12V21/5W"), included
• LED module included (per listing)
• DOT compliant
• Quantity: Pair (Left + Right)
• Condition: New

Interchange Part Numbers

OEM: 86788465. Partslink: GM2502512, GM2503512.

What's Included

• 1 x Driver side headlight assembly
• 1 x Passenger side headlight assembly
• Left and right headlights
• Turn signal bulbs (per listing)

Installation

1. Open the hood, remove the two T15 screws at the hood latch and the ten clips holding the radiator/upper shield, and lift the shield off.
2. Unplug the grille-mounted sensor/fog and front-camera connectors, then remove the grille: four 10 mm bolts across the top and two 10 mm bolts on each side.
3. Remove the fender-liner screws and the corner screw at each end and take off the side bumper panel to expose the lower headlamp bolt.
4. Remove the three 10 mm headlamp bolts, lift the lamp off its upper bracket, unplug it, install the new lamp and reverse; aim the headlights.

Steps compiled from Ranch Hand 2020+ Silverado/Sierra HD grille-guard install guide (grille and headlamp access) and GM service procedure. Professional installation and headlight aiming are recommended.

FAQs

Will these fit a Sierra with LED turn signals?
No. The listing photos show these match the halogen-turn-signal type only, not the full-LED signal type.

Will these fit a Sierra 1500?
No. They are for the 2020-2023 Sierra 2500 HD / 3500 HD.

What bulb is the turn signal?
The listing photo shows a WY21/5W-type amber bulb (labeled "WY12V21/5W"), included.

Do I need to remove the front bumper to replace these headlights?
No. The grille comes off, then the side bumper panel for the lower bolt.

Can I install LED or HID kits?
Not applicable. The low and high beams are built-in factory LED; there is no replaceable headlight bulb for an LED or HID kit.