Collection: GMC Sierra Headlights
Replacement headlights for your GMC Sierra 1500 (2018–2026). Halogen reflector and LED assemblies for SLE, Elevation, SLT, AT4, and Denali trims — driver side, passenger side, and complete pairs. 2019 owners: check the Sierra Limited note below — GM sold two generations that year. Fast shipping across Canada.
Sierra Headlight Buying Guide (2018–2026)
The one-year Limited trap
For 2019 only, GMC sold the all-new 4th-generation Sierra (T1XX) alongside the previous 3rd generation, rebadged as the Sierra Limited (K2XX). A smaller version of Ram’s Classic trap — but it still catches buyers. Check your badging and VIN.
| Year Range | Generation | Headlight Notes |
|---|---|---|
| 2018 | 3rd gen (K2XX) | Halogen projector base; LED DRL; HID/LED on Denali |
| 2019 | 4th gen (T1XX) AND Sierra Limited (K2XX) | ⚠️ Two generations — confirm T1XX vs. Limited |
| 2020–2026 | 4th gen (T1XX) | Halogen reflector base; LED on upper trims; 2022 refresh |
The Denali tax
Denali and Denali Ultimate trims run unique headlight units with signature LED DRL treatments — and they cost accordingly. When a Denali headlight dies, owners face the steepest replacement bill in the half-ton class. Aftermarket DOT/SAE-compliant assemblies are the smart alternative to dealer pricing — match the Denali-specific unit, not the SLE lamp.
Halogen vs. LED
Base trims used halogen (projector on K2XX, reflector on T1XX); upper trims got LED. Upgrading means a complete assembly for your exact generation — never LED bulbs in a halogen housing.
Checklist before ordering
- Generation — 2018 (K2XX), 2019 (T1XX or Limited), 2020+ (T1XX).
- Denali or not — Denali units are trim-specific.
- Halogen or LED — match or upgrade the full assembly.
- Side — driver, passenger, or matched pair.
All orders ship from within Canada with 30-day returns.
Frequently Asked Questions
What is the 2019 Sierra Limited?
The previous 3rd-generation (K2XX) Sierra, sold alongside the new 4th generation for the 2019 model year only. Its headlights do not interchange with the T1XX truck.
Are Denali headlights different from SLE headlights?
Yes — Denali trims use unique headlight units with signature LED treatments. Order the Denali-specific assembly for your generation.
Can I upgrade my halogen headlights to LED?
Yes, with complete LED assemblies built for your exact generation and trim. Never install LED bulbs into a halogen reflector or projector.
How fast is shipping within Canada?
Orders ship from within Canada with tracked delivery, and every headlight is covered by our 30-day return policy.