This page lists 6 electrical bulb & socket parts for the 2026 Buick Encore, across 4 part types, covering both the 1.2L L3 Turbocharged and the 1.3L L3 Turbocharged. Every part shows its brand, manufacturer part number and fitment notes.
On the 2026 Buick Encore, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. 5 parts of the 6 listed are Step / Courtesy Light Bulb (3 parts), Brake Light Bulb (1 part) and Tail Lamp Bulb (1 part). The other 1 part type covers the remaining 1 part.
The 2026 Buick Encore was sold with both the 1.2L L3 Turbocharged and the 1.3L L3 Turbocharged. All 6 parts on this page fit every engine.
Every electrical bulb & socket part listed for the 2026 Buick Encore comes from GM GENUINE.
Each part number listed for the 2026 Buick Encore opens a page with every vehicle that part fits.
Brake Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 Encore engines | 13591404 | 🇺🇸 US 🇨🇦 CA | W21/5WLL-M BULBSAE TAIL AND STOP LAMP(TVM) | View on Amazon |
This table covers the bulbs in the stop lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
This group shows a single part: GM GENUINE 13591404.
Step / Courtesy Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 Encore engines | 13503363 | 🇺🇸 US 🇨🇦 CA | CenterP-NUT SIZE | View on Amazon |
| GM GENUINE Fits: all 2026 Encore engines | 13500832 | 🇺🇸 US 🇨🇦 CA | Fits RearCLEAR | View on Amazon |
| GM GENUINE Fits: all 2026 Encore engines | 42864052 | 🇺🇸 US 🇨🇦 CA | Rear CenterLT Opel Gray | View on Amazon |
This table covers the bulbs in the step and courtesy lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
3 Step / Courtesy Light Bulb parts for the 2026 Buick Encore come from GM GENUINE. Every part fits both the 1.2L L3 Turbocharged and the 1.3L L3 Turbocharged.
This group includes GM GENUINE 13503363, GM GENUINE 13500832 and GM GENUINE 42864052.
Tail Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 Encore engines | 13500812 | 🇺🇸 US 🇨🇦 CA | Trade # W5WLLSAE Tail and Stop Lamp (TVM) | View on Amazon |
This table covers the bulbs in the tail lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
One part is listed for the 2026 Buick Encore — GM GENUINE 13500812.
Turn Signal Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 Encore engines | 13503356 | 🇺🇸 US 🇨🇦 CA | SAE Tail and Stop Lamp (TVM) | View on Amazon |
This table covers the bulbs in the turn-signal lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
This group shows a single part: GM GENUINE 13503356.
Buying Electrical Bulb & Socket Parts for a 2026 Buick Encore
On this vehicle, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination.
- You do not need to pick an engine: every electrical bulb & socket part on this page fits both the 1.2L L3 Turbocharged and the 1.3L L3 Turbocharged.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace bulbs in pairs so both sides age together, and put a smear of dielectric grease on the new socket contacts.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Step / Courtesy Light Bulb and Brake Light Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2026 Buick Encore?
Our catalog currently lists 6 electrical bulb & socket parts for the 2026 Buick Encore across 4 subcategories and 1 brand, covering both the 1.2L L3 Turbocharged and the 1.3L L3 Turbocharged. Each part is matched to the engine(s) it fits.
Do electrical bulb & socket parts differ between 2026 Buick Encore engines?
No. On this page every electrical bulb & socket part fits both the 1.2L L3 Turbocharged and the 1.3L L3 Turbocharged. You do not need to pick an engine to choose the right row — use the notes for position and trim.
What are the signs of electrical bulb & socket problems on a 2026 Buick Encore?
Common symptoms include a lamp that flickers over bumps, melted or discolored socket plastic, or bulbs that keep failing early on one side. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace bulbs in pairs so both sides age together, and put a smear of dielectric grease on the new socket contacts.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2026 Buick Encore was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2026 Buick Encore?
Every part on this page already fits both the 1.2L L3 Turbocharged and the 1.3L L3 Turbocharged. Then repeated bulb failure in one position usually means a socket or ground problem, not bad bulbs — replace the socket rather than chase it. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2026 Buick Encore
Electrical Bulb & Socket Parts for Other Buick Encore Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.