The 2026 GMC Hummer Ev Pickup has 3 electrical bulb & socket parts with verified fitment on this page — 3 part types and 1 brand, covering the ELECTRIC engine. Each part includes a manufacturer part number and application notes.
The bulb and socket system on the 2026 GMC Hummer Ev Pickup covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. All 3 listed parts are Step / Courtesy Light Bulb (1 part), Trunk / Cargo Area Light Bulb (1 part) and Turn Signal Indicator Lamp Bulb (1 part).
The 2026 GMC Hummer Ev Pickup came with a single engine, the ELECTRIC, and every part is verified against it.
Every electrical bulb & socket part listed for the 2026 GMC Hummer Ev Pickup comes from GM GENUINE.
Each part number listed for the 2026 GMC Hummer Ev Pickup opens a page with every vehicle that part fits.
Step / Courtesy Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 86580800 | 🇺🇸 US 🇨🇦 CA | Rear CenterJet Black | 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.
This group shows a single part: GM GENUINE 86580800.
Trunk / Cargo Area Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 13559135 | 🇺🇸 US 🇨🇦 CA | Cargo Area | View on Amazon |
This table covers the bulbs in the trunk or cargo-area lamp. 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 GMC Hummer Ev Pickup — GM GENUINE 13559135.
Turn Signal Indicator Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 85010713 | 🇺🇸 US 🇨🇦 CA | Cylinder Type Bulb: NoShape: Rectangular | View on Amazon |
This table covers the replacement bulbs for the Turn Signal Indicator Lamp. 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 GMC Hummer Ev Pickup — GM GENUINE 85010713.
Buying Electrical Bulb & Socket Parts for a 2026 GMC Hummer Ev Pickup
On this vehicle, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination.
- Confirm you have the ELECTRIC engine — every part on this page is matched to it.
- 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 Trunk / Cargo Area Light Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2026 GMC Hummer Ev Pickup?
Our catalog currently lists 3 electrical bulb & socket parts for the 2026 GMC Hummer Ev Pickup across 3 subcategories and 1 brand, covering the ELECTRIC engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical bulb & socket problems on a 2026 GMC Hummer Ev Pickup?
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 GMC Hummer Ev Pickup 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 GMC Hummer Ev Pickup?
Every part on this page is matched to the ELECTRIC engine. 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 GMC Hummer Ev Pickup
Electrical Bulb & Socket Parts for Other GMC Hummer Ev Pickup 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.