16 Electrical switch & relay parts are listed for the 2026 Buick Enclave, in 11 part types, covering the 2.5L L4 Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2026 Buick Enclave, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches. 6 parts of the 16 listed are Dimmer Switch (2 parts), Oil Pressure Sender / Switch (2 parts) and Overdrive Switch (2 parts). The other 8 part types cover the remaining 10 parts.
Every part on this page is matched to the 2.5L L4 Turbocharged — the only engine offered in the 2026 Buick Enclave.
The most listed brands for 2026 Buick Enclave electrical switch & relay parts are GM GENUINE (13 parts), DORMAN (1 part) and HOLSTEIN (1 part), plus 1 more brand.
Each part number listed for the 2026 Buick Enclave opens a page with every vehicle that part fits.
A/C Refrigerant Pressure Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 1551388 | 🇺🇸 US 🇨🇦 CA | Mating Connector Use 86792094with Integrated Circuit | View on Amazon |
This table covers the pressure switches on the A/C circuit. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
This group shows a single part: GM GENUINE 1551388.
Dimmer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 26463937 | 🇺🇸 US 🇨🇦 CA | 4WDStop/Start Engine Control System (KL9) | View on Amazon |
| GM GENUINE | 26463938 | 🇺🇸 US 🇨🇦 CA | FWDStop/Start Engine Control System (KL9) | View on Amazon |
This table covers the dimmer switches that select headlamp high and low beam. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
GM GENUINE supplies both parts for the 2026 Buick Enclave.
Part numbers include GM GENUINE 26463937 and GM GENUINE 26463938.
Gearshift Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24268133 | 🇺🇸 US 🇨🇦 CA | Stop/Start Engine Control System (KL9) | View on Amazon |
This table covers the Gearshift switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
This group shows a single part: GM GENUINE 24268133.
Ignition Starter Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 13547347 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the ignition switches that feed the starter circuit. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
One part is listed for the 2026 Buick Enclave — GM GENUINE 13547347.
Liftgate Close Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 84248379 | 🇺🇸 US 🇨🇦 CA | Hands Free Power Lift Gate, Presence Detection (TCP) | View on Amazon |
This table covers the Liftgate Close switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
One part is listed for the 2026 Buick Enclave — GM GENUINE 84248379.
Oil Pressure Sender / Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 926397 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 3 Way with Leads, with Flat Connector | View on Amazon |
| HOLSTEIN | 2OPS0020 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the senders and switches that report oil pressure to the gauge or lamp. Typical signs include a lamp that stays on, or a gauge that never moves. Confirm power and ground at the connector before replacing the sender or switch.
2 Oil Pressure Sender / Switch parts for the 2026 Buick Enclave come from 2 brands — DORMAN and HOLSTEIN.
Part numbers include DORMAN 926397 and HOLSTEIN 2OPS0020.
Overdrive Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 13558208 | 🇺🇸 US 🇨🇦 CA | Fits RightAvenir or Preferred | View on Amazon |
| GM GENUINE | 13558209 | 🇺🇸 US 🇨🇦 CA | Fits LeftAvenir or Preferred | View on Amazon |
This table covers the Overdrive switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
GM GENUINE supplies both parts for the 2026 Buick Enclave.
Part numbers include GM GENUINE 13558208 and GM GENUINE 13558209.
Parking Brake Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 24295282 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
This table covers the Parking Brake switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
This group shows a single part: ACDELCO 24295282.
Power Window Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 85670262 | 🇺🇸 US 🇨🇦 CA | Programming Required: YES | View on Amazon |
| GM GENUINE | 85670263 | 🇺🇸 US 🇨🇦 CA | Fits Rear LeftAvenir or Sport Touring | View on Amazon |
This table covers the switches that command each window motor. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
2 Power Window Switch parts for the 2026 Buick Enclave come from GM GENUINE.
This group includes GM GENUINE 85670262 and GM GENUINE 85670263.
Steering Wheel Audio Control Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 13561787 | 🇺🇸 US 🇨🇦 CA | Fits RightAvenir or Preferred | View on Amazon |
This table covers the Steering Wheel Audio Control switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
This group shows a single part: GM GENUINE 13561787.
Trunk Lid / Tailgate Release Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 86270094 | 🇺🇸 US 🇨🇦 CA | RearMono HD Digital Vision with 360 View (UV2) | View on Amazon |
| GM GENUINE | 26354181 | 🇺🇸 US 🇨🇦 CA | Bose Premium Audio Speaker System with Amplifier (UQA),Performance Audio Speaker System with Branded Surround Amp (UQP) | View on Amazon |
This table covers the Trunk Lid / Tailgate Release switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
GM GENUINE supplies both parts for the 2026 Buick Enclave.
This group includes GM GENUINE 86270094 and GM GENUINE 26354181.
Buying Electrical Switch & Relay Parts for a 2026 Buick Enclave
On this vehicle, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches.
- Confirm you have the 2.5L L4 Turbocharged 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, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Dimmer Switch and Oil Pressure Sender / Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2026 Buick Enclave?
Our catalog currently lists 16 electrical switch & relay parts for the 2026 Buick Enclave across 11 subcategories and 4 brands, covering the 2.5L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical switch & relay problems on a 2026 Buick Enclave?
Common symptoms include accessories that work intermittently, a click without action, or one function dead while its fuse tests fine. 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, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.
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 Enclave 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 Enclave?
Every part on this page is matched to the 2.5L L4 Turbocharged engine. Then swap a suspect relay with an identical known-good one from the fuse box before buying — it is the fastest diagnostic there is. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2026 Buick Enclave
Electrical Switch & Relay Parts for Other Buick Enclave 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.