30 Electrical switch & relay parts are listed for the 2026 Buick Encore, in 20 part types, covering both the 1.2L L3 Turbocharged and the 1.3L L3 Turbocharged. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2026 Buick Encore, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches. 8 parts of the 30 listed are Power Window Switch (4 parts), Cruise Control Switch (2 parts) and Liftgate Close Switch (2 parts). The other 17 part types cover the remaining 22 parts.
The 2026 Buick Encore was sold with both the 1.2L L3 Turbocharged and the 1.3L L3 Turbocharged. 28 parts fit every engine; the other 2 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2026 Buick Encore electrical switch & relay parts are GM GENUINE (28 parts), DORMAN (1 part) and HOLSTEIN (1 part).
Each part number listed for the 2026 Buick Encore opens a page with every vehicle that part fits.
A/C Compressor Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 Encore engines | 13598344 | 🇺🇸 US 🇨🇦 CA | Fits Stop/Start Engine Control System (KL9), Trailer Provisions (V92)Air Conditioning Clutch | View on Amazon |
This table covers the relays that control the A/C Compressor circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.
This group shows a single part: GM GENUINE 13598344.
A/C Refrigerant Pressure Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 Encore engines | 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.
Accessory Delay Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 Encore engines | 13500114 | 🇺🇸 US 🇨🇦 CA | Gray35AMP | View on Amazon |
This table covers the relays that control the Accessory Delay circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.
One part is listed for the 2026 Buick Encore — GM GENUINE 13500114.
Brake Light Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 Encore engines | 96484304 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
This table covers the relays that control the Brake Light circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.
One part is listed for the 2026 Buick Encore — GM GENUINE 96484304.
Cruise Control Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 Encore engines | 13531977 | 🇺🇸 US 🇨🇦 CA | Jet BlackExcept Heated Steering Wheel Switch (UVD) | View on Amazon |
| GM GENUINE Fits: all 2026 Encore engines | 13531978 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
This table covers the Cruise 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.
GM GENUINE supplies both parts for the 2026 Buick Encore. All of them fit every engine offered in the 2026 Encore.
Part numbers include GM GENUINE 13531977 and GM GENUINE 13531978.
Defroster Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 Encore engines | 84095362 | 🇺🇸 US 🇨🇦 CA | Fits Stop/Start Engine Control System (KL9), Trailer Provisions (V92)Rear Defoggeror Stop/Start Engine Control System (KL9) | View on Amazon |
This table covers the relays that control the Defroster circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.
This group shows a single part: GM GENUINE 84095362.
Diesel Fuel Heater Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 Encore engines | 84095362 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the relays that control the Diesel Fuel Heater circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.
One part is listed for the 2026 Buick Encore — GM GENUINE 84095362.
Door Lock Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 Encore engines | 42899246 | 🇺🇸 US 🇨🇦 CA | LeftJet Black | View on Amazon |
This table covers the Door Lock 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 42899246.
Engine Control Module Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 Encore engines | 84095363 | 🇺🇸 US 🇨🇦 CA | 630 ISO Mini Relay | View on Amazon |
This table covers the relays that control the Engine Control Module circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.
One part is listed for the 2026 Buick Encore — GM GENUINE 84095363.
Hazard Warning Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 Encore engines | 42791274 | 🇺🇸 US 🇨🇦 CA | JET BLACK | View on Amazon |
This table covers the Hazard Warning 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 Encore — GM GENUINE 42791274.
Ignition Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 Encore engines | 84095362 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the relays that control the Ignition circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.
One part is listed for the 2026 Buick Encore — GM GENUINE 84095362.
Liftgate Close Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 Encore engines | 42719865 | 🇺🇸 US 🇨🇦 CA | Lift Gate (TB4), Interior Trim Color (4JK), Interior Trim Color (4JO)Jet Black | View on Amazon |
| GM GENUINE Fits: all 2026 Encore engines | 84915954 | 🇺🇸 US 🇨🇦 CA | UNCODEDJET BLACK | 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.
GM GENUINE supplies both parts for the 2026 Buick Encore. All of them fit every engine offered in the 2026 Encore.
Part numbers include GM GENUINE 42719865 and GM GENUINE 84915954.
Oil Pressure Sender / Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2026 Encore engines | 926397 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 3 Way with Leads, with Flat Connector | View on Amazon |
| HOLSTEIN Fits: 1.3L L3 Turbocharged | 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 Encore come from 2 brands — DORMAN and HOLSTEIN. 1 part fits every engine; the other 1 is engine-specific.
This group includes DORMAN 926397 and HOLSTEIN 2OPS0020.
Parking Lamp Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 Encore engines | 96484304 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
This table covers the relays that control the Parking Lamp circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.
This group shows a single part: GM GENUINE 96484304.
Power Window Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 Encore engines | 85694267 | 🇺🇸 US 🇨🇦 CA | RearJET BLACK | View on Amazon |
| GM GENUINE Fits: all 2026 Encore engines | 84513460 | 🇺🇸 US 🇨🇦 CA | Terminal Type: "Blade Pin" | View on Amazon |
| GM GENUINE Fits: all 2026 Encore engines | 84699725 | 🇺🇸 US 🇨🇦 CA | Front LeftMANUAL FOLD | View on Amazon |
| GM GENUINE Fits: 1.3L L3 Turbocharged | 85694265 | 🇺🇸 US 🇨🇦 CA | Front LeftAvenir | 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.
4 Power Window Switch parts for the 2026 Buick Encore come from GM GENUINE. 3 parts fit every engine; the other 1 is engine-specific.
This group includes GM GENUINE 85694267, GM GENUINE 84513460 and GM GENUINE 84699725 and the remaining parts above.
Starter Motor Control Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 Encore engines | 84095363 | 🇺🇸 US 🇨🇦 CA | Fits Stop/Start Engine Control System (KL9), Trailer Provisions (V92)630 ISO Mini Relay | View on Amazon |
| GM GENUINE Fits: all 2026 Encore engines | 96484304 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
This table covers the relays that control the Starter Motor Control circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.
GM GENUINE supplies both parts for the 2026 Buick Encore. All of them fit every engine offered in the 2026 Encore.
This group includes GM GENUINE 84095363 and GM GENUINE 96484304.
Sunroof / Sunshade Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 Encore engines | 39102582 | 🇺🇸 US 🇨🇦 CA | Power Sun Roof (C3U), Entry Level Virtual Infotainment System (IVA), North America (MAH), GPS 1 Vehicle Communication System (UE1), Occupant Sensing Display (UUA)Jet Black | View on Amazon |
| GM GENUINE Fits: all 2026 Encore engines | 39138782 | 🇺🇸 US 🇨🇦 CA | Power Sun Roof (C3U), Entry Level Virtual Infotainment System (IVA), North America (MAH), GPS 1 Vehicle Communication System (UE1), Occupant Sensing Display (UUA)Jet Black | View on Amazon |
This table covers the Sunroof / Sunshade 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 Encore. All of them fit every engine offered in the 2026 Encore.
Listed part numbers: GM GENUINE 39102582 and GM GENUINE 39138782.
Trunk Lid / Tailgate Release Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 Encore engines | 84389158 | 🇺🇸 US 🇨🇦 CA | JET BLACKDRIVER DOOR | 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.
One part is listed for the 2026 Buick Encore — GM GENUINE 84389158.
Turn Signal Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 Encore engines | 42750983 | 🇺🇸 US 🇨🇦 CA | JET BLACKIntelligent High Beam Control (TQ5) | View on Amazon |
| GM GENUINE Fits: all 2026 Encore engines | 42750982 | 🇺🇸 US 🇨🇦 CA | Turn Signal Driver Information Center Left HandJet Black | View on Amazon |
This table covers the combination / turn-signal 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.
2 Turn Signal Switch 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 42750983 and GM GENUINE 42750982.
Wiper / Washer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 Encore engines | 42712430 | 🇺🇸 US 🇨🇦 CA | Jet BlackExcept Pulse Moisture Sensitive Windshield Wiper System (CE1) | View on Amazon |
| GM GENUINE Fits: all 2026 Encore engines | 42712431 | 🇺🇸 US 🇨🇦 CA | Pulse Moisture Sensitive Windshield Wiper System (CE1)JET BLACK | View on Amazon |
This table covers the Wiper / Washer 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 Encore. All of them fit every engine offered in the 2026 Encore.
Listed part numbers: GM GENUINE 42712430 and GM GENUINE 42712431.
Buying Electrical Switch & Relay Parts for a 2026 Buick Encore
On this vehicle, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches.
- Match the engine first. Some electrical switch & relay parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- 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: Power Window Switch and Cruise Control Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2026 Buick Encore?
Our catalog currently lists 30 electrical switch & relay parts for the 2026 Buick Encore across 20 subcategories and 3 brands, 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 switch & relay parts differ between 2026 Buick Encore engines?
Some do. 28 parts fit every engine; the other 2 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of electrical switch & relay problems on a 2026 Buick Encore?
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 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?
First match the engine — each row shows which engine(s) the part fits. 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 Encore
Electrical Switch & Relay Parts for Other Buick Encore Years
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