The 2025 Buick Envista has 14 ignition parts with verified fitment on this page — 5 part types and 8 brands, covering the 1.2L L3 Turbocharged engine. Each part includes a manufacturer part number and application notes.
On the 2025 Buick Envista, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. 11 parts of the 14 listed are Spark Plug (5 parts), Camshaft Position Sensor (3 parts) and Ignition Coil (3 parts). The other 2 part types cover the remaining 3 parts.
The 2025 Buick Envista came with a single engine, the 1.2L L3 Turbocharged, and every part is verified against it.
8 brands supply ignition parts for the 2025 Buick Envista, led by GM GENUINE (4 parts), WELLS (2 parts) and ACDELCO (2 parts), plus 5 more brands. Quality grades include Standard Replacement and Premium.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2025 Buick Envista. 1 part has it: ACDELCO 41156 (Spark Plug). Each part number opens a page with every vehicle that part fits.
Camshaft Position Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 12733487 | 🇺🇸 US 🇨🇦 CA | Gasket Or Seal Material: RubberTerminal Type: Pin | View on Amazon |
| GM GENUINE | 12732025 | 🇺🇸 US 🇨🇦 CA | Gasket Or Seal Material: RubberTerminal Type: Blade Pin | View on Amazon |
| WELLS | 5S17949 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the sensors that report camshaft position to the ECU. Typical signs include a stall, a no-start, or a code for cam or crank correlation. Check the connector and the reluctor gap before replacing the sensor.
3 Camshaft Position Sensor parts for the 2025 Buick Envista come from 2 brands — GM GENUINE and WELLS.
This group includes GM GENUINE 12733487, GM GENUINE 12732025 and WELLS 5S17949.
Camshaft Position Sensor Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 12626252 | 🇺🇸 US 🇨🇦 CA | Color: Orange | View on Amazon |
This table covers the seals at the Camshaft Position Sensor. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
One part is listed for the 2025 Buick Envista — GM GENUINE 12626252.
Crankshaft Position Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 12706708 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 5S16943 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the sensors that report crankshaft position and engine speed. Typical signs include a stall, a no-start, or a code for cam or crank correlation. Check the connector and the reluctor gap before replacing the sensor.
2 Crankshaft Position Sensor parts for the 2025 Buick Envista come from 2 brands — GM GENUINE and WELLS.
Listed part numbers: GM GENUINE 12706708 and WELLS 5S16943.
Ignition Coil
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI | GN11166 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 55595166 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
| STANDARD MOTOR PRODUCTS | UF898 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the coils that fire each spark plug. Typical signs include a misfire that follows one cylinder, a snap in damp weather, or a coil that is swollen or cracked. Swap a suspect coil with a neighbor to confirm, then replace boots that tore on the way off.
3 Ignition Coil parts for the 2025 Buick Envista come from 3 brands — DELPHI, ACDELCO and STANDARD MOTOR PRODUCTS.
In the Premium grade, DELPHI supplies 1 part: a step above OE specification in materials, tolerances or warranty terms. A representative part number is DELPHI GN11166.
In the Standard Replacement grade, ACDELCO and STANDARD MOTOR PRODUCTS supply 2 parts: built to original-equipment specification. A representative part number is ACDELCO 55595166.
Part numbers include DELPHI GN11166, ACDELCO 55595166 and STANDARD MOTOR PRODUCTS UF898.
Spark Plug
Summary: Notes include pre-set gaps of 0.028" and 0.03". Replacement brands in this table include NGK, ACDELCO and BOSCH.
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 41156 | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentIridium | View on Amazon |
| BOSCH | 8508 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | EVO | View on Amazon |
| NGK | 97977 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Iridium IX | View on Amazon |
| NGK | 91970 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Laser IridiumPre-Set Gap: 0.028" | View on Amazon |
| SKP | SK91970 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Gap 0.028" | View on Amazon |
This table covers the spark plugs for this engine. Typical signs include misfire under load, rough idle, or a flashing check-engine light. Verify the gap even on pre-gapped plugs, and replace coil boots that come off a high-mileage engine.
5 Spark Plug parts are listed for the 2025 Buick Envista, from NGK, ACDELCO, BOSCH and 1 other brand. ACDELCO 41156 carries the "Popular" badge.
Listed part numbers: ACDELCO 41156, BOSCH 8508 and NGK 97977, plus the other parts above.
Buying Ignition Parts for a 2025 Buick Envista
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 1.2L L3 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, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Spark Plug and Camshaft Position Sensor .
Frequently Asked Questions
How many ignition parts fit the 2025 Buick Envista?
Our catalog currently lists 14 ignition parts for the 2025 Buick Envista across 5 subcategories and 8 brands, covering the 1.2L L3 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 2025 Buick Envista?
Common symptoms include misfires under load, rough idle, flashing check-engine light, or poor starting in damp weather. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What spark-plug gap is listed for the 2025 Buick Envista?
Notes on this page include pre-set gaps of 0.028" and 0.03". Still verify against spec — even “pre-gapped” plugs should be checked before they go in.
What should I replace at the same time?
Where labor overlaps, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
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 2025 Buick Envista 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 2025 Buick Envista?
Every part on this page is matched to the 1.2L L3 Turbocharged engine. Then gap matters even on “pre-gapped” plugs — verify against spec, and replace coil boots when they come off a high-mileage engine. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2025 Buick Envista
Ignition Parts for Other Buick Envista 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.