The 2021 Buick Encore has 18 ignition parts with verified fitment on this page — 7 part types and 8 brands, covering all 3 engine options (1.2L L3 Turbocharged, 1.3L L3 Turbocharged and 1.4L L4 Turbocharged). Each part includes a manufacturer part number and application notes.
The ignition system on the 2021 Buick Encore delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. The largest groups are Camshaft Position Sensor (5 parts), Crankshaft Position Sensor (5 parts) and Ignition Coil (3 parts). The other 4 part types cover the remaining 5 parts.
The 2021 Buick Encore was sold with 3 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
8 brands supply ignition parts for the 2021 Buick Encore, led by GM GENUINE (7 parts), DELPHI (2 parts) and STANDARD MOTOR PRODUCTS (2 parts), plus 5 more brands. Quality grades include Standard Replacement, Economy and Premium.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Buick Encore. 2 parts have it, including GM GENUINE 12683500 (Camshaft Position Sensor) and GM GENUINE 12706708 (Crankshaft Position Sensor). Each part number opens a page with every vehicle that part fits.
Camshaft Position Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 1.3L L3 Turbocharged | 12683500 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DELPHI Fits: 1.3L L3 Turbocharged | SS12501 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 1.3L L3 Turbocharged | PC1268 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WALKER PRODUCTS Fits: 1.3L L3 Turbocharged | 2352372 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | SensorIncludes O-Ring | View on Amazon |
| WELLS Fits: 1.3L L3 Turbocharged | 5S17947 | 🇺🇸 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.
5 Camshaft Position Sensor parts for the 2021 Buick Encore come from 5 brands — GM GENUINE, DELPHI, STANDARD MOTOR PRODUCTS and 2 other brands. The "Popular" part is GM GENUINE 12683500.
Listed part numbers: GM GENUINE 12683500, DELPHI SS12501 and STANDARD MOTOR PRODUCTS PC1268, plus the other parts above.
Camshaft Position Sensor Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 1.3L L3 Turbocharged | 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 2021 Buick Encore — GM GENUINE 12626252.
Crankshaft Position Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SPECTRA PREMIUM Fits: 1.3L L3 Turbocharged | S10570 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 1.3L L3 Turbocharged | 12706708 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 1.3L L3 Turbocharged | PC1242 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WALKER PRODUCTS Fits: 1.3L L3 Turbocharged | 2352364 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Sensor Only | View on Amazon |
| WELLS Fits: 1.3L L3 Turbocharged | 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.
5 Crankshaft Position Sensor parts for the 2021 Buick Encore come from 5 brands — SPECTRA PREMIUM, GM GENUINE, STANDARD MOTOR PRODUCTS and 2 other brands. The "Popular" part is GM GENUINE 12706708.
The Economy section lists 1 option from SPECTRA PREMIUM — the catalog's value-priced group. SPECTRA PREMIUM S10570 is listed in this group.
In the Standard Replacement grade, GM GENUINE, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 1 other brand supply 4 parts: built to original-equipment specification. A representative part number is GM GENUINE 12706708.
This group includes GM GENUINE 12706708, SPECTRA PREMIUM S10570 and STANDARD MOTOR PRODUCTS PC1242 and the remaining parts above.
Ignition Coil
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI Fits: 1.3L L3 Turbocharged | GN11147 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 1.3L L3 Turbocharged | 12698941 | 🇺🇸 US 🇨🇦 CA | is an Isolator Coil, Must Only be Serviced with Isolator Coil. White Paint Dot On Lock Ramp To Recognize Isolator Coil In Field From Non-Isolator | View on Amazon |
| GM GENUINE Fits: 1.3L L3 Turbocharged | 12710878 | 🇺🇸 US 🇨🇦 CA | Non-Isolator Coil, Must be Serviced with Non-Isolator Coil. | 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 2021 Buick Encore come from 2 brands — GM GENUINE and DELPHI.
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 GN11147.
Standard Replacement: 2 parts, from GM GENUINE. A representative part number is GM GENUINE 12698941.
Listed part numbers: DELPHI GN11147, GM GENUINE 12698941 and GM GENUINE 12710878.
Spark Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 1.3L L3 Turbocharged | 41106IP | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentIridium | View on Amazon |
| NGK Fits: 1.3L L3 Turbocharged | 94956 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Laser Iridium | 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.
2 Spark Plug parts are listed for the 2021 Buick Encore, from ACDELCO and NGK.
Part numbers include ACDELCO 41106IP and NGK 94956.
Spark Plug / Ignition Coil Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 1.3L L3 Turbocharged | 12711230 | 🇺🇸 US 🇨🇦 CA | Fits AWDTier 3 Federal Emission System (NTB), SULEV30 California Emissions (NUG), BUPYEONG, KOREA ENGINE PLANT(W8I) | View on Amazon |
This table covers the silicone and rubber boots that insulate the coil-to-plug spark path. Typical signs include a misfire in the rain, carbon tracking on the boot, or a snap when you pop the coil off. Replace boots as a set on a high-mileage engine; one cracked boot will take the coil with it.
This group shows a single part: GM GENUINE 12711230.
Spark Plug Tube Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 1.3L L3 Turbocharged | 12613249 | 🇺🇸 US 🇨🇦 CA | Material: Steel Rubber | View on Amazon |
This table covers the seals at the Spark Plug Tube. 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.
This group shows a single part: GM GENUINE 12613249.
Buying Ignition Parts for a 2021 Buick Encore
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Match the engine first. Every ignition part here is 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, 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: Camshaft Position Sensor and Crankshaft Position Sensor .
Frequently Asked Questions
How many ignition parts fit the 2021 Buick Encore?
Our catalog currently lists 18 ignition parts for the 2021 Buick Encore across 7 subcategories and 8 brands, covering all 3 engine options (1.2L L3 Turbocharged, 1.3L L3 Turbocharged and 1.4L L4 Turbocharged). Each part is matched to the engine(s) it fits.
Do ignition parts differ between 2021 Buick Encore engines?
Yes. Every ignition part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. 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 ignition problems on a 2021 Buick Encore?
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 2021 Buick Encore?
Notes on this page include a 0.030" pre-set gap. 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 2021 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 2021 Buick Encore?
First match the engine — each row shows which engine(s) the part fits. 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 2021 Buick Encore
Ignition Parts for Other Buick Encore Years
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