The 2021 Chevrolet Spark has 36 ignition parts with verified fitment on this page — 7 part types and 15 brands, covering the 1.4L L4 engine. Each part includes a manufacturer part number and application notes.
The ignition system on the 2021 Chevrolet Spark delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. The largest groups are Camshaft Position Sensor (11 parts), Crankshaft Position Sensor (8 parts) and Ignition Coil (7 parts). The other 4 part types cover the remaining 10 parts.
Every part on this page is matched to the 1.4L L4 — the only engine offered in the 2021 Chevrolet Spark.
The most listed brands for 2021 Chevrolet Spark ignition parts are GM GENUINE (8 parts), STANDARD MOTOR PRODUCTS (4 parts) and WELLS (4 parts), plus 12 more brands. Quality grades include Standard Replacement, Economy and Premium.
7 parts on this 2021 Chevrolet Spark page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including GM GENUINE 12636947 (Camshaft Position Sensor) and GM GENUINE 12662533 (Crankshaft Position Sensor). Click any part number to see every vehicle that part fits.
Camshaft Position Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2CAM0579 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| PRENCO | 4E1257 | 🇺🇸 US 🇨🇦 CA | Cam position sensor | View on Amazon |
| UNITED MOTOR PRODUCTS | CAM389 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| VEMO | V40720039 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 12636947 | 🇺🇸 US 🇨🇦 CA | with Seal | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | PC1138 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Quantity: 1 | View on Amazon |
| WALKER PRODUCTS Popular | 2351882 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Sensor OnlyIncludes Seal | View on Amazon |
| ASTEMO / HITACHI | CPS0239 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| DELPHI | SS12156 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HELLA | 009168511 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 3-Pin ConnectorIncludes Seal | View on Amazon |
| WELLS | 5S15062 | 🇺🇸 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.
11 Camshaft Position Sensor parts are listed for the 2021 Chevrolet Spark, from HOLSTEIN, PRENCO, UNITED MOTOR PRODUCTS and 8 other brands. GM GENUINE 12636947 carries the "Popular" badge.
In the Economy grade, HOLSTEIN, PRENCO, UNITED MOTOR PRODUCTS and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is HOLSTEIN 2CAM0579.
The Standard Replacement section lists 7 options from GM GENUINE, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 4 other brands — built to original-equipment specification. GM GENUINE 12636947 is listed in this group.
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.
This group shows a single part: GM GENUINE 12626252.
Crankshaft Position Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2CRK0729 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| VEMO | V40720062 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | ACTIV or LS Model or LT Model | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 12662533 | 🇺🇸 US 🇨🇦 CA | Fits Automatic CVT Transmissionwithout Seal | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | PC1134 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| ASTEMO / HITACHI | CPS0182 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Terminal Type: Blade | View on Amazon |
| DELPHI | SS12503 | 🇺🇸 US 🇨🇦 CA | Terminal Type: Blade | View on Amazon |
| WALKER PRODUCTS | 2351894 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Sensor Only | View on Amazon |
| WELLS | 5S15178 | 🇺🇸 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.
8 Crankshaft Position Sensor parts are listed for the 2021 Chevrolet Spark, from HOLSTEIN, VEMO, GM GENUINE and 5 other brands. GM GENUINE 12662533 carries the "Popular" badge.
Economy: 2 parts, from HOLSTEIN and VEMO. A representative part number is HOLSTEIN 2CRK0729.
The Standard Replacement section: 6 options from GM GENUINE, STANDARD MOTOR PRODUCTS, ASTEMO / HITACHI and 3 other brands. GM GENUINE 12662533 is listed in this group.
Part numbers include GM GENUINE 12662533, HOLSTEIN 2CRK0729 and VEMO V40720062, among others listed above.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ULTRA-POWER Popular | UF837 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| PRENCO | 368358 | 🇺🇸 US 🇨🇦 CA | Includes 36-2174 Boot Kit | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI Popular | GN10883 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 12673523 | 🇺🇸 US 🇨🇦 CA | Fits ACTIV or LS Model or LT Model5 speed Manual trans.or Automatic CVT transmission | View on Amazon |
| STANDARD MOTOR PRODUCTS | UF837 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WALKER PRODUCTS | 9212348 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Single Coil | View on Amazon |
| WELLS | 5C2137 | 🇺🇸 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.
7 Ignition Coil parts are listed for the 2021 Chevrolet Spark, from ULTRA-POWER, PRENCO, DELPHI and 4 other brands. ULTRA-POWER UF837 carries the "Popular" badge.
Economy: 2 parts, from ULTRA-POWER and PRENCO. A representative part number is ULTRA-POWER UF837.
The Premium section lists 1 option from DELPHI — a step above OE specification in materials, tolerances or warranty terms. DELPHI GN10883 is listed in this group.
The Standard Replacement section: 4 options from GM GENUINE, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 1 other brand. GM GENUINE 12673523 is listed in this group.
This group includes ULTRA-POWER UF837, PRENCO 368358 and DELPHI GN10883 and the remaining parts above.
Ignition Lock Cylinder
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | D1464G | 🇺🇸 US 🇨🇦 CA | Non Push To Turn Lock CylinderIncs Tumblers, Springs and Instruction Sheet | View on Amazon |
| GM GENUINE | 13528553 | 🇺🇸 US 🇨🇦 CA | Fits Push to Turn Ignition Lock CylinderElectric Side Door Lock, Remote Panic Alarm (BTT), Additional Foldable Key (KTF), Long Distance 315 MHz Frequency (XL7) | View on Amazon |
| STANDARD MOTOR PRODUCTS | US644L | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WELLS | 4H1762 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the lock cylinders in the ignition switch.
4 Ignition Lock Cylinder parts are listed for the 2021 Chevrolet Spark, from GM GENUINE, STANDARD MOTOR PRODUCTS and WELLS.
This group includes GM GENUINE D1464G, GM GENUINE 13528553 and STANDARD MOTOR PRODUCTS US644L and the remaining parts above.
Ignition Lock Housing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 42722004 | 🇺🇸 US 🇨🇦 CA | Fits ACTIV or LT Model5 speed Manual trans. | View on Amazon |
| GM GENUINE | 42722005 | 🇺🇸 US 🇨🇦 CA | Fits Automatic CVT TransmissionACTIV or LT Model | View on Amazon |
This table covers the Ignition Lock housings.
2 Ignition Lock Housing parts for the 2021 Chevrolet Spark come from GM GENUINE.
Part numbers include GM GENUINE 42722004 and GM GENUINE 42722005.
Spark Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 41124 | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentIridium | View on Amazon |
| CHAMPION | 9665 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IridiumPre-Set Gap: 0.026" | View on Amazon |
| NGK | 94051 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Laser Iridium High IgnitabilityPre-Set Gap: 0.036" | 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.
3 Spark Plug parts for the 2021 Chevrolet Spark come from 3 brands — ACDELCO, CHAMPION and NGK.
Listed part numbers: ACDELCO 41124, CHAMPION 9665 and NGK 94051.
Buying Ignition Parts for a 2021 Chevrolet Spark
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 1.4L L4 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: Camshaft Position Sensor and Crankshaft Position Sensor .
Frequently Asked Questions
How many ignition parts fit the 2021 Chevrolet Spark?
Our catalog currently lists 36 ignition parts for the 2021 Chevrolet Spark across 7 subcategories and 15 brands, covering the 1.4L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 2021 Chevrolet Spark?
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 Chevrolet Spark?
Notes on this page include pre-set gaps of 0.026", 0.032", 0.035" and 0.036". 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 Chevrolet Spark 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 Chevrolet Spark?
Every part on this page is matched to the 1.4L L4 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 2021 Chevrolet Spark
Ignition Parts for Other Chevrolet Spark 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.