The 2021 Mazda CX-30 has 9 ignition parts with verified fitment on this page — 3 part types and 4 brands, covering all 3 engine options (2.0L L4, 2.5L L4 and 2.5L L4 Turbocharged). Each part includes a manufacturer part number and application notes.
The ignition system on the 2021 Mazda CX-30 delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. All 9 listed parts are Ignition Coil (4 parts), Spark Plug (4 parts) and Crankshaft Position Sensor (1 part).
The 2021 Mazda CX-30 was sold with 3 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
4 brands supply ignition parts for the 2021 Mazda CX-30, led by NGK (4 parts), SPECTRA PREMIUM (2 parts) and AUTOTECNICA (2 parts), plus 1 more brand. Quality grades include Economy, Iridium and Platinum.
Each part number listed for the 2021 Mazda CX-30 opens a page with every vehicle that part fits.
Crankshaft Position Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SPECTRA PREMIUM Fits: 2.0L L4 | S10401 | 🇨🇦 CA | Connector Shape: Blade | 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.
This group shows a single part: SPECTRA PREMIUM S10401.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOTECNICA Fits: 2.0L L4 | MA1319601 | 🇨🇦 CA | without Cylinder Deactivation3 Pin Updated Design | View on Amazon |
| SPECTRA PREMIUM Fits: 2.0L L4 | C857 | 🇨🇦 CA | Overall Height: 150 mm | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: 2.0L L4 | 5C2281 | 🇨🇦 CA | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOTECNICA Fits: 2.0L L4 | MA1324584 | 🇨🇦 CA | 4 Pin Original Design | 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.
4 Ignition Coil parts for the 2021 Mazda CX-30 come from 3 brands — AUTOTECNICA, SPECTRA PREMIUM and WELLS.
The Economy section lists 2 options from AUTOTECNICA and SPECTRA PREMIUM — the catalog's value-priced group. AUTOTECNICA MA1319601 is listed in this group.
In the Standard Replacement grade, WELLS supplies 1 part: built to original-equipment specification. A representative part number is WELLS 5C2281.
1 further part sits outside the graded sections, with the same engine-level match.
This group includes AUTOTECNICA MA1319601, SPECTRA PREMIUM C857 and WELLS 5C2281 and the remaining parts above.
Spark Plug
Iridium (lasts up to 4x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Fits: 2.0L L4 | 93501 | 🇨🇦 CA | Iridium IXPre-Set Gap: 0.044" | View on Amazon |
| NGK Fits: 2.0L L4 | 94124 | 🇨🇦 CA | Laser IridiumPre-Set Gap: 0.044" | View on Amazon |
Platinum (lasts up to 2x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Fits: 2.0L L4 | 94297 | 🇨🇦 CA | G-PowerPre-Set Gap: 0.039" | View on Amazon |
Ruthenium (maximum durability & ignitability)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Fits: 2.0L L4 | 92274 | 🇨🇦 CA | Ruthenium HX High IgnitabilityHex Size: 14mm | 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.
NGK supplies the 4 Spark Plug parts for the 2021 Mazda CX-30.
The Iridium (lasts up to 4x longer than Copper / Nickel) section lists 2 options from NGK — grouped under the catalog's "Iridium (lasts up to 4x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. NGK 93501 is listed in this group.
In the Platinum (lasts up to 2x longer than Copper / Nickel) grade, NGK supplies 1 part: grouped under the catalog's "Platinum (lasts up to 2x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. A representative part number is NGK 94297.
In the Ruthenium (maximum durability & ignitability) grade, NGK supplies 1 part: grouped under the catalog's "Ruthenium (maximum durability & ignitability)" designation — the notes column spells out what sets them apart. A representative part number is NGK 92274.
This group includes NGK 93501, NGK 94124 and NGK 94297 and the remaining parts above.
Buying Ignition Parts for a 2021 Mazda CX-30
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: Ignition Coil and Spark Plug .
Frequently Asked Questions
How many ignition parts fit the 2021 Mazda CX-30?
Our catalog currently lists 9 ignition parts for the 2021 Mazda CX-30 across 3 subcategories and 4 brands, covering all 3 engine options (2.0L L4, 2.5L L4 and 2.5L L4 Turbocharged). Each part is matched to the engine(s) it fits.
Do ignition parts differ between 2021 Mazda CX-30 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 Mazda CX-30?
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 Mazda CX-30?
Notes on this page include pre-set gaps of 0.039" and 0.044". 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 Mazda CX-30 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 Mazda CX-30?
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 Mazda CX-30
Ignition Parts for Other Mazda CX-30 Years
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