8 Ignition parts are listed for the 2021 Toyota Prius C, in 3 part types, covering the 1.5L L4 ELECTRIC/GAS engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 Toyota Prius C, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. All 8 listed parts are Crankshaft Position Sensor (3 parts), Ignition Coil (3 parts) and Camshaft Position Sensor (2 parts).
The 2021 Toyota Prius C came with a single engine, the 1.5L L4 ELECTRIC/GAS, and every part is verified against it.
5 brands supply ignition parts for the 2021 Toyota Prius C, led by WALKER PRODUCTS (3 parts), DORMAN (2 parts) and SPECTRA PREMIUM (1 part), plus 2 more brands. Quality grades include Economy, Standard Replacement and Premium.
Each part number listed for the 2021 Toyota Prius C opens a page with every vehicle that part fits.
Camshaft Position Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 907865 | 🇲🇽 MX | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS | 2351341 | 🇲🇽 MX | Sensor Only | 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.
2 Camshaft Position Sensor parts for the 2021 Toyota Prius C come from 2 brands — DORMAN and WALKER PRODUCTS.
The Economy section lists 1 option from DORMAN — the catalog's value-priced group. DORMAN 907865 is listed in this group.
In the Standard Replacement grade, WALKER PRODUCTS supplies 1 part: built to original-equipment specification. A representative part number is WALKER PRODUCTS 2351341.
Listed part numbers: DORMAN 907865 and WALKER PRODUCTS 2351341.
Crankshaft Position Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 907953 | 🇲🇽 MX | View on Amazon | |
| SPECTRA PREMIUM | S10121 | 🇲🇽 MX | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS | 2351175 | 🇲🇽 MX | Sensor Only | 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.
3 Crankshaft Position Sensor parts for the 2021 Toyota Prius C come from 3 brands — DORMAN, SPECTRA PREMIUM and WALKER PRODUCTS.
The Economy section: 2 options from DORMAN and SPECTRA PREMIUM. DORMAN 907953 is listed in this group.
Standard Replacement: 1 part, from WALKER PRODUCTS. A representative part number is WALKER PRODUCTS 2351175.
Listed part numbers: DORMAN 907953, SPECTRA PREMIUM S10121 and WALKER PRODUCTS 2351175.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2IGC0238 | 🇲🇽 MX | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ASTEMO / HITACHI | IGC0139 | 🇲🇽 MX | Coil On Plug IgnitionCoil Type: Individual | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS | 9212034 | 🇲🇽 MX | Single 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 Toyota Prius C come from 3 brands — HOLSTEIN, ASTEMO / HITACHI and WALKER PRODUCTS.
The Economy section: 1 option from HOLSTEIN. HOLSTEIN 2IGC0238 is listed in this group.
In the Premium grade, ASTEMO / HITACHI supplies 1 part: a step above OE specification in materials, tolerances or warranty terms. A representative part number is ASTEMO / HITACHI IGC0139.
Standard Replacement: 1 part, from WALKER PRODUCTS. A representative part number is WALKER PRODUCTS 9212034.
Part numbers include HOLSTEIN 2IGC0238, ASTEMO / HITACHI IGC0139 and WALKER PRODUCTS 9212034.
Buying Ignition Parts for a 2021 Toyota Prius C
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 1.5L L4 ELECTRIC/GAS 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: Crankshaft Position Sensor and Ignition Coil .
Frequently Asked Questions
How many ignition parts fit the 2021 Toyota Prius C?
Our catalog currently lists 8 ignition parts for the 2021 Toyota Prius C across 3 subcategories and 5 brands, covering the 1.5L L4 ELECTRIC/GAS engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 2021 Toyota Prius C?
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 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 Toyota Prius C 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 Toyota Prius C?
Every part on this page is matched to the 1.5L L4 ELECTRIC/GAS 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 Toyota Prius C
Ignition Parts for Other Toyota Prius C 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.