45 Ignition parts are listed for the 2021 Toyota Prius Prime, in 4 part types, covering the 1.8L L4 ELECTRIC/GAS engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
The ignition system on the 2021 Toyota Prius Prime delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. The largest groups are Camshaft Position Sensor (15 parts), Ignition Coil (14 parts) and Crankshaft Position Sensor (11 parts). The other 1 part type covers the remaining 5 parts.
The 2021 Toyota Prius Prime came with a single engine, the 1.8L L4 ELECTRIC/GAS, and every part is verified against it.
21 brands supply ignition parts for the 2021 Toyota Prius Prime, led by STANDARD MOTOR PRODUCTS (5 parts), WALKER PRODUCTS (4 parts) and DENSO (4 parts), plus 18 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 Toyota Prius Prime. 10 parts have it, including STANDARD MOTOR PRODUCTS PC559T (Camshaft Position Sensor) and HOLSTEIN 2CRK0262 (Crankshaft Position Sensor). Each part number opens a page with every vehicle that part fits.
Camshaft Position Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | PC559T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| AUTOTECNICA | TY1420175 | 🇺🇸 US 🇨🇦 CA | Terminal Type: BladeBlack | View on Amazon |
| DORMAN | 907856 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HOLSTEIN | 2CAM0057 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP | SKPC559 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ULTRA-POWER | 5S6281 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | PC559 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS Popular | 2351343 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| ASTEMO / HITACHI | CPS0256 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| BECK/ARNLEY | 1800499 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DELPHI | SS10939 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DENSO | 1961001 | 🇺🇸 US 🇨🇦 CA | Engine Camshaft Position Sensor | View on Amazon |
| HELLA | 009168411 | 🇺🇸 US | 3-Pin Connectorwith Seal Ring | View on Amazon |
| NTK | EC0295 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 5S6281 | 🇺🇸 US 🇨🇦 CA | 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.
15 Camshaft Position Sensor parts for the 2021 Toyota Prius Prime come from 14 brands — STANDARD MOTOR PRODUCTS, AUTOTECNICA, DORMAN and 11 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS PC559T.
The Economy section lists 6 options from STANDARD MOTOR PRODUCTS, AUTOTECNICA, DORMAN and 3 other brands — the catalog's value-priced group. STANDARD MOTOR PRODUCTS PC559T is listed in this group.
In the Standard Replacement grade, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, ASTEMO / HITACHI and 6 other brands supply 9 parts: built to original-equipment specification. A representative part number is STANDARD MOTOR PRODUCTS PC559.
Crankshaft Position Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN Popular | 2CRK0262 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DORMAN | 917783 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| PRENCO | 4D1214 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | PC819T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | PC819 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS Popular | 2351404 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| BECK/ARNLEY | 1800713 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DELPHI | SS11268 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DENSO | 1961117 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HELLA | 358380491 | 🇺🇸 US | View on Amazon | |
| WELLS | 5S11697 | 🇺🇸 US 🇨🇦 CA | 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.
11 Crankshaft Position Sensor parts for the 2021 Toyota Prius Prime come from 10 brands — STANDARD MOTOR PRODUCTS, HOLSTEIN, DORMAN and 7 other brands. The "Popular" part is HOLSTEIN 2CRK0262.
The Economy section: 4 options from HOLSTEIN, DORMAN, PRENCO and 1 other brand. HOLSTEIN 2CRK0262 is listed in this group.
Standard Replacement: 7 parts, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, BECK/ARNLEY and 4 other brands. A representative part number is STANDARD MOTOR PRODUCTS PC819.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular | SKC966 | 🇺🇸 US 🇨🇦 CA | Coil on Plug | View on Amazon |
| FAMOUS BRAND | 2505637202 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| PRENCO | 368355 | 🇺🇸 US 🇨🇦 CA | Includes 36-2178 Boot Kit | View on Amazon |
| SPECTRA PREMIUM | C1114 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Full Service Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS | 92192326 | 🇺🇸 US 🇨🇦 CA | Full Service Kit | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI Popular | GN10861 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ASTEMO / HITACHI | IGC0572 | 🇺🇸 US 🇨🇦 CA | Coil on Plug | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DENSO Popular | 6731207 | 🇺🇸 US 🇨🇦 CA | Direct Ignition Coil or Coil On Plug | View on Amazon |
| BECK/ARNLEY | 1788593 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| KARLYN / BREMI / STI | 5221 | 🇺🇸 US 🇨🇦 CA | Bremi-STI Direct Ignition Coil Unit | View on Amazon |
| NGK | 49181 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | UF811 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS | 9212326 | 🇺🇸 US 🇨🇦 CA | Single Coil | View on Amazon |
| WELLS | 5C2262 | 🇺🇸 US 🇨🇦 CA | 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.
14 Ignition Coil parts for the 2021 Toyota Prius Prime come from 13 brands — WALKER PRODUCTS, SKP, FAMOUS BRAND and 10 other brands. The "Popular" part is SKP SKC966.
The Economy section: 4 options from SKP, FAMOUS BRAND, PRENCO and 1 other brand. SKP SKC966 is listed in this group.
The Full Service Kit section lists 1 option from WALKER PRODUCTS — grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. WALKER PRODUCTS 92192326 is listed in this group.
In the Premium grade, DELPHI and ASTEMO / HITACHI supply 2 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is DELPHI GN10861.
Standard Replacement: 7 parts, from DENSO, BECK/ARNLEY, KARLYN / BREMI / STI and 4 other brands. A representative part number is DENSO 6731207.
Spark Plug
Summary: Notes include pre-set gaps of 0.035" and 0.040". Replacement brands in this table include SKP, AUTOLITE and BOSCH.
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular | SP1030 | 🇺🇸 US 🇨🇦 CA | Tapered Ground Electrode with Platinum ChipIridium XP | View on Amazon |
| AUTOLITE | AI5684 | 🇺🇸 US 🇨🇦 CA | Iridium Ultra | View on Amazon |
| BOSCH | 96353 | 🇺🇸 US 🇨🇦 CA | OE Fine Wire Double Iridium | View on Amazon |
| DENSO | 3517 | 🇺🇸 US 🇨🇦 CA | Iridium Long LifeSuper Ignition Plug (SIP) | View on Amazon |
| NGK | 95202 | 🇺🇸 US 🇨🇦 CA | Laser Iridium High Ignitability | 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 2021 Toyota Prius Prime, from SKP, AUTOLITE, BOSCH and 2 other brands. SKP SP1030 carries the "Popular" badge.
Listed part numbers: SKP SP1030, AUTOLITE AI5684 and BOSCH 96353, plus the other parts above.
Buying Ignition Parts for a 2021 Toyota Prius Prime
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 1.8L 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: Camshaft Position Sensor and Ignition Coil .
Frequently Asked Questions
How many ignition parts fit the 2021 Toyota Prius Prime?
Our catalog currently lists 45 ignition parts for the 2021 Toyota Prius Prime across 4 subcategories and 21 brands, covering the 1.8L 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 Prime?
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 Toyota Prius Prime?
Notes on this page include pre-set gaps of 0.035" and 0.040". 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 Toyota Prius Prime 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 Prime?
Every part on this page is matched to the 1.8L 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 Prime
Ignition Parts for Other Toyota Prius Prime Years
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