2021 Toyota Corolla Ignition Parts

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. Read more

21 Camshaft Position Sensor parts for the 2021 Toyota Corolla come from 14 brands — HOLSTEIN, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 11 other brands. The "Popular" part is HOLSTEIN 2CAM0627.

The Economy section lists 7 options from HOLSTEIN, STANDARD MOTOR PRODUCTS, AUTOTECNICA and 3 other brands — the catalog's value-priced group. HOLSTEIN 2CAM0627 is listed in this group.

In the Standard Replacement grade, WALKER PRODUCTS, ASTEMO / HITACHI, BECK/ARNLEY and 6 other brands supply 13 parts: built to original-equipment specification. A representative part number is STANDARD MOTOR PRODUCTS PC559.

1 further part sits outside the graded sections, with the same engine-level match.

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. Read more

21 Crankshaft Position Sensor parts for the 2021 Toyota Corolla come from 13 brands — STANDARD MOTOR PRODUCTS, HOLSTEIN, VEMO and 10 other brands. The "Popular" part is HOLSTEIN 2CRK0262. 1 part fits every engine; the other 20 are engine-specific.

The Economy section: 8 options from HOLSTEIN, VEMO, DORMAN and 3 other brands. HOLSTEIN 2CRK0262 is listed in this group.

Standard Replacement: 13 parts, from BECK/ARNLEY, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 5 other brands. A representative part number is BECK/ARNLEY 1800802.

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. Read more

24 Ignition Coil parts for the 2021 Toyota Corolla come from 15 brands — WALKER PRODUCTS, ASTEMO / HITACHI, DELPHI and 12 other brands. The "Popular" part is AUTOTECNICA TY1321451. 3 parts fit every engine; the other 21 are engine-specific.

The Economy section: 4 options from AUTOTECNICA, SKP, FAMOUS BRAND and 1 other brand. AUTOTECNICA TY1321451 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, ASTEMO / HITACHI and DELPHI supply 4 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is ASTEMO / HITACHI IGC0224.

Standard Replacement: 14 parts, from DENSO, BECK/ARNLEY, NGK and 5 other brands. A representative part number is DENSO 6731204.

1 further part sits outside the graded sections, with the same engine-level match.

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. Read more

11 Spark Plug parts are listed for the 2021 Toyota Corolla, from NGK, DENSO, AUTOLITE and 3 other brands. DENSO 3524 carries the "Popular" badge.