15 Electrical parts are listed for the 2025 Toyota Corolla, in 5 part types, covering both the 1.8L L4 ELECTRIC/GAS and the 2.0L L4. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2025 Toyota Corolla, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. Most of the listed parts are Starter Motor (6 parts), Battery (4 parts) and Battery Terminal (2 parts). The other 2 part types cover the remaining 3 parts.
The 2025 Toyota Corolla was sold with both the 1.8L L4 ELECTRIC/GAS and the 2.0L L4. 4 parts fit every engine; the other 11 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2025 Toyota Corolla electrical parts are FVP (3 parts), TYC (2 parts) and STANDARD MOTOR PRODUCTS (2 parts), plus 8 more brands. Quality grades include Remanufactured and New.
1 part on this 2025 Toyota Corolla page carries a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — PURE ENERGY 12796 (Starter Motor). Click any part number to see every vehicle that part fits.
Alternator / Generator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TYC Fits: 1.8L L4 ELECTRIC/GAS | 221793 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 150 Amps | View on Amazon |
This table covers the alternators that charge the battery and run the electrical load. Typical signs include dim lights at idle, a battery lamp, or a growl from the charging pulley. Load-test the battery and inspect the belt and grounds — a bad ground mimics a failed alternator.
One part is listed for the 2025 Toyota Corolla — TYC 221793.
Battery
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Fits: all 2025 Corolla engines | S6566B | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AGM | View on Amazon |
| FVP Fits: all 2025 Corolla engines | PLN1AGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 140R | View on Amazon |
| FVP Fits: 2.0L L4 | P47AGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 47 | View on Amazon |
| MOTORCRAFT Fits: all 2025 Corolla engines | BAGMH4 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Tested Tough AGM or Tested Tough MAX SeriesBCI Group 140R or BCI Group: 99R | View on Amazon |
This table covers the batteries listed by group size and specification. Typical signs include slow cranking, a battery lamp, or a no-start after the vehicle sat overnight. Confirm group size and terminal layout in the notes. Clean the posts and the ground before condemning the battery.
4 Battery parts for the 2025 Toyota Corolla come from 3 brands — FVP, BOSCH and MOTORCRAFT. 3 parts fit every engine; the other 1 is engine-specific.
This group includes BOSCH S6566B, FVP PLN1AGM and FVP P47AGM and the remaining parts above.
Battery Terminal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOTECNICA Fits: 2.0L L4 | TY1318200 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Negative Terminal (New Style) | View on Amazon |
| DORMAN Fits: all 2025 Corolla engines | 926516 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Negative Terminal | View on Amazon |
This table covers the terminals and clamps that connect cables to the battery posts.
2 Battery Terminal parts for the 2025 Toyota Corolla come from 2 brands — AUTOTECNICA and DORMAN. 1 part fits every engine; the other 1 is engine-specific.
This group includes AUTOTECNICA TY1318200 and DORMAN 926516.
Speed Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 | SC816 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mounting Type: Push On | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 | SC819 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mounting Type: Bolt Mount | View on Amazon |
This table covers the speed sensors on the transmission, transfer case or ABS ring. Typical signs include a dead speedometer, harsh transmission shifts, or a code for vehicle speed. Inspect the tone wheel and the connector before replacing the sensor.
2 Speed Sensor parts for the 2025 Toyota Corolla come from STANDARD MOTOR PRODUCTS.
Listed part numbers: STANDARD MOTOR PRODUCTS SC816 and STANDARD MOTOR PRODUCTS SC819.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Fits: 2.0L L4 | 31431N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY Popular Fits: 2.0L L4 | 12796 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| FVP Fits: 2.0L L4 | 12796 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY Fits: 2.0L L4 | 16454 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER Fits: 2.0L L4 | 52199 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TYC Fits: 1.8L L4 ELECTRIC/GAS | 116373 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | For Vehicle Built In Japan | View on Amazon |
This table covers the starter motors that crank the engine. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor.
6 Starter Motor parts are listed for the 2025 Toyota Corolla, from WAI GLOBAL, PURE ENERGY, FVP and 3 other brands. PURE ENERGY 12796 carries the "Popular" badge.
In the New grade, WAI GLOBAL supplies 1 part: brand-new units rather than rebuilt ones. A representative part number is WAI GLOBAL 31431N.
In the Remanufactured grade, PURE ENERGY, FVP, REMY and 1 other brand supply 4 parts: factory-rebuilt units with new wear components. A representative part number is PURE ENERGY 12796.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
Listed part numbers: PURE ENERGY 12796 and WAI GLOBAL 31431N, plus the other parts above.
Buying Electrical Parts for a 2025 Toyota Corolla
On this vehicle, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors.
- Match the engine first. Some electrical parts fit every engine; others are 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, clean or renew the battery terminals and grounds with any charging-system repair.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Starter Motor and Battery .
Frequently Asked Questions
How many electrical parts fit the 2025 Toyota Corolla?
Our catalog currently lists 15 electrical parts for the 2025 Toyota Corolla across 5 subcategories and 11 brands, covering both the 1.8L L4 ELECTRIC/GAS and the 2.0L L4. Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2025 Toyota Corolla engines?
Some do. 4 parts fit every engine; the other 11 are engine-specific. Each row (and the filter at the top) shows which. 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 electrical problems on a 2025 Toyota Corolla?
Common symptoms include slow cranking on cold mornings, a battery light that flickers, dim lights at idle, or a check-engine code pointing at a sensor circuit. 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, clean or renew the battery terminals and grounds with any charging-system repair.
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 2025 Toyota Corolla 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 2025 Toyota Corolla?
First match the engine — each row shows which engine(s) the part fits. Then test before replacing — a failed alternator and a bad ground can look identical, and sensors are frequently condemned for wiring faults. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2025 Toyota Corolla
Electrical Parts for Other Toyota Corolla Years
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