69 Electrical parts are listed for the 2020 Toyota 4RUNNER, in 11 part types, covering the 4.0L V6 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2020 Toyota 4RUNNER, 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 Alternator / Generator (17 parts), Starter Motor (12 parts) and Battery (8 parts). The other 8 part types cover the remaining 32 parts.
The 2020 Toyota 4RUNNER came with a single engine, the 4.0L V6, and every part is verified against it.
32 brands supply electrical parts for the 2020 Toyota 4RUNNER, led by FIAMM (7 parts), REMY (6 parts) and TERREPOWER (5 parts), plus 29 more brands. Quality grades include Remanufactured, New and Standard Replacement.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2020 Toyota 4RUNNER. 15 parts have it, including WAI GLOBAL 11514N (Alternator / Generator) and AUTOTECNICA TY1416792 (Alternator / Generator Pulley). Each part number opens a page with every vehicle that part fits.
Alternator / Generator
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Popular | 11514N | 🇺🇸 US 🇨🇦 CA | 130 Amps | View on Amazon |
| REMY | 94239 | 🇺🇸 US 🇨🇦 CA | with Optional Equipment130 Amps | View on Amazon |
| REMY | 94345 | 🇺🇸 US 🇨🇦 CA | Standard100 Amps | View on Amazon |
| TERREPOWER | N11517 | 🇺🇸 US 🇨🇦 CA | with Standard Equipment100 Amps | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DENSO Popular | 2101190 | 🇺🇸 US 🇨🇦 CA | Reman | View on Amazon |
| DENSO Popular | 2101235 | 🇺🇸 US 🇨🇦 CA | Reman | View on Amazon |
| FAMOUS BRAND Popular | 11514A | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| BOSCH | AL3389X | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| BOSCH | AL3394X | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| FAMOUS BRAND | 10215A | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| FVP | 11514 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| PURE ENERGY | 10215 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| PURE ENERGY | 11514 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| REMY | 11059 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| REMY | 11209 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER | 11517 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER | 11514 | 🇺🇸 US 🇨🇦 CA | Remanufactured | 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.
17 Alternator / Generator parts for the 2020 Toyota 4RUNNER come from 8 brands — REMY, TERREPOWER, DENSO and 5 other brands. The "Popular" part is WAI GLOBAL 11514N.
The New section lists 4 options from REMY, WAI GLOBAL and TERREPOWER — brand-new units rather than rebuilt ones. WAI GLOBAL 11514N is listed in this group.
The Remanufactured section lists 13 options from DENSO, FAMOUS BRAND, BOSCH and 4 other brands — factory-rebuilt units with new wear components. DENSO 2101190 is listed in this group.
Alternator / Generator Pulley
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOTECNICA Popular | TY1416792 | 🇺🇸 US 🇨🇦 CA | Includes NTN/NSK Bearing | View on Amazon |
| ACDELCO | 37026P | 🇺🇸 US 🇨🇦 CA | Professional / Gold | View on Amazon |
| ACKOJA | A70230005 | 🇺🇸 US 🇨🇦 CA | Clutch Pulley | View on Amazon |
| CONTINENTAL | 49916 | 🇺🇸 US 🇨🇦 CA | SteelPully Width: 40.5mm | View on Amazon |
| LITENS | 920954A | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the pulleys on the alternator shaft. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt.
5 Alternator / Generator Pulley parts are listed for the 2020 Toyota 4RUNNER, from AUTOTECNICA, ACDELCO, ACKOJA and 2 other brands. AUTOTECNICA TY1416792 carries the "Popular" badge.
This group includes AUTOTECNICA TY1416792, ACDELCO 37026P and ACKOJA A70230005 and the remaining parts above.
Battery
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA Popular | 9A3585 | 🇺🇸 US 🇨🇦 CA | IntimidatorAGM | View on Amazon |
| DEKA Popular | 9A34R | 🇺🇸 US 🇨🇦 CA | IntimidatorAGM | View on Amazon |
| BOSCH | S6523B | 🇺🇸 US 🇨🇦 CA | AGMAGM | View on Amazon |
| DEKA | 9A24F | 🇺🇸 US 🇨🇦 CA | IntimidatorAGM | View on Amazon |
| EXIDE | MX24F | 🇺🇸 US 🇨🇦 CA | Marathon MaxBCI Group 24F | View on Amazon |
| FULLRIVER | FT84024F | 🇺🇸 US 🇨🇦 CA | BCI Group 24F(Length X Width X Height) 10.87 In x 6.77 In x 8.95 In | View on Amazon |
| FVP | P24RAGM | 🇺🇸 US 🇨🇦 CA | Platinum AGMBCI Group: 24 | View on Amazon |
| P1MAX | PMAGM24F | 🇺🇸 US 🇨🇦 CA | BCI Group 24F AGM750 CCA | 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.
8 Battery parts are listed for the 2020 Toyota 4RUNNER, from DEKA, BOSCH, EXIDE and 3 other brands. DEKA 9A3585 carries the "Popular" badge.
Part numbers include DEKA 9A3585, DEKA 9A34R and BOSCH S6523B, among others listed above.
Battery Hold Down
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP | SK744814K | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the clamps and brackets that secure the battery.
This group shows a single part: SKP SK744814K.
Battery Terminal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOTECNICA | TY1318200 | 🇺🇸 US 🇨🇦 CA | Negative Terminal (New Style) | View on Amazon |
| BECK/ARNLEY | 2060001 | 🇺🇸 US 🇨🇦 CA | Positive | View on Amazon |
| BECK/ARNLEY | 2060002 | 🇺🇸 US 🇨🇦 CA | Negative | View on Amazon |
| DORMAN | 926516 | 🇺🇸 US 🇨🇦 CA | Negative Terminal | View on Amazon |
This table covers the terminals and clamps that connect cables to the battery posts.
4 Battery Terminal parts are listed for the 2020 Toyota 4RUNNER, from BECK/ARNLEY, AUTOTECNICA and DORMAN.
Part numbers include AUTOTECNICA TY1318200, BECK/ARNLEY 2060001 and BECK/ARNLEY 2060002, among others listed above.
Horn
Accessory Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FIAMM Popular | 72112 | 🇺🇸 US 🇨🇦 CA | Freeway BlasterAccessory Horn | View on Amazon |
| FIAMM | 7410024 | 🇺🇸 US 🇨🇦 CA | Accessory HornEl Grande | View on Amazon |
| FIAMM | 6602023 | 🇺🇸 US 🇨🇦 CA | Accessory HornRed | View on Amazon |
| FIAMM | 6602523 | 🇺🇸 US 🇨🇦 CA | Accessory HornChrome | View on Amazon |
| FIAMM | 6604523 | 🇺🇸 US 🇨🇦 CA | Ultimate Blast HornAccessory Horn | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FIAMM Popular | 7421122 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors & L Bracket | View on Amazon |
| FIAMM | 7421322 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors | View on Amazon |
This table covers the horns mounted in the front of the vehicle.
FIAMM supplies the 7 Horn parts for the 2020 Toyota 4RUNNER. FIAMM 72112 carries the "Popular" badge.
In the Accessory Replacement grade, FIAMM supplies 5 parts: grouped under the catalog's "Accessory Replacement" designation — the notes column spells out what sets them apart. A representative part number is FIAMM 72112.
The Standard Replacement section lists 2 options from FIAMM — built to original-equipment specification. FIAMM 7421122 is listed in this group.
Listed part numbers: FIAMM 72112, FIAMM 7410024 and FIAMM 6602023, plus the other parts above.
Keyless Entry Remote
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 99685ST | 🇺🇸 US 🇨🇦 CA | Requires Locksmith Or Additional Scan Tool To Program | View on Amazon |
This table covers the key fobs that lock, unlock and start the vehicle.
This group shows a single part: DORMAN 99685ST.
Parking Aid Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | PPS275 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| MARELLI | SDP215 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| STANDARD MOTOR PRODUCTS | PPS103 | 🇺🇸 US 🇨🇦 CA | Front and Rearsilver | View on Amazon |
| TECHPRO | TO1075103 | 🇺🇸 US 🇨🇦 CA | Fits FrontAttitude Black (Code 218) | View on Amazon |
| TECHPRO | TO1075104 | 🇺🇸 US 🇨🇦 CA | Fits FrontMagnetic Gray (Code 1G3) | View on Amazon |
This table covers the ultrasonic park-aid sensors in the bumper. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.
5 Parking Aid Sensor parts for the 2020 Toyota 4RUNNER come from 3 brands — STANDARD MOTOR PRODUCTS, TECHPRO and MARELLI. The "Popular" part is STANDARD MOTOR PRODUCTS PPS275.
Part numbers include STANDARD MOTOR PRODUCTS PPS275, MARELLI SDP215 and STANDARD MOTOR PRODUCTS PPS103, among others listed above.
Speed Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN Popular | 2VSS0053 | 🇺🇸 US 🇨🇦 CA | Fits 4WDBody code GRN285 | View on Amazon |
| BECK/ARNLEY | 0905154 | 🇺🇸 US 🇨🇦 CA | Revolution SensorAutomatic Trans. | View on Amazon |
| GPD | 1815612 | 🇺🇸 US 🇨🇦 CA | Transmission SpeedAutomatic Trans. | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS Popular | 2401024 | 🇺🇸 US 🇨🇦 CA | Includes O-Ring | View on Amazon |
| HELLA | 009145191 | 🇺🇸 US 🇨🇦 CA | 2-pin connector | View on Amazon |
| NTK | AU0147 | 🇺🇸 US 🇨🇦 CA | Fits Transmission SpeedInput | View on Amazon |
| STANDARD MOTOR PRODUCTS | SC461 | 🇺🇸 US 🇨🇦 CA | Vehicle Speed | View on Amazon |
| WELLS | 5S5430 | 🇺🇸 US 🇨🇦 CA | Fits Transmission SpeedInput | 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.
8 Speed Sensor parts are listed for the 2020 Toyota 4RUNNER, from HOLSTEIN, BECK/ARNLEY, GPD and 5 other brands. HOLSTEIN 2VSS0053 carries the "Popular" badge.
In the Economy grade, HOLSTEIN, BECK/ARNLEY and GPD supply 3 parts: the catalog's value-priced group. A representative part number is HOLSTEIN 2VSS0053.
The Standard Replacement section: 5 options from WALKER PRODUCTS, HELLA, NTK and 2 other brands. WALKER PRODUCTS 2401024 is listed in this group.
Part numbers include HOLSTEIN 2VSS0053, BECK/ARNLEY 0905154 and GPD 1815612, among others listed above.
Starter Drive
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 2K1327 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the starter drives that engage the flywheel ring gear.
One part is listed for the 2020 Toyota 4RUNNER — WELLS 2K1327.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TYC Popular | 119176 | 🇺🇸 US 🇨🇦 CA | Limited or Nightshade or SR5 Model or SR5 Premium or TRD Off-Road or TRD Off-Road Premium or TRD Pro or Venture | View on Amazon |
| ULTRA-POWER Popular | 119176 | 🇺🇸 US 🇨🇦 CA | LimitedNightshade | View on Amazon |
| REMY | 99243 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TERREPOWER | N19176 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WAI GLOBAL | 19176N | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY Popular | 19176 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| ACDELCO | 3362263A | 🇺🇸 US 🇨🇦 CA | GoldRemanufactured | View on Amazon |
| BOSCH | SR3314X | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| DENSO | 2800391 | 🇺🇸 US 🇨🇦 CA | Reman | View on Amazon |
| FVP | 19176 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| REMY | 16371 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER | 19176 | 🇺🇸 US 🇨🇦 CA | Remanufactured | 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.
12 Starter Motor parts for the 2020 Toyota 4RUNNER come from 10 brands — REMY, TERREPOWER, TYC and 7 other brands. The "Popular" part is TYC 119176.
The New section: 5 options from TYC, ULTRA-POWER, REMY and 2 other brands. TYC 119176 is listed in this group.
The Remanufactured section: 7 options from PURE ENERGY, ACDELCO, BOSCH and 4 other brands. PURE ENERGY 19176 is listed in this group.
Buying Electrical Parts for a 2020 Toyota 4RUNNER
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.
- Confirm you have the 4.0L V6 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, 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: Alternator / Generator and Starter Motor .
Frequently Asked Questions
How many electrical parts fit the 2020 Toyota 4RUNNER?
Our catalog currently lists 69 electrical parts for the 2020 Toyota 4RUNNER across 11 subcategories and 32 brands, covering the 4.0L V6 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 2020 Toyota 4RUNNER?
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 2020 Toyota 4RUNNER 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 2020 Toyota 4RUNNER?
Every part on this page is matched to the 4.0L V6 engine. 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 2020 Toyota 4RUNNER
Electrical Parts for Other Toyota 4RUNNER Years
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