This page lists 35 electrical parts for the 2021 Honda Pilot, across 7 part types, covering the 3.5L V6 engine. Every part shows its brand, manufacturer part number and fitment notes.
The electrical system on the 2021 Honda Pilot covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. The largest groups are Alternator / Generator (11 parts), Battery (9 parts) and Starter Motor (7 parts). The other 4 part types cover the remaining 8 parts.
Every part on this page is matched to the 3.5L V6 — the only engine offered in the 2021 Honda Pilot.
The most listed brands for 2021 Honda Pilot electrical parts are REMY (3 parts), TERREPOWER (3 parts) and ACDELCO (3 parts), plus 19 more brands. Quality grades include Remanufactured, AGM and New.
7 parts on this 2021 Honda Pilot page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including TYC 211773 (Alternator / Generator) and DEKA 9A48 (Battery). Click any part number to see every vehicle that part fits.
Alternator / Generator
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TYC Popular | 211773 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Black Edition or EX Model or EX-L Model or Elite or LX Model or Special Edition or Touring150 Amps | View on Amazon |
| WAI GLOBAL Popular | 11773N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 155 Amps | View on Amazon |
| REMY | 94311 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 155 Amps | View on Amazon |
| TERREPOWER | N11773 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 155 Amps | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 3343082 | 🇺🇸 US 🇨🇦 CA | GoldRemanufactured | View on Amazon |
| BOSCH | AL1324X | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| DENSO | 2101204 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Reman | View on Amazon |
| FVP | 10227 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY | 10227 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY | 11185 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER | 11773 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
11 Alternator / Generator parts are listed for the 2021 Honda Pilot, from REMY, TERREPOWER, TYC and 6 other brands. TYC 211773 carries the "Popular" badge.
In the New grade, TYC, WAI GLOBAL, REMY and 1 other brand supply 4 parts: brand-new units rather than rebuilt ones. A representative part number is TYC 211773.
In the Remanufactured grade, ACDELCO, BOSCH, DENSO and 4 other brands supply 7 parts: factory-rebuilt units with new wear components. A representative part number is ACDELCO 3343082.
Alternator / Generator Pulley
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACKOJA | A26230001 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Clutch Pulley | View on Amazon |
| BANDO | 480053 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Original Equipment Manufacturer | View on Amazon |
| CONTINENTAL | 49936 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| LITENS | 920993A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Installation Tool Required | 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.
4 Alternator / Generator Pulley parts for the 2021 Honda Pilot come from 4 brands — ACKOJA, BANDO, CONTINENTAL and 1 other brand.
This group includes ACKOJA A26230001, BANDO 480053 and CONTINENTAL 49936 and the remaining parts above.
Battery
AGM (Extended Life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA Popular | 9A48 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| LUCAS Popular | LBAGM004A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 48AGM | View on Amazon |
| ACDELCO | 48AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 48 | View on Amazon |
| ACDELCO | 48AGMHR | 🇺🇸 US 🇨🇦 CA | High ReserveAGM | View on Amazon |
| DEKA | 9A47 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| EXIDE | MXH6L348 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 48 (H6) | View on Amazon |
| FVP | P48AGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 48 | View on Amazon |
| P1MAX | PMAGMH648 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group 48 AGM760 CCA | View on Amazon |
Performance AGM (Extended Life + Increased Power)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FULLRIVER | FT68048 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group 48(Length X Width X Height) 10.94 In x 6.89 In x 7.48 In | 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.
9 Battery parts for the 2021 Honda Pilot come from 7 brands — DEKA, ACDELCO, LUCAS and 4 other brands. The "Popular" part is DEKA 9A48.
In the AGM (Extended Life) grade, DEKA, ACDELCO, LUCAS and 3 other brands supply 8 parts: grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. A representative part number is DEKA 9A48.
In the Performance AGM (Extended Life + Increased Power) grade, FULLRIVER supplies 1 part: grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. A representative part number is FULLRIVER FT68048.
Part numbers include DEKA 9A48, LUCAS LBAGM004A and ACDELCO 48AGM, among others listed above.
Battery Current Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 010547761 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BoltedIntelligent Battery Sensor | View on Amazon |
| STANDARD MOTOR PRODUCTS | BSC140 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Intelligent Battery Sensor | View on Amazon |
This table covers the Battery Current sensors. 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.
2 Battery Current Sensor parts are listed for the 2021 Honda Pilot, from HELLA and STANDARD MOTOR PRODUCTS.
Part numbers include HELLA 010547761 and STANDARD MOTOR PRODUCTS BSC140.
Horn
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 011225891 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Hella OE-Connect Horn S77 SetFrequency Range: 350/420HZ | View on Amazon |
This table covers the horns mounted in the front of the vehicle.
This group shows a single part: HELLA 011225891.
Parking Aid Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TECHPRO | HO1075105 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Customer Paints to Match | 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.
One part is listed for the 2021 Honda Pilot — TECHPRO HO1075105.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TYC Popular | 110912 | 🇺🇸 US 🇨🇦 CA | EX Model or EX-L Model or LX Model | View on Amazon |
| SKP | SK110912 | 🇺🇸 US 🇨🇦 CA | EX Model or EX-L Model or LX Model | View on Amazon |
| WAI GLOBAL | 16015N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY Popular | 19590 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| FVP | 19590 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY | 16281 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER | 52074 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
7 Starter Motor parts are listed for the 2021 Honda Pilot, from TYC, SKP, WAI GLOBAL and 4 other brands. TYC 110912 carries the "Popular" badge.
New: 3 parts, from TYC, SKP and WAI GLOBAL. A representative part number is TYC 110912.
Remanufactured: 4 parts, from PURE ENERGY, FVP, REMY and 1 other brand. A representative part number is PURE ENERGY 19590.
Part numbers include TYC 110912, SKP SK110912 and WAI GLOBAL 16015N, among others listed above.
Buying Electrical Parts for a 2021 Honda Pilot
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 3.5L 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 Battery .
Frequently Asked Questions
How many electrical parts fit the 2021 Honda Pilot?
Our catalog currently lists 35 electrical parts for the 2021 Honda Pilot across 7 subcategories and 22 brands, covering the 3.5L V6 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 2021 Honda Pilot?
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 2021 Honda Pilot 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 Honda Pilot?
Every part on this page is matched to the 3.5L 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 2021 Honda Pilot
Electrical Parts for Other Honda Pilot 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.