This page lists 20 electrical parts for the 2003 Honda Accord, across 2 part types, covering both the 2.4L L4 and the 3.0L V6. Every part shows its brand, manufacturer part number and fitment notes.
On the 2003 Honda Accord, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. All 20 listed parts are Alternator / Generator (15 parts) and Alternator / Generator End Bearing (5 parts).
The 2003 Honda Accord was sold with both the 2.4L L4 and the 3.0L V6. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2003 Honda Accord electrical parts are REMY (2 parts), TERREPOWER (2 parts) and ACDELCO (2 parts), plus 11 more brands. Quality grades include Remanufactured, New and Standard Replacement.
4 parts on this 2003 Honda Accord page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including REMY 94125 (Alternator / Generator) and WJB / INMOTION PARTS RB63032RS (Alternator / Generator End Bearing). Click any part number to see every vehicle that part fits.
Alternator / Generator
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REMY Popular Fits: 2.4L L4 | 94125 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 105 Amps | View on Amazon |
| TERREPOWER Popular Fits: 2.4L L4 | N13980 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 105 Amps | View on Amazon |
| TYC Popular Fits: 2.4L L4 | 213980 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 100 Amps | View on Amazon |
| ACDELCO Fits: 2.4L L4 | 3351285 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| BOSCH Fits: 2.4L L4 | AL1298N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 100 Amps | View on Amazon |
| FVP Fits: 2.4L L4 | 13980N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | New | View on Amazon |
| PURE ENERGY Fits: 2.4L L4 | 13980N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 110 Amps | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 2.4L L4 | 3341502 | 🇺🇸 US 🇨🇦 CA | GoldRemanufactured | View on Amazon |
| BOSCH Fits: 2.4L L4 | AL1298X | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| DENSO Fits: 2.4L L4 | 2100511 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Reman | View on Amazon |
| FVP Fits: 2.4L L4 | 13980 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY Fits: 2.4L L4 | 13980 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY Fits: 2.4L L4 | 11019 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER Fits: 2.4L L4 | 13980 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| WAI GLOBAL Fits: 2.4L L4 | 13980R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Power Select Reman | 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.
15 Alternator / Generator parts are listed for the 2003 Honda Accord, from REMY, TERREPOWER, ACDELCO and 6 other brands. REMY 94125 carries the "Popular" badge.
In the New grade, REMY, TERREPOWER, TYC and 4 other brands supply 7 parts: brand-new units rather than rebuilt ones. A representative part number is REMY 94125.
In the Remanufactured grade, ACDELCO, BOSCH, DENSO and 5 other brands supply 8 parts: factory-rebuilt units with new wear components. A representative part number is ACDELCO 3341502.
Alternator / Generator End Bearing
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Popular Fits: 2.4L L4 | RB63032RS | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Nippondenso AlternatorDrive End | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Fits: 2.4L L4 | NB303CC | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Nippondenso AlternatorDrive End | View on Amazon |
| NATIONAL Fits: 2.4L L4 | 303CC | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Nippondenso AlternatorDrive End | View on Amazon |
| SCHAEFFLER Fits: 2.4L L4 | 63032RSRC3 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front14 MM Width | View on Amazon |
| SKF Fits: 2.4L L4 | 63032RSJ | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Drive End | View on Amazon |
This table covers the bearings in the alternator housing. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.
5 Alternator / Generator End Bearing parts for the 2003 Honda Accord come from 5 brands — WJB / INMOTION PARTS, BCA, NATIONAL and 2 other brands. The "Popular" part is WJB / INMOTION PARTS RB63032RS.
The Economy section lists 1 option from WJB / INMOTION PARTS — the catalog's value-priced group. WJB / INMOTION PARTS RB63032RS is listed in this group.
In the Standard Replacement grade, BCA, NATIONAL, SCHAEFFLER and 1 other brand supply 4 parts: built to original-equipment specification. A representative part number is BCA NB303CC.
Part numbers include WJB / INMOTION PARTS RB63032RS, BCA NB303CC and NATIONAL 303CC, among others listed above.
Buying Electrical Parts for a 2003 Honda Accord
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. Every electrical part here is 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: Alternator / Generator and Alternator / Generator End Bearing .
Frequently Asked Questions
How many electrical parts fit the 2003 Honda Accord?
Our catalog currently lists 20 electrical parts for the 2003 Honda Accord across 2 subcategories and 14 brands, covering both the 2.4L L4 and the 3.0L V6. Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2003 Honda Accord engines?
Yes. Every electrical part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. 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 2003 Honda Accord?
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 2003 Honda Accord 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 2003 Honda Accord?
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 2003 Honda Accord
Electrical Parts for Other Honda Accord Years
Switch vehicle or jump to a subcategory
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.