The 2004 Acura TSX has 110 electrical parts with verified fitment on this page — 12 part types and 33 brands, covering the 2.4L L4 engine. Each part includes a manufacturer part number and application notes.
On the 2004 Acura TSX, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. 61 parts of the 110 listed are Fuse (24 parts), Speed Sensor (22 parts) and Alternator / Generator (15 parts). The other 9 part types cover the remaining 49 parts.
Every part on this page is matched to the 2.4L L4 — the only engine offered in the 2004 Acura TSX.
The most listed brands for 2004 Acura TSX electrical parts are BUSSMANN (13 parts), FIAMM (13 parts) and LITTELFUSE (11 parts), plus 30 more brands. Quality grades include Standard Replacement, Remanufactured and Economy.
23 parts on this 2004 Acura TSX 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 | 94125 | 🇺🇸 US 🇨🇦 CA | 105 Amps | View on Amazon |
| TERREPOWER Popular | N13980 | 🇺🇸 US 🇨🇦 CA | 105 Amps | View on Amazon |
| TYC Popular | 213980 | 🇺🇸 US 🇨🇦 CA | 100 Amps | View on Amazon |
| ACDELCO | 3351285 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| BOSCH | AL1298N | 🇺🇸 US 🇨🇦 CA | 100 Amps | View on Amazon |
| FVP | 13980N | 🇺🇸 US 🇨🇦 CA | New | View on Amazon |
| PURE ENERGY | 13980N | 🇺🇸 US 🇨🇦 CA | 110 Amps | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 3341502 | 🇺🇸 US 🇨🇦 CA | GoldRemanufactured | View on Amazon |
| BOSCH | AL1298X | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| DENSO | 2100511 | 🇺🇸 US 🇨🇦 CA | Reman | View on Amazon |
| FVP | 13980 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| PURE ENERGY | 13980 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| REMY | 11019 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER | 13980 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| WAI GLOBAL | 13980R | 🇺🇸 US 🇨🇦 CA | 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 2004 Acura TSX, 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 | RB63032RS | 🇺🇸 US 🇨🇦 CA | with Mitsubishi AlternatorDrive End | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA | NB303CC | 🇺🇸 US 🇨🇦 CA | with Mitsubishi AlternatorDrive End | View on Amazon |
| NATIONAL | 303CC | 🇺🇸 US 🇨🇦 CA | with Mitsubishi AlternatorDrive End | View on Amazon |
| SCHAEFFLER | 63032RSRC3 | 🇺🇸 US 🇨🇦 CA | Front14 MM Width | View on Amazon |
| SKF | 63032RSJ | 🇺🇸 US 🇨🇦 CA | 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 2004 Acura TSX 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.
Battery
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 51RAGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 51R | View on Amazon |
| BOSCH | S6594B | 🇺🇸 US 🇨🇦 CA | AGM | View on Amazon |
| DEKA | 9A51RT | 🇺🇸 US 🇨🇦 CA | AGMIntimidator | View on Amazon |
| EXIDE | MX51R | 🇺🇸 US 🇨🇦 CA | Marathon MaxBCI Group 51R | View on Amazon |
| FVP | P51RAGM | 🇺🇸 US 🇨🇦 CA | Platinum AGM | View on Amazon |
| P1MAX | PMAGM51R | 🇺🇸 US 🇨🇦 CA | BCI Group 51R AGM500 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.
6 Battery parts for the 2004 Acura TSX come from 6 brands — ACDELCO, BOSCH, DEKA and 3 other brands. The "Popular" part is ACDELCO 51RAGM.
Listed part numbers: ACDELCO 51RAGM, BOSCH S6594B and DEKA 9A51RT, plus the other parts above.
Battery Terminal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA | 00350 | 🇺🇸 US 🇨🇦 CA | Top Post Terminal | View on Amazon |
| DEKA | 01056 | 🇺🇸 US 🇨🇦 CA | Top Post Terminal Lead Free | View on Amazon |
This table covers the terminals and clamps that connect cables to the battery posts.
2 Battery Terminal parts for the 2004 Acura TSX come from DEKA.
Listed part numbers: DEKA 00350 and DEKA 01056.
Flasher
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TRIDON / NOVITA Popular | LM526 | 🇺🇸 US 🇨🇦 CA | Lighting Control Module | View on Amazon |
| WELLS Popular | 1R1629 | 🇺🇸 US 🇨🇦 CA | HAZARD WARNING | View on Amazon |
| BWD/NIEHOFF | R6232 | 🇺🇸 US 🇨🇦 CA | Fits Flasher EmergencyHAZARD WARNING | View on Amazon |
| FAMOUS BRAND | RAA1755 | 🇺🇸 US 🇨🇦 CA | Flasher EmergencyHAZARD WARNING | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY727 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY727T | 🇺🇸 US 🇨🇦 CA | T-SeriesBlack | View on Amazon |
This table covers the flasher units that blink the turn signals and hazards.
6 Flasher parts for the 2004 Acura TSX come from 5 brands — STANDARD MOTOR PRODUCTS, TRIDON / NOVITA, WELLS and 2 other brands. The "Popular" part is TRIDON / NOVITA LM526.
Listed part numbers: TRIDON / NOVITA LM526, WELLS 1R1629 and BWD/NIEHOFF R6232, plus the other parts above.
Fuse
10 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN Popular | ATM10 | 🇺🇸 US 🇨🇦 CA | ATM Series10 Amp | View on Amazon |
| BUSSMANN | ATM10ID | 🇺🇸 US 🇨🇦 CA | 10 AmpeasyID | View on Amazon |
| LITTELFUSE | LMIN10 | 🇺🇸 US 🇨🇦 CA | Mini FuseLow Profile | View on Amazon |
| LITTELFUSE | 111001 | 🇺🇸 US 🇨🇦 CA | Smart GlowMini | View on Amazon |
| LITTELFUSE | MIN10 | 🇺🇸 US 🇨🇦 CA | Mini Fuse10A | View on Amazon |
15 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN Popular | ATM15 | 🇺🇸 US 🇨🇦 CA | 15 AmpsATM Series | View on Amazon |
| BUSSMANN | ATM15ID | 🇺🇸 US 🇨🇦 CA | easyID15 Amps | View on Amazon |
| LITTELFUSE | MIN15 | 🇺🇸 US 🇨🇦 CA | Mini Fuse15A | View on Amazon |
| LITTELFUSE | 111002 | 🇺🇸 US 🇨🇦 CA | Smart GlowMini | View on Amazon |
20 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN Popular | ATM20 | 🇺🇸 US 🇨🇦 CA | ATM Series20 Amps | View on Amazon |
| LITTELFUSE Popular | MIN20 | 🇺🇸 US 🇨🇦 CA | Mini Fuse20A | View on Amazon |
| BUSSMANN | ATM20ID | 🇺🇸 US 🇨🇦 CA | 20 AmpseasyID | View on Amazon |
| LITTELFUSE | 111003 | 🇺🇸 US 🇨🇦 CA | Smart GlowMini | View on Amazon |
30 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LITTELFUSE Popular | JCAS30 | 🇺🇸 US 🇨🇦 CA | JCASE High Amp Fuse30A | View on Amazon |
| BUSSMANN | ATM30 | 🇺🇸 US 🇨🇦 CA | 30 AmpsATM Series | View on Amazon |
| BUSSMANN | ATM30ID | 🇺🇸 US 🇨🇦 CA | ATM Series30 Amps | View on Amazon |
| BUSSMANN | FMX30 | 🇺🇸 US 🇨🇦 CA | FMX Series30 Amps | View on Amazon |
| BUSSMANN | FMX30ID | 🇺🇸 US 🇨🇦 CA | 30 AmpseasyID | View on Amazon |
| LITTELFUSE | MIN30 | 🇺🇸 US 🇨🇦 CA | Mini Fuse30A | View on Amazon |
40 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN | FMX40 | 🇺🇸 US 🇨🇦 CA | FMX Series40 Amp | View on Amazon |
| BUSSMANN | FMX40ID | 🇺🇸 US 🇨🇦 CA | 40 AmpeasyID | View on Amazon |
| LITTELFUSE | JCAS40 | 🇺🇸 US 🇨🇦 CA | JCASE High Amp Fuse40A | View on Amazon |
7.5 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN | ATM712 | 🇺🇸 US 🇨🇦 CA | ATM Series7.5 Amps | View on Amazon |
| LITTELFUSE | MIN75 | 🇺🇸 US 🇨🇦 CA | Mini Fuse7.5A | View on Amazon |
This table covers the replacement fuses for this vehicle's fuse boxes. Typical signs include one circuit dead while its neighbor still works, or a fuse that blows again as soon as you replace it. Match amperage and fuse type. A repeat blow means a short — find it before the next fuse.
24 Fuse parts for the 2004 Acura TSX come from 2 brands — BUSSMANN and LITTELFUSE. The "Popular" part is BUSSMANN ATM10.
In the 10 Amp grade, LITTELFUSE and BUSSMANN supply 5 parts: grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM10.
The 15 Amp section lists 4 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM15 is listed in this group.
The 20 Amp section lists 4 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM20 is listed in this group.
In the 30 Amp grade, BUSSMANN and LITTELFUSE supply 6 parts: grouped under the catalog's "30 Amp" designation — the notes column spells out what sets them apart. A representative part number is LITTELFUSE JCAS30.
The 40 Amp section lists 3 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "40 Amp" designation — the notes column spells out what sets them apart. BUSSMANN FMX40 is listed in this group.
The 7.5 Amp section lists 2 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "7.5 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM712 is listed in this group.
Fuse Block
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 926003 | 🇺🇸 US 🇨🇦 CA | Battery Fuse | View on Amazon |
This table covers the fuse blocks that hold this vehicle's fuses.
One part is listed for the 2004 Acura TSX — DORMAN 926003.
HID Headlamp Igniter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 601167 | 🇺🇸 US 🇨🇦 CA | Fits LeftMitsubishi G2 Ballast Ignitor | View on Amazon |
This table covers the HID Headlamp igniters.
This group shows a single part: DORMAN 601167.
HID Lighting Ballast
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 601229 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 6R1106 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the HID Lighting ballasts.
2 HID Lighting Ballast parts are listed for the 2004 Acura TSX, from DORMAN and WELLS.
This group includes DORMAN 601229 and WELLS 6R1106.
Horn
Accessory Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FIAMM Popular | 7210223 | 🇺🇸 US 🇨🇦 CA | Accessory HornFreeway Blaster | View on Amazon |
| FIAMM | 7211223 | 🇺🇸 US 🇨🇦 CA | Accessory Horn (Louder)FWY Blaster | View on Amazon |
| FIAMM | 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 | 7201223 | 🇺🇸 US 🇨🇦 CA | OE Replacement Tone2 Terminal Connection (Cut off and reuse OE Connector) | View on Amazon |
| FIAMM Popular | 7200223 | 🇺🇸 US 🇨🇦 CA | OE Replacement Tone2 Terminal Blade Connection (Cut off and reuse OE Connector) | View on Amazon |
| FIAMM | 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 |
| FIAMM | 7250622 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors & L Bracket | View on Amazon |
| FIAMM | 7250522 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors & L Bracket | View on Amazon |
This table covers the horns mounted in the front of the vehicle.
13 Horn parts for the 2004 Acura TSX come from FIAMM. The "Popular" part is FIAMM 7210223.
The Accessory Replacement section lists 7 options from FIAMM — grouped under the catalog's "Accessory Replacement" designation — the notes column spells out what sets them apart. FIAMM 7210223 is listed in this group.
Standard Replacement: 6 parts, from FIAMM. A representative part number is FIAMM 7201223.
Speed Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN Popular | 2VSS0004 | 🇺🇸 US 🇨🇦 CA | Automatic trans.Transmission Speed | View on Amazon |
| HOLSTEIN Popular | 2VSS0067 | 🇺🇸 US 🇨🇦 CA | Manual trans.Transmission Speed | View on Amazon |
| BECK/ARNLEY | 0905099 | 🇺🇸 US 🇨🇦 CA | Transmission SpeedOutput | View on Amazon |
| BECK/ARNLEY | 0905098 | 🇺🇸 US 🇨🇦 CA | Transmission SpeedInput | View on Amazon |
| BECK/ARNLEY | 0905105 | 🇺🇸 US 🇨🇦 CA | Transmission SpeedManual Trans. | View on Amazon |
| FAMOUS BRAND | SNA1103 | 🇺🇸 US 🇨🇦 CA | Fits Outputwith Automatic Trans | View on Amazon |
| GPD | 1815567 | 🇺🇸 US 🇨🇦 CA | Transmission SpeedOutput | View on Amazon |
| GPD | 1815531 | 🇺🇸 US 🇨🇦 CA | Vehicle Speed | View on Amazon |
| HOLSTEIN | 2VSS0088 | 🇺🇸 US 🇨🇦 CA | Automatic trans.Transmission Speed | View on Amazon |
| STANDARD MOTOR PRODUCTS | SC234T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| VEMO | V26770037 | 🇺🇸 US 🇨🇦 CA | Manual trans.Vehicle Speed | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI Popular | SS11417 | 🇺🇸 US 🇨🇦 CA | Automatic trans.Transmission Speed | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | SC251 | 🇺🇸 US 🇨🇦 CA | Manual trans.Vehicle Speed | View on Amazon |
| WALKER PRODUCTS Popular | 2401076 | 🇺🇸 US 🇨🇦 CA | Vehicle Speed | View on Amazon |
| DELPHI | SS12409 | 🇺🇸 US 🇨🇦 CA | Transmission SpeedInput | View on Amazon |
| DELPHI | SS12518 | 🇺🇸 US | Manual Trans.Transmission Speed | View on Amazon |
| NTK | AU0165 | 🇺🇸 US 🇨🇦 CA | Transmission SpeedOutput | View on Amazon |
| NTK | AU0190 | 🇺🇸 US 🇨🇦 CA | Transmission SpeedInput | View on Amazon |
| STANDARD MOTOR PRODUCTS | SC234 | 🇺🇸 US 🇨🇦 CA | Automatic Trans.Vehicle Speed | View on Amazon |
| WALKER PRODUCTS | 2401135 | 🇺🇸 US 🇨🇦 CA | Automatic trans.Transmission Speed | View on Amazon |
| WELLS | 5S6328 | 🇺🇸 US 🇨🇦 CA | Transmission SpeedOutput | View on Amazon |
| WELLS | 5S9549 | 🇺🇸 US 🇨🇦 CA | 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.
22 Speed Sensor parts for the 2004 Acura TSX come from 10 brands — HOLSTEIN, BECK/ARNLEY, STANDARD MOTOR PRODUCTS and 7 other brands. The "Popular" part is HOLSTEIN 2VSS0004.
The Economy section: 11 options from HOLSTEIN, BECK/ARNLEY, GPD and 3 other brands. HOLSTEIN 2VSS0004 is listed in this group.
Standard Replacement: 11 parts, from DELPHI, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 2 other brands. A representative part number is DELPHI SS11417.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY Popular | 17870N | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TYC Popular | 117870 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| REMY | 99093 | 🇺🇸 US 🇨🇦 CA | Original Design | View on Amazon |
| TERREPOWER | N17870 | 🇺🇸 US 🇨🇦 CA | Original Design | View on Amazon |
| WAI GLOBAL | 17870N | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY Popular | 17870 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| ACDELCO | 3361783 | 🇺🇸 US 🇨🇦 CA | GoldRemanufactured | View on Amazon |
| BOSCH | SR1325X | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| DENSO | 2806006 | 🇺🇸 US 🇨🇦 CA | Reman | View on Amazon |
| FVP | 17870 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| REMY | 17388 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER | 17870 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| WAI GLOBAL | 17870R | 🇺🇸 US 🇨🇦 CA | Power Select Reman | 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.
13 Starter Motor parts are listed for the 2004 Acura TSX, from PURE ENERGY, REMY, TERREPOWER and 6 other brands. PURE ENERGY 17870N carries the "Popular" badge.
New: 5 parts, from PURE ENERGY, TYC, REMY and 2 other brands. A representative part number is PURE ENERGY 17870N.
Remanufactured: 8 parts, from PURE ENERGY, ACDELCO, BOSCH and 5 other brands. A representative part number is PURE ENERGY 17870.
Buying Electrical Parts for a 2004 Acura TSX
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 2.4L L4 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: Fuse and Speed Sensor .
Frequently Asked Questions
How many electrical parts fit the 2004 Acura TSX?
Our catalog currently lists 110 electrical parts for the 2004 Acura TSX across 12 subcategories and 33 brands, covering the 2.4L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 2004 Acura TSX?
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 2004 Acura TSX 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 2004 Acura TSX?
Every part on this page is matched to the 2.4L L4 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 2004 Acura TSX
Electrical Parts for Other Acura TSX Years
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