52 Electrical parts are listed for the 2015 Acura RLX, in 8 part types, covering both the 3.5L V6 and the 3.5L V6 ELECTRIC/GAS. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2015 Acura RLX, 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 Horn (13 parts), Speed Sensor (11 parts) and Alternator / Generator (9 parts). The other 5 part types cover the remaining 19 parts.
The 2015 Acura RLX was sold with both the 3.5L V6 and the 3.5L V6 ELECTRIC/GAS. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
28 brands supply electrical parts for the 2015 Acura RLX, led by FIAMM (13 parts), TERREPOWER (3 parts) and DEKA (3 parts), plus 25 more brands. Quality grades include Standard Replacement, Remanufactured and Accessory Replacement.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2015 Acura RLX. 12 parts have it, including WAI GLOBAL 11774N (Alternator / Generator) and DAYCO 892007 (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 Fits: 3.5L V6 | 11774N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Denso IR/IIF135 Amps | View on Amazon |
| REMY Fits: 3.5L V6 | 94311 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 155 Amps | View on Amazon |
| TERREPOWER Fits: 3.5L V6 | N11773 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 155 Amps | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DENSO Popular Fits: 3.5L V6 | 2101243 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Reman | View on Amazon |
| ACDELCO Fits: 3.5L V6 | 3343082 | 🇺🇸 US 🇨🇦 CA | GoldRemanufactured | View on Amazon |
| FVP Fits: 3.5L V6 | 10227 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY Fits: 3.5L V6 | 10227 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY Fits: 3.5L V6 | 11185 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER Fits: 3.5L V6 | 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.
9 Alternator / Generator parts for the 2015 Acura RLX come from 7 brands — REMY, TERREPOWER, WAI GLOBAL and 4 other brands. The "Popular" part is WAI GLOBAL 11774N.
The New section lists 3 options from WAI GLOBAL, REMY and TERREPOWER — brand-new units rather than rebuilt ones. WAI GLOBAL 11774N is listed in this group.
The Remanufactured section lists 6 options from DENSO, ACDELCO, FVP and 3 other brands — factory-rebuilt units with new wear components. DENSO 2101243 is listed in this group.
This group includes WAI GLOBAL 11774N, REMY 94311 and TERREPOWER N11773 and the remaining parts above.
Alternator / Generator Pulley
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYCO Popular Fits: 3.5L V6 | 892007 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| ACKOJA Fits: 3.5L V6 | A26230001 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Clutch Pulley | View on Amazon |
| BANDO Fits: 3.5L V6 | 480053 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Original Equipment Manufacturer | View on Amazon |
| CONTINENTAL Fits: 3.5L V6 | 49936 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| LITENS Fits: 3.5L V6 | 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.
5 Alternator / Generator Pulley parts are listed for the 2015 Acura RLX, from DAYCO, ACKOJA, BANDO and 2 other brands. DAYCO 892007 carries the "Popular" badge.
Listed part numbers: DAYCO 892007, ACKOJA A26230001 and BANDO 480053, plus the other parts above.
Battery
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA Popular Fits: 3.5L V6 | 9A3585 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| DEKA Popular Fits: 3.5L V6 | 9A34R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| DEKA Fits: 3.5L V6 | 9A24F | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| EXIDE Fits: 3.5L V6 | MX24F | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 24F | View on Amazon |
| FULLRIVER Fits: 3.5L V6 | FT84024F | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group 24F(Length X Width X Height) 10.87 In x 6.77 In x 8.95 In | View on Amazon |
| FVP Fits: 3.5L V6 | P24RAGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 24 | 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 are listed for the 2015 Acura RLX, from DEKA, EXIDE, FULLRIVER and 1 other brand. DEKA 9A3585 carries the "Popular" badge.
Listed part numbers: DEKA 9A3585, DEKA 9A34R and DEKA 9A24F, plus the other parts above.
Battery Current Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 3.5L V6 | BSC106 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Intelligent Battery Sensor | View on Amazon |
| WELLS Fits: 3.5L V6 | 5S16658 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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 for the 2015 Acura RLX come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.
Part numbers include STANDARD MOTOR PRODUCTS BSC106 and WELLS 5S16658.
Horn
Accessory Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FIAMM Popular Fits: 3.5L V6 | 7210223 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Accessory HornFreeway Blaster | View on Amazon |
| FIAMM Fits: 3.5L V6 | 7211223 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Accessory Horn (Louder)FWY Blaster | View on Amazon |
| FIAMM Fits: 3.5L V6 | 72112 | 🇺🇸 US 🇨🇦 CA | Freeway BlasterAccessory Horn | View on Amazon |
| FIAMM Fits: 3.5L V6 | 7410024 | 🇺🇸 US 🇨🇦 CA | Accessory HornEl Grande | View on Amazon |
| FIAMM Fits: 3.5L V6 | 6602023 | 🇺🇸 US 🇨🇦 CA | Accessory HornRed | View on Amazon |
| FIAMM Fits: 3.5L V6 | 6602523 | 🇺🇸 US 🇨🇦 CA | Accessory HornChrome | View on Amazon |
| FIAMM Fits: 3.5L V6 | 6604523 | 🇺🇸 US 🇨🇦 CA | Ultimate Blast HornAccessory Horn | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FIAMM Popular Fits: 3.5L V6 | 7201223 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OE Replacement Tone2 Terminal Connection (Cut off and reuse OE Connector) | View on Amazon |
| FIAMM Popular Fits: 3.5L V6 | 7200223 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OE Replacement Tone2 Terminal Blade Connection (Cut off and reuse OE Connector) | View on Amazon |
| FIAMM Fits: 3.5L V6 | 7421122 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors & L Bracket | View on Amazon |
| FIAMM Fits: 3.5L V6 | 7421322 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors | View on Amazon |
| FIAMM Fits: 3.5L V6 | 7250622 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OE Replacement Horn KitIncludes OE Connectors & L Bracket | View on Amazon |
| FIAMM Fits: 3.5L V6 | 7250522 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OE Replacement Horn KitIncludes OE Connectors & L Bracket | View on Amazon |
This table covers the horns mounted in the front of the vehicle.
FIAMM supplies the 13 Horn parts for the 2015 Acura RLX. FIAMM 7210223 carries the "Popular" badge.
In the Accessory Replacement grade, FIAMM supplies 7 parts: grouped under the catalog's "Accessory Replacement" designation — the notes column spells out what sets them apart. A representative part number is FIAMM 7210223.
The Standard Replacement section lists 6 options from FIAMM — built to original-equipment specification. FIAMM 7201223 is listed in this group.
Parking Aid Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TECHPRO Fits: 3.5L V6 | AC1078100 | 🇺🇸 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.
This group shows a single part: TECHPRO AC1078100.
Speed Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Fits: 3.5L V6 | 0900001 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base ModelTransmission code: M9RA | View on Amazon |
| GPD Fits: 3.5L V6 | 1815595 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Auto Dual Clutch TransTransmission Speed | View on Amazon |
| HOLSTEIN Fits: 3.5L V6 | 2VSS0075 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Short SensorTransmission Speed | View on Amazon |
| VEMO Fits: 3.5L V6 | V26720220 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Transmission Speed | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NTK Popular Fits: 3.5L V6 | AU0195 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Transmission SpeedInput | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 3.5L V6 | SC612 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Metal SensorVehicle Speed | View on Amazon |
| WALKER PRODUCTS Popular Fits: 3.5L V6 | 2401149 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Automatic Trans Revolution Sensor | View on Amazon |
| DELPHI Fits: 3.5L V6 | SS12411 | 🇺🇸 US 🇨🇦 CA | Auto Dual Clutch Trans Revolution SensorLocated on Transmission | View on Amazon |
| DELPHI Fits: 3.5L V6 | SS12397 | 🇺🇸 US 🇨🇦 CA | Automatic Trans Revolution Sensor | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.5L V6 | SC770 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Plastic SensorVehicle Speed | View on Amazon |
| WELLS Fits: 3.5L V6 | 5S9558 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
11 Speed Sensor parts are listed for the 2015 Acura RLX, from STANDARD MOTOR PRODUCTS, DELPHI, BECK/ARNLEY and 6 other brands. NTK AU0195 carries the "Popular" badge.
In the Economy grade, BECK/ARNLEY, GPD, HOLSTEIN and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is BECK/ARNLEY 0900001.
The Standard Replacement section: 7 options from STANDARD MOTOR PRODUCTS, DELPHI, NTK and 2 other brands. NTK AU0195 is listed in this group.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular Fits: 3.5L V6 | SK19252N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| ULTRA-POWER Fits: 3.5L V6 | 19252N | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WAI GLOBAL Fits: 3.5L V6 | 19252N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY Fits: 3.5L V6 | 19517 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RemanufacturedDoes Not Include Gasket | View on Amazon |
| TERREPOWER Fits: 3.5L V6 | 19252 | 🇺🇸 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.
5 Starter Motor parts for the 2015 Acura RLX come from 5 brands — SKP, ULTRA-POWER, WAI GLOBAL and 2 other brands. The "Popular" part is SKP SK19252N.
The New section: 3 options from SKP, ULTRA-POWER and WAI GLOBAL. SKP SK19252N is listed in this group.
The Remanufactured section: 2 options from PURE ENERGY and TERREPOWER. PURE ENERGY 19517 is listed in this group.
Part numbers include SKP SK19252N and ULTRA-POWER 19252N, among others listed above.
Buying Electrical Parts for a 2015 Acura RLX
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: Horn and Speed Sensor .
Frequently Asked Questions
How many electrical parts fit the 2015 Acura RLX?
Our catalog currently lists 52 electrical parts for the 2015 Acura RLX across 8 subcategories and 28 brands, covering both the 3.5L V6 and the 3.5L V6 ELECTRIC/GAS. Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2015 Acura RLX 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 2015 Acura RLX?
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 2015 Acura RLX 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 2015 Acura RLX?
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 2015 Acura RLX
Electrical Parts for Other Acura RLX Years
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