24 Electrical parts are listed for the 2023 Lexus RX350, in 7 part types, covering the 2.4L L4 Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2023 Lexus RX350, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. 17 parts of the 24 listed are Battery (8 parts), Starter Motor (5 parts) and Fuse (4 parts). The other 4 part types cover the remaining 7 parts.
The 2023 Lexus RX350 came with a single engine, the 2.4L L4 Turbocharged, and every part is verified against it.
14 brands supply electrical parts for the 2023 Lexus RX350, led by FVP (4 parts), BUSSMANN (4 parts) and PURE ENERGY (3 parts), plus 11 more brands. Quality grades include AGM, Remanufactured and New.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2023 Lexus RX350. 2 parts have it, including DEKA 9A48 (Battery) and LUCAS LBAGM004A (Battery). Each part number opens a page with every vehicle that part fits.
Alternator / Generator
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL | 22335N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 180 Amps | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | 11101 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY | 11101 | 🇺🇸 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.
3 Alternator / Generator parts for the 2023 Lexus RX350 come from 3 brands — WAI GLOBAL, FVP and PURE ENERGY.
The New section lists 1 option from WAI GLOBAL — brand-new units rather than rebuilt ones. WAI GLOBAL 22335N is listed in this group.
The Remanufactured section lists 2 options from FVP and PURE ENERGY — factory-rebuilt units with new wear components. FVP 11101 is listed in this group.
This group includes WAI GLOBAL 22335N and FVP 11101 and the remaining parts above.
Alternator / Generator Pulley
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL | 48719 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| LITENS | 920152A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
2 Alternator / Generator Pulley parts are listed for the 2023 Lexus RX350, from CONTINENTAL and LITENS.
This group includes CONTINENTAL 48719 and LITENS 920152A.
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 |
| 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.
8 Battery parts are listed for the 2023 Lexus RX350, from DEKA, LUCAS, ACDELCO and 4 other brands. DEKA 9A48 carries the "Popular" badge.
The AGM (Extended Life) section lists 7 options from DEKA, LUCAS, ACDELCO and 3 other brands — grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. DEKA 9A48 is listed in this group.
The Performance AGM (Extended Life + Increased Power) section lists 1 option from FULLRIVER — grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. FULLRIVER FT68048 is listed in this group.
Part numbers include DEKA 9A48, LUCAS LBAGM004A and ACDELCO 48AGM, among others listed above.
Battery Air Filter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WIX | WP11030 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Battery Air filters. Typical signs include restricted flow — long cranking, weak airflow, or dirty fluid after a short interval. Seat the new filter so it cannot bypass, and use the grade the notes call for.
One part is listed for the 2023 Lexus RX350 — WIX WP11030.
Fuse
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN | ATM3LP | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 3 AmpATM Series | View on Amazon |
| BUSSMANN | MPF2534X | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 50, 30, 40 Amp534 Amps | View on Amazon |
| BUSSMANN | MPF2555X | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 50 AmpsColor Maroon | View on Amazon |
| BUSSMANN | MPF2444X | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 40 / 40 / 40 Amp or 444 AmpsMPF multi-pole automotive fuses | 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.
BUSSMANN supplies the 4 Fuse parts for the 2023 Lexus RX350.
This group includes BUSSMANN ATM3LP, BUSSMANN MPF2534X and BUSSMANN MPF2555X and the remaining parts above.
Speed Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | SC758 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Input SensorUSA Builtor For vehicle built in USA | 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.
One part is listed for the 2023 Lexus RX350 — STANDARD MOTOR PRODUCTS SC758.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL | 31613N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | For Vehicle Built In Japan | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY | 12938 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY | 12960 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | 12938 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| FVP | 12960 | 🇺🇸 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 2023 Lexus RX350 come from 3 brands — PURE ENERGY, FVP and WAI GLOBAL.
The New section: 1 option from WAI GLOBAL. WAI GLOBAL 31613N is listed in this group.
The Remanufactured section: 2 options from PURE ENERGY. PURE ENERGY 12938 is listed in this group.
2 further parts sit outside the graded sections, with the same engine-level match.
This group includes WAI GLOBAL 31613N, PURE ENERGY 12938 and PURE ENERGY 12960 and the remaining parts above.
Buying Electrical Parts for a 2023 Lexus RX350
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 Turbocharged 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: Battery and Starter Motor .
Frequently Asked Questions
How many electrical parts fit the 2023 Lexus RX350?
Our catalog currently lists 24 electrical parts for the 2023 Lexus RX350 across 7 subcategories and 14 brands, covering the 2.4L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 2023 Lexus RX350?
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 2023 Lexus RX350 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 2023 Lexus RX350?
Every part on this page is matched to the 2.4L L4 Turbocharged 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 2023 Lexus RX350
Electrical Parts for Other Lexus RX350 Years
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