This page lists 10 electrical parts for the 2024 Lexus IS500, across 2 part types, covering the 5.0L V8 engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2024 Lexus IS500, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. All 10 listed parts are Starter Motor (6 parts) and Alternator / Generator (4 parts).
The 2024 Lexus IS500 came with a single engine, the 5.0L V8, and every part is verified against it.
7 brands supply electrical parts for the 2024 Lexus IS500, led by PURE ENERGY (2 parts), REMY (2 parts) and TERREPOWER (2 parts), plus 4 more brands. Quality grades include Remanufactured and New.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2024 Lexus IS500. 2 parts have it, including ULTRA-POWER 2800452 (Starter Motor) and WAI GLOBAL 19314N (Starter Motor). Each part number opens a page with every vehicle that part fits.
Alternator / Generator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | 10313 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| PURE ENERGY | 10313 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| REMY | 11238 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER | 42148 | 🇺🇸 US 🇨🇦 CA | 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.
4 Alternator / Generator parts for the 2024 Lexus IS500 come from 4 brands — FVP, PURE ENERGY, REMY and 1 other brand.
Part numbers include FVP 10313 and REMY 11238, among others listed above.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ULTRA-POWER Popular | 2800452 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| WAI GLOBAL Popular | 19314N | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DENSO | 2800452 | 🇺🇸 US 🇨🇦 CA | Reman | View on Amazon |
| PURE ENERGY | 19567 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| REMY | 16234 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER | 52011 | 🇺🇸 US 🇨🇦 CA | 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.
6 Starter Motor parts for the 2024 Lexus IS500 come from 6 brands — ULTRA-POWER, WAI GLOBAL, DENSO and 3 other brands. The "Popular" part is ULTRA-POWER 2800452.
The New section lists 2 options from ULTRA-POWER and WAI GLOBAL — brand-new units rather than rebuilt ones. ULTRA-POWER 2800452 is listed in this group.
The Remanufactured section lists 4 options from DENSO, PURE ENERGY, REMY and 1 other brand — factory-rebuilt units with new wear components. DENSO 2800452 is listed in this group.
Listed part numbers: ULTRA-POWER 2800452 and WAI GLOBAL 19314N, plus the other parts above.
Buying Electrical Parts for a 2024 Lexus IS500
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 5.0L V8 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: Starter Motor and Alternator / Generator .
Frequently Asked Questions
How many electrical parts fit the 2024 Lexus IS500?
Our catalog currently lists 10 electrical parts for the 2024 Lexus IS500 across 2 subcategories and 7 brands, covering the 5.0L V8 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 2024 Lexus IS500?
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 2024 Lexus IS500 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 2024 Lexus IS500?
Every part on this page is matched to the 5.0L V8 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 2024 Lexus IS500
Electrical Parts for Other Lexus IS500 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.