The 2024 Lexus ES300H has 3 electrical connector parts with verified fitment on this page — 3 part types and 1 brand, covering the 2.5L L4 ELECTRIC/GAS engine. Each part includes a manufacturer part number and application notes.
The connector system on the 2024 Lexus ES300H supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules. All 3 listed parts are Ignition Coil Connector (1 part), Mass Air Flow (MAF) Sensor Connector (1 part) and Throttle Control Actuator Connector (1 part).
The 2024 Lexus ES300H came with a single engine, the 2.5L L4 ELECTRIC/GAS, and every part is verified against it.
Every electrical connector part listed for the 2024 Lexus ES300H comes from STANDARD MOTOR PRODUCTS.
Each part number listed for the 2024 Lexus ES300H opens a page with every vehicle that part fits.
Ignition Coil Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2438 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the Ignition Coil. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
This group shows a single part: STANDARD MOTOR PRODUCTS S2438.
Mass Air Flow (MAF) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S3313 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the Mass Air Flow (MAF) Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 2024 Lexus ES300H — STANDARD MOTOR PRODUCTS S3313.
Throttle Control Actuator Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2815 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the Throttle Control Actuator. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
This group shows a single part: STANDARD MOTOR PRODUCTS S2815.
Buying Electrical Connector Parts for a 2024 Lexus ES300H
On this vehicle, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules.
- Confirm you have the 2.5L L4 ELECTRIC/GAS 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, use heat-shrink crimp connectors rather than twist-and-tape for any pigtail splice, especially outside the cabin.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Ignition Coil Connector and Mass Air Flow (MAF) Sensor Connector .
Frequently Asked Questions
How many electrical connector parts fit the 2024 Lexus ES300H?
Our catalog currently lists 3 electrical connector parts for the 2024 Lexus ES300H across 3 subcategories and 1 brand, covering the 2.5L L4 ELECTRIC/GAS engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical connector problems on a 2024 Lexus ES300H?
Common symptoms include intermittent faults that move when the harness is wiggled, green corrosion inside a plug, or melted connector housings near heat sources. 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, use heat-shrink crimp connectors rather than twist-and-tape for any pigtail splice, especially outside the cabin.
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 ES300H 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 ES300H?
Every part on this page is matched to the 2.5L L4 ELECTRIC/GAS engine. Then match the connector by terminal count and keyway, not just appearance — many families look identical but will not lock. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2024 Lexus ES300H
Electrical Connector Parts for Other Lexus ES300H 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.