The 2021 Lexus ES250 has 10 electrical connector parts with verified fitment on this page — 10 part types and 3 brands, covering the 2.5L L4 engine. Each part includes a manufacturer part number and application notes.
The connector system on the 2021 Lexus ES250 supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules. The largest groups are Blower Motor Connector (1 part), HVAC Control Switch / Panel Connector (1 part) and Ignition Coil Connector (1 part). The other 7 part types cover the remaining 7 parts.
Every part on this page is matched to the 2.5L L4 — the only engine offered in the 2021 Lexus ES250.
The most listed brands for 2021 Lexus ES250 electrical connector parts are STANDARD MOTOR PRODUCTS (8 parts), GPD (1 part) and TEKONSHA (1 part).
Each part number listed for the 2021 Lexus ES250 opens a page with every vehicle that part fits.
Blower Motor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S3208 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Blower Motor. 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 2021 Lexus ES250 — STANDARD MOTOR PRODUCTS S3208.
HVAC Control Switch / Panel Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 1713413 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the HVAC Control Switch / Panel. 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 2021 Lexus ES250 — GPD 1713413.
Ignition Coil Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2438 | 🇺🇸 US 🇨🇦 CA | 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.
One part is listed for the 2021 Lexus ES250 — STANDARD MOTOR PRODUCTS S2438.
Mass Air Flow (MAF) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S3313 | 🇺🇸 US 🇨🇦 CA | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S3313.
Oil Level Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2545 | 🇺🇸 US 🇨🇦 CA | Terminal Gender: Female | View on Amazon |
This table covers the harness connectors at the Oil Level 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 2021 Lexus ES250 — STANDARD MOTOR PRODUCTS S2545.
Starter Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2549 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Starter Solenoid. 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 2021 Lexus ES250 — STANDARD MOTOR PRODUCTS S2549.
Trailer Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TEKONSHA | 118878 | 🇺🇸 US 🇨🇦 CA | T-One Connector Assembly | View on Amazon |
This table covers the trailer-lighting connectors at the hitch. 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: TEKONSHA 118878.
Vapor Canister Purge Valve / Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S1530 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalHarness Length | View on Amazon |
This table covers the harness connectors at the Vapor Canister Purge Valve / Solenoid. 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 2021 Lexus ES250 — STANDARD MOTOR PRODUCTS S1530.
Vapor Leak Detection Pump Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2818 | 🇺🇸 US 🇨🇦 CA | Gauge: 20 Gauge | View on Amazon |
This table covers the harness connectors at the Vapor Leak Detection Pump. 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 2021 Lexus ES250 — STANDARD MOTOR PRODUCTS S2818.
Washer Fluid Level Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S3320 | 🇺🇸 US 🇨🇦 CA | Front Unit | View on Amazon |
This table covers the harness connectors at the Washer Fluid Level 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 2021 Lexus ES250 — STANDARD MOTOR PRODUCTS S3320.
Buying Electrical Connector Parts for a 2021 Lexus ES250
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 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: Blower Motor Connector and HVAC Control Switch / Panel Connector .
Frequently Asked Questions
How many electrical connector parts fit the 2021 Lexus ES250?
Our catalog currently lists 10 electrical connector parts for the 2021 Lexus ES250 across 10 subcategories and 3 brands, covering the 2.5L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical connector problems on a 2021 Lexus ES250?
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 2021 Lexus ES250 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 2021 Lexus ES250?
Every part on this page is matched to the 2.5L L4 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 2021 Lexus ES250
Electrical Connector Parts for Other Lexus ES250 Years
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