The 2021 Toyota C-HR has 28 electrical connector parts with verified fitment on this page — 20 part types and 9 brands, covering the 2.0L L4 engine. Each part includes a manufacturer part number and application notes.
On the 2021 Toyota C-HR, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules. 9 parts of the 28 listed are Ignition Coil Connector (4 parts), Manifold Pressure (MAP) Sensor Connector (3 parts) and Blower Motor Control Module / Resistor Connector (2 parts). The other 17 part types cover the remaining 19 parts.
Every part on this page is matched to the 2.0L L4 — the only engine offered in the 2021 Toyota C-HR.
The most listed brands for 2021 Toyota C-HR electrical connector parts are STANDARD MOTOR PRODUCTS (18 parts), WALKER PRODUCTS (2 parts) and METRA (2 parts), plus 6 more brands.
Each part number listed for the 2021 Toyota C-HR opens a page with every vehicle that part fits.
ABS Wheel Speed Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2826 | 🇺🇸 US 🇨🇦 CA | Includes ABS Wheel Speed Sensor Wire Harness | View on Amazon |
This table covers the harness connectors at each ABS wheel-speed 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 Toyota C-HR — STANDARD MOTOR PRODUCTS S2826.
Ambient Air Temperature Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2825 | 🇺🇸 US 🇨🇦 CA | Harness Lengthinches: 12.5 | View on Amazon |
This table covers the harness connectors at the Ambient Air Temperature 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 Toyota C-HR — STANDARD MOTOR PRODUCTS S2825.
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 Toyota C-HR — STANDARD MOTOR PRODUCTS S3208.
Blower Motor Control Module / Resistor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2HAR0009 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | S2512 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the connectors at the blower resistor or control module. 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.
2 Blower Motor Control Module / Resistor Connector parts for the 2021 Toyota C-HR come from 2 brands — HOLSTEIN and STANDARD MOTOR PRODUCTS.
This group includes HOLSTEIN 2HAR0009 and STANDARD MOTOR PRODUCTS S2512.
Camshaft Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2837 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Camshaft Position 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 Toyota C-HR — STANDARD MOTOR PRODUCTS S2837.
Fuel Injector Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GB REMANUFACTURING | 5188 | 🇺🇸 US 🇨🇦 CA | LE Model or Limited or Nightshade or XLE Model | View on Amazon |
This table covers the harness connectors at the Fuel Injector. 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 Toyota C-HR — GB REMANUFACTURING 5188.
Fuel Sending Unit Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2873 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Fuel Sending Unit. 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 Toyota C-HR — STANDARD MOTOR PRODUCTS S2873.
Ignition Coil Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S3291 | 🇺🇸 US 🇨🇦 CA | with Housing | View on Amazon |
| STANDARD MOTOR PRODUCTS | S2527 | 🇺🇸 US 🇨🇦 CA | Complete Assembly | View on Amazon |
| UNITED MOTOR PRODUCTS | CON208 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS | 2701082 | 🇺🇸 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.
4 Ignition Coil Connector parts are listed for the 2021 Toyota C-HR, from STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and WALKER PRODUCTS.
This group includes STANDARD MOTOR PRODUCTS S3291, STANDARD MOTOR PRODUCTS S2527 and UNITED MOTOR PRODUCTS CON208 and the remaining parts above.
Knock / Detonation Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2328 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Rectangular, OvalTerminal Quantity: 2 | View on Amazon |
This table covers the harness connectors at the Knock / Detonation 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 Toyota C-HR — STANDARD MOTOR PRODUCTS S2328.
License Plate Lamp Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S3139 | 🇺🇸 US 🇨🇦 CA | Light Socket | View on Amazon |
This table covers the harness connectors at the License Plate Lamp. 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 S3139.
Manifold Pressure (MAP) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S1028 | 🇺🇸 US 🇨🇦 CA | Gender: Female | View on Amazon |
| ULTRA-POWER | 2701088 | 🇺🇸 US 🇨🇦 CA | Manifold Absolute Pressure Sensor Connector | View on Amazon |
| WALKER PRODUCTS | 2701088 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Manifold Pressure (MAP) 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.
3 Manifold Pressure (MAP) Sensor Connector parts are listed for the 2021 Toyota C-HR, from STANDARD MOTOR PRODUCTS, ULTRA-POWER and WALKER PRODUCTS.
Listed part numbers: STANDARD MOTOR PRODUCTS S1028 and ULTRA-POWER 2701088, plus the other parts above.
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.
Radio Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| METRA | AXSWCHT28 | 🇺🇸 US 🇨🇦 CA | Plug And Play Harness | View on Amazon |
| METRA | 711765 | 🇺🇸 US 🇨🇦 CA | To radioNon-Amplified | View on Amazon |
This table covers the harness connectors at the Radio. 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.
2 Radio Connector parts for the 2021 Toyota C-HR come from METRA.
This group includes METRA AXSWCHT28 and METRA 711765.
Temperature Sender / Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S1923 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangleWiring Harness Length (mm): 508 | View on Amazon |
This table covers the harness connectors at the Temperature Sender / 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 Toyota C-HR — STANDARD MOTOR PRODUCTS S1923.
Throttle Control Actuator Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2817 | 🇺🇸 US 🇨🇦 CA | 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.
One part is listed for the 2021 Toyota C-HR — STANDARD MOTOR PRODUCTS S2817.
Trailer Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CURT | 56517 | 🇺🇸 US 🇨🇦 CA | Custom Wiring Harness4-Way Flat Output | View on Amazon |
| TEKONSHA | 118756 | 🇺🇸 US 🇨🇦 CA | T-One Connector Assemblywith Upgraded Circuit Protected Modu Lite HD Module | 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.
2 Trailer Connector parts for the 2021 Toyota C-HR come from 2 brands — CURT and TEKONSHA.
Part numbers include CURT 56517 and TEKONSHA 118756.
Turn Signal Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S3083 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Rectangle | View on Amazon |
This table covers the harness connectors at the Turn Signal Switch. 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 S3083.
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 Toyota C-HR — STANDARD MOTOR PRODUCTS S2818.
Variable Valve Timing (VVT) Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S1716 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalWire Gauge (GA): 14 | View on Amazon |
This table covers the harness connectors at the Variable Valve Timing (VVT) 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 Toyota C-HR — STANDARD MOTOR PRODUCTS S1716.
Washer Pump 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 Washer 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 Toyota C-HR — STANDARD MOTOR PRODUCTS S1530.
Buying Electrical Connector Parts for a 2021 Toyota C-HR
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 2.0L 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: Ignition Coil Connector and Manifold Pressure (MAP) Sensor Connector .
Frequently Asked Questions
How many electrical connector parts fit the 2021 Toyota C-HR?
Our catalog currently lists 28 electrical connector parts for the 2021 Toyota C-HR across 20 subcategories and 9 brands, covering the 2.0L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical connector problems on a 2021 Toyota C-HR?
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 Toyota C-HR 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 Toyota C-HR?
Every part on this page is matched to the 2.0L 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 Toyota C-HR
Electrical Connector Parts for Other Toyota C-HR 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.