The 2021 Chevrolet Bolt has 74 electrical connector parts with verified fitment on this page — 16 part types and 4 brands, covering the ELECTRIC engine. Each part includes a manufacturer part number and application notes.
On the 2021 Chevrolet Bolt, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules. Most of the listed parts are Body Wiring Harness / Connector (17 parts), Instrument Panel Connector (9 parts) and Engine Wiring Harness / Connector (8 parts). The other 13 part types cover the remaining 40 parts.
The 2021 Chevrolet Bolt came with a single engine, the ELECTRIC, and every part is verified against it.
4 brands supply electrical connector parts for the 2021 Chevrolet Bolt, led by GM GENUINE (58 parts), STANDARD MOTOR PRODUCTS (11 parts) and ACDELCO (3 parts), plus 1 more brand.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Chevrolet Bolt. 13 parts have it, including GM GENUINE PT3702 (Body Wiring Harness / Connector) and GM GENUINE PT3829 (Engine Wiring Harness / Connector). Each part number opens a page with every vehicle that part fits.
ABS Wheel Speed Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | PT2160 | 🇺🇸 US 🇨🇦 CA | GoldShape: Square | View on Amazon |
| HOLSTEIN | 2HAR0035 | 🇺🇸 US 🇨🇦 CA | Includes ABS Wheel Speed Sensor Wire Harness | View on Amazon |
| STANDARD MOTOR PRODUCTS | HP3945 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Square | View on Amazon |
| STANDARD MOTOR PRODUCTS | S824 | 🇺🇸 US 🇨🇦 CA | Connector Shape: SquareHarness Length | 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.
4 ABS Wheel Speed Sensor Connector parts for the 2021 Chevrolet Bolt come from 3 brands — STANDARD MOTOR PRODUCTS, ACDELCO and HOLSTEIN.
Part numbers include ACDELCO PT2160, HOLSTEIN 2HAR0035 and STANDARD MOTOR PRODUCTS HP3945, among others listed above.
Ambient Air Temperature Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2860 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalGauge: 16 Gauge | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2860.
Body Wiring Harness / Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | PT3702 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Popular | PT2929 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Popular | 86778122 | 🇺🇸 US 🇨🇦 CA | BlackTerminal Type: Pin | View on Amazon |
| GM GENUINE Popular | PT3739 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| ACDELCO | PT2715 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
| GM GENUINE | 13576549 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE | 84719651 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE | 86802964 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE | PT3906 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE | 85761014 | 🇺🇸 US 🇨🇦 CA | BlackNumber Of Butt Connectors: 2 | View on Amazon |
| GM GENUINE | PT3737 | 🇺🇸 US 🇨🇦 CA | Si Elec Code: T3LT Gray | View on Amazon |
| GM GENUINE | 84773558 | 🇺🇸 US 🇨🇦 CA | Service Information Electric Code: B107Natural with Black Cover | View on Amazon |
| GM GENUINE | 13529172 | 🇺🇸 US 🇨🇦 CA | Fits LeftService Information Electrical Code: F105L | View on Amazon |
| GM GENUINE | 13314098 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE | PT3667 | 🇺🇸 US 🇨🇦 CA | Si Elec Code: K182Parking Assist Control Module X2 | View on Amazon |
| GM GENUINE | 84683650 | 🇺🇸 US 🇨🇦 CA | Si Elec Code: B22Natural | View on Amazon |
| GM GENUINE | 19352907 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
This table covers the body-harness connectors and pigtails. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape.
17 Body Wiring Harness / Connector parts are listed for the 2021 Chevrolet Bolt, from GM GENUINE and ACDELCO. GM GENUINE PT3702 carries the "Popular" badge.
Brake Pedal Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S1670 | 🇺🇸 US 🇨🇦 CA | Terminal Type: Blade Terminals | View on Amazon |
| STANDARD MOTOR PRODUCTS | S2506 | 🇺🇸 US 🇨🇦 CA | Terminal Type: Blade | View on Amazon |
This table covers the harness connectors at the Brake Pedal. 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.
STANDARD MOTOR PRODUCTS supplies both parts for the 2021 Chevrolet Bolt.
Listed part numbers: STANDARD MOTOR PRODUCTS S1670 and STANDARD MOTOR PRODUCTS S2506.
Door Lock Actuator Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2509 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
This table covers the harness connectors at the Door Lock 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 S2509.
Engine Wiring Harness / Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | PT3829 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Popular | PT2929 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE | 85519071 | 🇺🇸 US 🇨🇦 CA | Black or Color: Natural | View on Amazon |
| GM GENUINE | 86778122 | 🇺🇸 US 🇨🇦 CA | BlackTerminal Type: Pin | View on Amazon |
| GM GENUINE | PT3612 | 🇺🇸 US 🇨🇦 CA | BlackTerminal Gender: Female | View on Amazon |
| GM GENUINE | PT3825 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE | 84677313 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE | 19352907 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
This table covers the wiring-harness connectors at the Engine. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape.
GM GENUINE supplies the 8 Engine Wiring Harness / Connector parts for the 2021 Chevrolet Bolt. GM GENUINE PT3829 carries the "Popular" badge.
This group includes GM GENUINE PT3829, GM GENUINE PT2929 and GM GENUINE 85519071 and the remaining parts above.
Grille Air Intake / Shutter Actuator Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S3310 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Grille Air Intake / Shutter 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 S3310.
Headlamp Wiring Harness / Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | PT2612 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Popular | PT2830 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE | 85005016 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE | PT3776 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE | PT3906 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE | PT3612 | 🇺🇸 US 🇨🇦 CA | BlackTerminal Gender: Female | View on Amazon |
| GM GENUINE | PT3897 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE | 19352907 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
This table covers the wiring-harness connectors at the Headlamp. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape.
GM GENUINE supplies the 8 Headlamp Wiring Harness / Connector parts for the 2021 Chevrolet Bolt. GM GENUINE PT2612 carries the "Popular" badge.
This group includes GM GENUINE PT2612, GM GENUINE PT2830 and GM GENUINE 85005016 and the remaining parts above.
Headliner Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | PT2726 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| ACDELCO | PT3701 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
| GM GENUINE | 13507121 | 🇺🇸 US 🇨🇦 CA | BlackTerminal Gender: Male Female | View on Amazon |
| GM GENUINE | 13577390 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE | PT2565 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE | PT3376 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
This table covers the harness connectors at the Headliner. 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.
6 Headliner Connector parts for the 2021 Chevrolet Bolt come from 2 brands — GM GENUINE and ACDELCO. The "Popular" part is GM GENUINE PT2726.
Listed part numbers: GM GENUINE PT2726, ACDELCO PT3701 and GM GENUINE 13507121, plus the other parts above.
Instrument Panel Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | PT3865 | 🇺🇸 US 🇨🇦 CA | Si Electrical Code: X80Gray | View on Amazon |
| GM GENUINE Popular | 85761014 | 🇺🇸 US 🇨🇦 CA | BlackNumber Of Butt Connectors: 2 | View on Amazon |
| GM GENUINE | PT3604 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE | PT3667 | 🇺🇸 US 🇨🇦 CA | Vehicle On/Off SwitchSi Elec Code: S83 | View on Amazon |
| GM GENUINE | 13507121 | 🇺🇸 US 🇨🇦 CA | BlackTerminal Gender: Male Female | View on Amazon |
| GM GENUINE | 13508196 | 🇺🇸 US 🇨🇦 CA | SI ELEC CODE: S48DMULTIFUNCTION SWITCH 2 | View on Amazon |
| GM GENUINE | 13509648 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE | 13510218 | 🇺🇸 US 🇨🇦 CA | YELLOWSTEERING WHEEL AIR BAG COIL X1 | View on Amazon |
| GM GENUINE | 13519319 | 🇺🇸 US 🇨🇦 CA | Si Electrical Code: K56Serial Data Gateway Module X1 | View on Amazon |
This table covers the harness connectors at the Instrument 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.
GM GENUINE supplies the 9 Instrument Panel Connector parts for the 2021 Chevrolet Bolt. GM GENUINE PT3865 carries the "Popular" badge.
Part numbers include GM GENUINE PT3865, GM GENUINE 85761014 and GM GENUINE PT3604, among others listed above.
Park Assist (PAS) Camera Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 42620014 | 🇺🇸 US 🇨🇦 CA | Fits RearNPN 3 | View on Amazon |
| GM GENUINE | 42620016 | 🇺🇸 US 🇨🇦 CA | Fits RearNPN 5 | View on Amazon |
| GM GENUINE | 42620017 | 🇺🇸 US 🇨🇦 CA | Fits RearSeat Heater (KA1),Rear Seat Heater (KA6),Brasil(MCM),Bose Premium Audio Speaker System with Amplifier (UQA) | View on Amazon |
| GM GENUINE | 42620018 | 🇺🇸 US 🇨🇦 CA | Fits RearNorth America (MAH),Canada (MBC),Bose Premium Audio Speaker System with Amplifier (UQA),Mono HD Digital Vision with 360 View (UV2) | View on Amazon |
| GM GENUINE | 42620019 | 🇺🇸 US 🇨🇦 CA | Fits RearNPN 8 | View on Amazon |
This table covers the harness connectors at the Park Assist (PAS) Camera. 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.
GM GENUINE supplies the 5 Park Assist (PAS) Camera Connector parts for the 2021 Chevrolet Bolt.
This group includes GM GENUINE 42620014, GM GENUINE 42620016 and GM GENUINE 42620017 and the remaining parts above.
Parking Aid Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2269 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangleNumber of Splice Connectors Included: 3 | View on Amazon |
This table covers the harness connectors at the Parking Aid 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 S2269.
Parking Brake Actuator Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S3064 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
This table covers the harness connectors at the Parking Brake 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 S3064.
Temperature Sender / Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2HAR0036 | 🇺🇸 US 🇨🇦 CA | Includes ABS Wheel Speed Sensor Wire Harness | View on Amazon |
| STANDARD MOTOR PRODUCTS | S1686 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalBlack | 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.
2 Temperature Sender / Sensor Connector parts for the 2021 Chevrolet Bolt come from 2 brands — HOLSTEIN and STANDARD MOTOR PRODUCTS.
Listed part numbers: HOLSTEIN 2HAR0036 and STANDARD MOTOR PRODUCTS S1686.
Washer Pump Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2279 | 🇺🇸 US 🇨🇦 CA | Front | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2279.
Wire Terminal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 13582308 | 🇺🇸 US 🇨🇦 CA | Multi-PurposeWire Gauge Measurement: 1.00 GU | View on Amazon |
| GM GENUINE Popular | 84757974 | 🇺🇸 US 🇨🇦 CA | Multi-PurposeColor: White | View on Amazon |
| GM GENUINE | 13575812 | 🇺🇸 US 🇨🇦 CA | Multi-PurposeWire Gauge Measurement: 0.80 GU | View on Amazon |
| GM GENUINE | 13576369 | 🇺🇸 US 🇨🇦 CA | Multi-PurposeWire Gauge Measurement: 0.50 GU | View on Amazon |
| GM GENUINE | 13576377 | 🇺🇸 US 🇨🇦 CA | Multi-PurposeWire Gauge Measurement: 6.00 GU | View on Amazon |
| GM GENUINE | 13575850 | 🇺🇸 US 🇨🇦 CA | Multi-Purpose | View on Amazon |
| GM GENUINE | 19370262 | 🇺🇸 US 🇨🇦 CA | Multi-PurposeColor: White | View on Amazon |
This table covers the terminals crimped onto a harness lead.
7 Wire Terminal parts for the 2021 Chevrolet Bolt come from GM GENUINE. The "Popular" part is GM GENUINE 13582308.
Listed part numbers: GM GENUINE 13582308, GM GENUINE 84757974 and GM GENUINE 13575812, plus the other parts above.
Buying Electrical Connector Parts for a 2021 Chevrolet Bolt
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 ELECTRIC 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: Body Wiring Harness / Connector and Instrument Panel Connector .
Frequently Asked Questions
How many electrical connector parts fit the 2021 Chevrolet Bolt?
Our catalog currently lists 74 electrical connector parts for the 2021 Chevrolet Bolt across 16 subcategories and 4 brands, covering the ELECTRIC engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical connector problems on a 2021 Chevrolet Bolt?
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 Chevrolet Bolt 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 Chevrolet Bolt?
Every part on this page is matched to the ELECTRIC 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 Chevrolet Bolt
Electrical Connector Parts for Other Chevrolet Bolt 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.