The 2018 Chevrolet Impala has 135 electrical connector parts with verified fitment on this page — 51 part types and 16 brands, covering both the 2.5L L4 and the 3.6L V6. Each part includes a manufacturer part number and application notes.
The connector system on the 2018 Chevrolet Impala supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules. The largest groups are Wire Terminal (10 parts), Body Wiring Harness / Connector (9 parts) and Engine Wiring Harness / Connector (9 parts). The other 48 part types cover the remaining 107 parts.
The 2018 Chevrolet Impala was sold with both the 2.5L L4 and the 3.6L V6. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2018 Chevrolet Impala electrical connector parts are GM GENUINE (58 parts), STANDARD MOTOR PRODUCTS (43 parts) and ACDELCO (7 parts), plus 13 more brands.
16 parts on this 2018 Chevrolet Impala page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including STANDARD MOTOR PRODUCTS HP3945 (ABS Wheel Speed Sensor Connector) and GM GENUINE PT2550 (Body Wiring Harness / Connector). Click any part number to see every vehicle that part fits.
A/C Compressor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 2.5L L4 | PT3702 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
This table covers the harness connectors at the A/C Compressor. 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 2018 Chevrolet Impala — GM GENUINE PT3702.
A/C Refrigerant Pressure Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Fits: 2.5L L4 | 37236 | 🇺🇸 US 🇨🇦 CA | 3 Terminal Male | View on Amazon |
| ROSTRA Fits: 2.5L L4 | 610225 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the A/C Refrigerant Pressure 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.
2 A/C Refrigerant Pressure Switch Connector parts for the 2018 Chevrolet Impala come from 2 brands — FOUR SEASONS and ROSTRA.
Part numbers include FOUR SEASONS 37236 and ROSTRA 610225.
ABS Wheel Speed Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 2.5L L4 | HP3945 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Square | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 2.5L L4 | S824 | 🇺🇸 US 🇨🇦 CA | Connector Shape: SquareHarness Length | View on Amazon |
| ACDELCO Fits: 2.5L L4 | PT2160 | 🇺🇸 US 🇨🇦 CA | GoldShape: Square | View on Amazon |
| HOLSTEIN Fits: 2.5L L4 | 2HAR0035 | 🇺🇸 US 🇨🇦 CA | Includes ABS Wheel Speed Sensor Wire Harness | View on Amazon |
| WALKER PRODUCTS Fits: 2.5L L4 | 2701100 | 🇺🇸 US 🇨🇦 CA | Includes ABS Wheel Speed Sensor Wire Harness | View on Amazon |
| WELLS Fits: 2.5L L4 | 1P3308 | 🇺🇸 US 🇨🇦 CA | Includes Butt Connectors | 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.
6 ABS Wheel Speed Sensor Connector parts are listed for the 2018 Chevrolet Impala, from STANDARD MOTOR PRODUCTS, ACDELCO, HOLSTEIN and 2 other brands. STANDARD MOTOR PRODUCTS HP3945 carries the "Popular" badge.
Listed part numbers: STANDARD MOTOR PRODUCTS HP3945, STANDARD MOTOR PRODUCTS S824 and ACDELCO PT2160, plus the other parts above.
Accelerator Pedal Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S1048 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Accelerator Pedal 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 2018 Chevrolet Impala — STANDARD MOTOR PRODUCTS S1048.
Air Intake / Charge Temperature Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 2.5L L4 | 84677313 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
This table covers the harness connectors at the Air Intake / Charge 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: GM GENUINE 84677313.
Alternator / Generator Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 2.5L L4 | 84941154 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT2971 | 🇺🇸 US 🇨🇦 CA | Gender: MaleTerminal Type: Blade | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S1477 | 🇺🇸 US 🇨🇦 CA | without Wiring Harness | View on Amazon |
This table covers the harness connectors at the Alternator / Generator. 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 Alternator / Generator Connector parts are listed for the 2018 Chevrolet Impala, from ACDELCO, GM GENUINE and STANDARD MOTOR PRODUCTS.
Listed part numbers: ACDELCO 84941154, GM GENUINE PT2971 and STANDARD MOTOR PRODUCTS S1477.
Body Wiring Harness / Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 2.5L L4 | PT2550 | 🇺🇸 US 🇨🇦 CA | BlackShape: Round | View on Amazon |
| GM GENUINE Popular Fits: 2.5L L4 | PT1401 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| ACDELCO Fits: 2.5L L4 | PT2715 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | 13587760 | 🇺🇸 US 🇨🇦 CA | Fits SI ELEC CODE: X500GRAY | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT2792 | 🇺🇸 US 🇨🇦 CA | Fits LeftSide Impact Sensor-Rear | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT2553 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT2881 | 🇺🇸 US 🇨🇦 CA | BlackTerminal Type: Blade Pin | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | 85576725 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S1243 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangleGauge: 18-12 Gauge | 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.
9 Body Wiring Harness / Connector parts for the 2018 Chevrolet Impala come from 3 brands — GM GENUINE, ACDELCO and STANDARD MOTOR PRODUCTS. The "Popular" part is GM GENUINE PT2550.
This group includes GM GENUINE PT2550, GM GENUINE PT1401 and ACDELCO PT2715 and the remaining parts above.
Brake Pedal Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2506.
Camshaft Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: 2.5L L4 | 1P2565 | 🇺🇸 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 2018 Chevrolet Impala — WELLS 1P2565.
Crankshaft Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 2.5L L4 | PT2106 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| HOLSTEIN Fits: 2.5L L4 | 2HAR0060 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S2316 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalNumber of Splice Connectors Included: 3 | View on Amazon |
This table covers the harness connectors at the Crankshaft 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.
3 Crankshaft Position Sensor Connector parts are listed for the 2018 Chevrolet Impala, from GM GENUINE, HOLSTEIN and STANDARD MOTOR PRODUCTS.
This group includes GM GENUINE PT2106, HOLSTEIN 2HAR0060 and STANDARD MOTOR PRODUCTS S2316.
EGR Valve Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Fits: 2.5L L4 | SKS575 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the EGR Valve. 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 2018 Chevrolet Impala — SKP SKS575.
Engine Wiring Harness / Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 2.5L L4 | PT2971 | 🇺🇸 US 🇨🇦 CA | Gender: MaleTerminal Type: Blade | View on Amazon |
| GM GENUINE Popular Fits: 2.5L L4 | PT2183 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| ACDELCO Fits: 2.5L L4 | 84941154 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | 13576549 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | 13577534 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT2768 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT2044 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | 86778122 | 🇺🇸 US 🇨🇦 CA | BlackTerminal Type: Pin | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | 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.
9 Engine Wiring Harness / Connector parts for the 2018 Chevrolet Impala come from 2 brands — GM GENUINE and ACDELCO. The "Popular" part is GM GENUINE PT2971.
This group includes GM GENUINE PT2971, GM GENUINE PT2183 and ACDELCO 84941154 and the remaining parts above.
Fuel Injection Pressure Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S1713 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Fuel Injection Pressure 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 2018 Chevrolet Impala — STANDARD MOTOR PRODUCTS S1713.
Fuel Injector Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GB REMANUFACTURING Fits: 2.5L L4 | 5191 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP Fits: 2.5L L4 | SKS824 | 🇺🇸 US 🇨🇦 CA | Includes ABS Wheel Speed Sensor Wire Harness | 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.
2 Fuel Injector Connector parts are listed for the 2018 Chevrolet Impala, from GB REMANUFACTURING and SKP.
Listed part numbers: GB REMANUFACTURING 5191 and SKP SKS824.
Fuel Pump Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | HP4325 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S1024 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangleHarness Length | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S2810 | 🇺🇸 US 🇨🇦 CA | Graywith 2 Terminal(s) | View on Amazon |
This table covers the harness connectors at the Fuel 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.
STANDARD MOTOR PRODUCTS supplies the 3 Fuel Pump Connector parts for the 2018 Chevrolet Impala.
Listed part numbers: STANDARD MOTOR PRODUCTS HP4325, STANDARD MOTOR PRODUCTS S1024 and STANDARD MOTOR PRODUCTS S2810.
Fuel Sending Unit Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S2904 | 🇺🇸 US 🇨🇦 CA | with 4 Blade Terminals | 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 2018 Chevrolet Impala — STANDARD MOTOR PRODUCTS S2904.
Fuel Tank Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 2.5L L4 | PT2612 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Popular Fits: 2.5L L4 | PT1401 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT2648 | 🇺🇸 US 🇨🇦 CA | GRAY3-WAY FEMALE | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT2391 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT2877 | 🇺🇸 US 🇨🇦 CA | Natural4-Way Female | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S1243 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangleGauge: 18-12 Gauge | View on Amazon |
This table covers the harness connectors at the Fuel Tank. 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 Fuel Tank Connector parts are listed for the 2018 Chevrolet Impala, from GM GENUINE and STANDARD MOTOR PRODUCTS. GM GENUINE PT2612 carries the "Popular" badge.
Listed part numbers: GM GENUINE PT2612, GM GENUINE PT1401 and GM GENUINE PT2648, plus the other parts above.
Fuel Tank Pressure Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S1445 | 🇺🇸 US 🇨🇦 CA | Wiring Harness Length (In): 17Wiring Harness Length (mm): 431.8 | View on Amazon |
This table covers the harness connectors at the Fuel Tank Pressure 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 S1445.
Grille Air Intake / Shutter Actuator Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S2511 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Oval | 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.
One part is listed for the 2018 Chevrolet Impala — STANDARD MOTOR PRODUCTS S2511.
Headlamp Wiring Harness / Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 2.5L L4 | PT2612 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Popular Fits: 2.5L L4 | PT1694 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT2792 | 🇺🇸 US 🇨🇦 CA | Fits LeftSi Elec Code:B59L | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT2625 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | 13576549 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT2888 | 🇺🇸 US 🇨🇦 CA | Windshield Wiper MotorSi Elec Code: M75 | 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.
6 Headlamp Wiring Harness / Connector parts for the 2018 Chevrolet Impala come from GM GENUINE. The "Popular" part is GM GENUINE PT2612.
Part numbers include GM GENUINE PT2612, GM GENUINE PT1694 and GM GENUINE PT2792, among others listed above.
Headliner Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 2.5L L4 | PT2726 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| ACDELCO Fits: 2.5L L4 | PT2715 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT3724 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT3735 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT3025 | 🇺🇸 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.
5 Headliner Connector parts are listed for the 2018 Chevrolet Impala, from GM GENUINE and ACDELCO. GM GENUINE PT2726 carries the "Popular" badge.
Listed part numbers: GM GENUINE PT2726, ACDELCO PT2715 and GM GENUINE PT3724, plus the other parts above.
Horn Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 2.5L L4 | 645215 | 🇺🇸 US 🇨🇦 CA | 2 Cavity Female | View on Amazon |
| ROSTRA Fits: 2.5L L4 | 610059 | 🇺🇸 US 🇨🇦 CA | Terminal Gender: Female | View on Amazon |
This table covers the harness connectors at the Horn. 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 Horn Connector parts for the 2018 Chevrolet Impala come from 2 brands — DORMAN and ROSTRA.
This group includes DORMAN 645215 and ROSTRA 610059.
Ignition Coil Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S2927 | 🇺🇸 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 2018 Chevrolet Impala — STANDARD MOTOR PRODUCTS S2927.
Ignition Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S706 | 🇺🇸 US 🇨🇦 CA | Connector Shape: PolygonLength (In): 0.875 | View on Amazon |
This table covers the harness connectors at the Ignition Relay. 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 2018 Chevrolet Impala — STANDARD MOTOR PRODUCTS S706.
Ignition Starter Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S2425 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Ignition Starter 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.
One part is listed for the 2018 Chevrolet Impala — STANDARD MOTOR PRODUCTS S2425.
Instrument Panel Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 2.5L L4 | PT2550 | 🇺🇸 US 🇨🇦 CA | BlackShape: Round | View on Amazon |
| GM GENUINE Popular Fits: 2.5L L4 | PT2195 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT2506 | 🇺🇸 US 🇨🇦 CA | Fits LeftSpeaker | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT2630 | 🇺🇸 US 🇨🇦 CA | YellowSteering Wheel Air Bag Coil X3 | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT146 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT2557 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT2631 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT2496 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT2996 | 🇺🇸 US 🇨🇦 CA | Black | 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.
9 Instrument Panel Connector parts for the 2018 Chevrolet Impala come from GM GENUINE. The "Popular" part is GM GENUINE PT2550.
Listed part numbers: GM GENUINE PT2550, GM GENUINE PT2195 and GM GENUINE PT2506, plus the other parts above.
Knock / Detonation Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 2.5L L4 | 19301207 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S934 | 🇺🇸 US 🇨🇦 CA | Contact Terminal Material: Metal | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 2.5L L4 | CON191 | 🇺🇸 US 🇨🇦 CA | Terminal Gender: Female | 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.
3 Knock / Detonation Sensor Connector parts are listed for the 2018 Chevrolet Impala, from GM GENUINE, STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS.
Listed part numbers: GM GENUINE 19301207, STANDARD MOTOR PRODUCTS S934 and UNITED MOTOR PRODUCTS CON191.
Manifold Pressure (MAP) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BWD/NIEHOFF Fits: 2.5L L4 | PT944 | 🇺🇸 US 🇨🇦 CA | Evaporator Emission Control ConnectorAt Fuel Tank Pressure Sensor | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S1038 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Rectangle | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 2.5L L4 | CON7 | 🇺🇸 US 🇨🇦 CA | Terminal Gender: Female | View on Amazon |
| WELLS Fits: 2.5L L4 | 1P2218 | 🇺🇸 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.
4 Manifold Pressure (MAP) Sensor Connector parts are listed for the 2018 Chevrolet Impala, from BWD/NIEHOFF, STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and 1 other brand.
Part numbers include BWD/NIEHOFF PT944, STANDARD MOTOR PRODUCTS S1038 and UNITED MOTOR PRODUCTS CON7, among others listed above.
Mass Air Flow (MAF) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S2507 | 🇺🇸 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 S2507.
Oil Level Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | HP4325 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S1024 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangleHarness Length | 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.
STANDARD MOTOR PRODUCTS supplies both parts for the 2018 Chevrolet Impala.
Listed part numbers: STANDARD MOTOR PRODUCTS HP4325 and STANDARD MOTOR PRODUCTS S1024.
Oil Pressure Sender / Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S2278 | 🇺🇸 US 🇨🇦 CA | BlackConnector Shape: Oval | View on Amazon |
This table covers the harness connectors at the Oil Pressure Sender / 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 S2278.
Oxygen (O2) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 2.5L L4 | S2894 | 🇺🇸 US 🇨🇦 CA | RearColor Code Black and Purple | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT2923 | 🇺🇸 US 🇨🇦 CA | Crimping Tool Included: NoLength: 12 in | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT2922 | 🇺🇸 US 🇨🇦 CA | Si Elec Code: B52BHeated Oxygen Sensor 2 | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | PT919 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S3097 | 🇺🇸 US 🇨🇦 CA | RearGray | View on Amazon |
This table covers the harness connectors at the Oxygen (O2) 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.
5 Oxygen (O2) Sensor Connector parts are listed for the 2018 Chevrolet Impala, from GM GENUINE and STANDARD MOTOR PRODUCTS. STANDARD MOTOR PRODUCTS S2894 carries the "Popular" badge.
This group includes STANDARD MOTOR PRODUCTS S2894, GM GENUINE PT2923 and GM GENUINE PT2922 and the remaining parts above.
Park Assist (PAS) Camera Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| METRA Fits: 2.5L L4 | AXACGM1 | 🇺🇸 US 🇨🇦 CA | Camera Interface | View on Amazon |
| METRA Fits: 2.5L L4 | BACKUPCAM3 | 🇺🇸 US 🇨🇦 CA | Backup Camera Retention Harness | 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.
2 Park Assist (PAS) Camera Connector parts for the 2018 Chevrolet Impala come from METRA.
This group includes METRA AXACGM1 and METRA BACKUPCAM3.
Parking Aid Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | 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.
One part is listed for the 2018 Chevrolet Impala — STANDARD MOTOR PRODUCTS S2269.
Power Window Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S1426 | 🇺🇸 US 🇨🇦 CA | Fits Rear | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S1481 | 🇺🇸 US 🇨🇦 CA | Front Leftwith One Touch Window Open/Close | View on Amazon |
This table covers the harness connectors at the Power Window 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.
2 Power Window Switch Connector parts for the 2018 Chevrolet Impala come from STANDARD MOTOR PRODUCTS.
Listed part numbers: STANDARD MOTOR PRODUCTS S1426 and STANDARD MOTOR PRODUCTS S1481.
Radiator Fan Motor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S1288 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Radiator Fan 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 2018 Chevrolet Impala — STANDARD MOTOR PRODUCTS S1288.
Radiator Fan Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S706 | 🇺🇸 US 🇨🇦 CA | Connector Shape: PolygonLength (In): 0.875 | View on Amazon |
This table covers the harness connectors at the Radiator Fan Relay. 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 2018 Chevrolet Impala — STANDARD MOTOR PRODUCTS S706.
Radio Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| METRA Fits: 2.5L L4 | AXBUCHGM3 | 🇺🇸 US 🇨🇦 CA | Rear View Camera Harness | 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.
This group shows a single part: METRA AXBUCHGM3.
Speaker Amplifier Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: 2.5L L4 | 1P3938 | 🇺🇸 US 🇨🇦 CA | with 8 Terminals | View on Amazon |
This table covers the harness connectors at the Speaker Amplifier. 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 2018 Chevrolet Impala — WELLS 1P3938.
Temperature Sender / Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 2.5L L4 | PT2550 | 🇺🇸 US 🇨🇦 CA | BlackShape: Round | View on Amazon |
| HOLSTEIN Fits: 2.5L L4 | 2HAR0036 | 🇺🇸 US 🇨🇦 CA | Includes ABS Wheel Speed Sensor Wire Harness | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S1686 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalBlack | View on Amazon |
| WELLS Fits: 2.5L L4 | 1P3395 | 🇺🇸 US 🇨🇦 CA | 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.
4 Temperature Sender / Sensor Connector parts are listed for the 2018 Chevrolet Impala, from GM GENUINE, HOLSTEIN, STANDARD MOTOR PRODUCTS and 1 other brand.
Listed part numbers: GM GENUINE PT2550, HOLSTEIN 2HAR0036 and STANDARD MOTOR PRODUCTS S1686, plus the other parts above.
Throttle Control Actuator Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S2409 | 🇺🇸 US 🇨🇦 CA | Gender: MaleHarness Length | 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 2018 Chevrolet Impala — STANDARD MOTOR PRODUCTS S2409.
Trailer Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CURT Fits: 2.5L L4 | 56188 | 🇺🇸 US 🇨🇦 CA | Custom Wiring Harness4-Way Flat | View on Amazon |
| TEKONSHA Fits: 2.5L L4 | 118590 | 🇺🇸 US 🇨🇦 CA | T-One Connector Assemblywith Upgraded Circuit Protected Modu Lite 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 2018 Chevrolet Impala come from 2 brands — CURT and TEKONSHA.
Listed part numbers: CURT 56188 and TEKONSHA 118590.
Vapor Canister Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 2.5L L4 | PT2160 | 🇺🇸 US 🇨🇦 CA | GoldShape: Square | View on Amazon |
| HOLSTEIN Fits: 2.5L L4 | 2HAR0035 | 🇺🇸 US 🇨🇦 CA | Includes ABS Wheel Speed Sensor Wire Harness | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | HP3945 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Square | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S824 | 🇺🇸 US 🇨🇦 CA | Connector Shape: SquareHarness Length | View on Amazon |
This table covers the harness connectors at the Vapor Canister. 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 Vapor Canister Connector parts for the 2018 Chevrolet Impala come from 3 brands — STANDARD MOTOR PRODUCTS, ACDELCO and HOLSTEIN.
This group includes ACDELCO PT2160, HOLSTEIN 2HAR0035 and STANDARD MOTOR PRODUCTS HP3945 and the remaining parts above.
Vapor Canister Purge Valve / Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S2860 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalGauge: 16 Gauge | 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 2018 Chevrolet Impala — STANDARD MOTOR PRODUCTS S2860.
Vapor Canister Vent Valve / Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 2.5L L4 | PT2160 | 🇺🇸 US 🇨🇦 CA | GoldShape: Square | View on Amazon |
| HOLSTEIN Fits: 2.5L L4 | 2HAR0035 | 🇺🇸 US 🇨🇦 CA | Includes ABS Wheel Speed Sensor Wire Harness | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | HP3945 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Square | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S824 | 🇺🇸 US 🇨🇦 CA | Connector Shape: SquareHarness Length | View on Amazon |
This table covers the harness connectors at the Vapor Canister Vent 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.
4 Vapor Canister Vent Valve / Solenoid Connector parts are listed for the 2018 Chevrolet Impala, from STANDARD MOTOR PRODUCTS, ACDELCO and HOLSTEIN.
Listed part numbers: ACDELCO PT2160, HOLSTEIN 2HAR0035 and STANDARD MOTOR PRODUCTS HP3945, plus the other parts above.
Variable Power Steering Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: 2.5L L4 | 1P3846 | 🇺🇸 US 🇨🇦 CA | with 5 Terminals | View on Amazon |
This table covers the harness connectors at the Variable Power Steering 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.
This group shows a single part: WELLS 1P3846.
Variable Valve Timing (VVT) Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S2860 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalGauge: 16 Gauge | 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 2018 Chevrolet Impala — STANDARD MOTOR PRODUCTS S2860.
Washer Fluid Level Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | HP4720 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Oval | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S575 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalHarness Length | 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.
STANDARD MOTOR PRODUCTS supplies both parts for the 2018 Chevrolet Impala.
This group includes STANDARD MOTOR PRODUCTS HP4720 and STANDARD MOTOR PRODUCTS S575.
Washer Pump Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | 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.
One part is listed for the 2018 Chevrolet Impala — STANDARD MOTOR PRODUCTS S2279.
Window Motor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | S2052 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalGauge: 18-14 Gauge | View on Amazon |
This table covers the harness connectors at the Window 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2052.
Wire Terminal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 2.5L L4 | 13582308 | 🇺🇸 US 🇨🇦 CA | Multi-PurposeWire Gauge Measurement: 1.00 GU | View on Amazon |
| GM GENUINE Popular Fits: 2.5L L4 | 84757974 | 🇺🇸 US 🇨🇦 CA | Multi-PurposeColor: White | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | 19351723 | 🇺🇸 US 🇨🇦 CA | Multi-PurposeWire Gauge Measurement: 2.00 GU | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | 13575812 | 🇺🇸 US 🇨🇦 CA | Multi-PurposeWire Gauge Measurement: 0.80 GU | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | 13576369 | 🇺🇸 US 🇨🇦 CA | Multi-PurposeWire Gauge Measurement: 0.50 GU | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | 13576377 | 🇺🇸 US 🇨🇦 CA | Multi-PurposeWire Gauge Measurement: 6.00 GU | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | 13575400 | 🇺🇸 US 🇨🇦 CA | Multi-PurposeWire Gauge Measurement: 1.25 GU | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | 19119395 | 🇺🇸 US 🇨🇦 CA | Multi-PurposeWire Gauge Measurement: 1.00 GU | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | 13578883 | 🇺🇸 US 🇨🇦 CA | Multi-PurposeWire Gauge Measurement: 0.80 GU | View on Amazon |
| GM GENUINE Fits: 2.5L L4 | 13575392 | 🇺🇸 US 🇨🇦 CA | Multi-PurposeWire Gauge Measurement: 2.50 GU | View on Amazon |
This table covers the terminals crimped onto a harness lead.
GM GENUINE supplies the 10 Wire Terminal parts for the 2018 Chevrolet Impala. GM GENUINE 13582308 carries the "Popular" badge.
Buying Electrical Connector Parts for a 2018 Chevrolet Impala
On this vehicle, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules.
- Match the engine first. Every electrical connector part here is engine-specific; each row shows which engine(s) it fits.
- 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: Wire Terminal and Body Wiring Harness / Connector .
Frequently Asked Questions
How many electrical connector parts fit the 2018 Chevrolet Impala?
Our catalog currently lists 135 electrical connector parts for the 2018 Chevrolet Impala across 51 subcategories and 16 brands, covering both the 2.5L L4 and the 3.6L V6. Each part is matched to the engine(s) it fits.
Do electrical connector parts differ between 2018 Chevrolet Impala engines?
Yes. Every electrical connector part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of electrical connector problems on a 2018 Chevrolet Impala?
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 2018 Chevrolet Impala 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 2018 Chevrolet Impala?
First match the engine — each row shows which engine(s) the part fits. 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 2018 Chevrolet Impala
Electrical Connector Parts for Other Chevrolet Impala 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.