The 2020 Kia Optima has 45 electrical connector parts with verified fitment on this page — 30 part types and 11 brands, covering all 4 engine options (1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged and 2.4L L4). Each part includes a manufacturer part number and application notes.
On the 2020 Kia Optima, 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 Knock / Detonation Sensor Connector (5 parts), Camshaft Position Sensor Connector (3 parts) and Vapor Canister Purge Valve / Solenoid Connector (3 parts). The other 27 part types cover the remaining 34 parts.
The 2020 Kia Optima was sold with 4 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2020 Kia Optima electrical connector parts are STANDARD MOTOR PRODUCTS (33 parts), WALKER PRODUCTS (2 parts) and METRA (2 parts), plus 8 more brands.
Each part number listed for the 2020 Kia Optima opens a page with every vehicle that part fits.
A/C Compressor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S3264 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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 2020 Kia Optima — STANDARD MOTOR PRODUCTS S3264.
A/C Refrigerant Pressure Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S2458 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: OvalWire Gauge (GA): 18, 20 | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | CON205 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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 2020 Kia Optima come from 2 brands — STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS.
This group includes STANDARD MOTOR PRODUCTS S2458 and UNITED MOTOR PRODUCTS CON205.
ABS Wheel Speed Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S2962 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | 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 2020 Kia Optima — STANDARD MOTOR PRODUCTS S2962.
Accessory Power Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S1536 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: PolygonWire Gauge (GA): 8, 16 | View on Amazon |
This table covers the harness connectors at the Accessory Power 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 2020 Kia Optima — STANDARD MOTOR PRODUCTS S1536.
Alternator / Generator Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S2533 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
One part is listed for the 2020 Kia Optima — STANDARD MOTOR PRODUCTS S2533.
Blower Motor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S3205 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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 2020 Kia Optima — STANDARD MOTOR PRODUCTS S3205.
Blower Motor Control Module / Resistor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: 1.6L L4 Turbocharged, 2.0L L4 Turbocharged | 1P1565 | 🇺🇸 US | without Automatic Temperature Control | 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.
This group shows a single part: WELLS 1P1565.
Blower Motor Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | 1712189 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Blower Motor Resistor Pigtailwith 4 Terminal(s) | View on Amazon |
This table covers the harness connectors at the Blower Motor 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.
This group shows a single part: GPD 1712189.
Camshaft Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S2438 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| ULTRA-POWER Fits: 1.6L L4 Turbocharged | 2701089 | 🇺🇸 US 🇨🇦 CA | Cam Position Sensor Connector | View on Amazon |
| WALKER PRODUCTS Fits: 1.6L L4 Turbocharged | 2701089 | 🇺🇸 US | 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.
3 Camshaft Position Sensor Connector parts are listed for the 2020 Kia Optima, from STANDARD MOTOR PRODUCTS, ULTRA-POWER and WALKER PRODUCTS.
This group includes STANDARD MOTOR PRODUCTS S2438 and ULTRA-POWER 2701089 and the remaining parts above.
Crankshaft Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged | S3064 | 🇺🇸 US | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S1038 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: Rectangle | 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.
STANDARD MOTOR PRODUCTS supplies both parts for the 2020 Kia Optima.
Part numbers include STANDARD MOTOR PRODUCTS S3064 and STANDARD MOTOR PRODUCTS S1038.
EGR Valve Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S2488 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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 2020 Kia Optima — STANDARD MOTOR PRODUCTS S2488.
Fuel Injection Pressure Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | 2HAR0060 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Located on Fuel Pump | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S2316 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: OvalNumber of Splice Connectors Included: 3 | 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.
2 Fuel Injection Pressure Sensor Connector parts are listed for the 2020 Kia Optima, from HOLSTEIN and STANDARD MOTOR PRODUCTS.
Part numbers include HOLSTEIN 2HAR0060 and STANDARD MOTOR PRODUCTS S2316.
Fuel Sending Unit Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S2827 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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 2020 Kia Optima — STANDARD MOTOR PRODUCTS S2827.
Fuel Tank Pressure Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S3121 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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 S3121.
Headlamp Wiring Harness / Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S3280 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 14 Terminal.with Green Connector | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S3280.
Ignition Coil Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S2894 | 🇺🇸 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.
One part is listed for the 2020 Kia Optima — STANDARD MOTOR PRODUCTS S2894.
Knock / Detonation Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | PT2309 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged | HP4325 | 🇺🇸 US | HandypackConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged | S1024 | 🇺🇸 US | Connector Shape: RectangleHarness Length | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | HP4750 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HandypackConnector Shape: Oval | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S578 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: OvalGauge: 18 | 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.
5 Knock / Detonation Sensor Connector parts are listed for the 2020 Kia Optima, from STANDARD MOTOR PRODUCTS and ACDELCO.
Part numbers include ACDELCO PT2309, STANDARD MOTOR PRODUCTS HP4325 and STANDARD MOTOR PRODUCTS S1024, among others listed above.
Manifold Pressure (MAP) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | 2701119 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
One part is listed for the 2020 Kia Optima — WALKER PRODUCTS 2701119.
Mass Air Flow (MAF) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 ELECTRIC/GAS | S2900 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Rectangular, N/A | 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 S2900.
Oil Pressure Sender / Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S3077 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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 S3077.
Oxygen (O2) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged | S3133 | 🇺🇸 US | Downstream Sensor | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S1419 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: OvalGender: Female | 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.
STANDARD MOTOR PRODUCTS supplies both parts for the 2020 Kia Optima.
Listed part numbers: STANDARD MOTOR PRODUCTS S3133 and STANDARD MOTOR PRODUCTS S1419.
Parking Aid Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S3223 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | 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 2020 Kia Optima — STANDARD MOTOR PRODUCTS S3223.
Radiator Fan Resistor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S3162 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Harness LengthCM: 37 | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S3326 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the Radiator Fan Resistor. 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 2020 Kia Optima.
Part numbers include STANDARD MOTOR PRODUCTS S3162 and STANDARD MOTOR PRODUCTS S3326.
Radio Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| METRA Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | AXUSBHK2 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | USB Adapter Cable Harness | View on Amazon |
| METRA Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | 717306 | 🇺🇸 US 🇨🇦 CA | Fits To Radiowith automatic climate control | 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 2020 Kia Optima come from METRA.
Listed part numbers: METRA AXUSBHK2 and METRA 717306.
Temperature Sender / Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S3099 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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 2020 Kia Optima — STANDARD MOTOR PRODUCTS S3099.
Throttle Control Actuator Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged | S2817 | 🇺🇸 US | 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 2020 Kia Optima — STANDARD MOTOR PRODUCTS S2817.
Trailer Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CURT Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | 56314 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Custom Wiring Harness4-Way Flat | View on Amazon |
| TEKONSHA Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | 118453 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | T-One Connector Assemblywith Upgraded Converter | 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 2020 Kia Optima come from 2 brands — CURT and TEKONSHA.
Listed part numbers: CURT 56314 and TEKONSHA 118453.
Vapor Canister Purge Valve / Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | HP4625 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HandypackTerminal Type: Blade Terminals | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S1350 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Length (In): 1.125Terminal Type: Blade Terminals | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S1414 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: RectangleTerminal Type: Blade | 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.
STANDARD MOTOR PRODUCTS supplies the 3 Vapor Canister Purge Valve / Solenoid Connector parts for the 2020 Kia Optima.
Listed part numbers: STANDARD MOTOR PRODUCTS HP4625, STANDARD MOTOR PRODUCTS S1350 and STANDARD MOTOR PRODUCTS S1414.
Variable Valve Timing (VVT) Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S1716 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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 2020 Kia Optima — STANDARD MOTOR PRODUCTS S1716.
Washer Pump Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged | S1530 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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 2020 Kia Optima — STANDARD MOTOR PRODUCTS S1530.
Buying Electrical Connector Parts for a 2020 Kia Optima
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: Knock / Detonation Sensor Connector and Camshaft Position Sensor Connector .
Frequently Asked Questions
How many electrical connector parts fit the 2020 Kia Optima?
Our catalog currently lists 45 electrical connector parts for the 2020 Kia Optima across 30 subcategories and 11 brands, covering all 4 engine options (1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged and 2.4L L4). Each part is matched to the engine(s) it fits.
Do electrical connector parts differ between 2020 Kia Optima 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 2020 Kia Optima?
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 2020 Kia Optima 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 2020 Kia Optima?
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 2020 Kia Optima
Electrical Connector Parts for Other Kia Optima Years
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