70 Electrical connector parts are listed for the 2015 Kia Optima, in 35 part types, covering all 3 engine options (2.0L L4 Turbocharged, 2.4L L4 and 2.4L L4 ELECTRIC/GAS). Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2015 Kia Optima, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules. 18 parts of the 70 listed are Radio Connector (7 parts), Blower Motor Control Module / Resistor Connector (6 parts) and Manifold Pressure (MAP) Sensor Connector (5 parts). The other 32 part types cover the remaining 52 parts.
The 2015 Kia Optima was sold with 3 engines. 58 parts fit every engine; the other 12 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2015 Kia Optima electrical connector parts are STANDARD MOTOR PRODUCTS (38 parts), WELLS (7 parts) and METRA (7 parts), plus 11 more brands.
5 parts on this 2015 Kia Optima page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including STANDARD MOTOR PRODUCTS S1785 (Blower Motor Control Module / Resistor Connector) and STANDARD MOTOR PRODUCTS S1461 (Manifold Pressure (MAP) Sensor Connector). Click any part number to see every vehicle that part fits.
A/C Compressor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | S3264 | 🇺🇸 US 🇨🇦 CA | 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 2015 Kia Optima — STANDARD MOTOR PRODUCTS S3264.
A/C Refrigerant Pressure Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Fits: all 2015 Optima engines | 37276 | 🇺🇸 US 🇨🇦 CA | 3 Terminal FemaleRectangular Connector | View on Amazon |
| GPD Fits: all 2015 Optima engines | 1712679 | 🇺🇸 US 🇨🇦 CA | Pressure Transducer Pigtail | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | S2458 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalWire Gauge (GA): 18, 20 | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: all 2015 Optima engines | CON205 | 🇺🇸 US 🇨🇦 CA | Low PressureCut-Off | 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.
4 A/C Refrigerant Pressure Switch Connector parts for the 2015 Kia Optima come from 4 brands — FOUR SEASONS, GPD, STANDARD MOTOR PRODUCTS and 1 other brand. Every part fits all 3 engine options (2.0L L4 Turbocharged, 2.4L L4 and 2.4L L4 ELECTRIC/GAS).
Listed part numbers: FOUR SEASONS 37276, GPD 1712679 and STANDARD MOTOR PRODUCTS S2458, plus the other parts above.
ABS Wheel Speed Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | S3021 | 🇺🇸 US 🇨🇦 CA | Harness LengthInches: 18.5 | 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 2015 Kia Optima — STANDARD MOTOR PRODUCTS S3021.
Accelerator Pedal Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | S2082 | 🇺🇸 US 🇨🇦 CA | Wire Gauge (GA): 16 | 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 2015 Kia Optima — STANDARD MOTOR PRODUCTS S2082.
Accessory Power Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | HP3810 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Polygon | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | S654 | 🇺🇸 US 🇨🇦 CA | Connector Shape: PolygonLength (In): 1 | View on Amazon |
| WELLS Fits: all 2015 Optima engines | 1P1143 | 🇺🇸 US 🇨🇦 CA | Terminal Quantity: 5Wiring Harness Length: 12.0 In | 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.
3 Accessory Power Relay Connector parts are listed for the 2015 Kia Optima, from STANDARD MOTOR PRODUCTS and WELLS. All of them fit every engine offered in the 2015 Optima.
Part numbers include STANDARD MOTOR PRODUCTS HP3810, STANDARD MOTOR PRODUCTS S654 and WELLS 1P1143.
Alternator / Generator Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | S2533 | 🇺🇸 US 🇨🇦 CA | 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 2015 Kia Optima — STANDARD MOTOR PRODUCTS S2533.
Ambient Air Temperature Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | S2964 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Oval | 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 2015 Kia Optima — STANDARD MOTOR PRODUCTS S2964.
Blind Spot Detection Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | S3274 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Blind Spot Detection 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 2015 Kia Optima — STANDARD MOTOR PRODUCTS S3274.
Blower Motor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | S3205 | 🇺🇸 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 2015 Kia Optima — STANDARD MOTOR PRODUCTS S3205.
Blower Motor Control Module / Resistor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: all 2015 Optima engines | S1785 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangleWiring Harness Length (In): 12.5 | View on Amazon |
| WELLS Popular Fits: all 2015 Optima engines | 1P1565 | 🇺🇸 US 🇨🇦 CA | without Automatic Temperature Control | View on Amazon |
| DORMAN Fits: all 2015 Optima engines | 645320 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FOUR SEASONS Fits: 2.0L L4 Turbocharged, 2.4L L4 | 37260 | 🇺🇸 US 🇨🇦 CA | 4 Terminal Malewith Female Lock Tab | View on Amazon |
| HOLSTEIN Fits: all 2015 Optima engines | 2HAR0006 | 🇺🇸 US 🇨🇦 CA | with Manual Air Conditioning | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: all 2015 Optima engines | CON43 | 🇺🇸 US 🇨🇦 CA | with Female Lock Tabwithout 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.
6 Blower Motor Control Module / Resistor Connector parts for the 2015 Kia Optima come from 6 brands — STANDARD MOTOR PRODUCTS, WELLS, DORMAN and 3 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS S1785. 5 parts fit every engine; the other 1 is engine-specific.
This group includes STANDARD MOTOR PRODUCTS S1785, WELLS 1P1565 and DORMAN 645320 and the remaining parts above.
Blower Motor Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD Fits: all 2015 Optima engines | 1712189 | 🇺🇸 US 🇨🇦 CA | 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: all 2015 Optima engines | S2438 | 🇺🇸 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 2015 Kia Optima — STANDARD MOTOR PRODUCTS S2438.
Computer Control Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | S1600 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangleContact Terminal Material: Metal | View on Amazon |
This table covers the harness connectors at the Computer Control 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: STANDARD MOTOR PRODUCTS S1600.
Crankshaft Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged | S3064 | 🇺🇸 US 🇨🇦 CA | 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.
One part is listed for the 2015 Kia Optima — STANDARD MOTOR PRODUCTS S3064.
Fog / Driving Lamp Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: all 2015 Optima engines | PT2298 | 🇺🇸 US 🇨🇦 CA | GoldHeight (In): 1.5 in | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | HP3835 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Oval | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | S553 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalContact Terminal Material: Metal | View on Amazon |
| WELLS Fits: all 2015 Optima engines | 1P1032 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Fog / Driving 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.
4 Fog / Driving Lamp Connector parts are listed for the 2015 Kia Optima, from STANDARD MOTOR PRODUCTS, ACDELCO and WELLS. All of them fit every engine offered in the 2015 Optima.
Listed part numbers: ACDELCO PT2298, STANDARD MOTOR PRODUCTS HP3835 and STANDARD MOTOR PRODUCTS S553, plus the other parts above.
Fuel Injector Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GB REMANUFACTURING Fits: 2.4L L4 ELECTRIC/GAS | 5187 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged | S2860 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalGauge: 16 Gauge | 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 2015 Kia Optima, from GB REMANUFACTURING and STANDARD MOTOR PRODUCTS.
Part numbers include GB REMANUFACTURING 5187 and STANDARD MOTOR PRODUCTS S2860.
Fuel Pump / Circuit Opening Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 2015 Optima engines | 1P4004 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Fuel Pump / Circuit Opening 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: WELLS 1P4004.
Fuel Sending Unit Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4, 2.4L L4 ELECTRIC/GAS | 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 2015 Kia Optima — STANDARD MOTOR PRODUCTS S2873.
Fuel Tank Pressure Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | S3121 | 🇺🇸 US 🇨🇦 CA | 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.
Ignition Coil Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | S1441 | 🇺🇸 US 🇨🇦 CA | Splice Connectors Included: Yes | 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 2015 Kia Optima — STANDARD MOTOR PRODUCTS S1441.
Knock / Detonation Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 2.4L L4 ELECTRIC/GAS | PT2309 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 ELECTRIC/GAS | HP4750 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Oval | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 ELECTRIC/GAS | S578 | 🇺🇸 US 🇨🇦 CA | 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.
3 Knock / Detonation Sensor Connector parts are listed for the 2015 Kia Optima, from STANDARD MOTOR PRODUCTS and ACDELCO.
Listed part numbers: ACDELCO PT2309, STANDARD MOTOR PRODUCTS HP4750 and STANDARD MOTOR PRODUCTS S578.
Manifold Pressure (MAP) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: all 2015 Optima engines | S1461 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ROSTRA Fits: all 2015 Optima engines | 610351 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| UNITED MOTOR PRODUCTS Fits: all 2015 Optima engines | CON222 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS Fits: all 2015 Optima engines | 2701119 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS Fits: all 2015 Optima engines | 1P2657 | 🇺🇸 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.
5 Manifold Pressure (MAP) Sensor Connector parts are listed for the 2015 Kia Optima, from STANDARD MOTOR PRODUCTS, ROSTRA, UNITED MOTOR PRODUCTS and 2 other brands. STANDARD MOTOR PRODUCTS S1461 carries the "Popular" badge. All of them fit every engine offered in the 2015 Optima.
Listed part numbers: STANDARD MOTOR PRODUCTS S1461, ROSTRA 610351 and UNITED MOTOR PRODUCTS CON222, plus the other parts above.
Oil Pressure Sender / Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | S3077 | 🇺🇸 US 🇨🇦 CA | 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: 2.0L L4 Turbocharged | S3134 | 🇺🇸 US 🇨🇦 CA | Downstream Sensor | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | S1419 | 🇺🇸 US 🇨🇦 CA | 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 2015 Kia Optima. 1 part fits every engine; the other 1 is engine-specific.
Listed part numbers: STANDARD MOTOR PRODUCTS S3134 and STANDARD MOTOR PRODUCTS S1419.
Parking Aid Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | S2822 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalHarness Length | 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 2015 Kia Optima — STANDARD MOTOR PRODUCTS S2822.
Radiator Fan Resistor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged | S3162 | 🇺🇸 US 🇨🇦 CA | Harness LengthCM: 37 | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | S3326 | 🇺🇸 US 🇨🇦 CA | 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 2015 Kia Optima. 1 part fits every engine; the other 1 is engine-specific.
Listed part numbers: STANDARD MOTOR PRODUCTS S3162 and STANDARD MOTOR PRODUCTS S3326.
Radio Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| METRA Popular Fits: all 2015 Optima engines | 707304 | 🇺🇸 US 🇨🇦 CA | TURBOWireWire Harness | View on Amazon |
| METRA Popular Fits: all 2015 Optima engines | AXUSBHK2 | 🇺🇸 US 🇨🇦 CA | USB Adapter Cable Harness | View on Amazon |
| METRA Fits: all 2015 Optima engines | 717304 | 🇺🇸 US 🇨🇦 CA | OEM Radio HarnessFor OEM Radio | View on Amazon |
| METRA Fits: all 2015 Optima engines | AXBUCHHK1 | 🇺🇸 US 🇨🇦 CA | Radio Backup Camera Wiring Harness | View on Amazon |
| METRA Fits: all 2015 Optima engines | AXBUCHHK2 | 🇺🇸 US 🇨🇦 CA | Radio Backup Camera Wiring Harness | View on Amazon |
| METRA Fits: all 2015 Optima engines | AXBUCH6VHK1 | 🇺🇸 US 🇨🇦 CA | Radio Backup Camera Wiring HarnessIncludes 12 Volt To 6 Volt Converter | View on Amazon |
| METRA Fits: all 2015 Optima engines | AXBUCH6VHK2 | 🇺🇸 US 🇨🇦 CA | Radio Backup Camera Wiring HarnessIncludes 12 Volt To 6 Volt Converter | 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.
7 Radio Connector parts for the 2015 Kia Optima come from METRA. The "Popular" part is METRA 707304. Every part fits all 3 engine options (2.0L L4 Turbocharged, 2.4L L4 and 2.4L L4 ELECTRIC/GAS).
This group includes METRA 707304, METRA AXUSBHK2 and METRA 717304 and the remaining parts above.
Starter Motor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | S706 | 🇺🇸 US 🇨🇦 CA | Connector Shape: PolygonLength (In): 0.875 | View on Amazon |
This table covers the harness connectors at the Starter 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 2015 Kia Optima — STANDARD MOTOR PRODUCTS S706.
Temperature Sender / Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | S3099 | 🇺🇸 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.
One part is listed for the 2015 Kia Optima — STANDARD MOTOR PRODUCTS S3099.
Trailer Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CURT Fits: all 2015 Optima engines | 56058 | 🇺🇸 US 🇨🇦 CA | Custom Wiring Harness4-Way Flat | View on Amazon |
| CURT Fits: all 2015 Optima engines | 56314 | 🇺🇸 US 🇨🇦 CA | Custom Wiring Harness4-Way Flat | View on Amazon |
| TEKONSHA Fits: all 2015 Optima engines | 118453 | 🇺🇸 US 🇨🇦 CA | 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.
3 Trailer Connector parts for the 2015 Kia Optima come from 2 brands — CURT and TEKONSHA. Every part fits all 3 engine options (2.0L L4 Turbocharged, 2.4L L4 and 2.4L L4 ELECTRIC/GAS).
Listed part numbers: CURT 56058, CURT 56314 and TEKONSHA 118453.
Vapor Canister Purge Valve / Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | HP4625 | 🇺🇸 US 🇨🇦 CA | HandypackTerminal Type: Blade Terminals | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | S1350 | 🇺🇸 US 🇨🇦 CA | Length (In): 1.125Terminal Type: Blade Terminals | View on Amazon |
| WELLS Fits: all 2015 Optima engines | 1P1479 | 🇺🇸 US 🇨🇦 CA | Gender: MaleWiring Harness Length: 15.5 In | 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.
3 Vapor Canister Purge Valve / Solenoid Connector parts are listed for the 2015 Kia Optima, from STANDARD MOTOR PRODUCTS and WELLS. All of them fit every engine offered in the 2015 Optima.
Part numbers include STANDARD MOTOR PRODUCTS HP4625, STANDARD MOTOR PRODUCTS S1350 and WELLS 1P1479.
Vapor Canister Vent Valve / Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged | HP4625 | 🇺🇸 US 🇨🇦 CA | HandypackTerminal Type: Blade Terminals | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged | S1350 | 🇺🇸 US 🇨🇦 CA | Length (In): 1.125Terminal Type: Blade Terminals | View on Amazon |
| WELLS Fits: all 2015 Optima engines | 1P1479 | 🇺🇸 US 🇨🇦 CA | Gender: MaleWiring Harness Length: 15.5 In | 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.
3 Vapor Canister Vent Valve / Solenoid Connector parts are listed for the 2015 Kia Optima, from STANDARD MOTOR PRODUCTS and WELLS. 1 part fits every engine; the other 2 are engine-specific.
Listed part numbers: STANDARD MOTOR PRODUCTS HP4625, STANDARD MOTOR PRODUCTS S1350 and WELLS 1P1479.
Variable Valve Timing (VVT) Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | S1716 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalWire Gauge (GA): 14 | View on Amazon |
| WALKER PRODUCTS Fits: all 2015 Optima engines | 2701102 | 🇺🇸 US 🇨🇦 CA | Fits Exhaustor Intake | 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.
2 Variable Valve Timing (VVT) Solenoid Connector parts are listed for the 2015 Kia Optima, from STANDARD MOTOR PRODUCTS and WALKER PRODUCTS. All of them fit every engine offered in the 2015 Optima.
This group includes STANDARD MOTOR PRODUCTS S1716 and WALKER PRODUCTS 2701102.
Washer Fluid Level Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | S2921 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalTerminal Type: Blade | View on Amazon |
This table covers the harness connectors at the Washer Fluid Level Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 2015 Kia Optima — STANDARD MOTOR PRODUCTS S2921.
Washer Pump Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2015 Optima engines | S3131 | 🇺🇸 US 🇨🇦 CA | 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 2015 Kia Optima — STANDARD MOTOR PRODUCTS S3131.
Buying Electrical Connector Parts for a 2015 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. Some electrical connector parts fit every engine; others are 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: Radio Connector and Blower Motor Control Module / Resistor Connector .
Frequently Asked Questions
How many electrical connector parts fit the 2015 Kia Optima?
Our catalog currently lists 70 electrical connector parts for the 2015 Kia Optima across 35 subcategories and 14 brands, covering all 3 engine options (2.0L L4 Turbocharged, 2.4L L4 and 2.4L L4 ELECTRIC/GAS). Each part is matched to the engine(s) it fits.
Do electrical connector parts differ between 2015 Kia Optima engines?
Some do. 58 parts fit every engine; the other 12 are engine-specific. Each row (and the filter at the top) shows which. 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 2015 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 2015 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 2015 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 2015 Kia Optima
Electrical Connector Parts for Other Kia Optima 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.