2016 Kia Optima Electrical Connector Parts

Engine:

Showing parts for every engine. Select an engine to see only what fits.

The 2016 Kia Optima has 80 electrical connector parts with verified fitment on this page — 37 part types and 15 brands, covering all 4 engine options (1.6L L4 Turbocharged, 2.0L L4 Turbocharged, 2.4L L4 and 2.4L L4 ELECTRIC/GAS). Each part includes a manufacturer part number and application notes.

On the 2016 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 ABS Wheel Speed Sensor Connector (7 parts), Blower Motor Control Module / Resistor Connector (7 parts) and Radio Connector (7 parts). The other 34 part types cover the remaining 59 parts.

A/C Compressor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Optima engines S3264
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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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.

A/C Refrigerant Pressure Switch Connector

Brand Part Number Markets Notes Buy
FOUR SEASONS Fits: all 2016 Optima engines 37276
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
3 Terminal FemaleRectangular Connector
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GPD Fits: all 2016 Optima engines 1712679
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Pressure Transducer Pigtail
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STANDARD MOTOR PRODUCTS Fits: all 2016 Optima engines S2458
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Connector Shape: OvalWire Gauge (GA): 18, 20
Fitment notes — STANDARD MOTOR PRODUCTS S2458
Connector Shape: OvalWire Gauge (GA): 18, 20
Low PressureCut-Off
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UNITED MOTOR PRODUCTS Fits: all 2016 Optima engines CON205
🇺🇸 US 🇨🇦 CA
Low PressureCut-Off
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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.

ABS Wheel Speed Sensor Connector

Brand Part Number Markets Notes Buy
HOLSTEIN Popular Fits: 1.6L L4 Turbocharged, 2.0L L4 Turbocharged 2ABS3157
🇺🇸 US 🇨🇦 CA
Rear Left
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STANDARD MOTOR PRODUCTS Popular Fits: all 2016 Optima engines S2962
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Fits Front
Fitment notes — STANDARD MOTOR PRODUCTS S2962
Fits:
Front
or:
Rear Leftwith Electric Brake Control
or:
RearLeftwith Electric Brake Control
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BECK/ARNLEY Fits: 1.6L L4 Turbocharged, 2.0L L4 Turbocharged, 2.4L L4 0845157
🇺🇸 US 🇨🇦 CA
Rear Left
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BECK/ARNLEY Fits: 1.6L L4 Turbocharged, 2.0L L4 Turbocharged, 2.4L L4 0845158
🇺🇸 US 🇨🇦 CA
Rear Right
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HOLSTEIN Fits: 1.6L L4 Turbocharged, 2.0L L4 Turbocharged 2ABS3158
🇺🇸 US 🇨🇦 CA
Includes Harness
Fitment notes — HOLSTEIN 2ABS3158
Includes Harness
Rear Right
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WELLS Fits: all 2016 Optima engines 1P3877
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Right
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WELLS Fits: all 2016 Optima engines 1P3874
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Left
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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.

Accelerator Pedal Position Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Optima engines S2815
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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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.

Accessory Power Relay Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Optima engines S1536
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Connector Shape: PolygonWire Gauge (GA): 8, 16
Fitment notes — STANDARD MOTOR PRODUCTS S1536
Connector Shape: PolygonWire Gauge (GA): 8, 16black
In Engine Compartment
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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.

Alternator / Generator Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Optima engines S2533
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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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.

Ambient Air Temperature Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Optima engines S2964
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Connector Shape: Oval
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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.

Blind Spot Detection Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 2.4L L4 ELECTRIC/GAS S3274
🇺🇸 US
Hybrid
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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.

Blower Motor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Optima engines S3205
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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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.

Blower Motor Control Module / Resistor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: all 2016 Optima engines S1785
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Connector Shape: RectangleWiring Harness Length (In): 12.5
Fitment notes — STANDARD MOTOR PRODUCTS S1785
Connector Shape: RectangleWiring Harness Length (In): 12.5
without Automatic Temperature Control
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WELLS Popular Fits: 1.6L L4 Turbocharged, 2.0L L4 Turbocharged, 2.4L L4 1P1565
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
without Automatic Temperature Control
Fitment notes — WELLS 1P1565
without Automatic Temperature Control
SX Limited or SX Modelwithout Automatic Temperature Control
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WELLS Popular Fits: 2.4L L4 ELECTRIC/GAS 1P1789
🇺🇸 US 🇨🇦 CA
Terminal Quantity: 4Wire Quantity: 8
Fitment notes — WELLS 1P1789
Terminal Quantity: 4Wire Quantity: 8
Hybrid or Hybrid EXwith 4 Terminal(s)
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DORMAN Fits: all 2016 Optima engines 645320
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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FOUR SEASONS Fits: 1.6L L4 Turbocharged, 2.0L L4 Turbocharged, 2.4L L4 37260
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
4 Terminal Malewith Female Lock Tab
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HOLSTEIN Fits: all 2016 Optima engines 2HAR0006
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
with Manual Air Conditioning
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UNITED MOTOR PRODUCTS Fits: all 2016 Optima engines CON43
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
with Female Lock Tabwithout Automatic Temperature Control
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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.

Blower Motor Relay Connector

Brand Part Number Markets Notes Buy
GPD Fits: all 2016 Optima engines 1712189
🇺🇸 US 🇨🇦 CA
Blower Motor Resistor Pigtailwith 4 Terminal(s)
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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.

Camshaft Position Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Optima engines S2438
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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ULTRA-POWER Fits: 1.6L L4 Turbocharged 2701089
🇺🇸 US 🇨🇦 CA
Cam Position Sensor Connector
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WALKER PRODUCTS Fits: 1.6L L4 Turbocharged 2701089
🇺🇸 US 🇨🇦 CA
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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.

Computer Control Relay Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Optima engines S1600
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Connector Shape: RectangleContact Terminal Material: Metal
Fitment notes — STANDARD MOTOR PRODUCTS S1600
Connector Shape: RectangleContact Terminal Material: MetalWiring Harness Length (In): 17.75Wiring Harness Length (mm): 450.85Black
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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.

Crankshaft Position Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged S3064
🇺🇸 US 🇨🇦 CA
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STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged, 2.4L L4, 2.4L L4 ELECTRIC/GAS S1038
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Connector Shape: Rectangle
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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.

EGR Valve Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged S2488
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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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.

Fuel Injection Pressure Sensor Connector

Brand Part Number Markets Notes Buy
HOLSTEIN Fits: all 2016 Optima engines 2HAR0060
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Located on Fuel Pump
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STANDARD MOTOR PRODUCTS Fits: all 2016 Optima engines S2316
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Connector Shape: OvalNumber of Splice Connectors Included: 3
Fitment notes — STANDARD MOTOR PRODUCTS S2316
Connector Shape: OvalNumber of Splice Connectors Included: 3
Located on Fuel Pump
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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.

Fuel Injector Connector

Brand Part Number Markets Notes Buy
GB REMANUFACTURING Fits: 2.4L L4 ELECTRIC/GAS 5187
🇺🇸 US 🇨🇦 CA
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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.

Fuel Pump / Circuit Opening Relay Connector

Brand Part Number Markets Notes Buy
WELLS Fits: all 2016 Optima engines 1P4004
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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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.

Fuel Pump Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged HP4325
🇺🇸 US 🇨🇦 CA
HandypackConnector Shape: Rectangle
Fitment notes — STANDARD MOTOR PRODUCTS HP4325
HandypackConnector Shape: RectangleHarness Length16-1/2 "Terminal Type: Blade
High Pressure
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STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged S1024
🇺🇸 US 🇨🇦 CA
Connector Shape: RectangleHarness Length
Fitment notes — STANDARD MOTOR PRODUCTS S1024
Connector Shape: RectangleHarness Length16-1/2 "Terminal Type: Blade
High Pressure
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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.

Fuel Sending Unit Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Optima engines S2827
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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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.

Fuel Tank Pressure Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged S3121
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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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.

Ignition Coil Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged, 2.0L L4 Turbocharged, 2.4L L4 S2894
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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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.

Knock / Detonation Sensor Connector

Brand Part Number Markets Notes Buy
ACDELCO Fits: 2.4L L4, 2.4L L4 ELECTRIC/GAS PT2309
🇺🇸 US 🇨🇦 CA
Gold
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STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged HP4325
🇺🇸 US 🇨🇦 CA
HandypackConnector Shape: Rectangle
Fitment notes — STANDARD MOTOR PRODUCTS HP4325
HandypackConnector Shape: RectangleHarness Length16-1/2 "Terminal Type: Blade
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STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged S1024
🇺🇸 US 🇨🇦 CA
Connector Shape: RectangleHarness Length
Fitment notes — STANDARD MOTOR PRODUCTS S1024
Connector Shape: RectangleHarness Length16-1/2 "Terminal Type: Blade
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STANDARD MOTOR PRODUCTS Fits: 2.4L L4, 2.4L L4 ELECTRIC/GAS HP4750
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
HandypackConnector Shape: Oval
Fitment notes — STANDARD MOTOR PRODUCTS HP4750
HandypackConnector Shape: OvalHarness Lengthinches: 12
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STANDARD MOTOR PRODUCTS Fits: 2.4L L4, 2.4L L4 ELECTRIC/GAS S578
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Connector Shape: OvalGauge: 18
Fitment notes — STANDARD MOTOR PRODUCTS S578
Connector Shape: OvalGauge: 18Harness Lengthinches: 12Terminal Gender: Female
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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.

Manifold Pressure (MAP) Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged, 2.4L L4, 2.4L L4 ELECTRIC/GAS S1461
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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UNITED MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged, 2.4L L4, 2.4L L4 ELECTRIC/GAS CON222
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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WALKER PRODUCTS Fits: all 2016 Optima engines 2701119
🇺🇸 US 🇨🇦 CA
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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.

Oil Pressure Sender / Switch Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Optima engines S3077
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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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.

Oxygen (O2) Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged S3133
🇺🇸 US 🇨🇦 CA
Downstream Sensor
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STANDARD MOTOR PRODUCTS Fits: all 2016 Optima engines S1419
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Connector Shape: OvalGender: Female
Fitment notes — STANDARD MOTOR PRODUCTS S1419
Connector Shape: OvalGender: FemaleLength (In): 1.125
Upstream Sensor
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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.

Park Assist (PAS) Camera Connector

Brand Part Number Markets Notes Buy
METRA Fits: all 2016 Optima engines AXHYKIACAM1
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Back-Up Camera Retention Harness
Fitment notes — METRA AXHYKIACAM1
Back-Up Camera Retention Harness
May Require AX-CAM6Vwith NAV
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METRA Fits: all 2016 Optima engines AXHYKIACAM16V
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Back-Up Camera Harness
Fitment notes — METRA AXHYKIACAM16V
Back-Up Camera Harness
with 12 Volt To 6 Volt converterwithout Navigation
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METRA Fits: all 2016 Optima engines AXHYKIACAM2
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Back-Up Camera Retention Harness
Fitment notes — METRA AXHYKIACAM2
Back-Up Camera Retention Harness
May Require AX-CAM6V
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METRA Fits: all 2016 Optima engines AXHYKIACAM26V
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Back-Up Camera Harness
Fitment notes — METRA AXHYKIACAM26V
Back-Up Camera Harness
with 6V converterwith Navigation
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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.

Parking Aid Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Optima engines S3223
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear
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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.

Radiator Fan Resistor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Optima engines S3326
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged S3162
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Harness LengthCM: 37
Fitment notes — STANDARD MOTOR PRODUCTS S3162
Harness LengthCM: 37
with 3 Blade Terminals
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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.

Radio Connector

Brand Part Number Markets Notes Buy
METRA Popular Fits: all 2016 Optima engines 707304
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
TURBOWireWire Harness
Fitment notes — METRA 707304
TURBOWireWire HarnessFor Aftermarket Radio
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METRA Popular Fits: all 2016 Optima engines AXUSBHK2
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
USB Adapter Cable Harness
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METRA Fits: all 2016 Optima engines 717304
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
OEM Radio HarnessFor OEM Radio
Fitment notes — METRA 717304
OEM Radio HarnessFor OEM Radio
Plugs Into OEM RadioFully Terminated
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METRA Fits: all 2016 Optima engines AXBUCHHK1
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Radio Backup Camera Wiring Harness
Fitment notes — METRA AXBUCHHK1
Radio Backup Camera Wiring Harness
with NAV
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METRA Fits: all 2016 Optima engines AXBUCHHK2
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Radio Backup Camera Wiring Harness
Fitment notes — METRA AXBUCHHK2
Radio Backup Camera Wiring Harness
without navigation
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METRA Fits: all 2016 Optima engines AXBUCH6VHK1
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Radio Backup Camera Wiring HarnessIncludes 12 Volt To 6 Volt Converter
Fitment notes — METRA AXBUCH6VHK1
Radio Backup Camera Wiring HarnessIncludes 12 Volt To 6 Volt Converter
with NAV
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METRA Fits: all 2016 Optima engines AXBUCH6VHK2
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Radio Backup Camera Wiring HarnessIncludes 12 Volt To 6 Volt Converter
Fitment notes — METRA AXBUCH6VHK2
Radio Backup Camera Wiring HarnessIncludes 12 Volt To 6 Volt Converter
without navigation
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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.

Temperature Sender / Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged S3094
🇺🇸 US 🇨🇦 CA
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STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged, 2.4L L4, 2.4L L4 ELECTRIC/GAS S3099
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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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.

Throttle Control Actuator Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged S2817
🇺🇸 US 🇨🇦 CA
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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.

Trailer Connector

Brand Part Number Markets Notes Buy
CURT Fits: 1.6L L4 Turbocharged, 2.4L L4, 2.4L L4 ELECTRIC/GAS 56314
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Custom Wiring Harness4-Way Flat
Fitment notes — CURT 56314
Custom Wiring Harness4-Way FlatTail Light Circuits: 6.0 Amp
Circuit Protected3-Wire System
Hybrid or Hybrid EXCircuit Protected3-Wire System
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TEKONSHA Fits: all 2016 Optima engines 118453
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
T-One Connector Assemblywith Upgraded Converter
Fitment notes — TEKONSHA 118453
T-One Connector Assemblywith Upgraded Converter
Drilling Required
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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.

Vapor Canister Purge Valve / Solenoid Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Optima engines HP4625
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
HandypackTerminal Type: Blade Terminals
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STANDARD MOTOR PRODUCTS Fits: all 2016 Optima engines S1350
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Length (In): 1.125Terminal Type: Blade Terminals
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STANDARD MOTOR PRODUCTS Fits: all 2016 Optima engines S1414
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Connector Shape: RectangleTerminal Type: Blade
Fitment notes — STANDARD MOTOR PRODUCTS S1414
Connector Shape: RectangleTerminal Type: BladeWiring Harness Length (mm): 476.25
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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.

Vapor Canister Vent Valve / Solenoid Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Optima engines HP4625
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
HandypackTerminal Type: Blade Terminals
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STANDARD MOTOR PRODUCTS Fits: all 2016 Optima engines S1350
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Length (In): 1.125Terminal Type: Blade Terminals
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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.

Variable Valve Timing (VVT) Solenoid Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged, 2.4L L4, 2.4L L4 ELECTRIC/GAS S1716
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Connector Shape: OvalWire Gauge (GA): 14
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WALKER PRODUCTS Fits: all 2016 Optima engines 2701102
🇺🇸 US 🇨🇦 CA
Incl.Oil Control Valve
Fitment notes — WALKER PRODUCTS 2701102
Incl.Oil Control Valve
Incl.Oil Control ValveExhaust
Fits:
Incl.Oil Control ValveExhaustor Incl.Oil Control ValveIntake
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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.

Washer Pump Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Optima engines S1530
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Connector Shape: OvalHarness Length
Fitment notes — STANDARD MOTOR PRODUCTS S1530
Connector Shape: OvalHarness LengthInches: 17Splice Connectors Included: Noblack
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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.

Buying Electrical Connector Parts for a 2016 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: ABS Wheel Speed Sensor Connector and Blower Motor Control Module / Resistor Connector .

Frequently Asked Questions

How many electrical connector parts fit the 2016 Kia Optima?

Our catalog currently lists 80 electrical connector parts for the 2016 Kia Optima across 37 subcategories and 15 brands, covering all 4 engine options (1.6L L4 Turbocharged, 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 2016 Kia Optima engines?

Some do. 48 parts fit every engine; the other 32 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 2016 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 2016 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 2016 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 2016 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.