2005 Kia Optima Electrical Connector Parts

Engine:

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

116 Electrical connector parts are listed for the 2005 Kia Optima, in 32 part types, covering both the 2.4L L4 and the 2.7L V6. Each one has a brand, a manufacturer part number and notes that say where it fits.

The connector system on the 2005 Kia Optima supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules. The largest groups are Camshaft Position Sensor Connector (13 parts), Blower Motor Control Module / Resistor Connector (10 parts) and Vapor Canister Purge Valve / Solenoid Connector (9 parts). The other 29 part types cover the remaining 84 parts.

ABS Wheel Speed Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines S2940
🇺🇸 US
Connector Shape: Trapezoidal
Fitment notes — STANDARD MOTOR PRODUCTS S2940
Connector Shape: Trapezoidal
Rear
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STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines S2962
🇺🇸 US
Front
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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.

Air Intake / Charge Temperature Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: 2.7L V6 HP3860
🇺🇸 US
HandypackTerminal Type: Blade
Fitment notes — STANDARD MOTOR PRODUCTS HP3860
HandypackTerminal Type: BladeBlack
Intake Air
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ACDELCO Fits: 2.7L V6 PT2164
🇺🇸 US 🇨🇦 CA
Gold
Fitment notes — ACDELCO PT2164
Gold
Intake Air
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STANDARD MOTOR PRODUCTS Fits: 2.7L V6 S697
🇺🇸 US
Connector Shape: RectangleHarness Length
Fitment notes — STANDARD MOTOR PRODUCTS S697
Connector Shape: RectangleHarness Lengthinches: 8.5Number of Splice Connectors Included: 0Terminal Type: BladeWiring Harness Length (mm): 215.9Black
Intake Air
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WALKER PRODUCTS Fits: 2.7L V6 2701034
🇺🇸 US
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WELLS Fits: all 2005 Optima engines 1P1347
🇺🇸 US
Wire Gauge Measurement: 18
Fitment notes — WELLS 1P1347
Wire Gauge Measurement: 18
with 2 Terminals
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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.

Ambient Air Temperature Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines HP4400
🇺🇸 US
Handypack
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STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines S612
🇺🇸 US
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UNITED MOTOR PRODUCTS Fits: all 2005 Optima engines CON106
🇺🇸 US
HLMH
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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.

Blower Motor Control Module / Resistor Connector

Brand Part Number Markets Notes Buy
GPD Popular Fits: all 2005 Optima engines 1712189
🇺🇸 US
Blower Motor Resistor Pigtailwith 4 Terminal(s)
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WELLS Popular Fits: all 2005 Optima engines 1P1789
🇺🇸 US
Terminal Quantity: 4Wire Quantity: 8
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FOUR SEASONS Fits: all 2005 Optima engines 70061
🇺🇸 US
3 Terminal Male
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FOUR SEASONS Fits: all 2005 Optima engines 37257
🇺🇸 US
4 Terminal Male
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HOLSTEIN Fits: all 2005 Optima engines 2HAR0001
🇺🇸 US
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ROSTRA Fits: all 2005 Optima engines 610069
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines HP4145
🇺🇸 US
HandypackConnector Shape: Rectangle
Fitment notes — STANDARD MOTOR PRODUCTS HP4145
HandypackConnector Shape: RectangleBlack
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STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines S1519
🇺🇸 US
Connector Shape: RectangleContact Terminal Material: Metal
Fitment notes — STANDARD MOTOR PRODUCTS S1519
Connector Shape: RectangleContact Terminal Material: MetalWiring Harness Length (In): 9Black
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STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines S1519HT
🇺🇸 US
Black
Fitment notes — STANDARD MOTOR PRODUCTS S1519HT
Black
Front and Rearwith High Temperature
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UNITED MOTOR PRODUCTS Fits: all 2005 Optima engines CON24
🇺🇸 US
Terminal Gender: FemaleTerminal Quantity: 4
Fitment notes — UNITED MOTOR PRODUCTS CON24
Terminal Gender: FemaleTerminal Quantity: 4Terminal Type: Blade
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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.

Brake Light Switch Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines S1785
🇺🇸 US
Connector Shape: RectangleWiring Harness Length (In): 12.5
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UNITED MOTOR PRODUCTS Fits: all 2005 Optima engines CON24
🇺🇸 US
Terminal Gender: FemaleTerminal Quantity: 4
Fitment notes — UNITED MOTOR PRODUCTS CON24
Terminal Gender: FemaleTerminal Quantity: 4Terminal Type: Blade
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WELLS Fits: all 2005 Optima engines 1P1789
🇺🇸 US
Terminal Quantity: 4Wire Quantity: 8
Fitment notes — WELLS 1P1789
Terminal Quantity: 4Wire Quantity: 8
with 4 Terminals
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This table covers the harness connectors at the Brake Light 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.

Cabin Air Temperature Sensor Connector

Brand Part Number Markets Notes Buy
WELLS Fits: all 2005 Optima engines 1P1095
🇺🇸 US
with 2 Terminals
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This table covers the harness connectors at the Cabin 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.

Camshaft Position Sensor Connector

Brand Part Number Markets Notes Buy
SKP Popular Fits: 2.4L L4 SKS1681
🇺🇸 US
Fits Blackor 3 Terminal Female
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STANDARD MOTOR PRODUCTS Popular Fits: 2.4L L4 S1681
🇺🇸 US
Black
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STANDARD MOTOR PRODUCTS Popular Fits: 2.7L V6 HP3975
🇺🇸 US
Handy PackBlack
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WELLS Popular Fits: 2.7L V6 1P1421
🇺🇸 US
Wiring Harness Length: 9.43 In
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FAMOUS BRAND Fits: 2.4L L4 PTA1144
🇺🇸 US 🇨🇦 CA
Cam Position Sensor Connector
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ROSTRA Fits: 2.4L L4 610200
🇺🇸 US
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ROSTRA Fits: 2.7L V6 610105
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: 2.7L V6 S745
🇺🇸 US
Connector Shape: Rectangleblack
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UNITED MOTOR PRODUCTS Fits: 2.4L L4 CON34
🇺🇸 US
Terminal Gender: Female
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UNITED MOTOR PRODUCTS Fits: 2.7L V6 CON149
🇺🇸 US
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WALKER PRODUCTS Fits: 2.4L L4 2701094
🇺🇸 US
Includes O-Ring, Seal
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WALKER PRODUCTS Fits: 2.7L V6 2701087
🇺🇸 US
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WELLS Fits: 2.4L L4 1P2656
🇺🇸 US
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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.

Crankshaft Position Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 2.4L L4 S2329
🇺🇸 US
Connector Shape: Triangular
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STANDARD MOTOR PRODUCTS Fits: 2.7L V6 S3153
🇺🇸 US
Connector Shape: Rectangle
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ULTRA-POWER Fits: 2.4L L4 2701073
🇺🇸 US 🇨🇦 CA
Crank Position Sensor Connector
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WALKER PRODUCTS Fits: 2.4L L4 2701073
🇺🇸 US
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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 Control Solenoid / Motor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 2.4L L4 S2896
🇺🇸 US
Gender: MaleTerminal Type: Blade
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This table covers the harness connectors at the EGR Valve Control Solenoid / 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.

Fog / Driving Lamp Connector

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: all 2005 Optima engines LS254
🇺🇸 US 🇨🇦 CA
Gold
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STANDARD MOTOR PRODUCTS Popular Fits: all 2005 Optima engines HP3960
🇺🇸 US
Handy PackBlack
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ROSTRA Fits: all 2005 Optima engines 610270
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines S523
🇺🇸 US
Black
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UNITED MOTOR PRODUCTS Fits: all 2005 Optima engines CON66
🇺🇸 US
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WALKER PRODUCTS Fits: all 2005 Optima engines 2701121
🇺🇸 US
Terminal Gender: Male
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WELLS Fits: all 2005 Optima engines 1P1476
🇺🇸 US
Universal PigtailRight Angle Female Spade Terminal
Fitment notes — WELLS 1P1476
Universal PigtailRight Angle Female Spade TerminalOne 12ga. 12" Lead
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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.

Fuel Injector Connector

Brand Part Number Markets Notes Buy
GB REMANUFACTURING Fits: all 2005 Optima engines 5187
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines S2330
🇺🇸 US
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WELLS Fits: all 2005 Optima engines 1P4050
🇺🇸 US
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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
GMB Fits: all 2005 Optima engines 5001002
🇺🇸 US
Fuel Pump Wiring Harness
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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 Tank Pressure Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines S2212
🇺🇸 US
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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.

Headlamp Wiring Harness / Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines LWH105
🇺🇸 US
Blue StreakHigh Temperature
Fitment notes — STANDARD MOTOR PRODUCTS LWH105
Blue StreakHigh Temperature
with H7 Bulb
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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.

Idle Air Control (IAC) Valve Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines HP3975
🇺🇸 US
Handy PackBlack
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STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines S745
🇺🇸 US
Connector Shape: Rectangleblack
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UNITED MOTOR PRODUCTS Fits: all 2005 Optima engines CON149
🇺🇸 US
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WELLS Fits: all 2005 Optima engines 1P1421
🇺🇸 US
Wiring Harness Length: 9.43 In
Fitment notes — WELLS 1P1421
Wiring Harness Length: 9.43 In
with 3 Terminals
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This table covers the harness connectors at the Idle Air Control (IAC) 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.

Ignition Coil Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 2.4L L4 S2982
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: 2.7L V6 S3177
🇺🇸 US
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WALKER PRODUCTS Fits: 2.4L L4 2701078
🇺🇸 US
For Cylinder 2,4
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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.

Ignition Misfire Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 2.4L L4 S2862
🇺🇸 US
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This table covers the harness connectors at the Ignition Misfire 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.

Knock / Detonation Sensor Connector

Brand Part Number Markets Notes Buy
ROSTRA Fits: 2.7L V6 610728
🇺🇸 US
Right
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SKP Fits: all 2005 Optima engines SKS1681
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: 2.7L V6 S2411
🇺🇸 US
Includes ABS Wheel Speed Sensor Wire Harness
Fitment notes — STANDARD MOTOR PRODUCTS S2411
Includes ABS Wheel Speed Sensor Wire Harness
LEFT BANK
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WELLS Fits: 2.7L V6 1P2649
🇺🇸 US
Right Hand
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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
ROSTRA Fits: all 2005 Optima engines 610351
🇺🇸 US
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WELLS Fits: 2.4L L4 1P2657
🇺🇸 US
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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.

Mass Air Flow (MAF) Sensor Connector

Brand Part Number Markets Notes Buy
WELLS Popular Fits: 2.7L V6 1P1421
🇺🇸 US
Wiring Harness Length: 9.43 In
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ROSTRA Fits: 2.7L V6 610105
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: 2.7L V6 HP3975
🇺🇸 US
Handy PackBlack
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STANDARD MOTOR PRODUCTS Fits: 2.7L V6 S745
🇺🇸 US
Connector Shape: Rectangleblack
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UNITED MOTOR PRODUCTS Fits: 2.7L V6 CON149
🇺🇸 US
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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.

Multi-Function Relay Connector

Brand Part Number Markets Notes Buy
WELLS Fits: all 2005 Optima engines 1P1789
🇺🇸 US
Terminal Quantity: 4Wire Quantity: 8
Fitment notes — WELLS 1P1789
Terminal Quantity: 4Wire Quantity: 8
with 4 Terminals
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This table covers the harness connectors at the Multi-Function 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.

Oil Pressure Sender / Switch Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines S1634
🇺🇸 US
Black
Fitment notes — STANDARD MOTOR PRODUCTS S1634
Black
with 1 Female Terminals
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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.

On-Board Diagnostic (OBD) Port Connector

Brand Part Number Markets Notes Buy
WELLS Fits: all 2005 Optima engines 1P1474
🇺🇸 US
Universal Type
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This table covers the harness connectors at the On-Board Diagnostic (OBD) Port. 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: 2.7L V6 S3134
🇺🇸 US
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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.

Radio Connector

Brand Part Number Markets Notes Buy
METRA Fits: all 2005 Optima engines 707301
🇺🇸 US
TURBOWireWire Harness
Fitment notes — METRA 707301
TURBOWireWire HarnessFor Aftermarket Radio
Plugs Into Car Harness At RadioFor Power/4-Speaker
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METRA Fits: all 2005 Optima engines 717301
🇺🇸 US
TURBOWireRepair Wire Harness
Fitment notes — METRA 717301
TURBOWireRepair Wire HarnessFor OEM Radio
Plugs Into OEM RadioFor Power/4-Speaker
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METRA Fits: all 2005 Optima engines BT7301LONG
🇺🇸 US
Parrot Harness
Fitment notes — METRA BT7301LONG
Parrot Harness
BLUETOOTH
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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.

Speed Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: 2.4L L4 HP3975
🇺🇸 US
Handy PackBlack
Fitment notes — STANDARD MOTOR PRODUCTS HP3975
Handy PackBlack
Transmission Output
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WELLS Popular Fits: all 2005 Optima engines 1P1421
🇺🇸 US
Wiring Harness Length: 9.43 In
Fitment notes — WELLS 1P1421
Wiring Harness Length: 9.43 In
Fits:
with 3 Terminalsor with 3 Terminal(s)Transmission Output
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STANDARD MOTOR PRODUCTS Fits: 2.4L L4 S745
🇺🇸 US
Connector Shape: Rectangleblack
Fitment notes — STANDARD MOTOR PRODUCTS S745
Connector Shape: Rectangleblack
Transmission Output
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STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines S1681
🇺🇸 US
Black
Fitment notes — STANDARD MOTOR PRODUCTS S1681
Black
Transmission Input
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UNITED MOTOR PRODUCTS Fits: all 2005 Optima engines CON149
🇺🇸 US
Transmission Output
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UNITED MOTOR PRODUCTS Fits: all 2005 Optima engines CON34
🇺🇸 US
Terminal Gender: Female
Fitment notes — UNITED MOTOR PRODUCTS CON34
Terminal Gender: Female
Automatic trans.Transmission Input
Transmission Input
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WALKER PRODUCTS Fits: all 2005 Optima engines 2701094
🇺🇸 US
Includes O-Ring, Seal
Fitment notes — WALKER PRODUCTS 2701094
Includes O-Ring, Seal
Automatic trans.Transmission Input Shaft Speed Sensor
Transmission Input Shaft Speed Sensor
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This table covers the harness connectors at the 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.

Temperature Sender / Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines S3094
🇺🇸 US
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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 Position Sensor (TPS) Connector

Brand Part Number Markets Notes Buy
WELLS Popular Fits: all 2005 Optima engines 1P1421
🇺🇸 US
Wiring Harness Length: 9.43 In
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ROSTRA Fits: all 2005 Optima engines 610105
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines HP3975
🇺🇸 US
Handy PackBlack
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STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines S745
🇺🇸 US
Connector Shape: Rectangleblack
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UNITED MOTOR PRODUCTS Fits: all 2005 Optima engines CON149
🇺🇸 US
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This table covers the harness connectors at the Throttle Position Sensor (TPS). 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.

Transmission-Automatic Axle Relay Connector

Brand Part Number Markets Notes Buy
WELLS Popular Fits: all 2005 Optima engines 1P1789
🇺🇸 US
Terminal Quantity: 4Wire Quantity: 8
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ROSTRA Fits: all 2005 Optima engines 610069
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines HP4145
🇺🇸 US
HandypackConnector Shape: Rectangle
Fitment notes — STANDARD MOTOR PRODUCTS HP4145
HandypackConnector Shape: RectangleBlack
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STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines S1519
🇺🇸 US
Connector Shape: RectangleContact Terminal Material: Metal
Fitment notes — STANDARD MOTOR PRODUCTS S1519
Connector Shape: RectangleContact Terminal Material: MetalWiring Harness Length (In): 9Black
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UNITED MOTOR PRODUCTS Fits: all 2005 Optima engines CON24
🇺🇸 US
Terminal Gender: FemaleTerminal Quantity: 4
Fitment notes — UNITED MOTOR PRODUCTS CON24
Terminal Gender: FemaleTerminal Quantity: 4Terminal Type: Blade
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This table covers the harness connectors at the Transmission-Automatic Axle 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.

Vapor Canister Purge Valve / Solenoid Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: 2.7L V6 HP3860
🇺🇸 US
HandypackTerminal Type: Blade
Fitment notes — STANDARD MOTOR PRODUCTS HP3860
HandypackTerminal Type: BladeBlack
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WELLS Popular Fits: 2.7L V6 1P1347
🇺🇸 US
Wire Gauge Measurement: 18
Fitment notes — WELLS 1P1347
Wire Gauge Measurement: 18
Center Index without Release
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ACDELCO Fits: 2.7L V6 PT2164
🇺🇸 US 🇨🇦 CA
Gold
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ROSTRA Fits: 2.7L V6 610085
🇺🇸 US
Centered Index Slot without Release
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ROSTRA Fits: 2.7L V6 610049
🇺🇸 US
Centered Index Slot with Release
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STANDARD MOTOR PRODUCTS Fits: 2.4L L4 S1530
🇺🇸 US
Connector Shape: OvalHarness Length
Fitment notes — STANDARD MOTOR PRODUCTS S1530
Connector Shape: OvalHarness LengthInches: 17Splice Connectors Included: Noblack
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STANDARD MOTOR PRODUCTS Fits: 2.7L V6 S697
🇺🇸 US
Connector Shape: RectangleHarness Length
Fitment notes — STANDARD MOTOR PRODUCTS S697
Connector Shape: RectangleHarness Lengthinches: 8.5Number of Splice Connectors Included: 0Terminal Type: BladeWiring Harness Length (mm): 215.9Black
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WELLS Fits: 2.4L L4 1P1876
🇺🇸 US
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WELLS Fits: 2.7L V6 1P1002
🇺🇸 US
Center Index with Release
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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 Popular Fits: all 2005 Optima engines HP3860
🇺🇸 US
HandypackTerminal Type: Blade
Fitment notes — STANDARD MOTOR PRODUCTS HP3860
HandypackTerminal Type: BladeBlack
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WELLS Popular Fits: all 2005 Optima engines 1P1347
🇺🇸 US
Wire Gauge Measurement: 18
Fitment notes — WELLS 1P1347
Wire Gauge Measurement: 18
Center Index without Release
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ACDELCO Fits: all 2005 Optima engines PT2164
🇺🇸 US 🇨🇦 CA
Gold
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ROSTRA Fits: all 2005 Optima engines 610085
🇺🇸 US
Centered Index Slot without Release
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ROSTRA Fits: all 2005 Optima engines 610049
🇺🇸 US
Centered Index Slot with Release
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STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines S697
🇺🇸 US
Connector Shape: RectangleHarness Length
Fitment notes — STANDARD MOTOR PRODUCTS S697
Connector Shape: RectangleHarness Lengthinches: 8.5Number of Splice Connectors Included: 0Terminal Type: BladeWiring Harness Length (mm): 215.9Black
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WELLS Fits: all 2005 Optima engines 1P1002
🇺🇸 US
Center Index with Release
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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.

Washer Pump Connector

Brand Part Number Markets Notes Buy
WAI GLOBAL Fits: all 2005 Optima engines 399002
🇺🇸 US
AccessoryUniversal Switch for Washer Pump System
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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 2005 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: Camshaft Position Sensor Connector and Blower Motor Control Module / Resistor Connector .

Frequently Asked Questions

How many electrical connector parts fit the 2005 Kia Optima?

Our catalog currently lists 116 electrical connector parts for the 2005 Kia Optima across 32 subcategories and 16 brands, covering both the 2.4L L4 and the 2.7L V6. Each part is matched to the engine(s) it fits.

Do electrical connector parts differ between 2005 Kia Optima engines?

Some do. 69 parts fit every engine; the other 47 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 2005 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 2005 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 2005 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 2005 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.