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.
The 2005 Kia Optima was sold with both the 2.4L L4 and the 2.7L V6. 69 parts fit every engine; the other 47 are engine-specific. Each part shows which engine(s) it fits.
16 brands supply electrical connector parts for the 2005 Kia Optima, led by STANDARD MOTOR PRODUCTS (44 parts), WELLS (22 parts) and ROSTRA (13 parts), plus 13 more brands.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2005 Kia Optima. 18 parts have it, including STANDARD MOTOR PRODUCTS HP3860 (Air Intake / Charge Temperature Sensor Connector) and GPD 1712189 (Blower Motor Control Module / Resistor Connector). Each part number opens a page with every vehicle that part fits.
ABS Wheel Speed Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines | S2940 | 🇺🇸 US | Connector Shape: Trapezoidal | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines | S2962 | 🇺🇸 US | Front | View on Amazon |
This table covers the harness connectors at each ABS wheel-speed sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
2 ABS Wheel Speed Sensor Connector parts for the 2005 Kia Optima come from STANDARD MOTOR PRODUCTS. Every part fits both the 2.4L L4 and the 2.7L V6.
Listed part numbers: STANDARD MOTOR PRODUCTS S2940 and STANDARD MOTOR PRODUCTS S2962.
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 | View on Amazon |
| ACDELCO Fits: 2.7L V6 | PT2164 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.7L V6 | S697 | 🇺🇸 US | Connector Shape: RectangleHarness Length | View on Amazon |
| WALKER PRODUCTS Fits: 2.7L V6 | 2701034 | 🇺🇸 US | View on Amazon | |
| WELLS Fits: all 2005 Optima engines | 1P1347 | 🇺🇸 US | Wire Gauge Measurement: 18 | View on Amazon |
This table covers the harness connectors at the Air Intake / Charge Temperature Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
5 Air Intake / Charge Temperature Sensor Connector parts are listed for the 2005 Kia Optima, from STANDARD MOTOR PRODUCTS, ACDELCO, WALKER PRODUCTS and 1 other brand. STANDARD MOTOR PRODUCTS HP3860 carries the "Popular" badge. 1 part fits every engine; the other 4 are engine-specific.
This group includes STANDARD MOTOR PRODUCTS HP3860, ACDELCO PT2164 and STANDARD MOTOR PRODUCTS S697 and the remaining parts above.
Ambient Air Temperature Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines | HP4400 | 🇺🇸 US | Handypack | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines | S612 | 🇺🇸 US | View on Amazon | |
| UNITED MOTOR PRODUCTS Fits: all 2005 Optima engines | CON106 | 🇺🇸 US | HLMH | 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.
3 Ambient Air Temperature Sensor Connector parts for the 2005 Kia Optima come from 2 brands — STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS. Every part fits both the 2.4L L4 and the 2.7L V6.
Part numbers include STANDARD MOTOR PRODUCTS HP4400, STANDARD MOTOR PRODUCTS S612 and UNITED MOTOR PRODUCTS CON106.
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) | View on Amazon |
| WELLS Popular Fits: all 2005 Optima engines | 1P1789 | 🇺🇸 US | Terminal Quantity: 4Wire Quantity: 8 | View on Amazon |
| FOUR SEASONS Fits: all 2005 Optima engines | 70061 | 🇺🇸 US | 3 Terminal Male | View on Amazon |
| FOUR SEASONS Fits: all 2005 Optima engines | 37257 | 🇺🇸 US | 4 Terminal Male | View on Amazon |
| HOLSTEIN Fits: all 2005 Optima engines | 2HAR0001 | 🇺🇸 US | View on Amazon | |
| ROSTRA Fits: all 2005 Optima engines | 610069 | 🇺🇸 US | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines | HP4145 | 🇺🇸 US | HandypackConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines | S1519 | 🇺🇸 US | Connector Shape: RectangleContact Terminal Material: Metal | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines | S1519HT | 🇺🇸 US | Black | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: all 2005 Optima engines | CON24 | 🇺🇸 US | Terminal Gender: FemaleTerminal Quantity: 4 | 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.
10 Blower Motor Control Module / Resistor Connector parts are listed for the 2005 Kia Optima, from STANDARD MOTOR PRODUCTS, FOUR SEASONS, GPD and 4 other brands. GPD 1712189 carries the "Popular" badge. All of them fit every engine offered in the 2005 Optima.
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 | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: all 2005 Optima engines | CON24 | 🇺🇸 US | Terminal Gender: FemaleTerminal Quantity: 4 | View on Amazon |
| WELLS Fits: all 2005 Optima engines | 1P1789 | 🇺🇸 US | Terminal Quantity: 4Wire Quantity: 8 | View on Amazon |
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.
3 Brake Light Switch Connector parts are listed for the 2005 Kia Optima, from STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and WELLS. All of them fit every engine offered in the 2005 Optima.
Listed part numbers: STANDARD MOTOR PRODUCTS S1785, UNITED MOTOR PRODUCTS CON24 and WELLS 1P1789.
Cabin Air Temperature Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 2005 Optima engines | 1P1095 | 🇺🇸 US | with 2 Terminals | View on Amazon |
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.
One part is listed for the 2005 Kia Optima — WELLS 1P1095.
Camshaft Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular Fits: 2.4L L4 | SKS1681 | 🇺🇸 US | Fits Blackor 3 Terminal Female | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 2.4L L4 | S1681 | 🇺🇸 US | Black | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 2.7L V6 | HP3975 | 🇺🇸 US | Handy PackBlack | View on Amazon |
| WELLS Popular Fits: 2.7L V6 | 1P1421 | 🇺🇸 US | Wiring Harness Length: 9.43 In | View on Amazon |
| FAMOUS BRAND Fits: 2.4L L4 | PTA1144 | 🇺🇸 US 🇨🇦 CA | Cam Position Sensor Connector | View on Amazon |
| ROSTRA Fits: 2.4L L4 | 610200 | 🇺🇸 US | View on Amazon | |
| ROSTRA Fits: 2.7L V6 | 610105 | 🇺🇸 US | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 2.7L V6 | S745 | 🇺🇸 US | Connector Shape: Rectangleblack | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 2.4L L4 | CON34 | 🇺🇸 US | Terminal Gender: Female | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 2.7L V6 | CON149 | 🇺🇸 US | View on Amazon | |
| WALKER PRODUCTS Fits: 2.4L L4 | 2701094 | 🇺🇸 US | Includes O-Ring, Seal | View on Amazon |
| WALKER PRODUCTS Fits: 2.7L V6 | 2701087 | 🇺🇸 US | View on Amazon | |
| WELLS Fits: 2.4L L4 | 1P2656 | 🇺🇸 US | View on Amazon |
This table covers the harness connectors at the Camshaft Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
13 Camshaft Position Sensor Connector parts for the 2005 Kia Optima come from 7 brands — STANDARD MOTOR PRODUCTS, WELLS, ROSTRA and 4 other brands. The "Popular" part is SKP SKS1681.
Crankshaft Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S2329 | 🇺🇸 US | Connector Shape: Triangular | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.7L V6 | S3153 | 🇺🇸 US | Connector Shape: Rectangle | View on Amazon |
| ULTRA-POWER Fits: 2.4L L4 | 2701073 | 🇺🇸 US 🇨🇦 CA | Crank Position Sensor Connector | View on Amazon |
| WALKER PRODUCTS Fits: 2.4L L4 | 2701073 | 🇺🇸 US | 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.
4 Crankshaft Position Sensor Connector parts for the 2005 Kia Optima come from 3 brands — STANDARD MOTOR PRODUCTS, ULTRA-POWER and WALKER PRODUCTS.
Listed part numbers: STANDARD MOTOR PRODUCTS S2329, STANDARD MOTOR PRODUCTS S3153 and ULTRA-POWER 2701073, plus the other parts above.
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 | View on Amazon |
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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2896.
Fog / Driving Lamp Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: all 2005 Optima engines | LS254 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: all 2005 Optima engines | HP3960 | 🇺🇸 US | Handy PackBlack | View on Amazon |
| ROSTRA Fits: all 2005 Optima engines | 610270 | 🇺🇸 US | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines | S523 | 🇺🇸 US | Black | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: all 2005 Optima engines | CON66 | 🇺🇸 US | View on Amazon | |
| WALKER PRODUCTS Fits: all 2005 Optima engines | 2701121 | 🇺🇸 US | Terminal Gender: Male | View on Amazon |
| WELLS Fits: all 2005 Optima engines | 1P1476 | 🇺🇸 US | Universal PigtailRight Angle Female Spade Terminal | 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.
7 Fog / Driving Lamp Connector parts for the 2005 Kia Optima come from 6 brands — STANDARD MOTOR PRODUCTS, ACDELCO, ROSTRA and 3 other brands. The "Popular" part is ACDELCO LS254. Every part fits both the 2.4L L4 and the 2.7L V6.
Part numbers include ACDELCO LS254, STANDARD MOTOR PRODUCTS HP3960 and ROSTRA 610270, among others listed above.
Fuel Injector Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GB REMANUFACTURING Fits: all 2005 Optima engines | 5187 | 🇺🇸 US | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines | S2330 | 🇺🇸 US | View on Amazon | |
| WELLS Fits: all 2005 Optima engines | 1P4050 | 🇺🇸 US | 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.
3 Fuel Injector Connector parts for the 2005 Kia Optima come from 3 brands — GB REMANUFACTURING, STANDARD MOTOR PRODUCTS and WELLS. Every part fits both the 2.4L L4 and the 2.7L V6.
Part numbers include GB REMANUFACTURING 5187, STANDARD MOTOR PRODUCTS S2330 and WELLS 1P4050.
Fuel Pump / Circuit Opening Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GMB Fits: all 2005 Optima engines | 5001002 | 🇺🇸 US | Fuel Pump Wiring Harness | 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.
One part is listed for the 2005 Kia Optima — GMB 5001002.
Fuel Tank Pressure Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines | S2212 | 🇺🇸 US | 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.
One part is listed for the 2005 Kia Optima — STANDARD MOTOR PRODUCTS S2212.
Headlamp Wiring Harness / Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines | LWH105 | 🇺🇸 US | Blue StreakHigh Temperature | View on Amazon |
This table covers the wiring-harness connectors at the Headlamp. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape.
One part is listed for the 2005 Kia Optima — STANDARD MOTOR PRODUCTS LWH105.
Idle Air Control (IAC) Valve Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines | HP3975 | 🇺🇸 US | Handy PackBlack | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines | S745 | 🇺🇸 US | Connector Shape: Rectangleblack | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: all 2005 Optima engines | CON149 | 🇺🇸 US | View on Amazon | |
| WELLS Fits: all 2005 Optima engines | 1P1421 | 🇺🇸 US | Wiring Harness Length: 9.43 In | View on Amazon |
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.
4 Idle Air Control (IAC) Valve Connector parts are listed for the 2005 Kia Optima, from STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and WELLS. All of them fit every engine offered in the 2005 Optima.
Listed part numbers: STANDARD MOTOR PRODUCTS HP3975, STANDARD MOTOR PRODUCTS S745 and UNITED MOTOR PRODUCTS CON149, plus the other parts above.
Ignition Coil Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S2982 | 🇺🇸 US | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 2.7L V6 | S3177 | 🇺🇸 US | View on Amazon | |
| WALKER PRODUCTS Fits: 2.4L L4 | 2701078 | 🇺🇸 US | For Cylinder 2,4 | 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.
3 Ignition Coil Connector parts for the 2005 Kia Optima come from 2 brands — STANDARD MOTOR PRODUCTS and WALKER PRODUCTS.
Part numbers include STANDARD MOTOR PRODUCTS S2982, STANDARD MOTOR PRODUCTS S3177 and WALKER PRODUCTS 2701078.
Ignition Misfire Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S2862 | 🇺🇸 US | View on Amazon |
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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2862.
Knock / Detonation Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA Fits: 2.7L V6 | 610728 | 🇺🇸 US | Right | View on Amazon |
| SKP Fits: all 2005 Optima engines | SKS1681 | 🇺🇸 US | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 2.7L V6 | S2411 | 🇺🇸 US | Includes ABS Wheel Speed Sensor Wire Harness | View on Amazon |
| WELLS Fits: 2.7L V6 | 1P2649 | 🇺🇸 US | Right Hand | 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.
4 Knock / Detonation Sensor Connector parts for the 2005 Kia Optima come from 4 brands — ROSTRA, SKP, STANDARD MOTOR PRODUCTS and 1 other brand. 1 part fits every engine; the other 3 are engine-specific.
Listed part numbers: ROSTRA 610728, SKP SKS1681 and STANDARD MOTOR PRODUCTS S2411, plus the other parts above.
Manifold Pressure (MAP) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA Fits: all 2005 Optima engines | 610351 | 🇺🇸 US | View on Amazon | |
| WELLS Fits: 2.4L L4 | 1P2657 | 🇺🇸 US | 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.
2 Manifold Pressure (MAP) Sensor Connector parts for the 2005 Kia Optima come from 2 brands — ROSTRA and WELLS. 1 part fits every engine; the other 1 is engine-specific.
Listed part numbers: ROSTRA 610351 and WELLS 1P2657.
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 | View on Amazon |
| ROSTRA Fits: 2.7L V6 | 610105 | 🇺🇸 US | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 2.7L V6 | HP3975 | 🇺🇸 US | Handy PackBlack | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.7L V6 | S745 | 🇺🇸 US | Connector Shape: Rectangleblack | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 2.7L V6 | CON149 | 🇺🇸 US | View on Amazon |
This table covers the harness connectors at the Mass Air Flow (MAF) Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
5 Mass Air Flow (MAF) Sensor Connector parts are listed for the 2005 Kia Optima, from STANDARD MOTOR PRODUCTS, WELLS, ROSTRA and 1 other brand. WELLS 1P1421 carries the "Popular" badge.
Part numbers include WELLS 1P1421, ROSTRA 610105 and STANDARD MOTOR PRODUCTS HP3975, among others listed above.
Multi-Function Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 2005 Optima engines | 1P1789 | 🇺🇸 US | Terminal Quantity: 4Wire Quantity: 8 | View on Amazon |
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.
One part is listed for the 2005 Kia Optima — WELLS 1P1789.
Oil Pressure Sender / Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines | S1634 | 🇺🇸 US | Black | 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.
One part is listed for the 2005 Kia Optima — STANDARD MOTOR PRODUCTS S1634.
On-Board Diagnostic (OBD) Port Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 2005 Optima engines | 1P1474 | 🇺🇸 US | Universal Type | View on Amazon |
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.
This group shows a single part: WELLS 1P1474.
Oxygen (O2) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.7L V6 | S3134 | 🇺🇸 US | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S3134.
Radio Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| METRA Fits: all 2005 Optima engines | 707301 | 🇺🇸 US | TURBOWireWire Harness | View on Amazon |
| METRA Fits: all 2005 Optima engines | 717301 | 🇺🇸 US | TURBOWireRepair Wire Harness | View on Amazon |
| METRA Fits: all 2005 Optima engines | BT7301LONG | 🇺🇸 US | Parrot Harness | View on Amazon |
This table covers the harness connectors at the Radio. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
METRA supplies the 3 Radio Connector parts for the 2005 Kia Optima. All of them fit every engine offered in the 2005 Optima.
Listed part numbers: METRA 707301, METRA 717301 and METRA BT7301LONG.
Speed Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 2.4L L4 | HP3975 | 🇺🇸 US | Handy PackBlack | View on Amazon |
| WELLS Popular Fits: all 2005 Optima engines | 1P1421 | 🇺🇸 US | Wiring Harness Length: 9.43 In | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S745 | 🇺🇸 US | Connector Shape: Rectangleblack | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines | S1681 | 🇺🇸 US | Black | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: all 2005 Optima engines | CON149 | 🇺🇸 US | Transmission Output | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: all 2005 Optima engines | CON34 | 🇺🇸 US | Terminal Gender: Female | View on Amazon |
| WALKER PRODUCTS Fits: all 2005 Optima engines | 2701094 | 🇺🇸 US | Includes O-Ring, Seal | View on Amazon |
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.
7 Speed Sensor Connector parts are listed for the 2005 Kia Optima, from STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS, WELLS and 1 other brand. STANDARD MOTOR PRODUCTS HP3975 carries the "Popular" badge. 5 parts fit every engine; the other 2 are engine-specific.
Listed part numbers: STANDARD MOTOR PRODUCTS HP3975, WELLS 1P1421 and STANDARD MOTOR PRODUCTS S745, plus the other parts above.
Temperature Sender / Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines | S3094 | 🇺🇸 US | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S3094.
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 | View on Amazon |
| ROSTRA Fits: all 2005 Optima engines | 610105 | 🇺🇸 US | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines | HP3975 | 🇺🇸 US | Handy PackBlack | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines | S745 | 🇺🇸 US | Connector Shape: Rectangleblack | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: all 2005 Optima engines | CON149 | 🇺🇸 US | View on Amazon |
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.
5 Throttle Position Sensor (TPS) Connector parts are listed for the 2005 Kia Optima, from STANDARD MOTOR PRODUCTS, WELLS, ROSTRA and 1 other brand. WELLS 1P1421 carries the "Popular" badge. All of them fit every engine offered in the 2005 Optima.
This group includes WELLS 1P1421, ROSTRA 610105 and STANDARD MOTOR PRODUCTS HP3975 and the remaining parts above.
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 | View on Amazon |
| ROSTRA Fits: all 2005 Optima engines | 610069 | 🇺🇸 US | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines | HP4145 | 🇺🇸 US | HandypackConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines | S1519 | 🇺🇸 US | Connector Shape: RectangleContact Terminal Material: Metal | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: all 2005 Optima engines | CON24 | 🇺🇸 US | Terminal Gender: FemaleTerminal Quantity: 4 | View on Amazon |
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.
5 Transmission-Automatic Axle Relay Connector parts are listed for the 2005 Kia Optima, from STANDARD MOTOR PRODUCTS, WELLS, ROSTRA and 1 other brand. WELLS 1P1789 carries the "Popular" badge. All of them fit every engine offered in the 2005 Optima.
This group includes WELLS 1P1789, ROSTRA 610069 and STANDARD MOTOR PRODUCTS HP4145 and the remaining parts above.
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 | View on Amazon |
| WELLS Popular Fits: 2.7L V6 | 1P1347 | 🇺🇸 US | Wire Gauge Measurement: 18 | View on Amazon |
| ACDELCO Fits: 2.7L V6 | PT2164 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| ROSTRA Fits: 2.7L V6 | 610085 | 🇺🇸 US | Centered Index Slot without Release | View on Amazon |
| ROSTRA Fits: 2.7L V6 | 610049 | 🇺🇸 US | Centered Index Slot with Release | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S1530 | 🇺🇸 US | Connector Shape: OvalHarness Length | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.7L V6 | S697 | 🇺🇸 US | Connector Shape: RectangleHarness Length | View on Amazon |
| WELLS Fits: 2.4L L4 | 1P1876 | 🇺🇸 US | View on Amazon | |
| WELLS Fits: 2.7L V6 | 1P1002 | 🇺🇸 US | Center Index with Release | 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.
9 Vapor Canister Purge Valve / Solenoid Connector parts for the 2005 Kia Optima come from 4 brands — STANDARD MOTOR PRODUCTS, WELLS, ROSTRA and 1 other brand. The "Popular" part is STANDARD MOTOR PRODUCTS HP3860.
This group includes STANDARD MOTOR PRODUCTS HP3860, WELLS 1P1347 and ACDELCO PT2164 and the remaining parts above.
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 | View on Amazon |
| WELLS Popular Fits: all 2005 Optima engines | 1P1347 | 🇺🇸 US | Wire Gauge Measurement: 18 | View on Amazon |
| ACDELCO Fits: all 2005 Optima engines | PT2164 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| ROSTRA Fits: all 2005 Optima engines | 610085 | 🇺🇸 US | Centered Index Slot without Release | View on Amazon |
| ROSTRA Fits: all 2005 Optima engines | 610049 | 🇺🇸 US | Centered Index Slot with Release | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2005 Optima engines | S697 | 🇺🇸 US | Connector Shape: RectangleHarness Length | View on Amazon |
| WELLS Fits: all 2005 Optima engines | 1P1002 | 🇺🇸 US | Center Index with Release | 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.
7 Vapor Canister Vent Valve / Solenoid Connector parts for the 2005 Kia Optima come from 4 brands — STANDARD MOTOR PRODUCTS, WELLS, ROSTRA and 1 other brand. The "Popular" part is STANDARD MOTOR PRODUCTS HP3860. Every part fits both the 2.4L L4 and the 2.7L V6.
Part numbers include STANDARD MOTOR PRODUCTS HP3860, WELLS 1P1347 and ACDELCO PT2164, among others listed above.
Washer Pump Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Fits: all 2005 Optima engines | 399002 | 🇺🇸 US | AccessoryUniversal Switch for Washer Pump System | 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.
This group shows a single part: WAI GLOBAL 399002.
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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