The 2006 Kia Optima has 119 electrical connector parts with verified fitment on this page — 37 part types and 16 brands, covering both the 2.4L L4 and the 2.7L V6. Each part includes a manufacturer part number and application notes.
On the 2006 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 Blower Motor Control Module / Resistor Connector (12 parts), Camshaft Position Sensor Connector (8 parts) and Speed Sensor Connector (8 parts). The other 34 part types cover the remaining 91 parts.
The 2006 Kia Optima was sold with both the 2.4L L4 and the 2.7L V6. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2006 Kia Optima electrical connector parts are STANDARD MOTOR PRODUCTS (45 parts), WELLS (20 parts) and UNITED MOTOR PRODUCTS (14 parts), plus 13 more brands.
17 parts on this 2006 Kia Optima page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including GPD 1712189 (Blower Motor Control Module / Resistor Connector) and SKP SKS656 (Camshaft Position Sensor Connector). Click any part number to see every vehicle that part fits.
A/C Refrigerant Pressure Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Fits: 2.4L L4 | 37276 | 🇺🇸 US | 3 Terminal FemaleRectangular Connector | View on Amazon |
| GPD Fits: 2.4L L4 | 1712679 | 🇺🇸 US | Pressure Transducer Pigtail | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S2458 | 🇺🇸 US | Connector Shape: OvalWire Gauge (GA): 18, 20 | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 2.4L L4 | CON205 | 🇺🇸 US | Low PressureCut-Off | View on Amazon |
This table covers the harness connectors at the A/C Refrigerant Pressure Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
4 A/C Refrigerant Pressure Switch Connector parts for the 2006 Kia Optima come from 4 brands — FOUR SEASONS, GPD, STANDARD MOTOR PRODUCTS and 1 other brand.
Part numbers include FOUR SEASONS 37276, GPD 1712679 and STANDARD MOTOR PRODUCTS S2458, among others listed above.
ABS Wheel Speed Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S2940 | 🇺🇸 US | Connector Shape: Trapezoidal | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S2962 | 🇺🇸 US | Fits FrontEngine VIN 3 | 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.
STANDARD MOTOR PRODUCTS supplies both parts for the 2006 Kia Optima.
This group includes STANDARD MOTOR PRODUCTS S2940 and STANDARD MOTOR PRODUCTS S2962.
Accelerator Pedal Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S2082 | 🇺🇸 US | Wire Gauge (GA): 16 | View on Amazon |
This table covers the harness connectors at the Accelerator Pedal Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 2006 Kia Optima — STANDARD MOTOR PRODUCTS S2082.
Air Intake / Charge Temperature Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: 2.4L L4 | 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.
This group shows a single part: WELLS 1P1347.
Alternator / Generator Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S2533 | 🇺🇸 US | View on Amazon | |
| WELLS Fits: 2.4L L4 | 1P4274 | 🇺🇸 US | View on Amazon |
This table covers the harness connectors at the Alternator / Generator. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
2 Alternator / Generator Connector parts are listed for the 2006 Kia Optima, from STANDARD MOTOR PRODUCTS and WELLS.
This group includes STANDARD MOTOR PRODUCTS S2533 and WELLS 1P4274.
Ambient Air Temperature Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | HP4400 | 🇺🇸 US | Handypack | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S612 | 🇺🇸 US | View on Amazon | |
| UNITED MOTOR PRODUCTS Fits: 2.4L L4 | 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 are listed for the 2006 Kia Optima, from STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS.
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: 2.4L L4 | 1712189 | 🇺🇸 US | Blower Motor Resistor Pigtailwith 4 Terminal(s) | View on Amazon |
| UNITED MOTOR PRODUCTS Popular Fits: 2.4L L4 | CON24 | 🇺🇸 US | Terminal Gender: FemaleTerminal Quantity: 4 | View on Amazon |
| WELLS Popular Fits: 2.4L L4 | 1P1565 | 🇺🇸 US | without Automatic Temperature Control | View on Amazon |
| FOUR SEASONS Fits: 2.4L L4 | 70061 | 🇺🇸 US | 3 Terminal Male | View on Amazon |
| FOUR SEASONS Fits: 2.4L L4 | 37257 | 🇺🇸 US | 4 Terminal MaleBlack | View on Amazon |
| FOUR SEASONS Fits: 2.4L L4 | 37260 | 🇺🇸 US | 4 Terminal MaleWhite | View on Amazon |
| HOLSTEIN Fits: 2.4L L4 | 2HAR0034 | 🇺🇸 US | with Automatic Air Conditioning | View on Amazon |
| HOLSTEIN Fits: 2.4L L4 | 2HAR0006 | 🇺🇸 US | without Automatic Temp Control | View on Amazon |
| ROSTRA Fits: 2.4L L4 | 610069 | 🇺🇸 US | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S2454 | 🇺🇸 US | with Automatic Temperature Control | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S1785 | 🇺🇸 US | Connector Shape: RectangleWiring Harness Length (In): 12.5 | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 2.4L L4 | CON43 | 🇺🇸 US | with Female Lock Tabwithout Automatic Temperature Control | View on Amazon |
This table covers the connectors at the blower resistor or control module. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
12 Blower Motor Control Module / Resistor Connector parts for the 2006 Kia Optima come from 7 brands — FOUR SEASONS, UNITED MOTOR PRODUCTS, HOLSTEIN and 4 other brands. The "Popular" part is GPD 1712189.
Brake Light Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S1785 | 🇺🇸 US | Connector Shape: RectangleWiring Harness Length (In): 12.5 | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 2.4L L4 | CON24 | 🇺🇸 US | Terminal Gender: FemaleTerminal Quantity: 4 | View on Amazon |
| WELLS Fits: 2.4L L4 | 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 for the 2006 Kia Optima come from 3 brands — STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and WELLS.
This group includes STANDARD MOTOR PRODUCTS S1785, UNITED MOTOR PRODUCTS CON24 and WELLS 1P1789.
Cabin Air Temperature Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: 2.4L L4 | 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.
This group shows a single part: WELLS 1P1095.
Camshaft Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular Fits: 2.4L L4 | SKS656 | 🇺🇸 US | Fits Black and Purpl | View on Amazon |
| SKP Popular Fits: 2.4L L4 | SKS1681 | 🇺🇸 US | Fits Blackor 3 Terminal Female | 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 | |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S1681 | 🇺🇸 US | Black | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 2.4L L4 | CON34 | 🇺🇸 US | Terminal Gender: Female | View on Amazon |
| WALKER PRODUCTS Fits: 2.4L L4 | 2701094 | 🇺🇸 US | Includes O-Ring, Seal | 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.
8 Camshaft Position Sensor Connector parts are listed for the 2006 Kia Optima, from SKP, FAMOUS BRAND, ROSTRA and 4 other brands. SKP SKS656 carries the "Popular" badge.
This group includes SKP SKS656, SKP SKS1681 and FAMOUS BRAND PTA1144 and the remaining parts above.
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 |
| ULTRA-POWER Fits: 2.4L L4 | 2701073 | 🇺🇸 US 🇨🇦 CA | Crank Position Sensor Connector6 Engine CODE | View on Amazon |
| WALKER PRODUCTS Fits: 2.4L L4 | 2701073 | 🇺🇸 US | Engine VIN 6 | 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.
3 Crankshaft Position Sensor Connector parts are listed for the 2006 Kia Optima, from STANDARD MOTOR PRODUCTS, ULTRA-POWER and WALKER PRODUCTS.
Part numbers include STANDARD MOTOR PRODUCTS S2329 and ULTRA-POWER 2701073, among others listed above.
Fog / Driving Lamp Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 2.4L L4 | LS254 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 2.4L L4 | HP3960 | 🇺🇸 US | Handy PackBlack | View on Amazon |
| ROSTRA Fits: 2.4L L4 | 610270 | 🇺🇸 US | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S523 | 🇺🇸 US | Black | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 2.4L L4 | CON66 | 🇺🇸 US | View on Amazon | |
| WALKER PRODUCTS Fits: 2.4L L4 | 2701121 | 🇺🇸 US | Terminal Gender: Male | View on Amazon |
| WELLS Fits: 2.4L L4 | 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 are listed for the 2006 Kia Optima, from STANDARD MOTOR PRODUCTS, ACDELCO, ROSTRA and 3 other brands. ACDELCO LS254 carries the "Popular" badge.
Listed part numbers: ACDELCO LS254, STANDARD MOTOR PRODUCTS HP3960 and ROSTRA 610270, plus the other parts above.
Fuel Injector Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GB REMANUFACTURING Fits: 2.4L L4 | 5187 | 🇺🇸 US | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S2330 | 🇺🇸 US | View on Amazon | |
| WELLS Fits: 2.4L L4 | 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 are listed for the 2006 Kia Optima, from GB REMANUFACTURING, STANDARD MOTOR PRODUCTS and WELLS.
Listed part numbers: GB REMANUFACTURING 5187, STANDARD MOTOR PRODUCTS S2330 and WELLS 1P4050.
Fuel Sending Unit Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S2873 | 🇺🇸 US | View on Amazon |
This table covers the harness connectors at the Fuel Sending Unit. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 2006 Kia Optima — STANDARD MOTOR PRODUCTS S2873.
Fuel Tank Pressure Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular Fits: 2.4L L4 | SKS656 | 🇺🇸 US | Fits Black and Purpl | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 2.4L L4 | HP4240 | 🇺🇸 US | HandypackConnector Shape: Oval | View on Amazon |
| ACDELCO Fits: 2.4L L4 | PT1910 | 🇺🇸 US 🇨🇦 CA | GoldTerminal Type: Pin | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S656 | 🇺🇸 US | Connector Shape: OvalGauge: 18 | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 2.4L L4 | CON124 | 🇺🇸 US | Terminal Quantity: 3 | View on Amazon |
| WELLS Fits: 2.4L L4 | 1P1209 | 🇺🇸 US | Gender: MaleWiring Harness Length: 9.5 In | 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.
6 Fuel Tank Pressure Sensor Connector parts for the 2006 Kia Optima come from 5 brands — STANDARD MOTOR PRODUCTS, SKP, ACDELCO and 2 other brands. The "Popular" part is SKP SKS656.
Part numbers include SKP SKS656, STANDARD MOTOR PRODUCTS HP4240 and ACDELCO PT1910, among others listed above.
Headlamp Wiring Harness / Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | LWH110 | 🇺🇸 US | Blue StreakHigh Temperature | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | 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.
2 Headlamp Wiring Harness / Connector parts for the 2006 Kia Optima come from STANDARD MOTOR PRODUCTS.
Listed part numbers: STANDARD MOTOR PRODUCTS LWH110 and STANDARD MOTOR PRODUCTS LWH105.
Idle Air Control (IAC) Valve Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | HP3975 | 🇺🇸 US | Handy PackBlack | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S745 | 🇺🇸 US | Connector Shape: Rectangleblack | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 2.4L L4 | CON149 | 🇺🇸 US | Engine VIN 6 | View on Amazon |
| WELLS Fits: 2.4L L4 | 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 for the 2006 Kia Optima come from 3 brands — STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and WELLS.
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 Popular Fits: 2.4L L4 | S1415 | 🇺🇸 US | Number of Splice Connectors Included: 2 | View on Amazon |
| UNITED MOTOR PRODUCTS Popular Fits: 2.4L L4 | CON21 | 🇺🇸 US | Engine VIN 3 | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S2982 | 🇺🇸 US | Engine VIN 6 | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | HP3985 | 🇺🇸 US | Handypack | View on Amazon |
| WALKER PRODUCTS Fits: 2.4L L4 | 2701126 | 🇺🇸 US | Terminal Gender: Male | View on Amazon |
| WALKER PRODUCTS Fits: 2.4L L4 | 2701078 | 🇺🇸 US | Engine VIN 6 | 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.
6 Ignition Coil Connector parts are listed for the 2006 Kia Optima, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and UNITED MOTOR PRODUCTS. STANDARD MOTOR PRODUCTS S1415 carries the "Popular" badge.
This group includes STANDARD MOTOR PRODUCTS S1415, UNITED MOTOR PRODUCTS CON21 and STANDARD MOTOR PRODUCTS S2982 and the remaining parts above.
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.
One part is listed for the 2006 Kia Optima — STANDARD MOTOR PRODUCTS S2862.
Knock / Detonation Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Fits: 2.4L L4 | SKS1681 | 🇺🇸 US | View on Amazon | |
| WALKER PRODUCTS Fits: 2.4L L4 | 2701097 | 🇺🇸 US | Engine VIN 3 | 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.
2 Knock / Detonation Sensor Connector parts are listed for the 2006 Kia Optima, from SKP and WALKER PRODUCTS.
Part numbers include SKP SKS1681 and WALKER PRODUCTS 2701097.
Manifold Pressure (MAP) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA Fits: 2.4L L4 | 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 are listed for the 2006 Kia Optima, from ROSTRA and WELLS.
Part numbers include ROSTRA 610351 and WELLS 1P2657.
Mass Air Flow (MAF) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S2841 | 🇺🇸 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2841.
Multi-Function Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: 2.4L L4 | 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.
This group shows a single part: WELLS 1P1789.
Oil Pressure Sender / Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S3077 | 🇺🇸 US | Long Design | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | 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.
2 Oil Pressure Sender / Switch Connector parts for the 2006 Kia Optima come from STANDARD MOTOR PRODUCTS.
Listed part numbers: STANDARD MOTOR PRODUCTS S3077 and STANDARD MOTOR PRODUCTS S1634.
On-Board Diagnostic (OBD) Port Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: 2.4L L4 | 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.
One part is listed for the 2006 Kia Optima — WELLS 1P1474.
Radio Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| METRA Fits: 2.4L L4 | CFWHKH2 | 🇺🇸 US 🇨🇦 CA | TurbowireFor Power/4-Speaker | View on Amazon |
| METRA Fits: 2.4L L4 | 701004 | 🇺🇸 US | TURBOWireWire Harness | View on Amazon |
| METRA Fits: 2.4L L4 | 711004 | 🇺🇸 US | TURBOWireRepair Wire Harness | View on Amazon |
| METRA Fits: 2.4L L4 | 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.
4 Radio Connector parts for the 2006 Kia Optima come from METRA.
This group includes METRA CFWHKH2, METRA 701004 and METRA 711004 and the remaining parts above.
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: 2.4L L4 | 1P1421 | 🇺🇸 US | Wiring Harness Length: 9.43 In | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S2329 | 🇺🇸 US | Connector Shape: Triangular | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S745 | 🇺🇸 US | Connector Shape: Rectangleblack | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S1681 | 🇺🇸 US | Black | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 2.4L L4 | CON149 | 🇺🇸 US | Transmission Output | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 2.4L L4 | CON34 | 🇺🇸 US | Terminal Gender: Female | View on Amazon |
| WALKER PRODUCTS Fits: 2.4L L4 | 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.
8 Speed Sensor Connector parts for the 2006 Kia Optima come from 4 brands — STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS, WELLS and 1 other brand. The "Popular" part is STANDARD MOTOR PRODUCTS HP3975.
Listed part numbers: STANDARD MOTOR PRODUCTS HP3975, WELLS 1P1421 and STANDARD MOTOR PRODUCTS S2329, plus the other parts above.
Temperature Sender / Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | 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.
One part is listed for the 2006 Kia Optima — STANDARD MOTOR PRODUCTS S3094.
Throttle Position Sensor (TPS) Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Popular Fits: 2.4L L4 | 1P1421 | 🇺🇸 US | Wiring Harness Length: 9.43 In | View on Amazon |
| ROSTRA Fits: 2.4L L4 | 610105 | 🇺🇸 US | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | HP3975 | 🇺🇸 US | Handy PackBlack | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S745 | 🇺🇸 US | Connector Shape: Rectangleblack | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 2.4L L4 | 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 for the 2006 Kia Optima come from 4 brands — STANDARD MOTOR PRODUCTS, WELLS, ROSTRA and 1 other brand. The "Popular" part is WELLS 1P1421.
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: 2.4L L4 | 1P1789 | 🇺🇸 US | Terminal Quantity: 4Wire Quantity: 8 | View on Amazon |
| ROSTRA Fits: 2.4L L4 | 610069 | 🇺🇸 US | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | HP4145 | 🇺🇸 US | HandypackConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S1519 | 🇺🇸 US | Connector Shape: RectangleContact Terminal Material: Metal | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 2.4L L4 | 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 for the 2006 Kia Optima come from 4 brands — STANDARD MOTOR PRODUCTS, WELLS, ROSTRA and 1 other brand. The "Popular" part is WELLS 1P1789.
Listed part numbers: WELLS 1P1789, ROSTRA 610069 and STANDARD MOTOR PRODUCTS HP4145, plus the other parts above.
Transmission-Automatic Wiring Harness / Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HYUNDAI Fits: 2.4L L4 | 463083A550 | 🇺🇸 US | Engine VIN 3VALVE bODY | View on Amazon |
This table covers the wiring-harness connectors at the Transmission-Automatic. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape.
This group shows a single part: HYUNDAI 463083A550.
Vapor Canister Purge Valve / Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S1530 | 🇺🇸 US | Connector Shape: OvalHarness Length | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S1414 | 🇺🇸 US | Connector Shape: RectangleTerminal Type: Blade | View on Amazon |
| WELLS Fits: 2.4L L4 | 1P1876 | 🇺🇸 US | View on Amazon |
This table covers the harness connectors at the Vapor Canister Purge Valve / Solenoid. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
3 Vapor Canister Purge Valve / Solenoid Connector parts are listed for the 2006 Kia Optima, from STANDARD MOTOR PRODUCTS and WELLS.
This group includes STANDARD MOTOR PRODUCTS S1530, STANDARD MOTOR PRODUCTS S1414 and WELLS 1P1876.
Vapor Canister Vent Valve / Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 2.4L L4 | HP3860 | 🇺🇸 US | HandypackTerminal Type: Blade | View on Amazon |
| WELLS Popular Fits: 2.4L L4 | 1P1347 | 🇺🇸 US | Wire Gauge Measurement: 18 | View on Amazon |
| ACDELCO Fits: 2.4L L4 | PT2164 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| ROSTRA Fits: 2.4L L4 | 610085 | 🇺🇸 US | Centered Index Slot without Release | View on Amazon |
| ROSTRA Fits: 2.4L L4 | 610049 | 🇺🇸 US | Centered Index Slot with Release | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S697 | 🇺🇸 US | Connector Shape: RectangleHarness Length | View on Amazon |
| WELLS Fits: 2.4L L4 | 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 are listed for the 2006 Kia Optima, from STANDARD MOTOR PRODUCTS, WELLS, ROSTRA and 1 other brand. STANDARD MOTOR PRODUCTS HP3860 carries the "Popular" badge.
Listed part numbers: STANDARD MOTOR PRODUCTS HP3860, WELLS 1P1347 and ACDELCO PT2164, plus the other parts above.
Variable Valve Timing (VVT) Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S1716 | 🇺🇸 US | Connector Shape: OvalWire Gauge (GA): 14 | View on Amazon |
| WALKER PRODUCTS Fits: 2.4L L4 | 2701102 | 🇺🇸 US | View on Amazon | |
| WELLS Fits: 2.4L L4 | 1P1680 | 🇺🇸 US | View on Amazon |
This table covers the harness connectors at the Variable Valve Timing (VVT) Solenoid. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
3 Variable Valve Timing (VVT) Solenoid Connector parts are listed for the 2006 Kia Optima, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and WELLS.
Part numbers include STANDARD MOTOR PRODUCTS S1716, WALKER PRODUCTS 2701102 and WELLS 1P1680.
Voltage Regulator Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S2533 | 🇺🇸 US | View on Amazon |
This table covers the harness connectors at the Voltage Regulator. 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 S2533.
Washer Fluid Level Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S2921 | 🇺🇸 US | Connector Shape: OvalTerminal Type: Blade | View on Amazon |
This table covers the harness connectors at the Washer Fluid Level Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 2006 Kia Optima — STANDARD MOTOR PRODUCTS S2921.
Washer Pump Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Fits: 2.4L L4 | 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.
One part is listed for the 2006 Kia Optima — WAI GLOBAL 399002.
Buying Electrical Connector Parts for a 2006 Kia Optima
On this vehicle, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules.
- Match the engine first. Every electrical connector part here is engine-specific; each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, use heat-shrink crimp connectors rather than twist-and-tape for any pigtail splice, especially outside the cabin.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Blower Motor Control Module / Resistor Connector and Camshaft Position Sensor Connector .
Frequently Asked Questions
How many electrical connector parts fit the 2006 Kia Optima?
Our catalog currently lists 119 electrical connector parts for the 2006 Kia Optima across 37 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 2006 Kia Optima engines?
Yes. Every electrical connector part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of electrical connector problems on a 2006 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 2006 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 2006 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 2006 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.