This page lists 104 electrical connector parts for the 2012 Hyundai Sonata, across 39 part types, covering all 3 engine options (2.0L L4 Turbocharged, 2.4L L4 and 2.4L L4 ELECTRIC/GAS). Every part shows its brand, manufacturer part number and fitment notes.
On the 2012 Hyundai Sonata, 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), Manifold Pressure (MAP) Sensor Connector (5 parts) and Radio Connector (5 parts). The other 36 part types cover the remaining 82 parts.
The 2012 Hyundai Sonata was sold with 3 engines. 69 parts fit every engine; the other 35 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2012 Hyundai Sonata electrical connector parts are STANDARD MOTOR PRODUCTS (54 parts), WELLS (17 parts) and UNITED MOTOR PRODUCTS (5 parts), plus 10 more brands.
5 parts on this 2012 Hyundai Sonata 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 STANDARD MOTOR PRODUCTS S1461 (Manifold Pressure (MAP) Sensor Connector). Click any part number to see every vehicle that part fits.
A/C Compressor Clutch Coil Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S2921 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalTerminal Type: Blade | View on Amazon |
This table covers the harness connectors at the A/C Compressor Clutch Coil. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 2012 Hyundai Sonata — STANDARD MOTOR PRODUCTS S2921.
A/C Compressor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S3264 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the A/C Compressor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 2012 Hyundai Sonata — STANDARD MOTOR PRODUCTS S3264.
A/C Refrigerant Pressure Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Fits: all 2012 Sonata engines | 37276 | 🇺🇸 US 🇨🇦 CA | 3 Terminal FemaleRectangular Connector | View on Amazon |
| GPD Fits: all 2012 Sonata engines | 1712679 | 🇺🇸 US 🇨🇦 CA | Pressure Transducer Pigtail | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S2458 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalWire Gauge (GA): 18, 20 | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: all 2012 Sonata engines | CON205 | 🇺🇸 US 🇨🇦 CA | Low PressureCut-Off | View on Amazon |
This table covers the harness connectors at the A/C Refrigerant Pressure Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
4 A/C Refrigerant Pressure Switch Connector parts for the 2012 Hyundai Sonata come from 4 brands — FOUR SEASONS, GPD, STANDARD MOTOR PRODUCTS and 1 other brand. Every part fits all 3 engine options (2.0L L4 Turbocharged, 2.4L L4 and 2.4L L4 ELECTRIC/GAS).
Listed part numbers: FOUR SEASONS 37276, GPD 1712679 and STANDARD MOTOR PRODUCTS S2458, plus the other parts above.
ABS Wheel Speed Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S2940 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Trapezoidal | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S3021 | 🇺🇸 US 🇨🇦 CA | Harness LengthInches: 18.5 | View on Amazon |
This table covers the harness connectors at each ABS wheel-speed sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
STANDARD MOTOR PRODUCTS supplies both parts for the 2012 Hyundai Sonata. All of them fit every engine offered in the 2012 Sonata.
Listed part numbers: STANDARD MOTOR PRODUCTS S2940 and STANDARD MOTOR PRODUCTS S3021.
Accelerator Pedal Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged, 2.4L L4 | S2082 | 🇺🇸 US 🇨🇦 CA | Wire Gauge (GA): 16 | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 ELECTRIC/GAS | S1048 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS Fits: 2.4L L4 ELECTRIC/GAS | 1P1849 | 🇺🇸 US 🇨🇦 CA | Hybrid | 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.
3 Accelerator Pedal Position Sensor Connector parts are listed for the 2012 Hyundai Sonata, from STANDARD MOTOR PRODUCTS and WELLS.
Part numbers include STANDARD MOTOR PRODUCTS S2082, STANDARD MOTOR PRODUCTS S1048 and WELLS 1P1849.
Accessory Power Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | HP3810 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Polygon | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S654 | 🇺🇸 US 🇨🇦 CA | Connector Shape: PolygonLength (In): 1 | View on Amazon |
| WELLS Fits: all 2012 Sonata engines | 1P1143 | 🇺🇸 US 🇨🇦 CA | Terminal Quantity: 5Wiring Harness Length: 12.0 In | View on Amazon |
This table covers the harness connectors at the Accessory Power Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
3 Accessory Power Relay Connector parts are listed for the 2012 Hyundai Sonata, from STANDARD MOTOR PRODUCTS and WELLS. All of them fit every engine offered in the 2012 Sonata.
Part numbers include STANDARD MOTOR PRODUCTS HP3810, STANDARD MOTOR PRODUCTS S654 and WELLS 1P1143.
Alternator / Generator Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S2533 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Alternator / Generator. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 2012 Hyundai Sonata — STANDARD MOTOR PRODUCTS S2533.
Ambient Air Temperature Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S2964 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Oval | View on Amazon |
This table covers the harness connectors at the Ambient Air Temperature Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 2012 Hyundai Sonata — STANDARD MOTOR PRODUCTS S2964.
Blower Motor Control Module / Resistor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD Popular Fits: 2.4L L4 ELECTRIC/GAS | 1712189 | 🇺🇸 US 🇨🇦 CA | Blower Motor Resistor Pigtailwith 4 Terminal(s) | View on Amazon |
| WELLS Popular Fits: all 2012 Sonata engines | 1P1789 | 🇺🇸 US 🇨🇦 CA | Terminal Quantity: 4Wire Quantity: 8 | View on Amazon |
| WELLS Popular Fits: all 2012 Sonata engines | 1P1565 | 🇺🇸 US 🇨🇦 CA | without Automatic Temperature Control | View on Amazon |
| FOUR SEASONS Fits: all 2012 Sonata engines | 37260 | 🇺🇸 US 🇨🇦 CA | 4 Terminal Malewith Female Lock Tab | View on Amazon |
| HOLSTEIN Fits: 2.0L L4 Turbocharged, 2.4L L4 | 2HAR0006 | 🇺🇸 US 🇨🇦 CA | without Automatic Air Conditioning | View on Amazon |
| HOLSTEIN Fits: 2.4L L4 ELECTRIC/GAS | 2HAR0001 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ROSTRA Fits: all 2012 Sonata engines | 610069 | 🇺🇸 US 🇨🇦 CA | with Automatic Temperature Control | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged, 2.4L L4 | S1785 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangleWiring Harness Length (In): 12.5 | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 ELECTRIC/GAS | HP4145 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 ELECTRIC/GAS | S1519 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangleContact Terminal Material: Metal | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 ELECTRIC/GAS | S1519HT | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: all 2012 Sonata engines | CON43 | 🇺🇸 US 🇨🇦 CA | with Manual A/C Controls | 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 2012 Hyundai Sonata come from 7 brands — STANDARD MOTOR PRODUCTS, WELLS, HOLSTEIN and 4 other brands. The "Popular" part is GPD 1712189. 5 parts fit every engine; the other 7 are engine-specific.
Blower Motor Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD Fits: 2.0L L4 Turbocharged | 1712189 | 🇺🇸 US 🇨🇦 CA | Blower Motor Resistor Pigtailwith 4 Terminal(s) | View on Amazon |
This table covers the harness connectors at the Blower Motor Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
This group shows a single part: GPD 1712189.
Brake Fluid Level Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 2.4L L4 ELECTRIC/GAS | PT2164 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 ELECTRIC/GAS | HP3860 | 🇺🇸 US 🇨🇦 CA | HandypackTerminal Type: Blade | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 ELECTRIC/GAS | S697 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangleHarness Length | View on Amazon |
This table covers the harness connectors at the Brake 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.
3 Brake Fluid Level Sensor Connector parts for the 2012 Hyundai Sonata come from 2 brands — STANDARD MOTOR PRODUCTS and ACDELCO.
This group includes ACDELCO PT2164, STANDARD MOTOR PRODUCTS HP3860 and STANDARD MOTOR PRODUCTS S697.
Brake Light Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S1785 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangleWiring Harness Length (In): 12.5 | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S1785.
Camshaft Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA Fits: 2.0L L4 Turbocharged, 2.4L L4 | 610604 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S2438 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS Fits: 2.0L L4 Turbocharged, 2.4L L4 | 1P2658 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Camshaft Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
3 Camshaft Position Sensor Connector parts are listed for the 2012 Hyundai Sonata, from ROSTRA, STANDARD MOTOR PRODUCTS and WELLS. 1 part fits every engine; the other 2 are engine-specific.
This group includes ROSTRA 610604, STANDARD MOTOR PRODUCTS S2438 and WELLS 1P2658.
Computer Control Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S1600 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangleContact Terminal Material: Metal | View on Amazon |
This table covers the harness connectors at the Computer Control Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
This group shows a single part: STANDARD MOTOR PRODUCTS S1600.
Crankshaft Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S3153 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Rectangle | View on Amazon |
This table covers the harness connectors at the Crankshaft Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 2012 Hyundai Sonata — STANDARD MOTOR PRODUCTS S3153.
Fog / Driving Lamp Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: all 2012 Sonata engines | PT2298 | 🇺🇸 US 🇨🇦 CA | GoldHeight (In): 1.5 in | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | HP3835 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Oval | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S553 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalContact Terminal Material: Metal | View on Amazon |
| WELLS Fits: all 2012 Sonata engines | 1P1032 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Fog / Driving Lamp. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
4 Fog / Driving Lamp Connector parts are listed for the 2012 Hyundai Sonata, from STANDARD MOTOR PRODUCTS, ACDELCO and WELLS. All of them fit every engine offered in the 2012 Sonata.
This group includes ACDELCO PT2298, STANDARD MOTOR PRODUCTS HP3835 and STANDARD MOTOR PRODUCTS S553 and the remaining parts above.
Fuel Injector Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GB REMANUFACTURING Fits: 2.4L L4 ELECTRIC/GAS | 5187 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged | S2860 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalGauge: 16 Gauge | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4, 2.4L L4 ELECTRIC/GAS | S2330 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS Fits: all 2012 Sonata engines | 1P4050 | 🇺🇸 US 🇨🇦 CA | 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.
4 Fuel Injector Connector parts are listed for the 2012 Hyundai Sonata, from STANDARD MOTOR PRODUCTS, GB REMANUFACTURING and WELLS. 1 part fits every engine; the other 3 are engine-specific.
Part numbers include GB REMANUFACTURING 5187, STANDARD MOTOR PRODUCTS S2860 and STANDARD MOTOR PRODUCTS S2330, among others listed above.
Fuel Pump / Circuit Opening Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 2012 Sonata engines | 1P4004 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Fuel Pump / Circuit Opening Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
This group shows a single part: WELLS 1P4004.
Fuel Sending Unit Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S2873 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Fuel Sending Unit. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 2012 Hyundai Sonata — STANDARD MOTOR PRODUCTS S2873.
Fuel Tank Pressure Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S3121 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Fuel Tank Pressure Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
This group shows a single part: STANDARD MOTOR PRODUCTS S3121.
Headlamp Wiring Harness / Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | LWH104 | 🇺🇸 US 🇨🇦 CA | Blue Streak | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | LWH105 | 🇺🇸 US 🇨🇦 CA | Blue StreakHigh Temperature | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | LWH100 | 🇺🇸 US 🇨🇦 CA | Blue StreakHigh Temperature | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | F90001 | 🇺🇸 US 🇨🇦 CA | High 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.
4 Headlamp Wiring Harness / Connector parts for the 2012 Hyundai Sonata come from STANDARD MOTOR PRODUCTS. Every part fits all 3 engine options (2.0L L4 Turbocharged, 2.4L L4 and 2.4L L4 ELECTRIC/GAS).
This group includes STANDARD MOTOR PRODUCTS LWH104, STANDARD MOTOR PRODUCTS LWH105 and STANDARD MOTOR PRODUCTS LWH100 and the remaining parts above.
Ignition Coil Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S1441 | 🇺🇸 US 🇨🇦 CA | Splice Connectors Included: Yes | View on Amazon |
| WELLS Fits: all 2012 Sonata engines | 1P1680 | 🇺🇸 US 🇨🇦 CA | 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.
2 Ignition Coil Connector parts are listed for the 2012 Hyundai Sonata, from STANDARD MOTOR PRODUCTS and WELLS. All of them fit every engine offered in the 2012 Sonata.
Part numbers include STANDARD MOTOR PRODUCTS S1441 and WELLS 1P1680.
Knock / Detonation Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: all 2012 Sonata engines | PT2309 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | HP4750 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Oval | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S578 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalGauge: 18 | View on Amazon |
| WELLS Fits: all 2012 Sonata engines | 1P1044 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OblongTerminal Quantity: 2 | 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 are listed for the 2012 Hyundai Sonata, from STANDARD MOTOR PRODUCTS, ACDELCO and WELLS. All of them fit every engine offered in the 2012 Sonata.
Listed part numbers: ACDELCO PT2309, STANDARD MOTOR PRODUCTS HP4750 and STANDARD MOTOR PRODUCTS S578, plus the other parts above.
Manifold Pressure (MAP) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: all 2012 Sonata engines | S1461 | 🇺🇸 US 🇨🇦 CA | on Intake Manifold | View on Amazon |
| ROSTRA Fits: all 2012 Sonata engines | 610351 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| UNITED MOTOR PRODUCTS Fits: all 2012 Sonata engines | CON222 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS Fits: all 2012 Sonata engines | 2701119 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS Fits: all 2012 Sonata engines | 1P2657 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Manifold Pressure (MAP) Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
5 Manifold Pressure (MAP) Sensor Connector parts are listed for the 2012 Hyundai Sonata, from STANDARD MOTOR PRODUCTS, ROSTRA, UNITED MOTOR PRODUCTS and 2 other brands. STANDARD MOTOR PRODUCTS S1461 carries the "Popular" badge. All of them fit every engine offered in the 2012 Sonata.
This group includes STANDARD MOTOR PRODUCTS S1461, ROSTRA 610351 and UNITED MOTOR PRODUCTS CON222 and the remaining parts above.
Mass Air Flow (MAF) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN Fits: all 2012 Sonata engines | 2HAR0059 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | HP4796 | 🇺🇸 US 🇨🇦 CA | Handypack | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S1262 | 🇺🇸 US 🇨🇦 CA | Terminal Quantity: 5 | View on Amazon |
| WALKER PRODUCTS Fits: all 2012 Sonata engines | 2701134 | 🇺🇸 US 🇨🇦 CA | 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.
4 Mass Air Flow (MAF) Sensor Connector parts for the 2012 Hyundai Sonata come from 3 brands — STANDARD MOTOR PRODUCTS, HOLSTEIN and WALKER PRODUCTS. Every part fits all 3 engine options (2.0L L4 Turbocharged, 2.4L L4 and 2.4L L4 ELECTRIC/GAS).
Listed part numbers: HOLSTEIN 2HAR0059, STANDARD MOTOR PRODUCTS HP4796 and STANDARD MOTOR PRODUCTS S1262, plus the other parts above.
Oil Pressure Sender / Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S3077 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Oil Pressure Sender / Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
This group shows a single part: STANDARD MOTOR PRODUCTS S3077.
Oil Temperature Sender Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA Fits: all 2012 Sonata engines | 610085 | 🇺🇸 US 🇨🇦 CA | Centered Index Slot without Release | View on Amazon |
| ROSTRA Fits: all 2012 Sonata engines | 610049 | 🇺🇸 US 🇨🇦 CA | Centered Index Slot with Release | View on Amazon |
| WELLS Fits: 2.0L L4 Turbocharged | 1P1347 | 🇺🇸 US 🇨🇦 CA | Wire Gauge Measurement: 18 | View on Amazon |
| WELLS Fits: 2.0L L4 Turbocharged | 1P1002 | 🇺🇸 US 🇨🇦 CA | Centered Index with Release | View on Amazon |
This table covers the harness connectors at the Oil Temperature Sender. 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 Oil Temperature Sender Connector parts for the 2012 Hyundai Sonata come from 2 brands — ROSTRA and WELLS. 2 parts fit every engine; the other 2 are engine-specific.
Part numbers include ROSTRA 610085, ROSTRA 610049 and WELLS 1P1347, among others listed above.
Oxygen (O2) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S3134 | 🇺🇸 US 🇨🇦 CA | Downstream Sensorto 3/01/11 | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 ELECTRIC/GAS | S1419 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalGender: Female | View on Amazon |
This table covers the harness connectors at the Oxygen (O2) Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
STANDARD MOTOR PRODUCTS supplies both parts for the 2012 Hyundai Sonata. 1 part fits every engine; the other 1 is engine-specific.
Listed part numbers: STANDARD MOTOR PRODUCTS S3134 and STANDARD MOTOR PRODUCTS S1419.
Radiator Fan Motor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged | S3168 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Square | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4, 2.4L L4 ELECTRIC/GAS | S3162 | 🇺🇸 US 🇨🇦 CA | Harness LengthCM: 37 | View on Amazon |
This table covers the harness connectors at the Radiator Fan 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.
STANDARD MOTOR PRODUCTS supplies both parts for the 2012 Hyundai Sonata.
Part numbers include STANDARD MOTOR PRODUCTS S3168 and STANDARD MOTOR PRODUCTS S3162.
Radiator Fan Resistor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4, 2.4L L4 ELECTRIC/GAS | S3162 | 🇺🇸 US 🇨🇦 CA | Harness LengthCM: 37 | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4, 2.4L L4 ELECTRIC/GAS | S3308 | 🇺🇸 US 🇨🇦 CA | with 2 Terminal(s) | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.4L L4 | S3326 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Radiator Fan Resistor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
STANDARD MOTOR PRODUCTS supplies the 3 Radiator Fan Resistor Connector parts for the 2012 Hyundai Sonata.
Listed part numbers: STANDARD MOTOR PRODUCTS S3162, STANDARD MOTOR PRODUCTS S3308 and STANDARD MOTOR PRODUCTS S3326.
Radio Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| METRA Popular Fits: all 2012 Sonata engines | 701004 | 🇺🇸 US 🇨🇦 CA | TURBOWireWire Harness | View on Amazon |
| METRA Fits: all 2012 Sonata engines | 717304 | 🇺🇸 US 🇨🇦 CA | OEM Radio HarnessFor OEM Radio | View on Amazon |
| METRA Fits: all 2012 Sonata engines | 707305 | 🇺🇸 US 🇨🇦 CA | TURBOWireAmp Bypass Wire Harness | View on Amazon |
| METRA Fits: all 2012 Sonata engines | AXUSBHK2 | 🇺🇸 US 🇨🇦 CA | USB Adapter Cable Harness | View on Amazon |
| METRA Fits: all 2012 Sonata engines | AXHYKIAUSB | 🇺🇸 US 🇨🇦 CA | Custom Fit USB Retention HarnessIncludes RCAs | 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.
5 Radio Connector parts for the 2012 Hyundai Sonata come from METRA. The "Popular" part is METRA 701004. Every part fits all 3 engine options (2.0L L4 Turbocharged, 2.4L L4 and 2.4L L4 ELECTRIC/GAS).
Part numbers include METRA 701004, METRA 717304 and METRA 707305, among others listed above.
Temperature Sender / Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S3099 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Temperature Sender / Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 2012 Hyundai Sonata — STANDARD MOTOR PRODUCTS S3099.
Trailer Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CURT Fits: 2.0L L4 Turbocharged, 2.4L L4 | 56049 | 🇺🇸 US 🇨🇦 CA | Custom Wiring Harness4-Way Flat | View on Amazon |
| TEKONSHA Fits: 2.0L L4 Turbocharged, 2.4L L4 | 118557 | 🇺🇸 US 🇨🇦 CA | T-One Connector Assemblywith Upgraded Circuit Protected Modu Lite HD Module | View on Amazon |
| TEKONSHA Fits: 2.4L L4 ELECTRIC/GAS | 118663 | 🇺🇸 US 🇨🇦 CA | T-One Connector Assemblywith Upgraded Circuit Protected Modu Lite HD Module | View on Amazon |
This table covers the trailer-lighting connectors at the hitch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
3 Trailer Connector parts for the 2012 Hyundai Sonata come from 2 brands — TEKONSHA and CURT.
This group includes CURT 56049, TEKONSHA 118557 and TEKONSHA 118663.
Vapor Canister Purge Valve / Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | HP4625 | 🇺🇸 US 🇨🇦 CA | HandypackTerminal Type: Blade Terminals | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S1350 | 🇺🇸 US 🇨🇦 CA | Length (In): 1.125Terminal Type: Blade Terminals | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 2.4L L4 | CON19 | 🇺🇸 US 🇨🇦 CA | Color: Gray/BlueTerminal Gender: Female | View on Amazon |
| WELLS Fits: all 2012 Sonata engines | 1P1479 | 🇺🇸 US 🇨🇦 CA | Gender: MaleWiring Harness Length: 15.5 In | View on Amazon |
| WELLS Fits: 2.4L L4 ELECTRIC/GAS | 1P2045 | 🇺🇸 US 🇨🇦 CA | Wiring Harness Length: 17.0 In | View on Amazon |
This table covers the harness connectors at the Vapor Canister Purge Valve / Solenoid. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
5 Vapor Canister Purge Valve / Solenoid Connector parts are listed for the 2012 Hyundai Sonata, from STANDARD MOTOR PRODUCTS, WELLS and UNITED MOTOR PRODUCTS. 3 parts fit every engine; the other 2 are engine-specific.
This group includes STANDARD MOTOR PRODUCTS HP4625, STANDARD MOTOR PRODUCTS S1350 and UNITED MOTOR PRODUCTS CON19 and the remaining parts above.
Vapor Canister Vent Valve / Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged, 2.4L L4 | HP4625 | 🇺🇸 US 🇨🇦 CA | HandypackTerminal Type: Blade Terminals | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged, 2.4L L4 | S1350 | 🇺🇸 US 🇨🇦 CA | Length (In): 1.125Terminal Type: Blade Terminals | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged, 2.4L L4 | CON19 | 🇺🇸 US 🇨🇦 CA | Color: Gray/BlueTerminal Gender: Female | View on Amazon |
| WELLS Fits: all 2012 Sonata engines | 1P1479 | 🇺🇸 US 🇨🇦 CA | Gender: MaleWiring Harness Length: 15.5 In | View on Amazon |
This table covers the harness connectors at the Vapor Canister Vent Valve / Solenoid. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
4 Vapor Canister Vent Valve / Solenoid Connector parts are listed for the 2012 Hyundai Sonata, from STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and WELLS. 1 part fits every engine; the other 3 are engine-specific.
Listed part numbers: STANDARD MOTOR PRODUCTS HP4625, STANDARD MOTOR PRODUCTS S1350 and UNITED MOTOR PRODUCTS CON19, plus the other parts above.
Variable Valve Timing (VVT) Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S1716 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalWire Gauge (GA): 14 | View on Amazon |
| WALKER PRODUCTS Fits: all 2012 Sonata engines | 2701102 | 🇺🇸 US 🇨🇦 CA | Fits IntakeFrom 11/07/2011 | View on Amazon |
| WELLS Fits: all 2012 Sonata engines | 1P1680 | 🇺🇸 US 🇨🇦 CA | For Intake and Exhaust Solenoids | 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 2012 Hyundai Sonata, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and WELLS. All of them fit every engine offered in the 2012 Sonata.
This group includes STANDARD MOTOR PRODUCTS S1716, WALKER PRODUCTS 2701102 and WELLS 1P1680.
Washer Fluid Level Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S2921 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalTerminal Type: Blade | View on Amazon |
This table covers the harness connectors at the Washer Fluid Level Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 2012 Hyundai Sonata — STANDARD MOTOR PRODUCTS S2921.
Washer Pump Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S3131 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Washer Pump. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 2012 Hyundai Sonata — STANDARD MOTOR PRODUCTS S3131.
Wiper Motor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2012 Sonata engines | S1423 | 🇺🇸 US 🇨🇦 CA | Front Unit | View on Amazon |
This table covers the harness connectors at the Wiper Motor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 2012 Hyundai Sonata — STANDARD MOTOR PRODUCTS S1423.
Buying Electrical Connector Parts for a 2012 Hyundai Sonata
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: Blower Motor Control Module / Resistor Connector and Manifold Pressure (MAP) Sensor Connector .
Frequently Asked Questions
How many electrical connector parts fit the 2012 Hyundai Sonata?
Our catalog currently lists 104 electrical connector parts for the 2012 Hyundai Sonata across 39 subcategories and 13 brands, covering all 3 engine options (2.0L L4 Turbocharged, 2.4L L4 and 2.4L L4 ELECTRIC/GAS). Each part is matched to the engine(s) it fits.
Do electrical connector parts differ between 2012 Hyundai Sonata engines?
Some do. 69 parts fit every engine; the other 35 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 2012 Hyundai Sonata?
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 2012 Hyundai Sonata 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 2012 Hyundai Sonata?
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 2012 Hyundai Sonata
Electrical Connector Parts for Other Hyundai Sonata Years
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