2016 Toyota Highlander Electrical Connector Parts

Engine:

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

The 2016 Toyota Highlander has 74 electrical connector parts with verified fitment on this page — 36 part types and 16 brands, covering all 3 engine options (2.7L L4, 3.5L V6 and 3.5L V6 ELECTRIC/GAS). Each part includes a manufacturer part number and application notes.

On the 2016 Toyota Highlander, 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 Ignition Coil Connector (6 parts), Radio Connector (6 parts) and ABS Wheel Speed Sensor Connector (5 parts). The other 33 part types cover the remaining 57 parts.

A/C Compressor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S2539
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
with 3 Female Terminals
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This table covers the harness connectors at the A/C Compressor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

A/C Refrigerant Pressure Switch Connector

Brand Part Number Markets Notes Buy
GPD Fits: all 2016 Highlander engines 1711993
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Pressure Transducer Pigtail
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STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S1028
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Gender: Female
Fitment notes — STANDARD MOTOR PRODUCTS S1028
Gender: Female
Low PressureCut-Off
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This table covers the harness connectors at the A/C Refrigerant Pressure Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

ABS Wheel Speed Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: all 2016 Highlander engines S2825
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Harness Lengthinches: 12.5
Fitment notes — STANDARD MOTOR PRODUCTS S2825
Harness Lengthinches: 12.5Includes ABS Wheel Speed Sensor Wire Harness
Fits:
Front RightUSA Built
or:
Front LeftUSA Built
or:
FrontUSA Built
or:
FrontLeftUSA Built
or:
FrontRightUSA Built
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BECK/ARNLEY Fits: 2.7L L4, 3.5L V6 0844936
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Right
Fitment notes — BECK/ARNLEY 0844936
Rear Right
Rear RightFWD
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BECK/ARNLEY Fits: 2.7L L4, 3.5L V6 0844937
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Left
Fitment notes — BECK/ARNLEY 0844937
Rear Left
Rear LeftFWD
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HOLSTEIN Fits: 2.7L L4, 3.5L V6 2ABS2618
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Right
Fitment notes — HOLSTEIN 2ABS2618
Rear Right
Rear RightFWD
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HOLSTEIN Fits: 2.7L L4, 3.5L V6 2ABS2627
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Left
Fitment notes — HOLSTEIN 2ABS2627
Rear Left
Rear LeftFWD
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This table covers the harness connectors at each ABS wheel-speed sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Accelerator Pedal Position Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S2815
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the harness connectors at the Accelerator Pedal Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Alternator / Generator Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S2548
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the harness connectors at the Alternator / Generator. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Ambient Air Temperature Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S986
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
with Centered Index Slot
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WELLS Fits: all 2016 Highlander engines 1P2653
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Externally Mounted
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This table covers the harness connectors at the Ambient Air Temperature Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Blind Spot Detection Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S2846
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Gauge: 18
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This table covers the harness connectors at the Blind Spot Detection Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Blower Motor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S3204
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rearwith 2 Terminal(s)
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STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S3208
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Frontwith 3 Blade Terminals
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This table covers the harness connectors at the Blower Motor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Camshaft Position Sensor Connector

Brand Part Number Markets Notes Buy
DORMAN Fits: 2.7L L4 645744
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S2837
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the harness connectors at the Camshaft Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Crankshaft Position Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S2808
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the harness connectors at the Crankshaft Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Cruise Control Distance Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S2846
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Gauge: 18
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This table covers the harness connectors at the Cruise Control Distance Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

EGR Vacuum Solenoid Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.5L V6, 3.5L V6 ELECTRIC/GAS S2896
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Gender: MaleTerminal Type: Blade
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This table covers the harness connectors at the EGR Vacuum 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.

Fog / Driving Lamp Connector

Brand Part Number Markets Notes Buy
WELLS Fits: all 2016 Highlander engines 1P1032
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the harness connectors at the Fog / Driving Lamp. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Fuel Injector Connector

Brand Part Number Markets Notes Buy
GB REMANUFACTURING Fits: all 2016 Highlander engines 5188
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S2328
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Connector Shape: Rectangular, OvalTerminal Quantity: 2
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This table covers the harness connectors at the Fuel Injector. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Fuel Pump / Circuit Opening Relay Connector

Brand Part Number Markets Notes Buy
WELLS Fits: all 2016 Highlander engines 1P4004
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the harness connectors at the Fuel Pump / Circuit Opening Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Fuel Pump Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S2834
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the harness connectors at the Fuel Pump. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Ignition Coil Connector

Brand Part Number Markets Notes Buy
DORMAN Popular Fits: all 2016 Highlander engines 645940
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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STANDARD MOTOR PRODUCTS Popular Fits: all 2016 Highlander engines S2527
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Complete Assembly
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FVP Fits: all 2016 Highlander engines UF487F
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S3291
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
with Housing
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UNITED MOTOR PRODUCTS Fits: all 2016 Highlander engines CON208
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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WALKER PRODUCTS Fits: all 2016 Highlander engines 2701082
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
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This table covers the harness connectors at the Ignition Coil. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Knock / Detonation Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 2.7L L4 S2328
🇺🇸 US
Connector Shape: Rectangular, OvalTerminal Quantity: 2
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STANDARD MOTOR PRODUCTS Fits: 3.5L V6, 3.5L V6 ELECTRIC/GAS S3091
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Connector Shape: Rectangle, Square
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This table covers the harness connectors at the Knock / Detonation Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Manifold Pressure (MAP) Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S2527
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Complete Assembly
Fitment notes — STANDARD MOTOR PRODUCTS S2527
Complete Assembly
Complete Assembly
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ULTRA-POWER Fits: 3.5L V6 ELECTRIC/GAS 2701082
🇺🇸 US 🇨🇦 CA
Manifold Absolute Pressure Sensor Connector
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UNITED MOTOR PRODUCTS Fits: all 2016 Highlander engines CON208
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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WALKER PRODUCTS Fits: 3.5L V6 ELECTRIC/GAS 2701082
🇺🇸 US 🇨🇦 CA
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This table covers the harness connectors at the Manifold Pressure (MAP) Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Mass Air Flow (MAF) Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S1712
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Connector Shape: Oval
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This table covers the harness connectors at the Mass Air Flow (MAF) Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Oil Pressure Sender / Switch Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S2538
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Graywith 1 Female Terminals
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This table covers the harness connectors at the Oil Pressure Sender / Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Oxygen (O2) Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.5L V6 ELECTRIC/GAS S3147
🇺🇸 US 🇨🇦 CA
Gauge: 18
Fitment notes — STANDARD MOTOR PRODUCTS S3147
Gauge: 18
Upstream Sensor
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This table covers the harness connectors at the Oxygen (O2) Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Park Assist (PAS) Camera Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S3297
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear
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This table covers the harness connectors at the Park Assist (PAS) Camera. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Parking Aid Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines HP3985
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Handypack
Fitment notes — STANDARD MOTOR PRODUCTS HP3985
Handypack
Rear
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STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S1415
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Number of Splice Connectors Included: 2
Fitment notes — STANDARD MOTOR PRODUCTS S1415
Number of Splice Connectors Included: 2
Rear
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This table covers the harness connectors at the Parking Aid Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Radiator Fan Resistor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S3175
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Harness LengthCM: 38 CM
Fitment notes — STANDARD MOTOR PRODUCTS S3175
Harness LengthCM: 38 CM
with 3 Blade Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.5L V6 ELECTRIC/GAS S3314
🇺🇸 US 🇨🇦 CA
with 3 Blade Terminals
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This table covers the harness connectors at the Radiator Fan Resistor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Radio Connector

Brand Part Number Markets Notes Buy
METRA Popular Fits: all 2016 Highlander engines 701761
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
TURBOWireWire Harness
Fitment notes — METRA 701761
TURBOWireWire HarnessFor Aftermarket Radio
Plugs Into Car Harness At RadioFor Power/4-Speaker
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METRA Popular Fits: all 2016 Highlander engines 711761
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
TURBOWireRepair Wire Harness
Fitment notes — METRA 711761
TURBOWireRepair Wire HarnessFor OEM Radio
Plugs Into OEM RadioFor Power/4-Speaker
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METRA Fits: all 2016 Highlander engines AXSWCHT28
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Plug And Play Harness
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METRA Fits: all 2016 Highlander engines AXBUCHT3
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Radio Backup Camera Wiring Harness
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METRA Fits: all 2016 Highlander engines AXBUCHT16V
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Radio Backup Camera Wiring HarnessIncludes Axcsd-6V
Fitment notes — METRA AXBUCHT16V
Radio Backup Camera Wiring HarnessIncludes Axcsd-6V
12 Volt To 6 Volt Converter
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METRA Fits: all 2016 Highlander engines AXBUCHT36V
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Radio Backup Camera Wiring HarnessIncludes Axcsd-6V
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This table covers the harness connectors at the Radio. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Starter Solenoid Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S2549
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the harness connectors at the Starter 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.

Temperature Sender / Sensor Connector

Brand Part Number Markets Notes Buy
FOUR SEASONS Fits: all 2016 Highlander engines 37288
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
2 Terminal Male
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STANDARD MOTOR PRODUCTS Fits: 2.7L L4 S1923
🇺🇸 US
Connector Shape: RectangleWiring Harness Length (mm): 508
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STANDARD MOTOR PRODUCTS Fits: 3.5L V6, 3.5L V6 ELECTRIC/GAS S2825
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Harness Lengthinches: 12.5
Fitment notes — STANDARD MOTOR PRODUCTS S2825
Harness Lengthinches: 12.5Includes ABS Wheel Speed Sensor Wire Harness
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This table covers the harness connectors at the Temperature Sender / Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Throttle Control Actuator Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S2817
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the harness connectors at the Throttle Control Actuator. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Trailer Connector

Brand Part Number Markets Notes Buy
CURT Popular Fits: all 2016 Highlander engines 56217
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Custom Wiring Connector4-Way Flat
Fitment notes — CURT 56217
Custom Wiring Connector4-Way FlatCircuit Protected And Powered
3-Wire System
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CURT Fits: all 2016 Highlander engines 56042
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Custom Wiring Connector4-Way Flat
Fitment notes — CURT 56042
Custom Wiring Connector4-Way Flat
3-Wire System
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CURT Fits: all 2016 Highlander engines 55245
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Custom Wiring Connector4-Way Flat
Fitment notes — CURT 55245
Custom Wiring Connector4-Way Flat
2-Wire System
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TEKONSHA Fits: all 2016 Highlander engines 118449
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
T-One Connector Assemblywith Circuit Protected Modu Lite Module
Fitment notes — TEKONSHA 118449
T-One Connector Assemblywith Circuit Protected Modu Lite Module
Drilling Required
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TEKONSHA Fits: all 2016 Highlander engines 22119
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Tow Harness Wiring Package7-Way Complete Kit
Fitment notes — TEKONSHA 22119
Tow Harness Wiring Package7-Way Complete Kit
No Drilling Required (Uses All Existing Holes)
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This table covers the trailer-lighting connectors at the hitch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Vapor Canister Purge Valve / Solenoid Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.5L V6, 3.5L V6 ELECTRIC/GAS S1530
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Connector Shape: OvalHarness Length
Fitment notes — STANDARD MOTOR PRODUCTS S1530
Connector Shape: OvalHarness LengthInches: 17Splice Connectors Included: Noblack
By Intake Manifold
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UNITED MOTOR PRODUCTS Fits: 3.5L V6, 3.5L V6 ELECTRIC/GAS CON26
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Located in Intake Manifold
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This table covers the harness connectors at the Vapor Canister Purge Valve / Solenoid. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Vapor Canister Vent Valve / Solenoid Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.5L V6 ELECTRIC/GAS S1530
🇺🇸 US 🇨🇦 CA
Connector Shape: OvalHarness Length
Fitment notes — STANDARD MOTOR PRODUCTS S1530
Connector Shape: OvalHarness LengthInches: 17Splice Connectors Included: Noblack
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UNITED MOTOR PRODUCTS Fits: 2.7L L4, 3.5L V6 ELECTRIC/GAS CON26
🇺🇸 US 🇨🇦 CA
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WELLS Fits: all 2016 Highlander engines 1P1876
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the harness connectors at the Vapor Canister Vent Valve / Solenoid. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Vapor Leak Detection Pump Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S2818
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Gauge: 20 Gauge
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This table covers the harness connectors at the Vapor Leak Detection 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.

Variable Valve Timing (VVT) Solenoid Connector

Brand Part Number Markets Notes Buy
ROSTRA Fits: 2.7L L4 610158
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: 3.5L V6, 3.5L V6 ELECTRIC/GAS S1716
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Connector Shape: OvalWire Gauge (GA): 14
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WALKER PRODUCTS Fits: all 2016 Highlander engines 2701102
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Incl.Oil Control Valve
Fitment notes — WALKER PRODUCTS 2701102
Incl.Oil Control Valve
Fits:
Incl.Oil Control ValveExhaust (Right)
or:
LeftIncl.Oil Control Valve
or:
RightIncl.Oil Control Valv
or:
Incl.Oil Control ValveIntak
or:
Incl.Oil Control ValveExhaust (Left)
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WELLS Fits: 2.7L L4 1P1893
🇺🇸 US
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WELLS Fits: 3.5L V6, 3.5L V6 ELECTRIC/GAS 1P1680
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the harness connectors at the Variable Valve Timing (VVT) Solenoid. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Washer Fluid Level Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S3320
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Unit
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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.

Washer Pump Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Highlander engines S3083
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Connector Shape: Rectangle
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This table covers the harness connectors at the Washer Pump. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Buying Electrical Connector Parts for a 2016 Toyota Highlander

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: Ignition Coil Connector and Radio Connector .

Frequently Asked Questions

How many electrical connector parts fit the 2016 Toyota Highlander?

Our catalog currently lists 74 electrical connector parts for the 2016 Toyota Highlander across 36 subcategories and 16 brands, covering all 3 engine options (2.7L L4, 3.5L V6 and 3.5L V6 ELECTRIC/GAS). Each part is matched to the engine(s) it fits.

Do electrical connector parts differ between 2016 Toyota Highlander engines?

Some do. 52 parts fit every engine; the other 22 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.

What are the signs of electrical connector problems on a 2016 Toyota Highlander?

Common symptoms include intermittent faults that move when the harness is wiggled, green corrosion inside a plug, or melted connector housings near heat sources. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.

What should I replace at the same time?

Where labor overlaps, use heat-shrink crimp connectors rather than twist-and-tape for any pigtail splice, especially outside the cabin.

What do the market flags (US, CA, MX) on each part mean?

They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2016 Toyota Highlander was originally sold in the US, the safest choice is a part marked for the US market.

How do I make sure a part fits my 2016 Toyota Highlander?

First match the engine — each row shows which engine(s) the part fits. Then match the connector by terminal count and keyway, not just appearance — many families look identical but will not lock. The notes column carries position and trim qualifiers where they apply.

Other Parts for the 2016 Toyota Highlander

Electrical Connector Parts for Other Toyota Highlander 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.