2016 Toyota Avalon Electrical Connector Parts

Engine:

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

This page lists 67 electrical connector parts for the 2016 Toyota Avalon, across 38 part types, covering both the 2.5L L4 ELECTRIC/GAS and the 3.5L V6. Every part shows its brand, manufacturer part number and fitment notes.

On the 2016 Toyota Avalon, 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 ABS Wheel Speed Sensor Connector (7 parts), Ignition Coil Connector (6 parts) and Radio Connector (6 parts). The other 35 part types cover the remaining 48 parts.

A/C Compressor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines S2539
🇺🇸 US 🇨🇦 CA
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 Avalon engines 1711993
🇺🇸 US 🇨🇦 CA
Pressure Transducer Pigtail
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STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines S1028
🇺🇸 US 🇨🇦 CA
Gender: Female
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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
HOLSTEIN Popular Fits: all 2016 Avalon engines 2ABS2506
🇺🇸 US 🇨🇦 CA
Rear Left
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STANDARD MOTOR PRODUCTS Popular Fits: all 2016 Avalon engines S2826
🇺🇸 US 🇨🇦 CA
Includes ABS Wheel Speed Sensor Wire Harness
Fitment notes — STANDARD MOTOR PRODUCTS S2826
Includes ABS Wheel Speed Sensor Wire Harness
Fits:
Front Right
or:
Rear Right
or:
Rear Left
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BECK/ARNLEY Fits: all 2016 Avalon engines 0844932
🇺🇸 US 🇨🇦 CA
Rear Right
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BECK/ARNLEY Fits: all 2016 Avalon engines 0844933
🇺🇸 US 🇨🇦 CA
Rear Left
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HOLSTEIN Fits: all 2016 Avalon engines 2ABS2498
🇺🇸 US 🇨🇦 CA
Rear Right
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STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines ALH57
🇺🇸 US 🇨🇦 CA
Rear Right
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STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines ALH56
🇺🇸 US 🇨🇦 CA
Rear Left
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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 Avalon engines S2815
🇺🇸 US 🇨🇦 CA
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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: 3.5L V6 S2533
🇺🇸 US 🇨🇦 CA
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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 Avalon engines S986
🇺🇸 US 🇨🇦 CA
with Centered Index Slot
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WELLS Fits: all 2016 Avalon engines 1P2653
🇺🇸 US 🇨🇦 CA
with 2 Terminals
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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 Avalon engines S2846
🇺🇸 US 🇨🇦 CA
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 Avalon engines S3208
🇺🇸 US 🇨🇦 CA
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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: 2.5L L4 ELECTRIC/GAS 645744
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines S2837
🇺🇸 US 🇨🇦 CA
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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.

Coolant Level Sensor Connector

Brand Part Number Markets Notes Buy
WELLS Fits: all 2016 Avalon engines 1P1562
🇺🇸 US 🇨🇦 CA
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This table covers the harness connectors at the Coolant 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.

Crankshaft Position Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines S2808
🇺🇸 US 🇨🇦 CA
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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 Avalon engines S2818
🇺🇸 US 🇨🇦 CA
Gauge: 20 Gauge
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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.

Deck Lid / Liftgate Ajar Switch Connector

Brand Part Number Markets Notes Buy
ROSTRA Fits: all 2016 Avalon engines 650063
🇺🇸 US 🇨🇦 CA
Liftgate Glass Ajar Switch
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This table covers the harness connectors at the Deck Lid / Liftgate Ajar 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.

Fuel Injector Connector

Brand Part Number Markets Notes Buy
GB REMANUFACTURING Fits: all 2016 Avalon engines 5188
🇺🇸 US 🇨🇦 CA
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STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines S2328
🇺🇸 US 🇨🇦 CA
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 Avalon engines 1P4004
🇺🇸 US 🇨🇦 CA
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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 Sending Unit Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines S2873
🇺🇸 US 🇨🇦 CA
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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.

Ignition Coil Connector

Brand Part Number Markets Notes Buy
DORMAN Popular Fits: all 2016 Avalon engines 645940
🇺🇸 US 🇨🇦 CA
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STANDARD MOTOR PRODUCTS Popular Fits: all 2016 Avalon engines S2527
🇺🇸 US 🇨🇦 CA
Complete Assembly
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FVP Fits: all 2016 Avalon engines UF487F
🇺🇸 US 🇨🇦 CA
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STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines S3291
🇺🇸 US 🇨🇦 CA
with Housing
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UNITED MOTOR PRODUCTS Fits: all 2016 Avalon engines CON208
🇺🇸 US 🇨🇦 CA
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WALKER PRODUCTS Fits: all 2016 Avalon engines 2701082
🇺🇸 US 🇨🇦 CA
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: all 2016 Avalon engines S2328
🇺🇸 US 🇨🇦 CA
Connector Shape: Rectangular, OvalTerminal Quantity: 2
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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: 2.5L L4 ELECTRIC/GAS S1028
🇺🇸 US
Gender: Female
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ULTRA-POWER Fits: 2.5L L4 ELECTRIC/GAS 2701088
🇺🇸 US 🇨🇦 CA
Manifold Absolute Pressure Sensor Connector
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WALKER PRODUCTS Fits: 2.5L L4 ELECTRIC/GAS 2701088
🇺🇸 US
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This table covers the harness connectors at the Manifold Pressure (MAP) Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Mass Air Flow (MAF) Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines S1712
🇺🇸 US 🇨🇦 CA
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 Avalon engines S2538
🇺🇸 US 🇨🇦 CA
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 S3147
🇺🇸 US 🇨🇦 CA
Gauge: 18
Fitment notes — STANDARD MOTOR PRODUCTS S3147
Gauge: 18
Upstream Sensor
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STANDARD MOTOR PRODUCTS Fits: 3.5L V6 S1804
🇺🇸 US 🇨🇦 CA
LeftDownstream 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 Avalon engines S3297
🇺🇸 US 🇨🇦 CA
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 / Turn Signal Lamp Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines S2537
🇺🇸 US 🇨🇦 CA
Front
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This table covers the harness connectors at the Parking / Turn Signal 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.

Parking Aid Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines S2815
🇺🇸 US 🇨🇦 CA
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STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines S3293
🇺🇸 US 🇨🇦 CA
Front And 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 Avalon engines S3175
🇺🇸 US 🇨🇦 CA
Harness LengthCM: 38 CM
Fitment notes — STANDARD MOTOR PRODUCTS S3175
Harness LengthCM: 38 CM
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 Avalon engines 701761
🇺🇸 US 🇨🇦 CA
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 Avalon engines 711761
🇺🇸 US 🇨🇦 CA
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 Avalon engines AXSWCHT28
🇺🇸 US 🇨🇦 CA
Plug And Play Harness
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METRA Fits: all 2016 Avalon engines AXBUCHT3
🇺🇸 US 🇨🇦 CA
Radio Backup Camera Wiring Harness
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METRA Fits: all 2016 Avalon engines AXBUCHT16V
🇺🇸 US 🇨🇦 CA
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 Avalon engines AXBUCHT36V
🇺🇸 US 🇨🇦 CA
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 Avalon engines S2549
🇺🇸 US 🇨🇦 CA
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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 Avalon engines 37288
🇺🇸 US 🇨🇦 CA
2 Terminal Male
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UNITED MOTOR PRODUCTS Fits: all 2016 Avalon engines CON57
🇺🇸 US 🇨🇦 CA
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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 Avalon engines S2817
🇺🇸 US 🇨🇦 CA
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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 Fits: all 2016 Avalon engines 56350
🇺🇸 US 🇨🇦 CA
Custom Wiring Harness4-Way Flat
Fitment notes — CURT 56350
Custom Wiring Harness4-Way Flat
3-Wire System15-Amp Max
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TEKONSHA Fits: all 2016 Avalon engines 118578
🇺🇸 US 🇨🇦 CA
T-One Connector Assemblywith Upgraded Circuit Protected Modu Lite HD Module
Fitment notes — TEKONSHA 118578
T-One Connector Assemblywith Upgraded Circuit Protected Modu Lite HD Module
Drilling Required
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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 Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 2.5L L4 ELECTRIC/GAS S2818
🇺🇸 US
Gauge: 20 Gauge
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This table covers the harness connectors at the Vapor Canister. 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: all 2016 Avalon engines 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: all 2016 Avalon engines CON26
🇺🇸 US 🇨🇦 CA
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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 Leak Detection Pump Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines S2818
🇺🇸 US 🇨🇦 CA
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
STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines S1716
🇺🇸 US 🇨🇦 CA
Connector Shape: OvalWire Gauge (GA): 14
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WALKER PRODUCTS Fits: all 2016 Avalon engines 2701102
🇺🇸 US 🇨🇦 CA
Incl.Oil Control Valve
Fitment notes — WALKER PRODUCTS 2701102
Incl.Oil Control Valve
Fits:
Incl.Oil Control ValveExhaust (Right)
or:
Incl.Oil Control ValveIntak
or:
Incl.Oil Control ValveExhaust (Left)
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WELLS Fits: 3.5L V6 1P1680
🇺🇸 US 🇨🇦 CA
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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 Avalon engines S3320
🇺🇸 US 🇨🇦 CA
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 Avalon engines S3083
🇺🇸 US 🇨🇦 CA
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.

Wiper Motor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines S1423
🇺🇸 US 🇨🇦 CA
Front Unit
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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.

Buying Electrical Connector Parts for a 2016 Toyota Avalon

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: ABS Wheel Speed Sensor Connector and Ignition Coil Connector .

Frequently Asked Questions

How many electrical connector parts fit the 2016 Toyota Avalon?

Our catalog currently lists 67 electrical connector parts for the 2016 Toyota Avalon across 38 subcategories and 16 brands, covering both the 2.5L L4 ELECTRIC/GAS and the 3.5L V6. Each part is matched to the engine(s) it fits.

Do electrical connector parts differ between 2016 Toyota Avalon engines?

Some do. 58 parts fit every engine; the other 9 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 Avalon?

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 Avalon 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 Avalon?

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 Avalon

Electrical Connector Parts for Other Toyota Avalon Years

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