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.
The 2016 Toyota Avalon was sold with both the 2.5L L4 ELECTRIC/GAS and the 3.5L V6. 58 parts fit every engine; the other 9 are engine-specific. Each part shows which engine(s) it fits.
16 brands supply electrical connector parts for the 2016 Toyota Avalon, led by STANDARD MOTOR PRODUCTS (37 parts), METRA (6 parts) and WELLS (4 parts), plus 13 more brands.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2016 Toyota Avalon. 6 parts have it, including HOLSTEIN 2ABS2506 (ABS Wheel Speed Sensor Connector) and DORMAN 645940 (Ignition Coil Connector). Each part number opens a page with every vehicle that part fits.
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 | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2539.
A/C Refrigerant Pressure Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD Fits: all 2016 Avalon engines | 1711993 | 🇺🇸 US 🇨🇦 CA | Pressure Transducer Pigtail | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines | S1028 | 🇺🇸 US 🇨🇦 CA | Gender: Female | 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.
2 A/C Refrigerant Pressure Switch Connector parts are listed for the 2016 Toyota Avalon, from GPD and STANDARD MOTOR PRODUCTS. All of them fit every engine offered in the 2016 Avalon.
Part numbers include GPD 1711993 and STANDARD MOTOR PRODUCTS S1028.
ABS Wheel Speed Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN Popular Fits: all 2016 Avalon engines | 2ABS2506 | 🇺🇸 US 🇨🇦 CA | Rear Left | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: all 2016 Avalon engines | S2826 | 🇺🇸 US 🇨🇦 CA | Includes ABS Wheel Speed Sensor Wire Harness | View on Amazon |
| BECK/ARNLEY Fits: all 2016 Avalon engines | 0844932 | 🇺🇸 US 🇨🇦 CA | Rear Right | View on Amazon |
| BECK/ARNLEY Fits: all 2016 Avalon engines | 0844933 | 🇺🇸 US 🇨🇦 CA | Rear Left | View on Amazon |
| HOLSTEIN Fits: all 2016 Avalon engines | 2ABS2498 | 🇺🇸 US 🇨🇦 CA | Rear Right | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines | ALH57 | 🇺🇸 US 🇨🇦 CA | Rear Right | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines | ALH56 | 🇺🇸 US 🇨🇦 CA | Rear Left | 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.
7 ABS Wheel Speed Sensor Connector parts for the 2016 Toyota Avalon come from 3 brands — STANDARD MOTOR PRODUCTS, HOLSTEIN and BECK/ARNLEY. The "Popular" part is HOLSTEIN 2ABS2506. Every part fits both the 2.5L L4 ELECTRIC/GAS and the 3.5L V6.
Part numbers include HOLSTEIN 2ABS2506, STANDARD MOTOR PRODUCTS S2826 and BECK/ARNLEY 0844932, among others listed above.
Accelerator Pedal Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines | S2815 | 🇺🇸 US 🇨🇦 CA | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2815.
Alternator / Generator Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 3.5L V6 | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2533.
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 | View on Amazon |
| WELLS Fits: all 2016 Avalon engines | 1P2653 | 🇺🇸 US 🇨🇦 CA | with 2 Terminals | 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.
2 Ambient Air Temperature Sensor Connector parts for the 2016 Toyota Avalon come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS. Every part fits both the 2.5L L4 ELECTRIC/GAS and the 3.5L V6.
Part numbers include STANDARD MOTOR PRODUCTS S986 and WELLS 1P2653.
Blind Spot Detection Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines | S2846 | 🇺🇸 US 🇨🇦 CA | Gauge: 18 | View on Amazon |
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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2846.
Blower Motor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines | S3208 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
This group shows a single part: STANDARD MOTOR PRODUCTS S3208.
Camshaft Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 2.5L L4 ELECTRIC/GAS | 645744 | 🇺🇸 US | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines | S2837 | 🇺🇸 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.
2 Camshaft Position Sensor Connector parts for the 2016 Toyota Avalon come from 2 brands — DORMAN and STANDARD MOTOR PRODUCTS. 1 part fits every engine; the other 1 is engine-specific.
Part numbers include DORMAN 645744 and STANDARD MOTOR PRODUCTS S2837.
Coolant Level Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 2016 Avalon engines | 1P1562 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
This group shows a single part: WELLS 1P1562.
Crankshaft Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines | S2808 | 🇺🇸 US 🇨🇦 CA | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2808.
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 | View on Amazon |
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.
One part is listed for the 2016 Toyota Avalon — STANDARD MOTOR PRODUCTS S2818.
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 | View on Amazon |
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.
One part is listed for the 2016 Toyota Avalon — ROSTRA 650063.
Fuel Injector Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GB REMANUFACTURING Fits: all 2016 Avalon engines | 5188 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines | S2328 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Rectangular, OvalTerminal Quantity: 2 | 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.
2 Fuel Injector Connector parts for the 2016 Toyota Avalon come from 2 brands — GB REMANUFACTURING and STANDARD MOTOR PRODUCTS. Every part fits both the 2.5L L4 ELECTRIC/GAS and the 3.5L V6.
This group includes GB REMANUFACTURING 5188 and STANDARD MOTOR PRODUCTS S2328.
Fuel Pump / Circuit Opening Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 2016 Avalon 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.
One part is listed for the 2016 Toyota Avalon — WELLS 1P4004.
Fuel Sending Unit Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2873.
Ignition Coil Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: all 2016 Avalon engines | 645940 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Popular Fits: all 2016 Avalon engines | S2527 | 🇺🇸 US 🇨🇦 CA | Complete Assembly | View on Amazon |
| FVP Fits: all 2016 Avalon engines | UF487F | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines | S3291 | 🇺🇸 US 🇨🇦 CA | with Housing | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: all 2016 Avalon engines | CON208 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS Fits: all 2016 Avalon engines | 2701082 | 🇺🇸 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.
6 Ignition Coil Connector parts for the 2016 Toyota Avalon come from 5 brands — STANDARD MOTOR PRODUCTS, DORMAN, FVP and 2 other brands. The "Popular" part is DORMAN 645940. Every part fits both the 2.5L L4 ELECTRIC/GAS and the 3.5L V6.
Part numbers include DORMAN 645940, STANDARD MOTOR PRODUCTS S2527 and FVP UF487F, among others listed above.
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 | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2328.
Manifold Pressure (MAP) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 ELECTRIC/GAS | S1028 | 🇺🇸 US | Gender: Female | View on Amazon |
| ULTRA-POWER Fits: 2.5L L4 ELECTRIC/GAS | 2701088 | 🇺🇸 US 🇨🇦 CA | Manifold Absolute Pressure Sensor Connector | View on Amazon |
| WALKER PRODUCTS Fits: 2.5L L4 ELECTRIC/GAS | 2701088 | 🇺🇸 US | View on Amazon |
This table covers the harness connectors at the Manifold Pressure (MAP) Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
3 Manifold Pressure (MAP) Sensor Connector parts for the 2016 Toyota Avalon come from 3 brands — STANDARD MOTOR PRODUCTS, ULTRA-POWER and WALKER PRODUCTS.
This group includes STANDARD MOTOR PRODUCTS S1028 and ULTRA-POWER 2701088 and the remaining parts above.
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 | 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.
One part is listed for the 2016 Toyota Avalon — STANDARD MOTOR PRODUCTS S1712.
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 | View on Amazon |
This table covers the harness connectors at the Oil Pressure Sender / Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 2016 Toyota Avalon — STANDARD MOTOR PRODUCTS S2538.
Oxygen (O2) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 3.5L V6 | S3147 | 🇺🇸 US 🇨🇦 CA | Gauge: 18 | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.5L V6 | S1804 | 🇺🇸 US 🇨🇦 CA | LeftDownstream Sensor | 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.
2 Oxygen (O2) Sensor Connector parts for the 2016 Toyota Avalon come from STANDARD MOTOR PRODUCTS.
Listed part numbers: STANDARD MOTOR PRODUCTS S3147 and STANDARD MOTOR PRODUCTS S1804.
Park Assist (PAS) Camera Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines | S3297 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
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.
One part is listed for the 2016 Toyota Avalon — STANDARD MOTOR PRODUCTS S3297.
Parking / Turn Signal Lamp Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines | S2537 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2537.
Parking Aid Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines | S2815 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines | S3293 | 🇺🇸 US 🇨🇦 CA | Front And Rear | View on Amazon |
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.
2 Parking Aid Sensor Connector parts for the 2016 Toyota Avalon come from STANDARD MOTOR PRODUCTS. Every part fits both the 2.5L L4 ELECTRIC/GAS and the 3.5L V6.
This group includes STANDARD MOTOR PRODUCTS S2815 and STANDARD MOTOR PRODUCTS S3293.
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 | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S3175.
Radio Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| METRA Popular Fits: all 2016 Avalon engines | 701761 | 🇺🇸 US 🇨🇦 CA | TURBOWireWire Harness | View on Amazon |
| METRA Popular Fits: all 2016 Avalon engines | 711761 | 🇺🇸 US 🇨🇦 CA | TURBOWireRepair Wire Harness | View on Amazon |
| METRA Fits: all 2016 Avalon engines | AXSWCHT28 | 🇺🇸 US 🇨🇦 CA | Plug And Play Harness | View on Amazon |
| METRA Fits: all 2016 Avalon engines | AXBUCHT3 | 🇺🇸 US 🇨🇦 CA | Radio Backup Camera Wiring Harness | View on Amazon |
| METRA Fits: all 2016 Avalon engines | AXBUCHT16V | 🇺🇸 US 🇨🇦 CA | Radio Backup Camera Wiring HarnessIncludes Axcsd-6V | View on Amazon |
| METRA Fits: all 2016 Avalon engines | AXBUCHT36V | 🇺🇸 US 🇨🇦 CA | Radio Backup Camera Wiring HarnessIncludes Axcsd-6V | View on Amazon |
This table covers the harness connectors at the Radio. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
METRA supplies the 6 Radio Connector parts for the 2016 Toyota Avalon. METRA 701761 carries the "Popular" badge. All of them fit every engine offered in the 2016 Avalon.
This group includes METRA 701761, METRA 711761 and METRA AXSWCHT28 and the remaining parts above.
Starter Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines | S2549 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2549.
Temperature Sender / Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Fits: all 2016 Avalon engines | 37288 | 🇺🇸 US 🇨🇦 CA | 2 Terminal Male | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: all 2016 Avalon engines | CON57 | 🇺🇸 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.
2 Temperature Sender / Sensor Connector parts for the 2016 Toyota Avalon come from 2 brands — FOUR SEASONS and UNITED MOTOR PRODUCTS. Every part fits both the 2.5L L4 ELECTRIC/GAS and the 3.5L V6.
Listed part numbers: FOUR SEASONS 37288 and UNITED MOTOR PRODUCTS CON57.
Throttle Control Actuator Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines | S2817 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2817.
Trailer Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CURT Fits: all 2016 Avalon engines | 56350 | 🇺🇸 US 🇨🇦 CA | Custom Wiring Harness4-Way Flat | View on Amazon |
| TEKONSHA Fits: all 2016 Avalon engines | 118578 | 🇺🇸 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.
2 Trailer Connector parts are listed for the 2016 Toyota Avalon, from CURT and TEKONSHA. All of them fit every engine offered in the 2016 Avalon.
This group includes CURT 56350 and TEKONSHA 118578.
Vapor Canister Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 ELECTRIC/GAS | S2818 | 🇺🇸 US | Gauge: 20 Gauge | View on Amazon |
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.
One part is listed for the 2016 Toyota Avalon — STANDARD MOTOR PRODUCTS S2818.
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 | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: all 2016 Avalon engines | CON26 | 🇺🇸 US 🇨🇦 CA | 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.
2 Vapor Canister Purge Valve / Solenoid Connector parts for the 2016 Toyota Avalon come from 2 brands — STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS. Every part fits both the 2.5L L4 ELECTRIC/GAS and the 3.5L V6.
This group includes STANDARD MOTOR PRODUCTS S1530 and UNITED MOTOR PRODUCTS CON26.
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 | View on Amazon |
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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2818.
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 | View on Amazon |
| WALKER PRODUCTS Fits: all 2016 Avalon engines | 2701102 | 🇺🇸 US 🇨🇦 CA | Incl.Oil Control Valve | View on Amazon |
| WELLS Fits: 3.5L V6 | 1P1680 | 🇺🇸 US 🇨🇦 CA | 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 for the 2016 Toyota Avalon come from 3 brands — STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and WELLS. 2 parts fit every engine; the other 1 is engine-specific.
Listed part numbers: 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 2016 Avalon engines | S3320 | 🇺🇸 US 🇨🇦 CA | Front Unit | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S3320.
Washer Pump Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon engines | S3083 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Rectangle | View on Amazon |
This table covers the harness connectors at the Washer Pump. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
This group shows a single part: STANDARD MOTOR PRODUCTS S3083.
Wiper Motor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 Avalon 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S1423.
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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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.