2016 Toyota 4RUNNER Electrical Switch & Relay Parts

Engine:
4.0L V6

The 2016 Toyota 4RUNNER has 167 electrical switch & relay parts with verified fitment on this page — 46 part types and 20 brands, covering the 4.0L V6 engine. Each part includes a manufacturer part number and application notes.

On the 2016 Toyota 4RUNNER, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches. 30 parts of the 167 listed are Oil Pressure Sender / Switch (14 parts), A/C Compressor Relay (8 parts) and Cruise Control Switch (8 parts). The other 43 part types cover the remaining 137 parts.

4WD Switch

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS TCA112
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the 4WD switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

A/C Compressor Relay

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular RY465T
🇺🇸 US 🇨🇦 CA
T-Series
Fitment notes — STANDARD MOTOR PRODUCTS RY465T
T-Series
Fits:
Compressor Clutch Relayor Rectangular Relaywith 4 Blade TerminalsControl Relay
View on
Amazon
STANDARD MOTOR PRODUCTS Popular RY465
🇺🇸 US 🇨🇦 CA
Fits Compressor Clutch Relayor Rectangular Relaywith 4 Blade Terminals
Fitment notes — STANDARD MOTOR PRODUCTS RY465
Fits:
Compressor Clutch Relayor Rectangular Relaywith 4 Blade TerminalsControl Relay
View on
Amazon
DENSO 5670020
🇺🇸 US 🇨🇦 CA
Clutch Relay
View on
Amazon
FOUR SEASONS 35874
🇺🇸 US 🇨🇦 CA
Control Relay
View on
Amazon
HOLSTEIN 2RSW1004
🇺🇸 US 🇨🇦 CA
Control Relay
View on
Amazon
ROSTRA 600008
🇺🇸 US 🇨🇦 CA
Amperage Rating: 30 AmpereConnector Shape: Rectangle
Fitment notes — ROSTRA 600008
Amperage Rating: 30 AmpereConnector Shape: RectangleVoltage: 12 Volts (Direct Current)
Fits:
Control Relayor Clutch Relay
View on
Amazon
UNITED MOTOR PRODUCTS RLY26
🇺🇸 US 🇨🇦 CA
Control Relay
View on
Amazon
WELLS 1R1696
🇺🇸 US 🇨🇦 CA
Connector Gender: MaleMounting Hardware Included: No
Fitment notes — WELLS 1R1696
Connector Gender: MaleMounting Hardware Included: NoTerminal Quantity: 4Voltage: 12.0 VDC
Fits:
Control Relayor Clutch Relay
View on
Amazon

This table covers the relays that control the A/C Compressor circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

A/C Condenser Fan Motor Relay

Brand Part Number Markets Notes Buy
DENSO 5670020
🇺🇸 US 🇨🇦 CA
View on
Amazon
STANDARD MOTOR PRODUCTS RY465T
🇺🇸 US 🇨🇦 CA
T-Series
View on
Amazon
STANDARD MOTOR PRODUCTS RY465
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the relays that control the A/C Condenser Fan Motor circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

A/C Refrigerant Pressure Switch

Brand Part Number Markets Notes Buy
FOUR SEASONS Popular 20929
🇺🇸 US 🇨🇦 CA
Pressure Switch
View on
Amazon
GPD 1711470
🇺🇸 US 🇨🇦 CA
Binary Switch
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Amazon
STANDARD MOTOR PRODUCTS PCS147
🇺🇸 US 🇨🇦 CA
CUT-OFF
View on
Amazon
UAC SW4003C
🇺🇸 US 🇨🇦 CA
Binary Hpco/Lpco Switch
View on
Amazon
WELLS 1S16190
🇺🇸 US 🇨🇦 CA
CUT-OFF
View on
Amazon

This table covers the pressure switches on the A/C circuit. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

A/C Thermo Switch

Brand Part Number Markets Notes Buy
GPD 1713025
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the A/C Thermo switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Accessory Power Relay

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS RY348T
🇺🇸 US 🇨🇦 CA
T-Series
View on
Amazon
STANDARD MOTOR PRODUCTS RY348
🇺🇸 US 🇨🇦 CA
Connector Shape: RectangularTerminal Type: Blade
View on
Amazon

This table covers the relays that control the Accessory Power circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Back Up / Reverse Lamp Switch

Brand Part Number Markets Notes Buy
AUTOTECNICA TY1320547
🇺🇸 US 🇨🇦 CA
LimitedTerminal Type: Blade Pin
View on
Amazon

This table covers the Back Up / Reverse Lamp switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Blower Motor Relay

Brand Part Number Markets Notes Buy
DENSO 5670003
🇺🇸 US 🇨🇦 CA
39795-SJK-004
View on
Amazon
DENSO 5670004
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the relays that control the Blower Motor circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Brake Light Switch

Economy

Brand Part Number Markets Notes Buy
VEMO V70730030
🇺🇸 US 🇨🇦 CA
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
ROSTRA 620213
🇺🇸 US 🇨🇦 CA
View on
Amazon
STANDARD MOTOR PRODUCTS SLS527
🇺🇸 US 🇨🇦 CA
View on
Amazon
WELLS 1S12115
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the pedal-mounted switch that turns on the brake lamps. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Computer Control Relay

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular RY465T
🇺🇸 US 🇨🇦 CA
T-Series
Fitment notes — STANDARD MOTOR PRODUCTS RY465T
T-Series
Rectangular Relaywith 4 Blade Terminals
View on
Amazon
STANDARD MOTOR PRODUCTS Popular RY465
🇺🇸 US 🇨🇦 CA
Rectangular Relaywith 4 Blade Terminals
View on
Amazon
HOLSTEIN 2RSW1004
🇺🇸 US 🇨🇦 CA
View on
Amazon
ROSTRA 600008
🇺🇸 US 🇨🇦 CA
Amperage Rating: 30 AmpereConnector Shape: Rectangle
Fitment notes — ROSTRA 600008
Amperage Rating: 30 AmpereConnector Shape: RectangleVoltage: 12 Volts (Direct Current)
View on
Amazon
UNITED MOTOR PRODUCTS RLY26
🇺🇸 US 🇨🇦 CA
View on
Amazon
WELLS 1R1696
🇺🇸 US 🇨🇦 CA
Connector Gender: MaleMounting Hardware Included: No
Fitment notes — WELLS 1R1696
Connector Gender: MaleMounting Hardware Included: NoTerminal Quantity: 4Voltage: 12.0 VDC
View on
Amazon

This table covers the relays that control the Computer Control circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Cruise Control Switch

Economy

Brand Part Number Markets Notes Buy
AUTOTECNICA Popular TY1315227
🇺🇸 US 🇨🇦 CA
View on
Amazon
DORMAN Popular 920717
🇺🇸 US 🇨🇦 CA
View on
Amazon
SHEE-MAR SM176
🇺🇸 US 🇨🇦 CA
View on
Amazon
SKP SKSM176
🇺🇸 US 🇨🇦 CA
without Harness
View on
Amazon
SKP SKCCA1022
🇺🇸 US 🇨🇦 CA
with Harness
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
ROSTRA 660078
🇺🇸 US 🇨🇦 CA
View on
Amazon
STANDARD MOTOR PRODUCTS CCA1022
🇺🇸 US 🇨🇦 CA
View on
Amazon
WELLS 1S10717
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the Cruise Control switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Daytime Running Light Relay

Brand Part Number Markets Notes Buy
DENSO 5670003
🇺🇸 US 🇨🇦 CA
39795-SJK-004
View on
Amazon
DENSO 5670004
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the relays that control the Daytime Running Light circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Defroster Relay

Brand Part Number Markets Notes Buy
DENSO 5670003
🇺🇸 US 🇨🇦 CA
39795-SJK-004
View on
Amazon
DENSO 5670004
🇺🇸 US 🇨🇦 CA
View on
Amazon
ROSTRA 600008
🇺🇸 US 🇨🇦 CA
Amperage Rating: 30 AmpereConnector Shape: Rectangle
Fitment notes — ROSTRA 600008
Amperage Rating: 30 AmpereConnector Shape: RectangleVoltage: 12 Volts (Direct Current)Rear
View on
Amazon
WELLS 1R1696
🇺🇸 US 🇨🇦 CA
Connector Gender: MaleMounting Hardware Included: No
Fitment notes — WELLS 1R1696
Connector Gender: MaleMounting Hardware Included: NoTerminal Quantity: 4Voltage: 12.0 VDC
View on
Amazon

This table covers the relays that control the Defroster circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Dimmer Switch

Brand Part Number Markets Notes Buy
WELLS 1S12165
🇺🇸 US 🇨🇦 CA
without Automatic Headlightswith Fog Lights
View on
Amazon

This table covers the dimmer switches that select headlamp high and low beam. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Door Jamb Switch

Brand Part Number Markets Notes Buy
AUTOTECNICA TY1320845
🇺🇸 US 🇨🇦 CA
FrontSwitch Activation Type: Press
View on
Amazon
ROSTRA 650063
🇺🇸 US 🇨🇦 CA
Front
View on
Amazon
WELLS 1S1730
🇺🇸 US 🇨🇦 CA
Rear
View on
Amazon
WELLS 1S3180
🇺🇸 US 🇨🇦 CA
Connector Gender: Female
Fitment notes — WELLS 1S3180
Connector Gender: Female
Front
View on
Amazon

This table covers the Door Jamb switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Engine Control Module Relay

Brand Part Number Markets Notes Buy
DENSO 5670003
🇺🇸 US 🇨🇦 CA
39795-SJK-004
View on
Amazon
DENSO 5670004
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the relays that control the Engine Control Module circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Fog / Driving Lamp Relay

Brand Part Number Markets Notes Buy
ROSTRA Popular 600008
🇺🇸 US 🇨🇦 CA
Amperage Rating: 30 AmpereConnector Shape: Rectangle
Fitment notes — ROSTRA 600008
Amperage Rating: 30 AmpereConnector Shape: RectangleVoltage: 12 Volts (Direct Current)
View on
Amazon
WELLS Popular 1R1696
🇺🇸 US 🇨🇦 CA
Connector Gender: MaleMounting Hardware Included: No
Fitment notes — WELLS 1R1696
Connector Gender: MaleMounting Hardware Included: NoTerminal Quantity: 4Voltage: 12.0 VDC
View on
Amazon
DENSO 5670003
🇺🇸 US 🇨🇦 CA
39795-SJK-004
View on
Amazon
DENSO 5670004
🇺🇸 US 🇨🇦 CA
View on
Amazon
HOLSTEIN 2RSW1004
🇺🇸 US 🇨🇦 CA
View on
Amazon
STANDARD MOTOR PRODUCTS RY348T
🇺🇸 US 🇨🇦 CA
T-Series
Fitment notes — STANDARD MOTOR PRODUCTS RY348T
T-Series
with 4 Blade Terminals
View on
Amazon
STANDARD MOTOR PRODUCTS RY348
🇺🇸 US 🇨🇦 CA
Connector Shape: RectangularTerminal Type: Blade
Fitment notes — STANDARD MOTOR PRODUCTS RY348
Connector Shape: RectangularTerminal Type: Blade
with 4 Blade Terminals
View on
Amazon
UNITED MOTOR PRODUCTS RLY26
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the relays that control the Fog / Driving Lamp circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Fog / Driving Lamp Switch

Brand Part Number Markets Notes Buy
WELLS 1S12165
🇺🇸 US 🇨🇦 CA
without Automatic Headlightswith Fog Lights
View on
Amazon

This table covers the Fog / Driving Lamp switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Fuel Injection Pump Relay

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular RY465T
🇺🇸 US 🇨🇦 CA
T-Series
Fitment notes — STANDARD MOTOR PRODUCTS RY465T
T-Series
Rectangular Relaywith 4 Blade Terminals
View on
Amazon
STANDARD MOTOR PRODUCTS Popular RY465
🇺🇸 US 🇨🇦 CA
Rectangular Relaywith 4 Blade Terminals
View on
Amazon
HOLSTEIN 2RSW1004
🇺🇸 US 🇨🇦 CA
View on
Amazon
ROSTRA 600008
🇺🇸 US 🇨🇦 CA
Amperage Rating: 30 AmpereConnector Shape: Rectangle
Fitment notes — ROSTRA 600008
Amperage Rating: 30 AmpereConnector Shape: RectangleVoltage: 12 Volts (Direct Current)
View on
Amazon
UNITED MOTOR PRODUCTS RLY26
🇺🇸 US 🇨🇦 CA
View on
Amazon
WELLS 1R1696
🇺🇸 US 🇨🇦 CA
Connector Gender: MaleMounting Hardware Included: No
Fitment notes — WELLS 1R1696
Connector Gender: MaleMounting Hardware Included: NoTerminal Quantity: 4Voltage: 12.0 VDC
View on
Amazon

This table covers the relays that control the Fuel Injection Pump circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Fuel Injection Relay

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular RY465T
🇺🇸 US 🇨🇦 CA
T-Series
Fitment notes — STANDARD MOTOR PRODUCTS RY465T
T-Series
Rectangular Relaywith 4 Blade Terminals
View on
Amazon
STANDARD MOTOR PRODUCTS Popular RY465
🇺🇸 US 🇨🇦 CA
Rectangular Relaywith 4 Blade Terminals
View on
Amazon
HOLSTEIN 2RSW1004
🇺🇸 US 🇨🇦 CA
View on
Amazon
ROSTRA 600008
🇺🇸 US 🇨🇦 CA
Amperage Rating: 30 AmpereConnector Shape: Rectangle
Fitment notes — ROSTRA 600008
Amperage Rating: 30 AmpereConnector Shape: RectangleVoltage: 12 Volts (Direct Current)
View on
Amazon
UNITED MOTOR PRODUCTS RLY26
🇺🇸 US 🇨🇦 CA
View on
Amazon
WELLS 1R1696
🇺🇸 US 🇨🇦 CA
Connector Gender: MaleMounting Hardware Included: No
Fitment notes — WELLS 1R1696
Connector Gender: MaleMounting Hardware Included: NoTerminal Quantity: 4Voltage: 12.0 VDC
View on
Amazon

This table covers the relays that control the Fuel Injection circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Fuel Pump / Circuit Opening Relay

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular RY465T
🇺🇸 US 🇨🇦 CA
T-Series
Fitment notes — STANDARD MOTOR PRODUCTS RY465T
T-Series
Rectangular Relaywith 4 Blade TerminalsMain
View on
Amazon
STANDARD MOTOR PRODUCTS Popular RY465
🇺🇸 US 🇨🇦 CA
Rectangular Relaywith 4 Blade Terminals
Fitment notes — STANDARD MOTOR PRODUCTS RY465
Rectangular Relaywith 4 Blade TerminalsMain
View on
Amazon
DENSO 5670004
🇺🇸 US 🇨🇦 CA
View on
Amazon
HOLSTEIN 2RSW1004
🇺🇸 US 🇨🇦 CA
Main
View on
Amazon
ROSTRA 600008
🇺🇸 US 🇨🇦 CA
Amperage Rating: 30 AmpereConnector Shape: Rectangle
Fitment notes — ROSTRA 600008
Amperage Rating: 30 AmpereConnector Shape: RectangleVoltage: 12 Volts (Direct Current)
Main
View on
Amazon
UNITED MOTOR PRODUCTS RLY26
🇺🇸 US 🇨🇦 CA
Main
View on
Amazon
WELLS 1R1696
🇺🇸 US 🇨🇦 CA
Connector Gender: MaleMounting Hardware Included: No
Fitment notes — WELLS 1R1696
Connector Gender: MaleMounting Hardware Included: NoTerminal Quantity: 4Voltage: 12.0 VDC
Main
View on
Amazon

This table covers the relays that control the Fuel Pump / Circuit Opening circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Hazard Warning Switch

Brand Part Number Markets Notes Buy
ROSTRA 710121
🇺🇸 US 🇨🇦 CA
View on
Amazon
WELLS 1S12184
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the Hazard Warning switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Headlamp Relay

Brand Part Number Markets Notes Buy
DENSO 5670003
🇺🇸 US 🇨🇦 CA
39795-SJK-004
View on
Amazon
ROSTRA 600105
🇺🇸 US 🇨🇦 CA
Connector Shape: SquareVoltage: 12 Volts (Direct Current)
View on
Amazon
WELLS 1R1452
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the relays that control the Headlamp circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Headlamp Switch

Brand Part Number Markets Notes Buy
WELLS 1S12165
🇺🇸 US 🇨🇦 CA
without Automatic Headlightswith Fog Lights
View on
Amazon

This table covers the column or dash switches that control the exterior lamps. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Horn Relay

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular RY465T
🇺🇸 US 🇨🇦 CA
T-Series
Fitment notes — STANDARD MOTOR PRODUCTS RY465T
T-Series
Rectangular Relaywith 4 Blade Terminals
View on
Amazon
STANDARD MOTOR PRODUCTS Popular RY465
🇺🇸 US 🇨🇦 CA
Rectangular Relaywith 4 Blade Terminals
View on
Amazon
DENSO 5670004
🇺🇸 US 🇨🇦 CA
View on
Amazon
HOLSTEIN 2RSW1004
🇺🇸 US 🇨🇦 CA
View on
Amazon
ROSTRA 600008
🇺🇸 US 🇨🇦 CA
Amperage Rating: 30 AmpereConnector Shape: Rectangle
Fitment notes — ROSTRA 600008
Amperage Rating: 30 AmpereConnector Shape: RectangleVoltage: 12 Volts (Direct Current)
View on
Amazon
UNITED MOTOR PRODUCTS RLY26
🇺🇸 US 🇨🇦 CA
View on
Amazon
WELLS 1R1696
🇺🇸 US 🇨🇦 CA
Connector Gender: MaleMounting Hardware Included: No
Fitment notes — WELLS 1R1696
Connector Gender: MaleMounting Hardware Included: NoTerminal Quantity: 4Voltage: 12.0 VDC
View on
Amazon

This table covers the relays that control the Horn circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Ignition Starter Switch

Economy

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular US292T
🇺🇸 US 🇨🇦 CA
T-Series
View on
Amazon
DORMAN 989719
🇺🇸 US 🇨🇦 CA
View on
Amazon
VEMO V70800001
🇺🇸 US 🇨🇦 CA
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular US292
🇺🇸 US 🇨🇦 CA
View on
Amazon
STANDARD MOTOR PRODUCTS US1388
🇺🇸 US 🇨🇦 CA
DASH MOUNTED
View on
Amazon
WELLS 1S12932
🇺🇸 US 🇨🇦 CA
with Push Button Switchwith Purple Connector
View on
Amazon

This table covers the ignition switches that feed the starter circuit. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Interior Light Relay

Brand Part Number Markets Notes Buy
ROSTRA 600008
🇺🇸 US 🇨🇦 CA
Amperage Rating: 30 AmpereConnector Shape: Rectangle
Fitment notes — ROSTRA 600008
Amperage Rating: 30 AmpereConnector Shape: RectangleVoltage: 12 Volts (Direct Current)
View on
Amazon
WELLS 1R1696
🇺🇸 US 🇨🇦 CA
Connector Gender: MaleMounting Hardware Included: No
Fitment notes — WELLS 1R1696
Connector Gender: MaleMounting Hardware Included: NoTerminal Quantity: 4Voltage: 12.0 VDC
View on
Amazon

This table covers the relays that control the Interior Light circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Neutral Safety Switch / Range Sensor

Brand Part Number Markets Notes Buy
ROSTRA 670607
🇺🇸 US 🇨🇦 CA
View on
Amazon
STANDARD MOTOR PRODUCTS NS504
🇺🇸 US 🇨🇦 CA
Finish: Aluminum, Plastic
View on
Amazon
WELLS 1S11387
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the Neutral Safety Switch / Range sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.

Oil Pressure Sender / Switch

Economy

Brand Part Number Markets Notes Buy
AUTOTECNICA HA1317729
🇺🇸 US 🇨🇦 CA
View on
Amazon
HOLSTEIN 2OPS0003
🇺🇸 US 🇨🇦 CA
View on
Amazon
STANDARD MOTOR PRODUCTS PS305T
🇺🇸 US 🇨🇦 CA
T-SeriesBlack
View on
Amazon
UNITED MOTOR PRODUCTS OPS135
🇺🇸 US 🇨🇦 CA
with Light
View on
Amazon
VEMO V95730004
🇺🇸 US 🇨🇦 CA
0.2 Bar / 1/8 GASPlug (Connector): 1 Pin
View on
Amazon
WALKER PRODUCTS 2561037
🇺🇸 US 🇨🇦 CA
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
BECK/ARNLEY Popular 2011649
🇺🇸 US 🇨🇦 CA
with Light
View on
Amazon
HELLA Popular 003259511
🇺🇸 US 🇨🇦 CA
1-Pin ConnectorColor: Black
Fitment notes — HELLA 003259511
1-Pin ConnectorColor: Black
Normally Closed Contact
View on
Amazon
WELLS Popular 1S6653
🇺🇸 US 🇨🇦 CA
View on
Amazon
ACDELCO E1805A
🇺🇸 US 🇨🇦 CA
Gold
View on
Amazon
FACET 70114
🇺🇸 US 🇨🇦 CA
Nominal working pressure in bar: 0,20with light
View on
Amazon
GPD 1815265
🇺🇸 US 🇨🇦 CA
with Light
View on
Amazon
ROSTRA 501217
🇺🇸 US 🇨🇦 CA
Connector Shape: Square
View on
Amazon
STANDARD MOTOR PRODUCTS PS305
🇺🇸 US 🇨🇦 CA
Finish: Aluminum, PlasticBlack
View on
Amazon

This table covers the senders and switches that report oil pressure to the gauge or lamp. Typical signs include a lamp that stays on, or a gauge that never moves. Confirm power and ground at the connector before replacing the sender or switch.

Outside Mirror Relay

Brand Part Number Markets Notes Buy
ROSTRA 600008
🇺🇸 US 🇨🇦 CA
Amperage Rating: 30 AmpereConnector Shape: Rectangle
Fitment notes — ROSTRA 600008
Amperage Rating: 30 AmpereConnector Shape: RectangleVoltage: 12 Volts (Direct Current)
View on
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WELLS 1R1696
🇺🇸 US 🇨🇦 CA
Connector Gender: MaleMounting Hardware Included: No
Fitment notes — WELLS 1R1696
Connector Gender: MaleMounting Hardware Included: NoTerminal Quantity: 4Voltage: 12.0 VDC
View on
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This table covers the relays that control the Outside Mirror circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Outside Mirror Switch

Brand Part Number Markets Notes Buy
DORMAN 920730
🇺🇸 US 🇨🇦 CA
Front Left
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This table covers the Outside Mirror switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Parking Brake Switch

Brand Part Number Markets Notes Buy
WELLS 1S7500
🇺🇸 US 🇨🇦 CA
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This table covers the Parking Brake switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Power Steering Relay

Brand Part Number Markets Notes Buy
DENSO 5670003
🇺🇸 US 🇨🇦 CA
39795-SJK-004
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This table covers the relays that control the Power Steering circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Power Window Relay

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular RY465T
🇺🇸 US 🇨🇦 CA
T-Series
Fitment notes — STANDARD MOTOR PRODUCTS RY465T
T-Series
Rectangular Relaywith 4 Blade Terminals
View on
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STANDARD MOTOR PRODUCTS Popular RY465
🇺🇸 US 🇨🇦 CA
Rectangular Relaywith 4 Blade Terminals
View on
Amazon
DENSO 5670004
🇺🇸 US 🇨🇦 CA
View on
Amazon
HOLSTEIN 2RSW1004
🇺🇸 US 🇨🇦 CA
View on
Amazon
ROSTRA 600008
🇺🇸 US 🇨🇦 CA
Amperage Rating: 30 AmpereConnector Shape: Rectangle
Fitment notes — ROSTRA 600008
Amperage Rating: 30 AmpereConnector Shape: RectangleVoltage: 12 Volts (Direct Current)
View on
Amazon
UNITED MOTOR PRODUCTS RLY26
🇺🇸 US 🇨🇦 CA
View on
Amazon
WELLS 1R1696
🇺🇸 US 🇨🇦 CA
Connector Gender: MaleMounting Hardware Included: No
Fitment notes — WELLS 1R1696
Connector Gender: MaleMounting Hardware Included: NoTerminal Quantity: 4Voltage: 12.0 VDC
View on
Amazon

This table covers the relays that control the Power Window circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Power Window Switch

Economy

Brand Part Number Markets Notes Buy
DORMAN 920741
🇺🇸 US 🇨🇦 CA
Fits Front Right
Fitment notes — DORMAN 920741
Fits:
Front Right
or:
Rear Right
or:
Rear Left
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DORMAN 920736
🇺🇸 US 🇨🇦 CA
Front Left
View on
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Standard Replacement

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS DWS2033
🇺🇸 US 🇨🇦 CA
Front Left
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WELLS 1S17462
🇺🇸 US 🇨🇦 CA
Front Left
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This table covers the switches that command each window motor. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Radiator Fan Relay

Brand Part Number Markets Notes Buy
DENSO 5670003
🇺🇸 US 🇨🇦 CA
39795-SJK-004Motor Relay
View on
Amazon
DENSO 5670004
🇺🇸 US 🇨🇦 CA
Motor Relay
View on
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This table covers the relays that control the Radiator Fan circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Seat Heater Relay

Brand Part Number Markets Notes Buy
DENSO 5670004
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the relays that control the Seat Heater circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Starter Motor Control Relay

Brand Part Number Markets Notes Buy
BOSCH Popular 0986AH0091
🇺🇸 US 🇨🇦 CA
View on
Amazon
DENSO Popular 5670003
🇺🇸 US 🇨🇦 CA
39795-SJK-004
View on
Amazon
DENSO 5670004
🇺🇸 US 🇨🇦 CA
View on
Amazon
ROSTRA 600322
🇺🇸 US 🇨🇦 CA
Amperage Rating: 20 AmpereTerminal Quantity: 4
View on
Amazon
STANDARD MOTOR PRODUCTS RY348T
🇺🇸 US 🇨🇦 CA
T-Series
View on
Amazon
STANDARD MOTOR PRODUCTS RY348
🇺🇸 US 🇨🇦 CA
Connector Shape: RectangularTerminal Type: Blade
View on
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UNITED MOTOR PRODUCTS RLY75
🇺🇸 US 🇨🇦 CA
View on
Amazon
WELLS 1R1599
🇺🇸 US 🇨🇦 CA
Mounting Hardware Included: No
View on
Amazon

This table covers the relays that control the Starter Motor Control circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Tail Lamp Relay

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular RY465T
🇺🇸 US 🇨🇦 CA
T-Series
Fitment notes — STANDARD MOTOR PRODUCTS RY465T
T-Series
Rectangular Relaywith 4 Blade Terminals
View on
Amazon
STANDARD MOTOR PRODUCTS Popular RY465
🇺🇸 US 🇨🇦 CA
Rectangular Relaywith 4 Blade Terminals
View on
Amazon
DENSO 5670004
🇺🇸 US 🇨🇦 CA
View on
Amazon
HOLSTEIN 2RSW1004
🇺🇸 US 🇨🇦 CA
View on
Amazon
ROSTRA 600008
🇺🇸 US 🇨🇦 CA
Amperage Rating: 30 AmpereConnector Shape: Rectangle
Fitment notes — ROSTRA 600008
Amperage Rating: 30 AmpereConnector Shape: RectangleVoltage: 12 Volts (Direct Current)
View on
Amazon
UNITED MOTOR PRODUCTS RLY26
🇺🇸 US 🇨🇦 CA
View on
Amazon
WELLS 1R1696
🇺🇸 US 🇨🇦 CA
Connector Gender: MaleMounting Hardware Included: No
Fitment notes — WELLS 1R1696
Connector Gender: MaleMounting Hardware Included: NoTerminal Quantity: 4Voltage: 12.0 VDC
View on
Amazon

This table covers the relays that control the Tail Lamp circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Trailer Tow Relay

Brand Part Number Markets Notes Buy
ROSTRA 600105
🇺🇸 US 🇨🇦 CA
Connector Shape: SquareVoltage: 12 Volts (Direct Current)
View on
Amazon
WELLS 1R1452
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the relays that control the Trailer Tow circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Trunk Lid / Tailgate Release Switch

Brand Part Number Markets Notes Buy
AUTOTECNICA TY0819914
🇺🇸 US 🇨🇦 CA
Door Opener
View on
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DORMAN 901725
🇺🇸 US 🇨🇦 CA
Tailgate
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SKP SK901725
🇺🇸 US 🇨🇦 CA
View on
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This table covers the Trunk Lid / Tailgate Release switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Turn Signal Relay

Brand Part Number Markets Notes Buy
DENSO 5670003
🇺🇸 US 🇨🇦 CA
39795-SJK-004
View on
Amazon

This table covers the relays that control the Turn Signal circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Turn Signal Switch

Economy

Brand Part Number Markets Notes Buy
VEMO V70800032
🇺🇸 US 🇨🇦 CA
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
WELLS 1S12165
🇺🇸 US 🇨🇦 CA
without Automatic Headlightswith Fog Lights
View on
Amazon

This table covers the combination / turn-signal switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Washer Pump Relay

Brand Part Number Markets Notes Buy
ROSTRA 600008
🇺🇸 US 🇨🇦 CA
Amperage Rating: 30 AmpereConnector Shape: Rectangle
Fitment notes — ROSTRA 600008
Amperage Rating: 30 AmpereConnector Shape: RectangleVoltage: 12 Volts (Direct Current)
View on
Amazon
WELLS 1R1696
🇺🇸 US 🇨🇦 CA
Connector Gender: MaleMounting Hardware Included: No
Fitment notes — WELLS 1R1696
Connector Gender: MaleMounting Hardware Included: NoTerminal Quantity: 4Voltage: 12.0 VDC
View on
Amazon

This table covers the relays that control the Washer Pump circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Water Pump Relay

Brand Part Number Markets Notes Buy
DENSO 5670020
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the relays that control the Water Pump circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Wiper / Washer Switch

Economy

Brand Part Number Markets Notes Buy
DORMAN 920750
🇺🇸 US 🇨🇦 CA
Front
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
WELLS 1S12313
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the Wiper / Washer switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Buying Electrical Switch & Relay Parts for a 2016 Toyota 4RUNNER

On this vehicle, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches.

  • Confirm you have the 4.0L V6 engine — every part on this page is matched to it.
  • Read the notes on each row for position, trim and spec qualifiers before you order.
  • Where labor overlaps, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.
  • Cross-reference the manufacturer part number against your old part or a service-manual listing.

Start with the largest groups on this page: Oil Pressure Sender / Switch and A/C Compressor Relay .

Frequently Asked Questions

How many electrical switch & relay parts fit the 2016 Toyota 4RUNNER?

Our catalog currently lists 167 electrical switch & relay parts for the 2016 Toyota 4RUNNER across 46 subcategories and 20 brands, covering the 4.0L V6 engine. Each part is matched to the engine(s) it fits.

What are the signs of electrical switch & relay problems on a 2016 Toyota 4RUNNER?

Common symptoms include accessories that work intermittently, a click without action, or one function dead while its fuse tests fine. 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, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.

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 4RUNNER 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 4RUNNER?

Every part on this page is matched to the 4.0L V6 engine. Then swap a suspect relay with an identical known-good one from the fuse box before buying — it is the fastest diagnostic there is. The notes column carries position and trim qualifiers where they apply.

Other Parts for the 2016 Toyota 4RUNNER

Electrical Switch & Relay Parts for Other Toyota 4RUNNER Years

Switch vehicle or jump to a subcategory

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.