How to replace the headlight dimmer switch assembly on Toyota 4Runner?

To replace the headlight dimmer switch assembly, start by removing the lower and then the upper steering column covers. Disconnect the connector and unscrew the two screws holding the dimmer switch assembly. Once removed, reinstall the upper cover followed by the lower cover of the steering column.

How to install the headlight dimmer switch assembly and the steering wheel components on Toyota Tacoma?

To fit the headlight dimmer switch, attach the claws, fit it and attach the connector. Fit the wiper switch, spiral cable and the two steering column covers. Install the spiral cable, check the steering wheel and horn button, connect the negative battery terminal and verify the SRS warning light.

OEM Toyota Dimmer Switch

Light Dimmer Switch

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235 Dimmer Switches found

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Toyota Headlamp Switch
Part Number: 84140-06390
$250.35 MSRP: $357.44
You Save: $107.09 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Multi Purpose Switch
Fits the following Toyota Models:
- Camry | 2007-2009 | SE, XLE | 4 Cyl 2.4 L GAS, 6 Cyl 3.5 L GAS
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Toyota Headlamp Switch
Part Number: 84140-06401
$229.26 MSRP: $327.33
You Save: $98.07 (30%)
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Multi Purpose Switch
Fits the following Toyota Models:
- Camry | 2009-2011 | Base, Hybrid, LE | 4 Cyl 2.4 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.4 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 3.5 L GAS
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Toyota Dimmer Switch
Part Number: 84140-0C010
$75.24 MSRP: $105.61
You Save: $30.37 (29%)
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Multi Purpose Switch; Headlamp Switch
Fits the following Toyota Models:
- Tundra | 2000-2006 | Base, Limited, SR5 | 6 Cyl 3.4 L GAS, 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS
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Toyota Instrument Light Rheostat, Passenger Side
Part Number: 84119-AA010
$159.06 MSRP: $225.18
You Save: $66.12 (30%)
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Product Specifications
- Other Name: Rheostat, Light Control; Instrument Panel Dimmer Switch; Rheostat
- Position: Passenger Side
Fits the following Toyota Models:
- Camry | 2002-2004 | LE, SE, XLE | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS
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Toyota Dimmer Switch
Part Number: 84140-06260
$250.23 MSRP: $357.27
You Save: $107.04 (30%)
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Headlamp Switch
- Manufacturer Note: W(DAY TIME RUNNING LIGHT SYSTEM & FOG LAMP)
Fits the following Toyota Models:
- Camry | 2004-2006 | Base, LE, SE, XLE | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS
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Toyota Signal Switch
Part Number: 84140-08041
$148.51 MSRP: $210.23
You Save: $61.72 (30%)
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Turn Signal & Combination Lever
Fits the following Toyota Models:
- Sienna | 2007-2010 | CE, LE, Limited, XLE | 6 Cyl 3.5 L GAS
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Toyota Instrument Light Rheostat, Passenger Side
Part Number: 84119-02050
$158.38 MSRP: $224.20
You Save: $65.82 (30%)
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Product Specifications
- Other Name: Rheostat, Light Control; Instrument Panel Dimmer Switch; Rheostat
- Manufacturer Note: TYPE A:REFER TO ILLUSTRATION
- Position: Passenger Side
Fits the following Toyota Models:
- Corolla | 2006-2008 | CE, S | 4 Cyl 1.8 L GAS
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Toyota Multifunction Switch
Part Number: 84140-08090
$147.92 MSRP: $209.40
You Save: $61.48 (30%)
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Turn Signal & Combination Lever; Multi Purpose Switch; Signal Switch
- Manufacturer Note: DAYTIME RUNNING LIGHT SYSTEM-WITH
Fits the following Toyota Models:
- Sienna | 2011-2012 | Base, LE | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
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Toyota Headlamp Switch
Part Number: 84140-06540
$186.74 MSRP: $266.61
You Save: $79.87 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Multi Purpose Switch
Fits the following Toyota Models:
- Camry | 2012-2014 | Hybrid SE, Hybrid XLE, SE, SE Sport, XLE | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS, 6 Cyl 3.5 L GAS
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Toyota Multifunction Switch
Part Number: 84140-08131
$146.63 MSRP: $207.56
You Save: $60.93 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Multi Purpose Switch
Fits the following Toyota Models:
- Sienna | 2012-2014 | Base, LE, SE | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
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Toyota Switch
Part Number: 84152-08010
$94.16 MSRP: $132.17
You Save: $38.01 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch, Headlamp Leveling
- Manufacturer Note: HEADLAMP-DISCHARGE
Fits the following Toyota Models:
- Sienna | 2011-2014 | Base, L, LE, Limited, SE, XLE | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
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Toyota Instrument Light Rheostat, Passenger Side
Part Number: 84119-02020
$122.94 MSRP: $174.03
You Save: $51.09 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Rheostat, Light Control; Instrument Panel Dimmer Switch; Rheostat
- Manufacturer Note: TYPE A:REFER TO ILLUSTRATION
- Position: Passenger Side
Fits the following Toyota Models:
- Corolla | 2003-2005 | CE, LE, S | 4 Cyl 1.8 L GAS
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Toyota Multifunction Switch
Part Number: 84140-08150
$150.01 MSRP: $212.36
You Save: $62.35 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Multi Purpose Switch
Fits the following Toyota Models:
- Sienna | 2012-2014 | SE | 6 Cyl 3.5 L GAS
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Toyota Multifunction Switch
Part Number: 84140-08080
$130.53 MSRP: $184.79
You Save: $54.26 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Turn Signal & Combination Lever; Multi Purpose Switch; Signal Switch
- Manufacturer Note: CANADA SPEC&DAYTIME RUNNING LIGHT SYSTEM-WITH
Fits the following Toyota Models:
- Sienna | 2011-2012 | Base, LE | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
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Toyota Multifunction Switch
Part Number: 84140-08160
$112.11 MSRP: $157.37
You Save: $45.26 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Signal Switch
Fits the following Toyota Models:
- Sienna | 2015-2020 | L, LE, XLE, XLE Premium | 6 Cyl 3.5 L GAS
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Toyota Dimmer Switch
Part Number: 84140-0C020
$83.06 MSRP: $116.59
You Save: $33.53 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Instrument Panel Dimmer Switch; Combination Switch; Multi Purpose Switch; Headlamp Switch
Fits the following Toyota Models:
- Sequoia | 2001-2007 | SR5 | 8 Cyl 4.7 L GAS
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Toyota Headlamp Dimmer Switch
Part Number: 84140-32130
Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Multi Purpose Switch
Fits the following Toyota Models:
- Camry | 1989-1991 | Base, DLX, DLX All Trac, LE, LE All Trac | 4 Cyl 2.0 L GAS, 6 Cyl 2.5 L GAS
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Toyota Dimmer Switch
Part Number: 84140-33150
Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Headlamp Switch
Fits the following Toyota Models:
- Camry | 2002-2004 | LE, SE, XLE | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS
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Toyota Instrument Light Rheostat, Passenger Side
Part Number: 84119-32031-01
Product Specifications
- Other Name: Rheostat, Light Control
- Manufacturer Note: BLACK,BLACK,TRIM1#,8#
- Position: Passenger Side
- Replaces: 84119-32031-16, 84119-32031-03, 84119-32030-06, 84119-32031-04, 84119-32030-01, 84119-32031-06
Fits the following Toyota Models:
- Camry | 1984 | DLX, LE | 4 Cyl 1.8 L DIESEL, 4 Cyl 2.0 L GAS
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Toyota Light Switch
Part Number: 84112-29395
Product Specifications
- Other Name: Switch; Multi Purpose Switch; Headlamp Switch
- Replaces: 84112-39215
Fits the following Toyota Models:
- Camry | 1984 | DLX, LE | 4 Cyl 1.8 L DIESEL, 4 Cyl 2.0 L GAS

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1-20 of 235 Results

Toyota Dimmer Switch Parts and Q&A

Dimmer Switch, Passenger Side
84119-35030
Q: How to replace the headlight dimmer switch assembly on Toyota 4Runner?
A: To replace the headlight dimmer switch assembly, start by removing the lower and then the upper steering column covers. Disconnect the connector and unscrew the two screws holding the dimmer switch assembly. Once removed, reinstall the upper cover followed by the lower cover of the steering column.
Instrument Light Rheostat, Passenger Side
84119-04020
Q: How to install the headlight dimmer switch assembly and the steering wheel components on Toyota Tacoma?
A: To fit the headlight dimmer switch, attach the claws, fit it and attach the connector. Fit the wiper switch, spiral cable and the two steering column covers. Install the spiral cable, check the steering wheel and horn button, connect the negative battery terminal and verify the SRS warning light.