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

Begin replacement of the headlamp dimmer switch assembly by taking off both steering wheel covers No.3 then steering wheel covers No.2. You must disconnect the connector followed by the removal of two screws that fasten the headlamp dimmer switch assembly. Install first the steering wheel cover lower No.2 before placing the steering wheel cover lower No.3.

How to remove and install the headlight dimmer switch on Toyota Tacoma?

Begin the removal process of the headlight dimmer switch by disconnecting the cable from the negative battery terminal then waiting for at least 90 seconds to avoid Air Bag activation. The front wheels should be positioned forward before you detach the No. 2 and No. 3 steering wheel lower covers together with the horn button assembly and steering wheel assembly. The procedure requires the removal of the steering column lower cover then the upper cover before proceeding to separate the spiral cable sub-assembly from the windshield wiper switch assembly. First disconnect the connector and then remove the headlight dimmer switch assembly through the process of disengaging its two securing claws. Installation begins when the headlight dimmer switch assembly is installed by engaging the 2 claws followed by clamping it and reconnecting its connector. Customers should replace all components starting with the windshield wiper switch assembly followed by the spiral cable sub-assembly and finally reinstall the steering column covers while maintaining the spiral cable at center position. The installation process of the steering wheel assembly includes center point and horn button assembly examination followed by the horn button assembly reinstallation. The last procedure requires attaching the cable to the negative battery terminal at 3.9 N.m (40 kgf.cm, 35 in.lbf) then inspecting the SRS warning light before reinstalling the No. 3 and No. 2 steering wheel lower covers.

OEM Toyota Dimmer Switch

Light Dimmer Switch

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236 Dimmer Switches found

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Toyota Dimmer Switch Part Number: 84140-0E090
$133.59 MSRP: $189.10
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Headlamp Switch; Headlamp Dimmer Switch
Fits the following Toyota Models:
- Corolla | 2012-2013 | L, LE, S | 4 Cyl 1.8 L GAS
- Highlander | 2012 | Base | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
- Matrix | 2012-2013 | Base, S | 4 Cyl 1.8 L GAS, 4 Cyl 2.4 L GAS
- RAV4 | 2012 | Sport | 4 Cyl 2.5 L GAS, 6 Cyl 3.5 L GAS
- Tundra | 2014-2017 | 1794 Edition, Limited, Platinum, SR, SR5, TRD Pro | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.7 L FLEX, 8 Cyl 5.7 L GAS
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Toyota Headlamp Switch Part Number: 84140-08061
$183.83 MSRP: $262.46
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Turn Signal & Combination Lever; Multi Purpose Switch; Signal Switch
Fits the following Toyota Models:
- Sienna | 2007-2010 | CE, LE, Limited, XLE | 6 Cyl 3.5 L GAS
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Toyota Dimmer Switch Part Number: 84140-33020
$152.86 MSRP: $216.39
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Instrument Panel Dimmer Switch; Multi Purpose Switch; Headlamp Switch; Signal Switch
Fits the following Toyota Models:
- Land Cruiser | 1998-2007 | Base | 8 Cyl 4.7 L GAS
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Toyota Dimmer Switch Part Number: 84140-14120
$131.59 MSRP: $186.27
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Headlamp Switch; Headlamp Dimmer Switch
Fits the following Toyota Models:
- 4Runner | 2000-2009 | Base, Limited, Sport, SR5 | 4 Cyl 2.7 L GAS, 6 Cyl 3.4 L GAS, 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS
- Supra | 1998 | Base, Twin Turbo | 6 Cyl 3.0 L GAS
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Toyota Dimmer Switch Part Number: 84140-02670
$138.05 MSRP: $195.43
You Save: $57.38 (30%)
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Turn Signal & Combination Lever; Combination Switch; Multi Purpose Switch; Headlamp Switch
- Replaces: 84140-0C060
Fits the following Toyota Models:
- Corolla | 2009-2011 | Base, LE, S, XLE, XRS | 4 Cyl 1.8 L GAS, 4 Cyl 2.4 L GAS
- Highlander | 2010-2011 | Base, Limited, SE, Sport | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
- Matrix | 2009-2011 | Base, S, XRS | 4 Cyl 1.8 L GAS, 4 Cyl 2.4 L GAS
- RAV4 | 2009-2012 | Base, Limited, Sport | 4 Cyl 2.5 L GAS, 6 Cyl 3.5 L GAS
- Tundra | 2007-2013 | Base, Limited, Platinum, SR5 | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L FLEX, 8 Cyl 5.7 L GAS
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Toyota Headlamp Switch Part Number: 84140-06510
$140.05 MSRP: $198.25
You Save: $58.20 (30%)
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch
Fits the following Toyota Models:
- Camry | 2012-2017 | Hybrid LE, Hybrid SE, Hybrid XLE, LE, SE, Special Edition, XLE, XSE | 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 Headlamp Switch Part Number: 84140-06400
$253.84 MSRP: $362.42
You Save: $108.58 (30%)
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Multi Purpose Switch
Fits the following Toyota Models:
- Camry | 2007-2009 | Base, CE, Hybrid, LE | 4 Cyl 2.4 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.4 L GAS, 6 Cyl 3.5 L GAS
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Toyota Dimmer Switch Part Number: 84140-0R020
$130.06 MSRP: $184.12
You Save: $54.06 (30%)
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Headlamp Switch; Multifunction Switch
- Replaces: 84140-42150
Fits the following Toyota Models:
- Corolla | 2014-2016 | L, LE, LE Eco, Le Eco Plus, S, Special Edition | 4 Cyl 1.8 L GAS
- Prius AWD-e | 2019-2022 | LE, XLE | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
- RAV4 | 2013-2018 | Adventure, Hybrid SE, Hybrid XLE, SE, XLE | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS
- Tacoma | 2016-2023 | Limited, SR, SR5, Trail, Trail Special Edition, TRD Off-Road, TRD Pro, TRD Sport | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
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Toyota Dimmer Switch Part Number: 84140-07113
$155.68 MSRP: $220.38
You Save: $64.70 (30%)
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Headlamp Switch; Headlamp Dimmer Switch
Fits the following Toyota Models:
- Highlander | 2012-2013 | Base, Limited, Plus, SE | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
- Sequoia | 2010-2022 | Limited, Nightshade, Platinum, SR5, TRD Pro, TRD Sport | 8 Cyl 4.6 L GAS, 8 Cyl 5.7 L FLEX, 8 Cyl 5.7 L GAS
- Tundra | 2018-2021 | 1794 Edition, Limited, Nightshade, Platinum, SR, SR5, Trail, TRD Pro | 8 Cyl 4.6 L GAS, 8 Cyl 5.7 L FLEX, 8 Cyl 5.7 L GAS
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Toyota Instrument Light Rheostat, Passenger Side Part Number: 84119-03010
$184.87 MSRP: $263.96
You Save: $79.09 (30%)
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Product Specifications
- Other Name: Rheostat, Light Control; Instrument Panel Dimmer Switch; Rheostat
- Position: Passenger Side
- Replaces: 84119-89106, 84119-32090, 84119-01020
Fits the following Toyota Models:
- 4Runner | 1992-2002 | Base, Limited, SR5 | 4 Cyl 2.4 L GAS, 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.4 L GAS
- Camry | 1989-1991 | Base, DLX, DLX All Trac, LE, LE All Trac | 4 Cyl 2.0 L GAS, 6 Cyl 2.5 L GAS
- Celica | 1989 | All Trac, GT, GTS, ST | 4 Cyl 2.0 L GAS
- Corolla | 1990-1992 | Base, DLX, DLX All Trac, GTS, LE, SR5, SR5 All Trac | 4 Cyl 1.6 L GAS
- Pickup | 1992-1995 | Base, DLX, SR5 | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS
- T100 | 1993-1998 | Base, DLX, DX, One-Ton, One-Ton DLX, SR5 | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.4 L GAS
- Tacoma | 1995-2004 | Base, DLX, Limited, Pre Runner, S-Runner, SR5 | 4 Cyl 2.4 L GAS, 4 Cyl 2.7 L GAS, 6 Cyl 3.4 L GAS
- 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 Dimmer Switch Part Number: 84140-06010
$217.73 MSRP: $310.87
You Save: $93.14 (30%)
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Turn Signal & Combination Lever; Multi Purpose Switch; Headlamp Switch; Headlamp Dimmer Switch; Signal Switch
- Replaces: 84140-44010, 84140-26140
Fits the following Toyota Models:
- 4Runner | 1996-1999 | Base, Limited, SR5 | 4 Cyl 2.7 L GAS, 6 Cyl 3.4 L GAS
- Avalon | 1998-1999 | XL | 6 Cyl 3.0 L GAS
- Camry | 1997-2001 | CE, LE, XLE | 4 Cyl 2.2 L CNG, 4 Cyl 2.2 L GAS, 6 Cyl 3.0 L GAS
- Celica | 1996-1999 | GT, ST | 4 Cyl 1.8 L GAS, 4 Cyl 2.2 L GAS
- Prius | 2001-2003 | Base | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
- RAV4 | 1996-2000 | Base | 4 Cyl 2.0 L GAS
- Sienna | 1998 | CE, LE | 6 Cyl 3.0 L GAS
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Toyota Headlamp Switch Part Number: 84140-08030
$118.43 MSRP: $167.65
You Save: $49.22 (30%)
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Turn Signal Switch; Multi Purpose Switch; Signal Switch
- Manufacturer Note: W(AUTOMATIC LIGHT CONTROL)
- Replaces: 84140-08010
Fits the following Toyota Models:
- Avalon | 1999 | XL | 6 Cyl 3.0 L GAS
- Sienna | 1998-2000 | CE, LE, XLE | 6 Cyl 3.0 L GAS
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Toyota Dimmer Switch Part Number: 84140-47161
$140.17 MSRP: $198.43
You Save: $58.26 (30%)
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Headlamp Switch; Multifunction Switch
Fits the following Toyota Models:
- Prius C | 2012-2019 | Four, L, LE, One, Three, Two | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
- Yaris | 2014-2018 | L, LE, SE | 4 Cyl 1.5 L GAS
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Toyota Dimmer Switch Part Number: 84140-04061
$140.75 MSRP: $199.25
You Save: $58.50 (30%)
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Turn Signal & Combination Lever; Combination Switch; Multi Purpose Switch; Headlamp Switch; Headlamp Dimmer Switch
Fits the following Toyota Models:
- Prius | 2004-2007 | Base, Touring | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
- Tacoma | 2005-2008 | Base, Pre Runner, X-Runner | 4 Cyl 2.7 L GAS, 6 Cyl 4.0 L GAS
- Tundra | 2007-2008 | Base, SR5 | 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L GAS
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Toyota Headlamp Switch Part Number: 84140-52151
$146.63 MSRP: $207.56
You Save: $60.93 (30%)
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch
- Replaces: 84140-52150
Fits the following Toyota Models:
- Yaris | 2007-2012 | Base, S | 4 Cyl 1.5 L GAS
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Toyota Dimmer Switch Part Number: 84140-0R010
$146.86 MSRP: $207.90
You Save: $61.04 (30%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Headlamp Switch; Multifunction Switch
Fits the following Toyota Models:
- Avalon | 2013-2018 | Hybrid Limited, Hybrid XLE, Hybrid XLE Premium, Hybrid XLE Touring, Limited, XLE, XLE Premium, XLE Touring, XLE Touring SE | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.5 L GAS
- Corolla | 2014-2016 | L, LE, LE Eco, Le Eco Plus, S, Special Edition | 4 Cyl 1.8 L GAS
- Highlander | 2014-2019 | Hybrid LE, Hybrid Limited, Hybrid Limited Platinum, Hybrid XLE, LE, LE Plus, Limited, Limited Platinum, SE, XLE | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.5 L GAS
- RAV4 | 2013-2018 | Adventure, Hybrid Limited, Hybrid SE, Hybrid XLE, LE, Limited, Platinum, SE, XLE | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS
- Tacoma | 2016-2023 | Limited, SR, SR5, Trail, Trail Special Edition, TRD Off-Road, TRD Pro, TRD Sport | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
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Toyota Instrument Light Rheostat, Passenger Side Part Number: 84119-04020
$163.55 MSRP: $231.52
You Save: $67.97 (30%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Rheostat, Light Control; Instrument Panel Dimmer Switch; Rheostat
- Position: Passenger Side
Fits the following Toyota Models:
- Tacoma | 2005-2016 | Base, Limited, Pre Runner, SR, SR5, TRD Off-Road, TRD Pro, TRD Sport, X-Runner | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS, 6 Cyl 4.0 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%)
Ships in 1-3 Business Days
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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: 84140-47140
$163.08 MSRP: $230.86
You Save: $67.78 (30%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Headlamp Switch; Multifunction Switch; Headlamp Dimmer Switch
- Replaces: 84140-12720, 84140-12680
Fits the following Toyota Models:
- Corolla | 2009-2013 | Base, L, LE, S, XLE, XRS | 4 Cyl 1.8 L GAS, 4 Cyl 2.4 L GAS
- Highlander | 2008-2010 | Base, Hybrid, Hybrid Limited, Limited, SE, Sport | 4 Cyl 2.7 L GAS, 6 Cyl 3.3 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.5 L GAS
- Prius | 2005-2011 | Base, Touring | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
- Prius C | 2012-2019 | Four, L, LE, One, Persona Series, Three, Two | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
- Prius V | 2012-2013 | Five, Three, Two | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
- RAV4 | 2006-2011 | Base, Limited, Sport | 4 Cyl 2.4 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 3.5 L GAS
- Yaris | 2012-2016 | Base, L, LE, SE | 4 Cyl 1.5 L GAS
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Toyota Instrument Light Rheostat, Passenger Side Part Number: 84119-52030
$175.65 MSRP: $248.66
You Save: $73.01 (30%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Rheostat, Light Control; Instrument Panel Dimmer Switch; Rheostat
- Position: Passenger Side
Fits the following Toyota Models:
- Prius | 2006-2009 | Base, Touring | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
- Yaris | 2007-2014 | Base, L, LE, S, SE | 4 Cyl 1.5 L GAS

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Toyota Dimmer Switch

OEM parts deliver unmatched quality you can rely on. They pass extensive quality control inspections. Toyota produces them to the official factory specifications. This process helps prevent defects and imperfections. So you can get exceptional lifespan and a flawless fit. Need new OEM Toyota Dimmer Switch? You'll love our wide selection of genuine options. Shop in minutes and skip the hunt. Our prices are unbeatable, you'll save time and money. It's easy to shop and find the right piece. Our committed customer service team gives professional help from start to finish. Every part includes a manufacturer's warranty. We ship quickly, your parts will arrive fast at your door.

Toyota Dimmer Switch allows drivers to switch between beam settings in a faster day night vision. Toyota began in 1937, expanded internationally and continues to value lean manufacturing, which converts waste into nonexistence. Issues found on the line are spotted by workers and assembly stops until the fix is nailed. The TNGA platform of the company reduces weight, decreases the center of gravity, and enhances steering. Its Hybrid Synergy Drive continues to receive refinements, which provide the Prius and numerous other models with spirited torque and thrifty consumption. In 2024 the brand took the RAV4 Plug-in Hybrid to 42 electric miles, and that is evolution never giving up. Consumers have faith in Toyota since the car models drive long, consume fuel, and shake off harsh weather and potholes. Such strength helps save the owners money not months but years. The Dimmer Switch is placed on the column, in the place where the fingers of the driver fall, without looking. The clicking is sharp forward to the high beams, the pulling backwards to the low, and the tapping to the right or left, which switches to the flash-to-pass. Micro-spring within the Dimmer Switch helps to overcome dust and heat, therefore the control of light remains sharp even after several years. All existing Toyota wiring harnesses are compatible with the Dimmer Switch plug and therefore require no wire-cutting by swappers at upgrades or cross-generational repairs. The Dimmer Switch also regulates the brightness of dash lamps during night running, saving the eyes but leaving road awareness intact.

Toyota Dimmer Switch Parts and Q&A

Dimmer Switch
84140-14120
Q: How to replace the headlamp dimmer switch assembly on Toyota 4Runner?
A:
Begin replacement of the headlamp dimmer switch assembly by taking off both steering wheel covers No.3 then steering wheel covers No.2. You must disconnect the connector followed by the removal of two screws that fasten the headlamp dimmer switch assembly. Install first the steering wheel cover lower No.2 before placing the steering wheel cover lower No.3.
Instrument Light Rheostat, Passenger Side
84119-04020
Q: How to remove and install the headlight dimmer switch on Toyota Tacoma?
A:
Begin the removal process of the headlight dimmer switch by disconnecting the cable from the negative battery terminal then waiting for at least 90 seconds to avoid Air Bag activation. The front wheels should be positioned forward before you detach the No. 2 and No. 3 steering wheel lower covers together with the horn button assembly and steering wheel assembly. The procedure requires the removal of the steering column lower cover then the upper cover before proceeding to separate the spiral cable sub-assembly from the windshield wiper switch assembly. First disconnect the connector and then remove the headlight dimmer switch assembly through the process of disengaging its two securing claws. Installation begins when the headlight dimmer switch assembly is installed by engaging the 2 claws followed by clamping it and reconnecting its connector. Customers should replace all components starting with the windshield wiper switch assembly followed by the spiral cable sub-assembly and finally reinstall the steering column covers while maintaining the spiral cable at center position. The installation process of the steering wheel assembly includes center point and horn button assembly examination followed by the horn button assembly reinstallation. The last procedure requires attaching the cable to the negative battery terminal at 3.9 N.m (40 kgf.cm, 35 in.lbf) then inspecting the SRS warning light before reinstalling the No. 3 and No. 2 steering wheel lower covers.