How to install the headlight dimmer switch assembly and the steering column covers on Toyota 4Runner?

Begin by installing the headlight dimmer switch assembly. Then, attach the steering column upper cover. Finally, complete the process by installing the steering column lower cover.

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

To replace the headlamp dimmer switch assembly, remove the lower steering wheel covers No.3 and No.2. Disconnect the connector, remove 2 screws, and take out the assembly. After installing the new assembly, reattach the lower covers in reverse order.

OEM Toyota 4Runner Dimmer Switch

Light Dimmer Switch

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17 Dimmer Switches found

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Toyota 4Runner Headlamp Dimmer Switch
Part Number: 84140-26040
$71.10 MSRP: $99.80
You Save: $28.70 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Multi Purpose Switch
- Replaces: 84140-29225, 84140-19055, 84140-29085, 84140-28040, 84140-29175, 84140-35070, 84140-35080, 84140-19135, 84140-39095, 84140-28050, 84140-19215, 84140-29165
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1984-1989 Toyota 4Runner | DLX, SR5 | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS
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Toyota 4Runner Dimmer Switch
Part Number: 84140-06010
$217.73 MSRP: $310.87
You Save: $93.14 (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; Headlamp Switch; Headlamp Dimmer Switch; Signal Switch
- Replaces: 84140-44010, 84140-26140
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1996-1999 Toyota 4Runner | Base, Limited, SR5 | 4 Cyl 2.7 L GAS, 6 Cyl 3.4 L GAS
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Toyota 4Runner Rheostat Knob, Passenger Side
Part Number: 84118-20011
$5.60 MSRP: $7.80
You Save: $2.20 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Knob, Rheostat Light; Knob; Knob, Light Control Rheostat
- Position: Passenger Side
- Replaces: 84118-04010, 84118-20010, 84118-20011-14, 84118-20011-B0, 84118-20011-22, 84118-20011-E0, 84118-20011-D0, 84118-20011-01, 84118-20011-J0
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1996-2002 Toyota 4Runner | Base, Limited, SR5 | 4 Cyl 2.7 L GAS, 6 Cyl 3.4 L GAS
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Toyota 4Runner Dimmer Switch
Part Number: 84140-35100
$86.26 MSRP: $121.08
You Save: $34.82 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Multi Purpose Switch; Headlamp Dimmer Switch
- Replaces: 84140-04010
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1990-1994 Toyota 4Runner | SR5 | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS
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Toyota 4Runner Dimmer Switch
Part Number: 84140-14120
$131.59 MSRP: $186.27
You Save: $54.68 (30%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Headlamp Switch; Headlamp Dimmer Switch
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2000-2009 Toyota 4Runner | 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
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Toyota 4Runner Light Switch
Part Number: 84140-10190
$89.93 MSRP: $126.24
You Save: $36.31 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Dimmer Switch; Headlamp Switch
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2000-2009 Toyota 4Runner | 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
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Toyota 4Runner Dimmer Switch, Passenger Side
Part Number: 84119-35030
$144.28 MSRP: $204.25
You Save: $59.97 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Rheostat, Light Control; Instrument Panel Dimmer Switch; Instrument Light Rheostat; Rheostat
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2003-2009 Toyota 4Runner | Limited, Sport, SR5 | 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS
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Toyota 4Runner Instrument Light Rheostat, Passenger Side
Part Number: 84119-03010
$179.40 MSRP: $256.14
You Save: $76.74 (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
- Replaces: 84119-89106, 84119-32090, 84119-01020
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1992-2002 Toyota 4Runner | 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
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Toyota 4Runner Multifunction Switch
Part Number: 84140-35190
$104.97 MSRP: $147.34
You Save: $42.37 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2010-2011 Toyota 4Runner | Limited, SR5, Trail | 4 Cyl 2.7 L GAS, 6 Cyl 4.0 L GAS
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Toyota 4Runner Dimmer Switch
Part Number: 84140-06050
$120.54 MSRP: $170.64
You Save: $50.10 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Headlamp Switch
- Replaces: 84140-20560
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1999 Toyota 4Runner | Base, Limited, SR5 | 4 Cyl 2.7 L GAS, 6 Cyl 3.4 L GAS
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Toyota 4Runner Dimmer Switch
Part Number: 84119-35051
$97.99 MSRP: $137.54
You Save: $39.55 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Rheostat, Light Control; Instrument Panel Dimmer Switch; Instrument Light Rheostat
- Replaces: 84119-35050
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2010-2015 Toyota 4Runner | Limited, SR5, Trail, TRD Pro | 4 Cyl 2.7 L GAS, 6 Cyl 4.0 L GAS
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Toyota 4Runner Dimmer Switch, Passenger Side
Part Number: 84119-20140
$121.72 MSRP: $172.31
You Save: $50.59 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Rheostat, Light Control; Instrument Light Rheostat; Rheostat
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1991 Toyota 4Runner | SR5 | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS
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Toyota 4Runner Headlamp Switch
Part Number: 84140-35181
$153.44 MSRP: $217.21
You Save: $63.77 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Multifunction Switch
- Replaces: 84140-35180
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2010-2023 Toyota 4Runner | 40th Anniversary Edition, Limited, Nightshade, SR5, SR5 Premium, Trail, TRD Off-Road, TRD Off-Road Premium, TRD Pro, TRD Sport, Venture | 4 Cyl 2.7 L GAS, 6 Cyl 4.0 L GAS
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Toyota 4Runner Switch Assembly, Headlamp Dimmer
Part Number: 84140-35171
$171.30 MSRP: $242.50
You Save: $71.20 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Multi Purpose Switch
- Replaces: 84140-35170
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2010-2023 Toyota 4Runner | Limited, Nightshade, TRD Pro | 6 Cyl 4.0 L GAS
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Toyota 4Runner Dimmer Switch, Passenger Side
Part Number: 84119-42021
$97.99 MSRP: $137.54
You Save: $39.55 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Rheostat, Light Control; Instrument Panel Dimmer Switch; Instrument Light Rheostat; Rheostat
- Manufacturer Note: KOREA SPEC
- Position: Passenger Side
- Replaces: 84119-42020
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2010-2023 Toyota 4Runner | 40th Anniversary Edition, Limited, Nightshade, SR5, SR5 Premium, Trail, TRD Off-Road, TRD Off-Road Premium, TRD Pro, TRD Sport, Venture | 4 Cyl 2.7 L GAS, 6 Cyl 4.0 L GAS
View related parts
Toyota 4Runner Dimmer Switch
Part Number: 84140-35150
$221.11 MSRP: $315.69
You Save: $94.58 (30%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Headlamp Switch
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2003-2009 Toyota 4Runner | Limited, Sport, SR5 | 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS
View related parts
Toyota 4Runner Dimmer Switch
Part Number: 84140-35140
Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Headlamp Switch
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2003-2009 Toyota 4Runner | Limited, Sport, SR5 | 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS

Toyota 4Runner Dimmer Switch

If you're thinking about purchasing OEM parts for your Toyota 4Runner, our website is your one-stop destination. We stock an extensive selection of genuine Toyota 4Runner Dimmer Switch at pocket-friendly prices. Plus, we guarantee a swift delivery and a hassle-free return policy for your convenience.

Toyota 4Runner Dimmer Switch Parts and Q&A

Dimmer Switch, Passenger Side
84119-35030
Q: How to install the headlight dimmer switch assembly and the steering column covers on Toyota 4Runner?
A: Begin by installing the headlight dimmer switch assembly. Then, attach the steering column upper cover. Finally, complete the process by installing the steering column lower cover.
Light Switch
84140-10190
Q: How to replace the headlamp dimmer switch assembly on Toyota 4Runner?
A: To replace the headlamp dimmer switch assembly, remove the lower steering wheel covers No.3 and No.2. Disconnect the connector, remove 2 screws, and take out the assembly. After installing the new assembly, reattach the lower covers in reverse order.