How do you remove, install, and adjust the brake light switch on Kia Optima?

A brake light switch can be found on a bracket adjacent to the upper part of the brake pedal; to have access it is necessary to rotate the lock nut and to unscrew the element together with the bracket and separate the switch from the wiring. After that, installation has involved the process of reversing the process of removal. For adjustment check and, if necessary, adjust the brake pedal height by first putting slack in the switch locknut and rotating the switch of correct plunger distance then tightening the locknut. Next step, put the Electrical Connector to the switch and check whether the brake lights are on when the brake pedal is pressed and off when the brake pedal is released; if not, adjust the above steps. Also, inspect and, if needed, fine-tune the brake pedal free play.

Genuine Kia Optima Brake Light Switch

Brake Lamp Switch

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8 Brake Light Switches found

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Kia Optima Stop Lamp Switch Assembly(4P)
Part Number: 938103K000
$11.40 MSRP: $16.04
You Save: $4.64 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assembly-Stop Lamp(4P); Stoplamp Switch
- Replaces: 9381038110, 938101C800, 9381038100, 938102H000, 938103K000QQK
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2000-2010 Kia Optima | High Grade, Middle Grade | 2.4L, 2.4L - Theta 2, 2.4L - Theta FF, 2.5L, 2.7L, 2.7L - MU | 4 Door Sedan, Sedan - 4Door 5P
View related parts
Kia Optima Stop Lamp Switch Assembly(4P)
Part Number: 938103S700
$19.08 MSRP: $26.84
You Save: $7.76 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assembly-Stop Lamp(4P); Stoplamp Switch
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2014-2018 Kia Optima | 1.6L - GAMMA, 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
View related parts
Kia Optima Stop Lamp Switch Assembly(4P)
Part Number: 938103S000
$10.82 MSRP: $15.22
You Save: $4.40 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assembly-Stop Lamp(4P); Stoplamp Switch
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2011-2013 Kia Optima | 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
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Kia Optima Stop Lamp Switch Assembly(2P)
Part Number: 9381038000
$11.59 MSRP: $15.70
You Save: $4.11 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assembly-Stop Lamp(2P)
- Manufacturer Note: 2P
- Replaced by: 938102E000
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2000-2006 Kia Optima | High Grade, Middle Grade | 2.4L, 2.5L, 2.7L | 4 Door Sedan
View related parts
Kia Optima Stop Lamp Switch Assembly(2P)
Part Number: 938102E000
$11.16 MSRP: $15.70
You Save: $4.54 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assembly-Stop Lamp(2P); Clutch Switch, Stoplamp Switch
- Replaces: 9381038000
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2000-2008 Kia Optima | High Grade, Middle Grade | 2.4L, 2.4L - Theta FF, 2.5L, 2.7L | 4 Door Sedan, Sedan - 4Door 5P
View related parts
Kia Optima Stop Lamp Switch Assembly(4P)
Part Number: 9381038100
$11.83 MSRP: $16.04
You Save: $4.21 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assembly-Stop Lamp(4P)
- Manufacturer Note: 4P
- Replaced by: 938103K000
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2000-2005 Kia Optima | High Grade, Middle Grade | 2.4L, 2.5L, 2.7L | 4 Door Sedan
View related parts
Kia Optima Stop Lamp Switch Assembly
Part Number: 93810G8100
$55.52 MSRP: $78.75
You Save: $23.23 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assembly-Stop Lam; Stoplamp Switch
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2019-2020 Kia Optima | 1.6L - GAMMA, 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
View related parts
Kia Optima Stop Lamp Switch Assembly(4P)
Part Number: 9381038110
$11.83 MSRP: $16.04
You Save: $4.21 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assembly-Stop Lamp(4P)
- Manufacturer Note: 4P
- Replaced by: 938103K000
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2006-2008 Kia Optima | High Grade, Middle Grade | 2.4L, 2.4L - Theta FF, 2.7L, 2.7L - MU | 4 Door Sedan, Sedan - 4Door 5P

Kia Optima Brake Light Switch

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Kia Optima Brake Light Switch Parts Questions & Experts Answers

Stop Lamp Switch Assembly(4P)
938103K000
Q: How do you remove, install, and adjust the brake light switch on Kia Optima?
A:
A brake light switch can be found on a bracket adjacent to the upper part of the brake pedal; to have access it is necessary to rotate the lock nut and to unscrew the element together with the bracket and separate the switch from the wiring. After that, installation has involved the process of reversing the process of removal. For adjustment check and, if necessary, adjust the brake pedal height by first putting slack in the switch locknut and rotating the switch of correct plunger distance then tightening the locknut. Next step, put the Electrical Connector to the switch and check whether the brake lights are on when the brake pedal is pressed and off when the brake pedal is released; if not, adjust the above steps. Also, inspect and, if needed, fine-tune the brake pedal free play.