HomeStandard Ignition SLS645 Brake Light Switch
Part #: SLS645

Standard Ignition SLS645 Brake Light Switch

5 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Nissan, Sentra
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Brake Light Switch for Nissan Sentra

The Standard Ignition SLS645 brake light switch is a direct-fit electrical replacement for select Nissan Sentra models from 2020-2024. It uses a 4-terminal, plug-in design with a female connector and male blade terminals for a straightforward OE-style connection.

Key Features

  • Brake light switch for select 2020-2024 Nissan Sentra applications
  • 4-terminal configuration with 1 plug-in connector
  • Female connector and male blade terminals
  • Plastic and metal construction with green finish
  • Switch activation style for brake lamp circuit operation
  • Standard Ignition part number SLS645

Detailed Description

Standard Ignition SLS645 is built for vehicles that use a plug-in brake pedal switch with blade-style terminals and a single connector interface. This brake light switch helps control the brake lamp circuit by responding to pedal movement, making it an important electrical component for proper rear lighting operation on the Nissan Sentra. It cross-references Nissan 25320JN20A for the same application.

Fits 2020-2024 Nissan Sentra, N/A. If you are searching for a 2020 Nissan Sentra brake light switch, a 2021-2024 Nissan Sentra brake pedal switch, or Standard Ignition SLS645 for Nissan Sentra brake lamp repair, this part matches the listed application.

What It Helps Fix

  • Brake lamps that stay on or do not illuminate
  • Intermittent brake light operation caused by a worn switch
  • Brake pedal signal issues affecting rear lighting circuits
  • Electrical connection problems at the brake switch connector
  • Replacement needs for a damaged or failed OE-style switch

Installation Notes and Tips

Verify connector style, terminal count, and mounting location before installation. Inspect the brake pedal area and wiring connector for wear, corrosion, or damage before connecting the new switch. Confirm proper brake lamp operation after installation and adjust the switch position only as required by the vehicle service procedure.

Quality Assurance

Standard Ignition is a recognized aftermarket source for electrical replacement parts, and SLS645 is built to match the listed fitment and connector specifications for select Nissan Sentra models.

BrandStandard Ignition
Part NumberSLS645
Terminal Quantity4
Connector GenderFemale
Terminal GenderMale
Activation StyleSwitch
Color/FinishGreen
Connector Quantity1
Connector TypePlug in
FinishPlastic, metal
FunctionsSwitch
Indicator Markings IncludedNo
MaterialPlastic, metal
Mounting Hardware IncludedNo
Terminal TypeBlade

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
2024NissanSentraN/A
2023NissanSentraN/A
2022NissanSentraN/A
2021NissanSentraN/A
2020NissanSentraN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

25320JN20ABLSA209S42151SL1197SLS645

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.