This brake stop light switch is a directfit replacement designed for Toyota FJ Cruiser, 4Runner, and RAV4 applications. It is compatible with the OEM part numbers 8434019025 and 8434019025, and is intended to restore proper brake lamp operation when the original switch fails. This part helps ensure visibility and safety by reliably activating the brake lights when you apply the pedal. Key benefits Restores brake light activation for improved safety and visibility to drivers behind you. Helps prevent intermittent or nobrakelight situations that can trigger warning lights or reduce brake light effectiveness. Directfit replacement with the same mounting and electrical connection as the original switch, enabling straightforward installation. Durable design built to withstand automotive temperature variations and road vibration. Consistent electrical switching performance to maintain reliable brake light response over time. Key attributes Functionality: Brake stop light switch that closes the circuit when the brake pedal is engaged, ensuring the brake lights illuminate properly. Compatibility: Toyota FJ Cruiser, 4Runner, and RAV4 equipped with part numbers 8434019025 or 8434019025. Size: Engineered to match the original mounting dimensions and connector layout for listed models, facilitating a seamless fit. Material: Constructed with components suitable for automotive electrical switching and longterm use in a vehicle environment. Performance: Designed to deliver dependable brake light operation and steady electrical performance throughout service life. Use cases and applications Replacing a failing brake light switch on a Toyota FJ Cruiser, 4Runner, or RAV4 to restore proper brake light function. Correcting issues where brake lights stay on or fail to illuminate due to a faulty switch, improving safety and compliance. Performing routine maintenance or part upgrade on a mileage vehicle to maintain reliable brake light signaling. Installation notes This part is intended as a directfit replacement for the listed models and part numbers. Professional installation is recommended to ensure proper fitment and electrical connection. Verifying compatibility with your specific vehicle year and configuration before installation is advised.