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  • 8421052050 Toyota SWITCH ASSY, BACK-UP LAMP

8421052050 Toyota SWITCH ASSY, BACK-UP LAMP, Price: 20.19$, Weight: 0.053kg

    • Make Number Name Availability Weight, kg Ship in, Days Price

    Toyota

    8421052050

    SWITCH ASSY, BACK-UP LAMP

    		 0

    0.053

    7-10

    20.19$
    Not Available

    Originals

    Make Number Name Availability Weight, kg Processing, days Price  
    Toyota
    8421052050 
    SWITCH ASSY, BACK-UP LAMP
    		97
    0.061
     Dispatch 24h
    24.25$
     
    Toyota
    8421052050 
    SWITCH ASSY, BACK-UP LAMP
    		1021
    0.061
    2-3
    21.04$
     

    Substitutions

    Make Number Name Availability Weight, kg Processing, days Price  
    Toyota
    8421012040 
    SENSOR ASSY, SHIFT POINT
    		0
    0.062
    -
    33.75$
    		 Not Available
    HABASHI
    8421012040 
    BACK LAMP SWITCH YARIS 2000-05
    		0
    0.058
    4-5
    7.50$
    		 Not Available

    Reverse Light Switch Assembly for Toyota

    This component is a small but critical electrical switch mounted on the transmission/gear selector area. Its job is to turn on the reverse (back-up) lamps the moment you select R. 🚗💡 It’s needed for safe parking, backing out of driveways, and alerting pedestrians and other drivers behind you.

    How It Works

    When the shifter goes into reverse, an internal plunger/contacts close the circuit. Power then flows to the rear reverse bulbs, lighting them instantly. The switch is designed to handle heat, vibration, and constant shifting without losing contact.

    What If It’s Faulty

    If the switch fails, reverse lights may stay off, flicker, or remain on all the time. That can lead to failed inspections, reduced night-time safety, and higher risk of parking accidents. In some models, it may also confuse driver-assist or camera activation signals. ⚠️

    Technician Tip

    Check for oil contamination, damaged wiring, or poor connector fit before replacement to ensure a long-lasting repair. ✅