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Home Products Reverse Light Switch 8421052050 for Toyota Lexus
Reverse Light Switch 8421052050 for Toyota Lexus
Electrical components

Reverse Light Switch 8421052050 for Toyota Lexus

8421052050 - Electrical components

BRAND
Toyota
PART NUMBER
8421052050
GROUP NAME
Electrical components - Sensor/Switch - Reverse light switch
REFERENCE PRICE
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100% Genuine New
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Price Details

REFERENCE ONLY

Dealer Price ≠ Your Price

Official dealer price is only a benchmark. Your LongTop quote may be 40-50% lower.

Check Better Price
Brand Manufacturer Cost (Excl. Tax, USD) Cost (Incl. Tax, USD) Sales (Excl. Tax, USD) Sales (Incl. Tax, USD) Longtop Supply Quote
FAW Toyota Toyota - - $21.93 $24.78 Check Better Price
GAC Toyota Toyota - - $21.93 $24.78 Check Better Price
Imported Toyota Toyota - - $24.65 $27.86 Check Better Price
Lexus Lexus $18.52 $20.92 $24.65 $27.86 Check Better Price

Replacements

Alternative OE numbers related to this product.

Brand Original OE Replacement OE
- 8421052050 S842101270
- 8421052050 8421012040
- 8421052050 8421037040

Compatible Models

Vehicle models currently mapped to this OE part.

Filter By Brand:
# Brand Model
1 Toyota AURIS (UKP) - 200706 - 201210 - ADE150,NRE150,ZRE15#,ZZE150
2 Toyota AURIS (UKP) - 201210 - 201811 - ZRE181
3 Toyota AURIS/COROLLA HB(JPP - 201806 - MZEA12,NRE210,ZWE21
4 Toyota AURIS/COROLLA - 201806 - MZEA12,NRE210,ZWE21
5 Toyota C-HR (JPP) - 201612 - NGX10,50,ZYX10
6 Toyota C-HR (TUP) - 201610 - NGX10,50,ZYX10
7 Toyota COASTER (CHINA) - 201301 - GRB53,TRB53,XZB53
8 Toyota COROLLA (MEXICO) - 201903 - MZEA1#,ZRE212
9 Toyota COROLLA (S.AMERICA) - 201909 - MZEA12,ZRE210,ZWE211
10 Toyota COROLLA (SED,JPP) - 201901 - MZEA1#,ZRE212,ZWE21
11 Toyota COROLLA (TMMT/TSAM) - 201306 - NDE180,NRE180,ZRE18
12 Toyota COROLLA (TUP) - 201901 - MZEA11,ZRE21#, ZWE21
13 Toyota COROLLA (UKP) - 201901 - MZEH1#,NRE210,ZWE21
14 Toyota COROLLA/ALTIS (ASIA) - 201310 - NDE170,NZE170,ZRE17#,ZZE172
15 Toyota COROLLA/ALTIS (ASIA) - 201904 - MZEA1#,ZRE21#,ZWE211
16 Toyota DYNA - 200107 - 202111 - KDY22#,23#,25#,26#,LY2
17 Toyota DYNA - 201107 - WU600,650,XZU600,650
18 Toyota DYNA - 201107 - WU700,710,720,XZU710,720,730
19 Toyota DYNA - 202108 - GDY231,LY230
20 Toyota E'Z - 201106 - 201612 - ZGR2
21 Toyota ETIOS - 201209 - NGK1
22 Toyota ETIOS/LIVA/CROSS - 201012 - 202003 - NGK1#,NUK1
23 Toyota FJ CRUISER - 200707 - GSJ15
24 Toyota FJ CRUISER - 200707 - 202212 - GSJ15
25 Toyota FORTUNER - 201107 - 202110 - GGN50,60,KUN5#,6#,LAN50,TGN51,61
26 Toyota GR COROLLA - 202210 - GZEA14
27 Toyota INNOVA/KIJANG INNOVA - 201107 - 201611 - KUN40,TGN4
28 Toyota LIMO/VIOS (4D) - 201912 - NSP15
29 Toyota LIMO/VIOS - 201912 - NSP15
30 Toyota RAV4 (JPP) - 201811 - AXAA5#,AXAH5#,AXAL5#,MXAA5
31 Toyota VIOS (4D) - 201911 - NSP15
32 Toyota YARIS (4D/5D) - 201911 - NSP15
33 Toyota YARIS (5D) - 201310 - NCP15#,NSP15
34 Toyota YARIS GR - 202008 - GXPA16
35 Toyota YARIS/VIOS/LIMO (4D) - 201304 - NCP15#,NSP15
36 Toyota ZELAS - 201008 - 201607 - AGT20
37 Toyota LAND CRUISER - 200701 - FZJ7#,GDJ7#,GDJL7#,GRJ7#,HZJ7#,VDJ7#,VDJL7
38 Toyota LAND CRUISER - 200701 - GDJ7#,GDJL7#,FZJ7#,GRJ7#,HZJ7#,VDJ7#,VDJL7
39 Toyota CAMRY/AURION/HV(ARL) - 201110 - 201710 - ASV50,AVV50,GSV50
40 Toyota COROLLA SED/WG - 200704 - 201403 - CE140,NZE141,ZRE14#,ZZE14
41 Toyota COROLLA (CHINA) - 200705 - 201406 - ZRE15
42 Toyota COROLLA (CHINA) - 201406 - 201907 - NRE181,ZRE18#,ZWE182
43 Toyota COROLLA (S.AFRICA) - 200707 - 201911 - ADE150,NDE150,NRE150,ZRE15#,ZZE150
44 Toyota COROLLA (S.AMERICA) - 200803 - 201411 - ZRE14#,ZZE14
45 Toyota COROLLA (S.AMERICA) - 201403 - 202012 - ZRE17
46 Toyota COROLLA HB - 200703 - 201208 - ZRE152
47 Toyota COROLLA SED (JPP) - 201901 - MZEA1#,ZRE212,ZWE21
48 Toyota COROLLA SED - 200703 - 201311 - ZRE152,153
49 Toyota COROLLA - 201306 - NDE180,NRE180,ZRE18#,ZRE21#,ZWE219
50 Toyota COROLLA - 201308 - 201903 - ZRE172
51 Toyota COROLLA - 201908 - MZEA1#,NRE210,ZWE21
52 Toyota COROLLA/ALTIS - 200712 - 201407 - CE140,NDE140,NZE140,ZRE14#,ZZE14
53 Toyota COROLLA/ALTIS - 201310 - NDE170,NZE170,ZRE17#,ZZE172
54 Toyota COROLLA/ALTIS - 201904 - MZEA1#,ZRE21#,ZWE211
55 Toyota COROLLA/AURIS (JPP) - 201208 - 201805 - NRE180,ZRE18#,ZWE186
56 Toyota SIENTA (ASIA) - 201607 - NSP170
57 Toyota VIOS - 201911 - NSP15
58 Toyota VIOS/VIOS FS (CHINA) - 201311 - NSP15
59 Toyota VIOS/VIOS FS (CHINA) - 201311 - 202304 - NSP15
60 Toyota VIOS/YARIS - 202012 - NSP151
61 Toyota VIOS/YARIS - 202303 - NSP15
62 Toyota LAND CRUISER PRADO - 200908 - 201708 - GDJ150,GRJ150,KDJ150,LJ150,TRJ15
63 Toyota LAND CRUISER PRADO - 201005 - 202006 - GRJ150L-GKA*KC,GRJ152,TRJ150L-GK*EKC,TRJ152
64 Toyota LAND CRUISER PRADO - 201708 - GDJ150,GRJ150,KDJ150,LJ150,TRJ15
65 Toyota HILUX - 201107 - 202110 - GGN15,25,35,KUN1#,2#,3#,LAN15,25,35,TGN1#,26,36
66 Toyota HIACE - 200501 - 201402 - KDH2##,LH2##,TRH2
67 Toyota HIACE - 201312 - GDH2##,KDH2##,LH2##,TRH2
68 Toyota COASTER (CHINA) - 200012 - 201403 - BB5#,RZB5#,TRB53,XZB53
69 Toyota COASTER - 199301 - 201612 - BB4#,5#,BZB40,50,HZB50,RZB40,50,TRB40,50,XZB40,5
70 Toyota COASTER - 201701 - BB60,BZB60,70,GDB##,HZB60,70,TRB60,70,XZB60,70,80
71 Toyota RAV4 (CHINA) - 200903 - 201307 - ACA3
72 Toyota RAV4 (CHINA) - 201308 - 201911 - ASA4#,ZSA4
73 Toyota RAV4 - 200511 - 201212 - ACA3#,ALA3#,GSA33,ZSA3
74 Toyota RAV4 - 201212 - 201812 - ALA49,ASA4#,AVA4#,ZSA4
75 Toyota YARIS (CHINA) - 201312 - NSP15
76 Toyota YARIS (CHINA) - 201312 - 202304 - NSP15
77 Toyota YARIS - 201310 - NCP15#,NSP15
78 Toyota YARIS - 201908 - 202103 - NSP151
79 Toyota YARIS - 201911 - NSP15
80 Toyota YARIS - 202005 - MXPA10,MXPH10
81 Toyota LIMO YARIS/VIOS/LIMO - 201304 - NCP15#,NSP15
82 Toyota LEVIN/HYBRID - 201408 - 201905 - NRE181,ZRE18#,ZWE182
83 Toyota AURIS - 200610 - 201208 - NZE15#,ZRE15
84 Toyota AURIS - 201208 - 201805 - NRE185,NZE18#,ZRE186,ZWE186
85 Toyota DYNA HV - 202103 - XKC605,XKU6
86 Toyota DYNA - 202103 - XZC6##,XZU6
87 Toyota DYNA - 202108 - GDY231,281,TRY230
88 Toyota DYNA/TOYOACE HV - 201107 - XKC6##,XKU6
89 Toyota DYNA/TOYOACE HV - 201107 - XKU7
90 Toyota DYNA/TOYOACE - 200107 - KDY2##,LY2##,RZY2##,TRY2
91 Toyota DYNA/TOYOACE - 201107 - BZU600,TRC600,TRU600,XZC6##,XZU6
92 Toyota DYNA/TOYOACE - 201107 - XZC710,XZU7
93 Toyota GR COROLLA - 202212 - GZEA14
94 Toyota PROBOX/SUCCEED - 200206 - 201409 - NCP5#,NLP51
95 Toyota VITZ GRMN - 201711 - NSP131
96 Toyota YARIS GR - 202008 - GXPA16,MXPA12
97 Toyota COROLLA SPORT - 201806 - NRE21#,ZWE21#,MZEA12
98 Toyota COROLLA - 201908 - MZEA1#,NRE210,ZRE212,ZWE21
99 Toyota C-HR - 201612 - NGX10,50,ZYX1
100 Toyota HIACE/REGIUSACE - 200408 - 201312 - KDH2##,TRH2
101 Toyota HIACE/REGIUSACE - 201312 - KDH2##,TRH2##,GDH2
102 Toyota COASTER - 199301 - 201612 - BB4#,5#,BZB40,50,HDB5#,HZB4#,5#,XZB4#,5
103 Toyota COASTER - 201701 - GDB1#,60,70,80,XZB60,70,80
104 Toyota COASTER - 201701 - GDB60,70,80,XZB60,70,80
105 Toyota YARIS - 202002 - KSP210,MXPA1#,MXPH1
106 Toyota AURIS/COROLLA (JPP) - 200610 - 201208 - ADE150,NDE150,NRE150,ZRE15#,ZZE150
107 Toyota AURIS/HYBRID (UKP) - 200702 - 201305 - ADE15#,NDE150,NRE150,ZRE15#,ZZE150,ZWE150
108 Toyota AURIS/HYBRID (UKP) - 201210 - 201811 - ADE186,NDE180,NRE18#,WWE185,ZRE185,ZWE186
109 Toyota AVENSIS - 200811 - 201807 - ADT27#,WWT27#,ZRT27
110 Toyota URBAN CRUISER - 200901 - 201604 - NLP11#,NSP110
111 Toyota YARIS CROSS/HYBRID - 202107 - MXPB10,MXPJ1
112 Toyota YARIS GRMN - 201711 - 201804 - NSP131
113 Toyota YARIS(FRP) - 202007 - KSP211,MXPA11,MXPH1
114 Toyota YARIS(FRP) - 202007 - KSP211,MXPA11,MXPH11
115 Toyota YARIS/HYBRID (FRP) - 201107 - 201407 - KSP130,NHP130,NLP130,NSP130
116 Toyota YARIS/HYBRID(FRP) - 201407 - 202006 - KSP130,NHP130,NLP130,NSP13
117 Toyota LAND CRUISER - 201708 - GDJ15#,GRJ150,KDJ150,TRJ150
118 Toyota COROLLA (S.AFRICA) - 200802 - 201306 - ADE150,NDE150,NRE150,ZRE151,ZZE150
119 Toyota COROLLA SED (JPP) - 200611 - 201304 - ADE150,NDE150,NRE150,ZRE151,ZZE150
120 Toyota COROLLA - 201306 - 201901 - NDE180,NRE180,ZRE18
121 Toyota C-HR - 201610 - MAXH10,NGX10,50,ZGX10,ZYX1
122 Toyota LAND CRUISER PRADO - 200908 - 201708 - GDJ15#,GRJ150,KDJ15
123 Toyota HILUX - 201107 - 201512 - KUN2#,35
124 Toyota RAV4 - 201212 - 201909 - ALA4#,ASA44,AVA4#,WWA42,ZSA4
125 Toyota VERSO - 200902 - 201710 - AUR2#,WAR20,ZGR2
126 Toyota VERSO-S - 201011 - 201504 - NLP121,NSP120
127 Toyota YARIS (JPP) - 201108 - 201407 - KSP130,NSP130
128 Toyota FJ CRUISER - 200601 - 201407 - GSJ1
129 Toyota MATRIX - 200801 - 201406 - AZE14#,ZRE142
130 Toyota SCION IM/IM - 201506 - 201805 - ZRE186
131 Toyota SCION TC - 201008 - 201606 - AGT20
132 Toyota SCION XB - 200703 - 201512 - AZE151
133 Toyota TACOMA - 200409 - GRN2##,3##,TRN2
134 Toyota COROLLA NAP - 200801 - 201308 - AZE141,ZRE142
135 Toyota COROLLA HATCHBACK - 201806 - MZEA12
136 Toyota COROLLA SED (NAP) - 201903 - MZEA1#,ZRE212

How to

Common Issues

How do I confirm this switch fits my vehicle?

To ensure correct fitment, please provide your 17-digit VIN before placing your order. Our specialists will cross-reference your vehicle's specific transmission and production details against the OE specifications to verify that this switch is the correct match for your Toyota or Lexus model.

What are the symptoms of a failing reverse light switch?

Common symptoms include reverse lights that fail to illuminate when shifting into reverse, intermittent lighting, or a failure of the backup camera to activate. If your bulbs are functional but the lights remain off, the switch is likely failing to send the necessary signal to the electrical system.

Do you support wholesale orders and international shipping?

Yes, we support wholesale distributors, repair shops, and retail buyers globally. We offer flexible order handling and reliable shipping solutions to ensure your genuine parts reach your location efficiently. Please contact our sales team with your requirements to discuss bulk procurement and logistics support.

Installation Guide

Preparation

Ensure the vehicle is parked on a level surface with the ignition turned off and the parking brake firmly engaged. Allow the transmission and surrounding components to cool completely. Gather the necessary hand tools and ensure you have a clean workspace to prevent debris from entering the transmission housing.

Remove Old Part

Locate the switch on the transmission housing. Carefully disconnect the electrical harness connector, taking care not to damage the locking tabs. Use an appropriate wrench or socket to unscrew the old switch. Be prepared for a small amount of transmission fluid to potentially leak once the switch is removed.

Install New Genuine Part

Clean the mounting area on the transmission housing to ensure a proper seal. Thread the new genuine switch into place by hand to avoid cross-threading, then tighten it to the manufacturer's specification. Reconnect the electrical harness, ensuring the connector clicks securely into place, and test the reverse lights.

Product Description

Main Description

The reverse light switch 8421052050 is a critical electrical component responsible for activating your vehicle's backup lamps when the transmission is shifted into reverse. Over time, the internal contacts within the switch can wear down or become contaminated, leading to intermittent signal failure or a complete loss of reverse lighting. Replacing a faulty switch is essential for maintaining visibility and safety while reversing, as well as ensuring that other vehicle systems relying on this signal function correctly.

This 100% Genuine New component provides the exact electrical specifications required for your Toyota or Lexus transmission system. Because electrical switches can vary significantly based on transmission type, production date, and regional market specifications, we strongly recommend VIN verification before purchase. We provide comprehensive support for retail buyers, repair shops, and wholesale distributors, ensuring you receive the correct part for your specific vehicle configuration. Our team is ready to assist with your procurement needs for all genuine automotive electrical components.

Fitment Note

Fitment for this reverse light switch is highly dependent on your specific transmission model, production year, and regional market version. Because Toyota and Lexus utilize various switch designs across different chassis, the OE number alone may not guarantee compatibility. Please provide your full 17-digit VIN to ensure the part matches your vehicle's electrical system.

Buyer Note

We provide dedicated support for repair shops, independent distributors, and individual retail buyers. Our team handles orders of all sizes with professional care, offering flexible logistics and shipment support to destinations worldwide. Whether you are managing a single repair or stocking inventory for a workshop, we ensure your genuine parts arrive ready for installation.

Disclaimer

Notice: Fitment may vary by model, chassis, engine, and production year. Please verify your VIN with us before purchasing to ensure correct fitment.

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