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Need expert help? Reach out to us via live chat MON-SAT, 9AM to 5PM ET, for support. Our specialists are ready to assist you!

Please, add your first item to the wishlist

Select vehicle to confirm fitment

Back Up Light Switch

PART#: NS-18
Standard Ignition

$15.30

In stock

Interchanges
BrandPart #
ACDelcoD2274C
Airtex1S5038
BWDS393
CARQUEST Premium By WELLS53-11616 / 5311616
Carquest Standard FiltersSAA4615
Cartek89012
DuralastDR400
EchlinNS6578
General Motors88923327
KEMNS21
NAPA Mileage PlusNS6578SB
Original Engine Management89012
Rostra Powertrain67-0090 / 670090
T SeriesNS18T
Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
1981BuickCenturyLimited3.8V6GAS | Manual;
1981BuickCenturyBase3.8V6GAS | Manual;
1981BuickCenturyEstate3.8V6GAS | Manual;
1981BuickCenturyEstate4.3V8GAS | Manual;
1981BuickCenturySport4.3V8GAS | Manual;
1981BuickCenturyEstate5.7V8DIESEL | Manual;
1981BuickCenturyLimited5.7V8DIESEL | Manual;
1981BuickCenturyLimited4.3V8GAS | Manual;
1981BuickCenturyBase4.3V8GAS | Manual;
1981BuickCenturyBase5.7V8DIESEL | Manual;
1981BuickCenturySport3.8V6GAS | Manual;
1981BuickRegalSport5.7V8DIESEL | Manual;
1981BuickRegalBase3.8V6GAS | Manual;
1981BuickRegalBase5.7V8DIESEL | Manual;
1981BuickRegalSport3.8V6GAS | Manual;
1981BuickRegalLimited3.8V6GAS | Manual;
1981BuickRegalLimited4.3V8GAS | Manual;
1981BuickRegalLimited5.7V8DIESEL | Manual;
1981BuickRegalBase4.3V8GAS | Manual;
1980BuickCenturyEstate3.8V6GAS | Manual;
1980BuickCenturyLimited3.8V6GAS | Manual;
1980BuickCenturyEstate4.3V8GAS | Manual;
1980BuickCenturyBase5.0V8GAS | Manual;
1980BuickCenturySport3.8V6GAS | Manual;
1980BuickCenturyBase4.3V8GAS | Manual;
1980BuickCenturyBase4.9V8GAS | Manual;
1980BuickCenturySport4.9V8GAS | Manual;
1980BuickCenturyLimited5.0V8GAS | Manual;
1980BuickCenturyLimited4.3V8GAS | Manual;
1980BuickCenturyLimited4.9V8GAS | Manual;
1980BuickCenturyBase3.8V6GAS | Manual;
1980BuickCenturyEstate5.0V8GAS | Manual;
1980BuickCenturyEstate4.9V8GAS | Manual;
1980ChevroletK5 BlazerCheyenne5.7V8GAS | Manual;
1980ChevroletK5 BlazerSilverado5.7V8GAS | Manual;
1980ChevroletK5 BlazerSilverado4.1L6GAS | Manual;
1980ChevroletK5 BlazerCheyenne5.0V8GAS | Manual;
1980ChevroletK5 BlazerCustom Deluxe5.0V8GAS | Manual;
1980ChevroletK5 BlazerCustom Deluxe5.7V8GAS | Manual;
1980ChevroletK5 BlazerSilverado5.0V8GAS | Manual;
1980ChevroletK5 BlazerCheyenne4.1L6GAS | Manual;
1980ChevroletK5 BlazerCustom Deluxe4.1L6GAS | Manual;
1980ChevroletC10Custom Deluxe5.7V8DIESEL
1980ChevroletC10Big Ten4.8L6GAS
1980ChevroletC10Custom Deluxe7.4V8GAS
1980ChevroletC10Scottsdale5.7V8GAS
1980ChevroletC10Silverado6.6V8GAS
1980ChevroletC10Big Ten5.7V8GAS
1980ChevroletC10Big Ten4.1L6GAS
1980ChevroletC10Cheyenne5.7V8GAS
1980ChevroletC10Cheyenne4.1L6GAS
1980ChevroletC10Custom Deluxe6.6V8GAS
1980ChevroletC10Scottsdale5.7V8DIESEL
1980ChevroletC10Silverado4.1L6GAS
1980ChevroletC10Cheyenne5.0V8GAS
1980ChevroletC10Cheyenne5.7V8DIESEL
1980ChevroletC10Custom Deluxe5.7V8GAS
1980ChevroletC10Scottsdale4.1L6GAS
1980ChevroletC10Custom Deluxe4.8L6GAS
1980ChevroletC10Custom Deluxe4.1L6GAS
1980ChevroletC10Scottsdale6.6V8GAS
1980ChevroletC10Silverado5.0V8GAS
1980ChevroletC10Silverado5.7V8DIESEL
1980ChevroletC10Big Ten6.6V8GAS
1980ChevroletC10Scottsdale5.0V8GAS
1980ChevroletC10Scottsdale7.4V8GAS
1980ChevroletC10Cheyenne7.4V8GAS
1980ChevroletC10Silverado5.7V8GAS
1980ChevroletC10Cheyenne4.8L6GAS
1980ChevroletC10Big Ten5.0V8GAS
1980ChevroletC10Silverado7.4V8GAS
1980ChevroletC10Big Ten7.4V8GAS
1980ChevroletC10Silverado4.8L6GAS
1980ChevroletC10Cheyenne6.6V8GAS
1980ChevroletC10Custom Deluxe5.0V8GAS
1980ChevroletC10Scottsdale4.8L6GAS
1980ChevroletC10 SuburbanScottsdale5.7V8DIESEL | Manual;
1980ChevroletC10 SuburbanCustom Deluxe7.4V8GAS | Manual;
1980ChevroletC10 SuburbanSilverado5.7V8GAS | Manual;
1980ChevroletC10 SuburbanCustom Deluxe4.1L6GAS | Manual;
1980ChevroletC10 SuburbanSilverado4.1L6GAS | Manual;
1980ChevroletC10 SuburbanScottsdale7.4V8GAS | Manual;
1980ChevroletC10 SuburbanCustom Deluxe5.7V8DIESEL | Manual;
1980ChevroletC10 SuburbanScottsdale5.7V8GAS | Manual;
1980ChevroletC10 SuburbanScottsdale4.1L6GAS | Manual;
1980ChevroletC10 SuburbanCustom Deluxe5.7V8GAS | Manual;
1980ChevroletC10 SuburbanSilverado5.7V8DIESEL | Manual;
1980ChevroletC10 SuburbanSilverado7.4V8GAS | Manual;
1980ChevroletC20Cheyenne4.1L6GAS
1980ChevroletC20Silverado4.1L6GAS
1980ChevroletC20Custom Deluxe5.7V8GAS
1980ChevroletC20Custom Deluxe4.1L6GAS
1980ChevroletC20Cheyenne6.6V8GAS
1980ChevroletC20Scottsdale6.6V8GAS
1980ChevroletC20Scottsdale5.7V8GAS
1980ChevroletC20Custom Deluxe7.4V8GAS
1980ChevroletC20Scottsdale4.1L6GAS
1980ChevroletC20Custom Deluxe4.8L6GAS
1980ChevroletC20Silverado6.6V8GAS
1980ChevroletC20Scottsdale4.8L6GAS
1980ChevroletC20Silverado4.8L6GAS
1980ChevroletC20Cheyenne5.7V8GAS
1980ChevroletC20Custom Deluxe6.6V8GAS
1980ChevroletC20Cheyenne7.4V8GAS
1980ChevroletC20Scottsdale7.4V8GAS
1980ChevroletC20Cheyenne4.8L6GAS
1980ChevroletC20Silverado5.7V8GAS
1980ChevroletC20Silverado7.4V8GAS
1980ChevroletC20 SuburbanSilverado7.4V8GAS | Manual;
1980ChevroletC20 SuburbanSilverado4.8L6GAS | Manual;
1980ChevroletC20 SuburbanCustom Deluxe4.8L6GAS | Manual;
1980ChevroletC20 SuburbanCustom Deluxe5.7V8GAS | Manual;
1980ChevroletC20 SuburbanCustom Deluxe6.6V8GAS | Manual;
1980ChevroletC20 SuburbanScottsdale6.6V8GAS | Manual;
1980ChevroletC20 SuburbanSilverado5.7V8GAS | Manual;
1980ChevroletC20 SuburbanScottsdale7.4V8GAS | Manual;
1980ChevroletC20 SuburbanCustom Deluxe7.4V8GAS | Manual;
1980ChevroletC20 SuburbanScottsdale5.7V8GAS | Manual;
1980ChevroletC20 SuburbanSilverado6.6V8GAS | Manual;
1980ChevroletC20 SuburbanScottsdale4.8L6GAS | Manual;
1980ChevroletC30Scottsdale5.7V8GAS
1980ChevroletC30Custom Deluxe5.7V8GAS
1980ChevroletC30Scottsdale4.1L6GAS
1980ChevroletC30Cheyenne4.1L6GAS
1980ChevroletC30Custom Deluxe4.1L6GAS
1980ChevroletC30Silverado4.1L6GAS
1980ChevroletC30Custom Deluxe7.4V8GAS
1980ChevroletC30Custom Deluxe4.8L6GAS
1980ChevroletC30Cheyenne7.4V8GAS
1980ChevroletC30Cheyenne5.7V8GAS
1980ChevroletC30Silverado4.8L6GAS
1980ChevroletC30Cheyenne4.8L6GAS
1980ChevroletC30Silverado7.4V8GAS
1980ChevroletC30Scottsdale7.4V8GAS
1980ChevroletC30Scottsdale4.8L6GAS
1980ChevroletC30Silverado5.7V8GAS
1980ChevroletEl CaminoBase4.4V8GAS | Manual;
1980ChevroletEl CaminoRoyal Knight5.0V8GAS | Manual;
1980ChevroletEl CaminoSS3.8V6GAS | Manual;
1980ChevroletEl CaminoBase3.8V6GAS | Manual;
1980ChevroletEl CaminoBase3.8V6GAS | Manual;
1980ChevroletEl CaminoRoyal Knight4.4V8GAS | Manual;
1980ChevroletEl CaminoSS4.4V8GAS | Manual;
1980ChevroletEl CaminoRoyal Knight3.8V6GAS | Manual;
1980ChevroletEl CaminoSS5.0V8GAS | Manual;
1980ChevroletEl CaminoBase5.0V8GAS | Manual;
1980ChevroletEl CaminoRoyal Knight3.8V6GAS | Manual;
1980ChevroletG10Chevy Van4.1L6GAS | Manual;
1980ChevroletG10Beauville5.0V8GAS | Manual;
1980ChevroletG10Chevy Van5.7V8GAS | Manual;
1980ChevroletG10Sportvan5.0V8GAS | Manual;
1980ChevroletG10Beauville5.7V8GAS | Manual;
1980ChevroletG10Beauville4.1L6GAS | Manual;
1980ChevroletG10Chevy Van5.0V8GAS | Manual;
1980ChevroletG10Sportvan5.7V8GAS | Manual;
1980ChevroletG10Sportvan4.1L6GAS | Manual;
1980ChevroletG20Nomad4.1L6GAS | Manual;
1980ChevroletG20Beauville6.6V8GAS | Manual;
1980ChevroletG20Chevy Van4.1L6GAS | Manual;
1980ChevroletG20Nomad6.6V8GAS | Manual;
1980ChevroletG20Chevy Van5.7V8GAS | Manual;
1980ChevroletG20Sportvan6.6V8GAS | Manual;
1980ChevroletG20Beauville5.0V8GAS | Manual;
1980ChevroletG20Chevy Van6.6V8GAS | Manual;
1980ChevroletG20Beauville5.7V8GAS | Manual;
1980ChevroletG20Beauville4.1L6GAS | Manual;
1980ChevroletG20Sportvan5.7V8GAS | Manual;
1980ChevroletG20Sportvan4.1L6GAS | Manual;
1980ChevroletG20Nomad5.7V8GAS | Manual;
1980ChevroletG30Beauville6.6V8GAS | Manual;
1980ChevroletG30Chevy Van5.7V8GAS | Manual;
1980ChevroletG30Sportvan6.6V8GAS | Manual;
1980ChevroletG30Chevy Van6.6V8GAS | Manual;
1980ChevroletG30Hi-Cube5.7V8GAS | Manual;
1980ChevroletG30Beauville5.7V8GAS | Manual;
1980ChevroletG30Sportvan5.7V8GAS | Manual;
1980ChevroletG30Hi-Cube6.6V8GAS | Manual;
1980ChevroletK10Scottsdale4.1L6GAS
1980ChevroletK10Cheyenne5.7V8GAS
1980ChevroletK10Cheyenne4.1L6GAS
1980ChevroletK10Custom Deluxe6.6V8GAS
1980ChevroletK10Scottsdale4.8L6GAS
1980ChevroletK10Silverado4.1L6GAS
1980ChevroletK10Custom Deluxe4.8L6GAS
1980ChevroletK10Custom Deluxe5.7V8GAS
1980ChevroletK10Custom Deluxe4.1L6GAS
1980ChevroletK10Scottsdale6.6V8GAS
1980ChevroletK10Cheyenne6.6V8GAS
1980ChevroletK10Custom Deluxe7.4V8GAS
1980ChevroletK10Scottsdale5.7V8GAS
1980ChevroletK10Scottsdale7.4V8GAS
1980ChevroletK10Silverado6.6V8GAS
1980ChevroletK10Silverado5.7V8GAS
1980ChevroletK10Cheyenne7.4V8GAS
1980ChevroletK10Cheyenne4.8L6GAS
1980ChevroletK10Silverado7.4V8GAS
1980ChevroletK10Silverado4.8L6GAS
1980ChevroletK10 SuburbanCustom Deluxe4.1L6GAS | Manual;
1980ChevroletK10 SuburbanScottsdale5.7V8GAS | Manual;
1980ChevroletK10 SuburbanScottsdale4.1L6GAS | Manual;
1980ChevroletK10 SuburbanSilverado5.7V8GAS | Manual;
1980ChevroletK10 SuburbanCustom Deluxe5.7V8GAS | Manual;
1980ChevroletK10 SuburbanSilverado4.1L6GAS | Manual;
1980ChevroletK20Custom Deluxe4.8L6GAS
1980ChevroletK20Custom Deluxe5.7V8GAS
1980ChevroletK20Custom Deluxe4.1L6GAS
1980ChevroletK20Scottsdale6.6V8GAS
1980ChevroletK20Silverado4.8L6GAS
1980ChevroletK20Cheyenne6.6V8GAS
1980ChevroletK20Cheyenne5.7V8GAS
1980ChevroletK20Scottsdale5.7V8GAS
1980ChevroletK20Custom Deluxe6.6V8GAS
1980ChevroletK20Scottsdale4.1L6GAS
1980ChevroletK20Cheyenne4.8L6GAS
1980ChevroletK20Silverado5.7V8GAS
1980ChevroletK20Silverado6.6V8GAS
1980ChevroletK20Scottsdale4.8L6GAS
1980ChevroletK20Cheyenne4.1L6GAS
1980ChevroletK20Silverado4.1L6GAS
1980ChevroletK20 SuburbanCustom Deluxe4.8L6GAS | Manual;
1980ChevroletK20 SuburbanSilverado4.8L6GAS | Manual;
1980ChevroletK20 SuburbanCustom Deluxe6.6V8GAS | Manual;
1980ChevroletK20 SuburbanScottsdale5.7V8GAS | Manual;
1980ChevroletK20 SuburbanSilverado5.7V8GAS | Manual;
1980ChevroletK20 SuburbanSilverado6.6V8GAS | Manual;
1980ChevroletK20 SuburbanScottsdale4.8L6GAS | Manual;
1980ChevroletK20 SuburbanCustom Deluxe5.7V8GAS | Manual;
1980ChevroletK20 SuburbanScottsdale6.6V8GAS | Manual;
1980ChevroletK30Cheyenne6.6V8GAS
1980ChevroletK30Custom Deluxe4.8L6GAS
1980ChevroletK30Cheyenne4.8L6GAS
1980ChevroletK30Silverado7.4V8GAS
1980ChevroletK30Silverado4.8L6GAS
1980ChevroletK30Cheyenne5.7V8GAS
1980ChevroletK30Custom Deluxe6.6V8GAS
1980ChevroletK30Custom Deluxe7.4V8GAS
1980ChevroletK30Silverado5.7V8GAS
1980ChevroletK30Scottsdale5.7V8GAS
1980ChevroletK30Scottsdale7.4V8GAS
1980ChevroletK30Silverado6.6V8GAS
1980ChevroletK30Scottsdale4.8L6GAS
1980ChevroletK30Cheyenne7.4V8GAS
1980ChevroletK30Custom Deluxe5.7V8GAS
1980ChevroletK30Scottsdale6.6V8GAS
1980ChevroletMalibuSport4.4V8GAS | Manual;
1980ChevroletMalibuClassic Landau4.4V8GAS | Manual;
1980ChevroletMalibuClassic3.8V6GAS | Manual;
1980ChevroletMalibuClassic3.8V6GAS | Manual;
1980ChevroletMalibuEstate3.8V6GAS | Manual;
1980ChevroletMalibuClassic Landau5.0V8GAS | Manual;
Specifications
Color/FinishBlack
Connector GenderMale
Connector Quantity1
FinishAluminum, Plastic
Terminal GenderMale
Terminal Quantity2
Terminal TypeBlade
Warranty
We offer a 2-year warranty on all parts that we sell. If the part fails within 2 years of purchase, please contact us for instructions to replace it. The warranty does not cover normal wear and tear or improper installation. On many parts, we also offer Extend product protection, which is a way to add up to 3 additional years for 5 total years of worry free coverage. Select your preferred term length and you're covered!
Delivery & Returns

Delivery Info

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Returns Info

Newparts.com offers a thirty (30) day return for refund for all items purchased through Newparts.com. To qualify for return and refund, all items must be new and in their original manufacturers box. To initiate a return, please contact our customer service. This information is only a summary. Complete shipping and return policy information can be found in our web site policies.

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