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

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
1981BuickCenturyEstate4.3V8GAS | RWD; Manual;
1981BuickCenturyEstate5.7V8DIESEL | RWD; Manual;
1981BuickCenturyLimited4.3V8GAS | RWD; Manual;
1981BuickCenturyBase5.7V8DIESEL | RWD; Manual;
1981BuickCenturySport3.8V6GAS | RWD; Manual;
1981BuickCenturyLimited3.8V6GAS | RWD; Manual;
1981BuickCenturyBase3.8V6GAS | RWD; Manual;
1981BuickCenturyEstate3.8V6GAS | RWD; Manual;
1981BuickCenturyLimited5.7V8DIESEL | RWD; Manual;
1981BuickCenturySport4.3V8GAS | RWD; Manual;
1981BuickCenturyBase4.3V8GAS | RWD; Manual;
1981BuickRegalLimited3.8V6GAS | RWD; Manual;
1981BuickRegalLimited4.3V8GAS | RWD; Manual;
1981BuickRegalBase3.8V6GAS | RWD; Manual;
1981BuickRegalLimited5.7V8DIESEL | RWD; Manual;
1981BuickRegalBase4.3V8GAS | RWD; Manual;
1981BuickRegalSport5.7V8DIESEL | RWD; Manual;
1981BuickRegalBase5.7V8DIESEL | RWD; Manual;
1981BuickRegalSport3.8V6GAS | RWD; Manual;
1980BuickCenturyLimited5.0V8GAS | RWD; Manual;
1980BuickCenturyLimited4.9V8GAS | RWD; Manual;
1980BuickCenturyEstate5.0V8GAS | RWD; Manual;
1980BuickCenturyBase4.9V8GAS | RWD; Manual;
1980BuickCenturyEstate4.9V8GAS | RWD; Manual;
1980BuickCenturyBase3.8V6GAS | RWD; Manual;
1980BuickCenturyLimited4.3V8GAS | RWD; Manual;
1980BuickCenturyBase4.3V8GAS | RWD; Manual;
1980BuickCenturyEstate4.3V8GAS | RWD; Manual;
1980BuickCenturySport4.9V8GAS | RWD; Manual;
1980BuickCenturyLimited3.8V6GAS | RWD; Manual;
1980BuickCenturyEstate3.8V6GAS | RWD; Manual;
1980BuickCenturyBase5.0V8GAS | RWD; Manual;
1980BuickCenturySport3.8V6GAS | RWD; Manual;
1980ChevroletK5 BlazerCheyenne5.7V8GAS | 4WD; Manual; | RWD; Manual;
1980ChevroletK5 BlazerCustom Deluxe5.0V8GAS | 4WD; Manual; | RWD; Manual;
1980ChevroletK5 BlazerSilverado5.7V8GAS | 4WD; Manual; | RWD; Manual;
1980ChevroletK5 BlazerCheyenne5.0V8GAS | 4WD; Manual; | RWD; Manual;
1980ChevroletK5 BlazerCheyenne4.1L6GAS | 4WD; Manual; | RWD; Manual;
1980ChevroletK5 BlazerCustom Deluxe4.1L6GAS | 4WD; Manual; | RWD; Manual;
1980ChevroletK5 BlazerSilverado4.1L6GAS | 4WD; Manual; | RWD; Manual;
1980ChevroletK5 BlazerCustom Deluxe5.7V8GAS | 4WD; Manual; | RWD; Manual;
1980ChevroletK5 BlazerSilverado5.0V8GAS | 4WD; Manual; | RWD; Manual;
1980ChevroletC10Cheyenne5.7V8GAS | RWD;
1980ChevroletC10Cheyenne4.1L6GAS | RWD;
1980ChevroletC10Scottsdale4.1L6GAS | RWD;
1980ChevroletC10Custom Deluxe6.6V8GAS | RWD;
1980ChevroletC10Scottsdale5.7V8DIESEL | RWD;
1980ChevroletC10Silverado4.1L6GAS | RWD;
1980ChevroletC10Custom Deluxe4.8L6GAS | RWD;
1980ChevroletC10Scottsdale5.0V8GAS | RWD;
1980ChevroletC10Scottsdale4.8L6GAS | RWD;
1980ChevroletC10Cheyenne7.4V8GAS | RWD;
1980ChevroletC10Scottsdale7.4V8GAS | RWD;
1980ChevroletC10Cheyenne5.0V8GAS | RWD;
1980ChevroletC10Cheyenne6.6V8GAS | RWD;
1980ChevroletC10Big Ten4.8L6GAS | RWD;
1980ChevroletC10Cheyenne4.8L6GAS | RWD;
1980ChevroletC10Silverado5.7V8GAS | RWD;
1980ChevroletC10Cheyenne5.7V8DIESEL | RWD;
1980ChevroletC10Custom Deluxe5.0V8GAS | RWD;
1980ChevroletC10Silverado7.4V8GAS | RWD;
1980ChevroletC10Big Ten5.0V8GAS | RWD;
1980ChevroletC10Custom Deluxe5.7V8GAS | RWD;
1980ChevroletC10Custom Deluxe5.7V8DIESEL | RWD;
1980ChevroletC10Silverado4.8L6GAS | RWD;
1980ChevroletC10Big Ten7.4V8GAS | RWD;
1980ChevroletC10Custom Deluxe4.1L6GAS | RWD;
1980ChevroletC10Custom Deluxe7.4V8GAS | RWD;
1980ChevroletC10Scottsdale6.6V8GAS | RWD;
1980ChevroletC10Scottsdale5.7V8GAS | RWD;
1980ChevroletC10Silverado5.0V8GAS | RWD;
1980ChevroletC10Silverado6.6V8GAS | RWD;
1980ChevroletC10Silverado5.7V8DIESEL | RWD;
1980ChevroletC10Big Ten5.7V8GAS | RWD;
1980ChevroletC10Big Ten6.6V8GAS | RWD;
1980ChevroletC10Big Ten4.1L6GAS | RWD;
1980ChevroletC10 SuburbanCustom Deluxe5.7V8DIESEL | RWD; Manual;
1980ChevroletC10 SuburbanScottsdale5.7V8GAS | RWD; Manual;
1980ChevroletC10 SuburbanScottsdale4.1L6GAS | RWD; Manual;
1980ChevroletC10 SuburbanScottsdale5.7V8DIESEL | RWD; Manual;
1980ChevroletC10 SuburbanCustom Deluxe4.1L6GAS | RWD; Manual;
1980ChevroletC10 SuburbanSilverado5.7V8GAS | RWD; Manual;
1980ChevroletC10 SuburbanCustom Deluxe5.7V8GAS | RWD; Manual;
1980ChevroletC10 SuburbanCustom Deluxe7.4V8GAS | RWD; Manual;
1980ChevroletC10 SuburbanSilverado4.1L6GAS | RWD; Manual;
1980ChevroletC10 SuburbanSilverado5.7V8DIESEL | RWD; Manual;
1980ChevroletC10 SuburbanScottsdale7.4V8GAS | RWD; Manual;
1980ChevroletC10 SuburbanSilverado7.4V8GAS | RWD; Manual;
1980ChevroletC20Cheyenne4.1L6GAS | RWD;
1980ChevroletC20Custom Deluxe5.7V8GAS | RWD;
1980ChevroletC20Silverado4.1L6GAS | RWD;
1980ChevroletC20Custom Deluxe4.1L6GAS | RWD;
1980ChevroletC20Cheyenne5.7V8GAS | RWD;
1980ChevroletC20Scottsdale6.6V8GAS | RWD;
1980ChevroletC20Custom Deluxe6.6V8GAS | RWD;
1980ChevroletC20Silverado4.8L6GAS | RWD;
1980ChevroletC20Scottsdale7.4V8GAS | RWD;
1980ChevroletC20Silverado5.7V8GAS | RWD;
1980ChevroletC20Cheyenne7.4V8GAS | RWD;
1980ChevroletC20Cheyenne6.6V8GAS | RWD;
1980ChevroletC20Cheyenne4.8L6GAS | RWD;
1980ChevroletC20Scottsdale5.7V8GAS | RWD;
1980ChevroletC20Silverado7.4V8GAS | RWD;
1980ChevroletC20Scottsdale4.1L6GAS | RWD;
1980ChevroletC20Silverado6.6V8GAS | RWD;
1980ChevroletC20Custom Deluxe7.4V8GAS | RWD;
1980ChevroletC20Custom Deluxe4.8L6GAS | RWD;
1980ChevroletC20Scottsdale4.8L6GAS | RWD;
1980ChevroletC20 SuburbanCustom Deluxe6.6V8GAS | RWD; Manual;
1980ChevroletC20 SuburbanCustom Deluxe5.7V8GAS | RWD; Manual;
1980ChevroletC20 SuburbanSilverado5.7V8GAS | RWD; Manual;
1980ChevroletC20 SuburbanScottsdale6.6V8GAS | RWD; Manual;
1980ChevroletC20 SuburbanScottsdale7.4V8GAS | RWD; Manual;
1980ChevroletC20 SuburbanCustom Deluxe7.4V8GAS | RWD; Manual;
1980ChevroletC20 SuburbanSilverado7.4V8GAS | RWD; Manual;
1980ChevroletC20 SuburbanScottsdale4.8L6GAS | RWD; Manual;
1980ChevroletC20 SuburbanScottsdale5.7V8GAS | RWD; Manual;
1980ChevroletC20 SuburbanSilverado4.8L6GAS | RWD; Manual;
1980ChevroletC20 SuburbanSilverado6.6V8GAS | RWD; Manual;
1980ChevroletC20 SuburbanCustom Deluxe4.8L6GAS | RWD; Manual;
1980ChevroletC30Cheyenne4.1L6GAS | RWD;
1980ChevroletC30Silverado4.1L6GAS | RWD;
1980ChevroletC30Silverado4.8L6GAS | RWD;
1980ChevroletC30Cheyenne5.7V8GAS | RWD;
1980ChevroletC30Scottsdale7.4V8GAS | RWD;
1980ChevroletC30Custom Deluxe5.7V8GAS | RWD;
1980ChevroletC30Silverado5.7V8GAS | RWD;
1980ChevroletC30Custom Deluxe4.1L6GAS | RWD;
1980ChevroletC30Cheyenne7.4V8GAS | RWD;
1980ChevroletC30Cheyenne4.8L6GAS | RWD;
1980ChevroletC30Scottsdale5.7V8GAS | RWD;
1980ChevroletC30Silverado7.4V8GAS | RWD;
1980ChevroletC30Scottsdale4.1L6GAS | RWD;
1980ChevroletC30Custom Deluxe7.4V8GAS | RWD;
1980ChevroletC30Custom Deluxe4.8L6GAS | RWD;
1980ChevroletC30Scottsdale4.8L6GAS | RWD;
1980ChevroletEl CaminoBase3.8V6GAS | RWD; Manual;
1980ChevroletEl CaminoBase4.4V8GAS | RWD; Manual;
1980ChevroletEl CaminoBase5.0V8GAS | RWD; Manual;
1980ChevroletEl CaminoRoyal Knight3.8V6GAS | RWD; Manual;
1980ChevroletEl CaminoRoyal Knight5.0V8GAS | RWD; Manual;
1980ChevroletEl CaminoRoyal Knight3.8V6GAS | RWD; Manual;
1980ChevroletEl CaminoSS5.0V8GAS | RWD; Manual;
1980ChevroletEl CaminoBase3.8V6GAS | RWD; Manual;
1980ChevroletEl CaminoSS3.8V6GAS | RWD; Manual;
1980ChevroletEl CaminoRoyal Knight4.4V8GAS | RWD; Manual;
1980ChevroletEl CaminoSS4.4V8GAS | RWD; Manual;
1980ChevroletG10Beauville5.0V8GAS | RWD; Manual;
1980ChevroletG10Sportvan5.0V8GAS | RWD; Manual;
1980ChevroletG10Beauville5.7V8GAS | RWD; Manual;
1980ChevroletG10Beauville4.1L6GAS | RWD; Manual;
1980ChevroletG10Chevy Van5.0V8GAS | RWD; Manual;
1980ChevroletG10Sportvan5.7V8GAS | RWD; Manual;
1980ChevroletG10Sportvan4.1L6GAS | RWD; Manual;
1980ChevroletG10Chevy Van5.7V8GAS | RWD; Manual;
1980ChevroletG10Chevy Van4.1L6GAS | RWD; Manual;
1980ChevroletG20Beauville5.0V8GAS | RWD; Manual;
1980ChevroletG20Chevy Van6.6V8GAS | RWD; Manual;
1980ChevroletG20Beauville6.6V8GAS | RWD; Manual;
1980ChevroletG20Chevy Van4.1L6GAS | RWD; Manual;
1980ChevroletG20Nomad6.6V8GAS | RWD; Manual;
1980ChevroletG20Beauville5.7V8GAS | RWD; Manual;
1980ChevroletG20Beauville4.1L6GAS | RWD; Manual;
1980ChevroletG20Sportvan5.7V8GAS | RWD; Manual;
1980ChevroletG20Sportvan4.1L6GAS | RWD; Manual;
1980ChevroletG20Nomad5.7V8GAS | RWD; Manual;
1980ChevroletG20Nomad4.1L6GAS | RWD; Manual;
1980ChevroletG20Chevy Van5.7V8GAS | RWD; Manual;
1980ChevroletG20Sportvan6.6V8GAS | RWD; Manual;
1980ChevroletG30Beauville6.6V8GAS | RWD; Manual;
1980ChevroletG30Beauville5.7V8GAS | RWD; Manual;
1980ChevroletG30Chevy Van5.7V8GAS | RWD; Manual;
1980ChevroletG30Sportvan5.7V8GAS | RWD; Manual;
1980ChevroletG30Sportvan6.6V8GAS | RWD; Manual;
1980ChevroletG30Hi-Cube6.6V8GAS | RWD; Manual;
1980ChevroletG30Chevy Van6.6V8GAS | RWD; Manual;
1980ChevroletG30Hi-Cube5.7V8GAS | RWD; Manual;
1980ChevroletK10Cheyenne5.7V8GAS | 4WD;
1980ChevroletK10Cheyenne4.1L6GAS | 4WD;
1980ChevroletK10Scottsdale4.1L6GAS | 4WD;
1980ChevroletK10Custom Deluxe6.6V8GAS | 4WD;
1980ChevroletK10Silverado4.1L6GAS | 4WD;
1980ChevroletK10Custom Deluxe5.7V8GAS | 4WD;
1980ChevroletK10Custom Deluxe4.1L6GAS | 4WD;
1980ChevroletK10Scottsdale6.6V8GAS | 4WD;
1980ChevroletK10Cheyenne6.6V8GAS | 4WD;
1980ChevroletK10Scottsdale7.4V8GAS | 4WD;
1980ChevroletK10Custom Deluxe7.4V8GAS | 4WD;
1980ChevroletK10Custom Deluxe4.8L6GAS | 4WD;
1980ChevroletK10Cheyenne7.4V8GAS | 4WD;
1980ChevroletK10Silverado5.7V8GAS | 4WD;
1980ChevroletK10Scottsdale5.7V8GAS | 4WD;
1980ChevroletK10Scottsdale4.8L6GAS | 4WD;
1980ChevroletK10Cheyenne4.8L6GAS | 4WD;
1980ChevroletK10Silverado6.6V8GAS | 4WD;
1980ChevroletK10Silverado7.4V8GAS | 4WD;
1980ChevroletK10Silverado4.8L6GAS | 4WD;
1980ChevroletK10 SuburbanCustom Deluxe5.7V8GAS | 4WD; Manual;
1980ChevroletK10 SuburbanScottsdale5.7V8GAS | 4WD; Manual;
1980ChevroletK10 SuburbanSilverado5.7V8GAS | 4WD; Manual;
1980ChevroletK10 SuburbanCustom Deluxe4.1L6GAS | 4WD; Manual;
1980ChevroletK10 SuburbanScottsdale4.1L6GAS | 4WD; Manual;
1980ChevroletK10 SuburbanSilverado4.1L6GAS | 4WD; Manual;
1980ChevroletK20Silverado4.8L6GAS | 4WD;
1980ChevroletK20Cheyenne4.1L6GAS | 4WD;
1980ChevroletK20Silverado4.1L6GAS | 4WD;
1980ChevroletK20Cheyenne5.7V8GAS | 4WD;
1980ChevroletK20Custom Deluxe5.7V8GAS | 4WD;
1980ChevroletK20Custom Deluxe4.8L6GAS | 4WD;
1980ChevroletK20Custom Deluxe6.6V8GAS | 4WD;
1980ChevroletK20Custom Deluxe4.1L6GAS | 4WD;
1980ChevroletK20Silverado5.7V8GAS | 4WD;
1980ChevroletK20Scottsdale6.6V8GAS | 4WD;
1980ChevroletK20Scottsdale4.8L6GAS | 4WD;
1980ChevroletK20Cheyenne4.8L6GAS | 4WD;
1980ChevroletK20Cheyenne6.6V8GAS | 4WD;
1980ChevroletK20Scottsdale5.7V8GAS | 4WD;
1980ChevroletK20Scottsdale4.1L6GAS | 4WD;
1980ChevroletK20Silverado6.6V8GAS | 4WD;
1980ChevroletK20 SuburbanCustom Deluxe6.6V8GAS | 4WD; Manual;
1980ChevroletK20 SuburbanSilverado4.8L6GAS | 4WD; Manual;
1980ChevroletK20 SuburbanCustom Deluxe4.8L6GAS | 4WD; Manual;
1980ChevroletK20 SuburbanSilverado5.7V8GAS | 4WD; Manual;
1980ChevroletK20 SuburbanScottsdale4.8L6GAS | 4WD; Manual;
1980ChevroletK20 SuburbanScottsdale5.7V8GAS | 4WD; Manual;
1980ChevroletK20 SuburbanSilverado6.6V8GAS | 4WD; Manual;
1980ChevroletK20 SuburbanCustom Deluxe5.7V8GAS | 4WD; Manual;
1980ChevroletK20 SuburbanScottsdale6.6V8GAS | 4WD; Manual;
1980ChevroletK30Cheyenne5.7V8GAS | 4WD;
1980ChevroletK30Custom Deluxe7.4V8GAS | 4WD;
1980ChevroletK30Cheyenne7.4V8GAS | 4WD;
1980ChevroletK30Custom Deluxe6.6V8GAS | 4WD;
1980ChevroletK30Cheyenne6.6V8GAS | 4WD;
1980ChevroletK30Scottsdale5.7V8GAS | 4WD;
1980ChevroletK30Custom Deluxe5.7V8GAS | 4WD;
1980ChevroletK30Cheyenne4.8L6GAS | 4WD;
1980ChevroletK30Silverado5.7V8GAS | 4WD;
1980ChevroletK30Silverado6.6V8GAS | 4WD;
1980ChevroletK30Scottsdale6.6V8GAS | 4WD;
1980ChevroletK30Silverado7.4V8GAS | 4WD;
1980ChevroletK30Silverado4.8L6GAS | 4WD;
1980ChevroletK30Custom Deluxe4.8L6GAS | 4WD;
1980ChevroletK30Scottsdale7.4V8GAS | 4WD;
1980ChevroletK30Scottsdale4.8L6GAS | 4WD;
1980ChevroletMalibuBase5.0V8GAS | RWD; Manual;
1980ChevroletMalibuSport3.8V6GAS | RWD; Manual;
1980ChevroletMalibuClassic Estate4.4V8GAS | RWD; Manual;
1980ChevroletMalibuEstate3.8V6GAS | RWD; Manual;
1980ChevroletMalibuClassic Landau3.8V6GAS | RWD; Manual;
1980ChevroletMalibuSport3.8V6GAS | RWD; 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

Newparts.com is your go to store for all parts and accessories at the best price and delivered quickly. Every order we ship receives a tracking number so that you can watch it all the way until it reaches your door. We only ship using the major shipping carriers like FedEx, UPS and USPS to ensure quick and safe delivery of your new car parts order.

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.

Free shipping Icon

FREE SHIPPING

Available on all kits, sets & Bison performance products