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Please, add your first item to the wishlist

Select vehicle to confirm fitment

Spark Plug

PART#: R43S
ACDelco

$1.85

In stock

Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
1979DodgeCB300Base7.2V8GASGap .035
1978ChryslerCordobaBase6.6V8GASGap .035
1978ChryslerNew YorkerBrougham6.6V8GASGap .035
1978ChryslerNew YorkerBrougham7.2V8GASGap .035
1978ChryslerNewportBase6.6V8GASGap .035
1978ChryslerNewportBase7.2V8GASGap .035
1978DodgeB200Base6.6V8GASGap .035
1978DodgeB200Base7.2V8GASGap .035
1978DodgeB300Base6.6V8GASGap .035
1978DodgeB300Base7.2V8GASGap .035
1978DodgeCB300Base7.2V8GASGap .035
1978DodgeCB300Base6.6V8GASGap .035
1978DodgeChargerSpecial Edition6.6V8GASGap .035
1978DodgeD100Custom6.6V8GASGap .035
1978DodgeD100Warlock7.2V8GASGap .035
1978DodgeD100Custom7.2V8GASGap .035
1978DodgeD100Warlock6.6V8GASGap .035
1978DodgeD150Base7.2V8GASGap .035
1978DodgeD150Base6.6V8GASGap .035
1978DodgeD200Base7.2V8GASGap .035
1978DodgeD200Base6.6V8GASGap .035
1978DodgeD300Base6.6V8GASGap .035
1978DodgeD300Base7.2V8GASGap .035
1978DodgeMagnumXE6.6V8GASGap .035
1978DodgeMonacoBrougham7.2V8GASGap .035
1978DodgeMonacoBase7.2V8GASGap .035
1978DodgeMonacoBrougham6.6V8GASGap .035
1978DodgeMonacoBase6.6V8GASGap .035
1978DodgeMonacoCrestwood6.6V8GASGap .035
1978DodgeRamchargerBase7.2V8GASGap .035
1978DodgeRamchargerSE6.6V8GASGap .035
1978DodgeRamchargerSE7.2V8GASGap .035
1978DodgeRamchargerBase6.6V8GASGap .035
1978DodgeW150Base6.6V8GASGap .035
1978DodgeW150Base7.2V8GASGap .035
1978DodgeW200Base6.6V8GASGap .035
1978DodgeW200Base7.2V8GASGap .035
1978DodgeW300Base6.6V8GASGap .035
1978DodgeW300Base7.2V8GASGap .035
1978PlymouthFurySport6.6V8GASGap .035
1978PlymouthFuryBase7.2V8GASGap .035
1978PlymouthFurySalon6.6V8GASGap .035
1978PlymouthFurySalon7.2V8GASGap .035
1978PlymouthFuryBase6.6V8GASGap .035
1978PlymouthPB200Voyager6.6V8GASGap .035
1978PlymouthPB200Voyager7.2V8GASGap .035
1978PlymouthPB300Voyager6.6V8GASGap .035
1978PlymouthPB300Voyager7.2V8GASGap .035
1978PlymouthTraildusterBase7.2V8GASGap .035
1978PlymouthTraildusterBase6.6V8GASGap .035
1977ChryslerCordobaBase6.6V8GASGap .035
1977ChryslerNew YorkerBrougham6.6V8GASGap .035
1977ChryslerNew YorkerBrougham7.2V8GASGap .035
1977ChryslerNewportBase6.6V8GASGap .035
1977ChryslerNewportBase7.2V8GASGap .035
1977ChryslerTown & CountryBase7.2V8GASGap .035
1977ChryslerTown & CountryBase6.6V8GASGap .035
1977DodgeB200Base6.6V8GASGap .035
1977DodgeB200Base7.2V8GASGap .035
1977DodgeB300Base6.6V8GASGap .035
1977DodgeB300Base7.2V8GASGap .035
1977DodgeCB300Base6.6V8GASGap .035
1977DodgeCB300Base7.2V8GASGap .035
1977DodgeChargerSpecial Edition6.6V8GASGap .035
1977DodgeD100Custom7.2V8GASGap .035
1977DodgeD100Custom6.6V8GASGap .035
1977DodgeD100Warlock7.2V8GASGap .035
1977DodgeD100Warlock6.6V8GASGap .035
1977DodgeD150Base6.6V8GASGap .035
1977DodgeD200Base7.2V8GASGap .035
1977DodgeD200Base6.6V8GASGap .035
1977DodgeD300Base7.2V8GASGap .035
1977DodgeD300Base6.6V8GASGap .035
1977DodgeMonacoBrougham6.6V8GASGap .035
1977DodgeMonacoBase7.2V8GASGap .035
1977DodgeMonacoCrestwood6.6V8GASGap .035
1977DodgeMonacoBrougham7.2V8GASGap .035
1977DodgeMonacoBase6.6V8GASGap .035
1977DodgeRamchargerBase6.6V8GASGap .035
1977DodgeRamchargerSE7.2V8GASGap .035
1977DodgeRamchargerBase7.2V8GASGap .035
1977DodgeRamchargerSE6.6V8GASGap .035
1977DodgeRoyal MonacoBrougham7.2V8GASGap .035
1977DodgeRoyal MonacoBase6.6V8GASGap .035
1977DodgeRoyal MonacoBase7.2V8GASGap .035
1977DodgeRoyal MonacoBrougham6.6V8GASGap .035
1977DodgeW100Custom6.6V8GASGap .035
1977DodgeW100Custom7.2V8GASGap .035
1977DodgeW150Base6.6V8GASGap .035
1977DodgeW200Base6.6V8GASGap .035
1977DodgeW200Base7.2V8GASGap .035
1977DodgeW300Base7.2V8GASGap .035
1977DodgeW300Base6.6V8GASGap .035
1977PlymouthFurySport6.6V8GASGap .035
1977PlymouthFuryBase6.6V8GASGap .035
1977PlymouthFurySalon7.2V8GASGap .035
1977PlymouthFurySalon6.6V8GASGap .035
1977PlymouthFuryBase7.2V8GASGap .035
1977PlymouthGran FuryBase7.2V8GASGap .035
1977PlymouthGran FurySport Suburban6.6V8GASGap .035
1977PlymouthGran FurySuburban6.6V8GASGap .035
1977PlymouthGran FuryBase6.6V8GASGap .035
1977PlymouthGran FurySport6.6V8GASGap .035
1977PlymouthGran FuryBrougham6.6V8GASGap .035
1977PlymouthGran FuryBrougham7.2V8GASGap .035
1977PlymouthGran FurySport7.2V8GASGap .035
1977PlymouthPB200Voyager7.2V8GASGap .035
1977PlymouthPB200Voyager6.6V8GASGap .035
1977PlymouthPB300Voyager6.6V8GASGap .035
1977PlymouthPB300Voyager7.2V8GASGap .035
1977PlymouthTraildusterBase7.2V8GASGap .035
1977PlymouthTraildusterBase6.6V8GASGap .035
1976ChryslerCordobaBase6.6V8GASGap .035 | Engine VIN: P;
1976DodgeB200Base7.2V8GASGap .035
1976DodgeB200Base6.6V8GASGap .035
1976DodgeB300Base7.2V8GASGap .035
1976DodgeB300Base6.6V8GASGap .035
1976DodgeCB300Base6.6V8GASGap .035
1976DodgeChargerSport6.6V8GASGap .035
1976DodgeChargerSpecial Edition6.6V8GASGap .035
1976DodgeChargerBase6.6V8GASGap .035
1976DodgeCoronetBase7.2V8GASGap .035
1976DodgeCoronetBase6.6V8GASGap .035
1976DodgeCoronetBrougham6.6V8GASGap .035
1976DodgeCoronetCrestwood6.6V8GASGap .035
1976DodgeD100Warlock6.6V8GASGap .035
1976DodgeD100Custom6.6V8GASGap .035
1976DodgeD100Custom7.2V8GASGap .035
1976DodgeD100Warlock7.2V8GASGap .035
1976DodgeD200Custom6.6V8GASGap .035
1976DodgeD200Custom7.2V8GASGap .035
1976DodgeD300Custom7.2V8GASGap .035
1976DodgeD300Custom6.6V8GASGap .035
1976DodgeMonacoBase6.6V8GASGap .035
1976DodgeMonacoRoyal6.6V8GASGap .035
1976DodgeMonacoBase7.2V8GASGap .035
1976DodgeMonacoRoyal7.2V8GASGap .035
1976DodgeMonacoRoyal Brougham7.2V8GASGap .035
1976DodgeMonacoRoyal Brougham6.6V8GASGap .035
1976DodgeRamchargerSE7.2V8GASGap .035
1976DodgeRamchargerBase7.2V8GASGap .035
1976DodgeRoyal MonacoBase6.6V8GASGap .035
1976DodgeRoyal MonacoBase7.2V8GASGap .035
1976DodgeRoyal MonacoBrougham6.6V8GASGap .035
1976DodgeRoyal MonacoBrougham7.2V8GASGap .035
1976DodgeW100Custom6.6V8GASGap .035
1976DodgeW100Custom7.2V8GASGap .035
1976DodgeW200Base6.6V8GASGap .035
1976DodgeW200Base7.2V8GASGap .035
1976DodgeW300Custom6.6V8GASGap .035
1976DodgeW300Custom7.2V8GASGap .035
1976PlymouthFuryBase6.6V8GASGap .035
1976PlymouthFurySport6.6V8GASGap .035
1976PlymouthFurySalon6.6V8GASGap .035
1976PlymouthGran FurySport7.2V8GASGap .035 | Engine VIN: U;
1976PlymouthGran FuryCustom Suburban6.6V8GASGap .035
1976PlymouthGran FuryBrougham7.2V8GASGap .035 | Engine VIN: U;
1976PlymouthGran FuryBase7.2V8GASGap .035 | Engine VIN: U;
1976PlymouthGran FuryCustom7.2V8GASGap .035 | Engine VIN: U;
1976PlymouthGran FuryBrougham6.6V8GASGap .035
1976PlymouthGran FurySport6.6V8GASGap .035
1976PlymouthGran FuryBase6.6V8GASGap .035
1976PlymouthGran FurySuburban6.6V8GASGap .035
1976PlymouthGran FuryCustom6.6V8GASGap .035
1976PlymouthGran FurySport Suburban6.6V8GASGap .035
1976PlymouthPB200Voyager6.6V8GASGap .035
1976PlymouthPB200Voyager7.2V8GASGap .035
1976PlymouthPB300Voyager7.2V8GASGap .035
1976PlymouthPB300Voyager6.6V8GASGap .035
1976PlymouthTraildusterBase7.2V8GASGap .035
1975ChryslerCordobaBase6.6V8GASGap .035 | Engine VIN: P;
1975ChryslerImperialLeBaron7.2V8GASGap .040
1975ChryslerNewportCustom7.2V8GASGap .035 | Engine VIN: U;
1975ChryslerNewportBase7.2V8GASGap .035 | Engine VIN: U;
1975DodgeB200Base7.2V8GASGap .035
1975DodgeB300Base7.2V8GASGap .035
1975DodgeChargerSpecial Edition6.6V8GASGap .035
1975DodgeCoronetBase7.2V8GASGap .035
1975DodgeCoronetBrougham6.6V8GASGap .035
1975DodgeCoronetCrestwood6.6V8GASGap .035
1975DodgeCoronetBase6.6V8GASGap .035
1975DodgeCoronetCustom6.6V8GASGap .035
1975DodgeCoronetCustom6.6V8GASGap .035
1975DodgeD100Custom7.2V8GASGap .035
1975DodgeD200Custom6.6V8GASGap .035
1975DodgeD200Custom7.2V8GASGap .035
1975DodgeD300Custom7.2V8GASGap .035
1975DodgeMonacoRoyal Brougham6.6V8GASGap .035
1975DodgeMonacoRoyal Brougham6.6V8GASGap .035
1975DodgeMonacoRoyal7.2V8GASGap .035
1975DodgeMonacoRoyal6.6V8GASGap .035
1975DodgeMonacoBase6.6V8GASGap .035
1975DodgeMonacoRoyal Brougham7.2V8GASGap .035
1975DodgeMonacoBase6.6V8GASGap .035
1975DodgeMonacoRoyal6.6V8GASGap .035
1975DodgeMonacoBase7.2V8GASGap .035
1975DodgeRamchargerBase7.2V8GASGap .035
1975DodgeRamchargerSE7.2V8GASGap .035
1975DodgeRoyal MonacoBase7.2V8GASGap .035
1975DodgeRoyal MonacoBrougham7.2V8GASGap .035
1975DodgeRoyal MonacoBase6.6V8GASGap .035
1975DodgeRoyal MonacoBrougham6.6V8GASGap .035
1975DodgeW100Custom7.2V8GASGap .035
1975DodgeW100Custom6.6V8GASGap .035
1975DodgeW200Base7.2V8GASGap .035
1975DodgeW300Custom7.2V8GASGap .035
1975PlymouthFuryBase7.2V8GASGap .035
1975PlymouthFurySport6.6V8GASGap .035
1975PlymouthFuryCustom6.6V8GASGap .035
1975PlymouthFurySport6.6V8GASGap .035
1975PlymouthFuryBase6.6V8GASGap .035
1975PlymouthFuryBase6.6V8GASGap .035
1975PlymouthGran FuryBase7.2V8GASGap .035
1975PlymouthGran FurySport6.6V8GASGap .035
1975PlymouthGran FurySport7.2V8GASGap .035
1975PlymouthGran FurySuburban6.6V8GASGap .035
1975PlymouthGran FuryBrougham6.6V8GASGap .035
1975PlymouthGran FuryBase6.6V8GASGap .035
1975PlymouthGran FuryCustom6.6V8GASGap .035
1975PlymouthGran FuryCustom6.6V8GASGap .035
1975PlymouthGran FuryCustom7.2V8GASGap .035
1975PlymouthGran FuryBrougham7.2V8GASGap .035
1975PlymouthGran FurySport Suburban6.6V8GASGap .035
1975PlymouthGran FuryCustom Suburban6.6V8GASGap .035
1975PlymouthTraildusterBase7.2V8GASGap .035
1974ChryslerImperialLeBaron7.2V8GASGap .035
1974ChryslerNew YorkerBrougham7.2V8GASGap .035
1974ChryslerNew YorkerBase7.2V8GASGap .035
1974ChryslerNewportBase6.6V8GASGap .035
1974ChryslerNewportCustom6.6V8GASGap .035
1974ChryslerNewportCustom7.2V8GASGap .035
1974ChryslerNewportBase7.2V8GASGap .035
1974ChryslerTown & CountryBase7.2V8GASGap .035
1974ChryslerTown & CountryBase6.6V8GASGap .035
1974DodgeB100 VanSportsman7.2V8GASGap .035
1974DodgeB100 VanBase7.2V8GASGap .035
1974DodgeB200 VanSportsman6.6V8GASGap .035
1974DodgeB200 VanMaxi Wagon6.6V8GASGap .035
1974DodgeB200 VanSportsman7.2V8GASGap .035
1974DodgeB200 VanMaxi6.6V8GASGap .035
1974DodgeB200 VanMaxi Wagon7.2V8GASGap .035
1974DodgeB200 VanBase6.6V8GASGap .035
1974DodgeB200 VanMaxi7.2V8GASGap .035
1974DodgeB300 VanMaxi6.6V8GASGap .035
1974DodgeB300 VanSportsman7.2V8GASGap .035
1974DodgeB300 VanMaxi Wagon7.2V8GASGap .035
1974DodgeB300 VanBase6.6V8GASGap .035
1974DodgeB300 VanMaxi Wagon6.6V8GASGap .035
1974DodgeB300 VanSportsman6.6V8GASGap .035
1974DodgeB300 VanBase7.2V8GASGap .035
Product info

The ACDelco spark plug is designed to deliver reliable and consistent ignition that allows your engine to reach its peak performance in all conditions of use. With ACDelco, you’re getting improved spark plug lifespan, better combustion, optimized fuel economy, as well as fewer emissions.

The R43S spark plug is specifically built to meet the needs of Avanti, Bristol, Buick, Cadillac, Checker, Chevrolet, Chrysler, Cunningham, Darrin, DeSoto, Dodge, Dual-Ghia, Excalibur, Facel Vega, Fargo, GMC, Gordon-Keeble, International, Iso, Jeep, Jensen, Monteverdi, Oldsmobile, Plymouth, Pontiac, Studebaker, Stutz, Toyota, Vauxhall vehicles, ensuring optimal fit and performance characteristics that perfectly match your engine’s requirements.

Using quality replacement spark plugs is a good way to keep your engine running smoothly. ACDelco offers that, and much more! Over the years, they’ve become one of the leading authorities in the world of ignition systems with a strong track record of innovation. As a result, many carmakers from all around the world have chosen this brand as OEM for their engines. Give your car the ACDelco makeover it needs, and enjoy years of care-free driving!

About ACDelco

When it comes to top-notch auto parts, one brand that stands tall is ACDelco. Popular for its commitment to quality and innovation, ACDelco has been a trusted name in the automotive industry. At Newparts.com, we're proud to offer a wide selection of ACDelco auto parts, including ACDelco spark plugs, ACDelco alternators, and ACDelco air filters, and other ACDelco parts, all at discounted prices.

ACDelco spark plugs are engineered to deliver exceptional performance and reliability, ensuring optimal engine operation and fuel efficiency. Whether you're cruising down the highway or navigating city streets, you can trust ACDelco spark plugs to keep your engine firing on all cylinders.

When it comes to power generation, ACDelco alternators are second to none. Designed to withstand the challenges of daily driving, ACDelco alternators deliver consistent power output to keep your vehicle's electrical systems running smoothly. With ACDelco alternators from Newparts.com, you can count on reliable performance mile after mile.

In addition to spark plugs and alternators, we also offer a range of ACDelco air filters to help keep your engine breathing clean, fresh air. ACDelco air filters are designed to trap dirt, dust, and other contaminants, preventing them from entering your engine and causing damage. With a high-quality ACDelco air filter from Newparts.com, you can enjoy improved engine performance and extended engine life.

At Newparts.com, we understand that getting the right parts quickly is essential. That's why we offer fast shipping on all ACDelco auto parts, so you can get back on the road with confidence. Plus, with our discounted prices, you can save big on the parts you need to keep your vehicle running smoothly. In case you want to purchase parts by phone, feel free to call us at 855-505-2886 and our customer service team will help you out. 

Whether you're in need of spark plugs, alternators, air filters, or any other ACDelco auto parts, Newparts.com has you covered. Shop our selection today and experience the quality and reliability of ACDelco for yourself.

Specifications
2-20k ohms
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialNickel
Ground ConfigurationSingle
Ground Electrode Core MaterialNickel Alloy
Ground Electrode Quantity1
Ground Electrode Tip DesignSingle Prong Electrode
Hex Size13/16in
Insulator Height2.479
Manufacturer Heat Range3
Pre-Gap Size0.035
Reach0.372
Resistance2-20k ohms
Resistor TypeYes
Seat TypeGasket
Thread Diameter0.551
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.

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