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!
Login My Account Icon | Sign Up
0

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!

0

Please, add your first item to the wishlist

Select vehicle to confirm fitment

Spark Plug

PART#: R43
ACDelco
Add to My Projects
Spark Plug

$2.08

Select vehicle to confirm fitment

In stock

Need help? Talk to us, or chat with an expert!
Add to My Projects
Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
1980InternationalScout IITraveler5.0V8GASGap .035
1980InternationalScout IITraveler5.6V8GASGap .035
1980InternationalScout IIBase5.6V8GASGap .035
1980InternationalScout IIBase5.0V8GASGap .035
1980InternationalScout IITerra5.6V8GASGap .035
1980InternationalScout IITerra5.0V8GASGap .035
1979InternationalScout IIBase5.6V8GASGap .035
1979InternationalScout IITraveler5.0V8GASGap .035
1979InternationalScout IIBase5.0V8GASGap .035
1979InternationalScout IITraveler5.6V8GASGap .035
1979InternationalScout IITerra5.0V8GASGap .035
1979InternationalScout IISS25.0V8GASGap .035
1979InternationalScout IISS25.6V8GASGap .035
1979InternationalScout IITerra5.6V8GASGap .035
1978InternationalScout IITraveler5.0V8GASGap .035
1978InternationalScout IITraveler5.6V8GASGap .035
1978InternationalScout IISS25.6V8GASGap .035
1978InternationalScout IIBase5.0V8GASGap .035
1978InternationalScout IITerra5.0V8GASGap .035
1978InternationalScout IIBase5.6V8GASGap .035
1978InternationalScout IITerra5.6V8GASGap .035
1978InternationalScout IISS25.0V8GASGap .035
1977InternationalScout IIBase5.6V8GASGap .035
1977InternationalScout IITraveler5.0V8GASGap .035
1977InternationalScout IIBase5.0V8GASGap .035
1977InternationalScout IITerra5.0V8GASGap .035
1977InternationalScout IITerra5.6V8GASGap .035
1977InternationalScout IITraveler5.6V8GASGap .035
1976InternationalScout IITraveler5.6V8GASGap .035
1976InternationalScout IITraveler5.0V8GASGap .035
1976InternationalScout IITerra5.0V8GASGap .035
1976InternationalScout IIBase5.0V8GASGap .035
1976InternationalScout IITerra5.6V8GASGap .035
1976InternationalScout IIBase5.6V8GASGap .035
1975International150Base5.6V8GASGap .030
1975International150Base6.4V8GASGap .030
1975International150Base5.0V8GASGap .030
1975International200Base5.6V8GASGap .030
1975International200Base5.0V8GASGap .030
1975International200Base6.4V8GASGap .030
1975InternationalScout IIXLC5.0V8GASGap .030
1975InternationalScout IIXLC6.4V8GASGap .030
1975InternationalScout IIXLC5.6V8GASGap .035
1975InternationalMS12106.4V8GASGap .030
1975InternationalMS12105.6V8GASGap .030
1975InternationalTravelall2006.4V8GASGap .030
1975InternationalTravelall1505.0V8GASGap .030
1975InternationalTravelall2005.0V8GASGap .030
1975InternationalTravelall1505.6V8GASGap .030
1975InternationalTravelall1506.4V8GASGap .030
1975InternationalTravelall2005.6V8GASGap .030
1974International100Base5.6V8GASGap .030
1974International100Travelall5.0V8GASGap .030
1974International100Travelall5.6V8LPGGap .020
1974International100Base5.6V8LPGGap .020
1974International100Base6.4V8GASGap .030
1974International100Travelall6.4V8GASGap .030
1974International100Base5.0V8LPGGap .020
1974International100Travelall5.6V8GASGap .030
1974International100Base6.4V8GASGap .030
1974International100Base5.0V8GASGap .030
1974International100Travelall5.0V8GASGap .030
1974International100Travelall6.4V8GASGap .030
1974International100Base5.0V8GASGap .030
1974International100Travelall5.0V8GASGap .030
1974International200Travelall5.6V8LPGGap .020
1974International200Travelall6.4V8GASGap .030
1974International200Base6.4V8GASGap .030
1974International200Base5.0V8GASGap .030
1974International200Travelall5.0V8GASGap .030
1974International200Base5.6V8LPGGap .020
1974International200Travelall6.4V8GASGap .030
1974International200Base5.6V8GASGap .030
1974International200Travelall5.6V8GASGap .030
1974International200Travelall5.0V8GASGap .030
1974International200Base6.4V8GASGap .030
1974International200Base5.0V8LPGGap .020
1974International200Base5.0V8GASGap .030
1974InternationalMHC1310Base5.0V8GASGap .030
1974InternationalMHC1310Base5.0V8LPGGap .020
1974InternationalMHC1310Base5.0V8GASGap .030
1974InternationalMS1210Base5.6V8GASGap .030
1974InternationalMS1210Base5.0V8GASGap .030
1974InternationalMS1210Base6.4V8GASGap .030
1974InternationalMS1210Base5.6V8LPGGap .020
1974InternationalMS1210Base5.0V8GASGap .030
1974InternationalMS1210Base5.0V8LPGGap .020
1974InternationalScout IIBase5.0V8GASGap .030
1974InternationalScout IIBase5.0V8GASGap .030
1974InternationalScout IIBase5.0V8LPGGap .020
1974InternationalScout IIBase5.6V8LPGGap .020
1974InternationalScout IIBase5.6V8GASGap .030
1973International1010Base5.0V8GASGap .030
1973International1010Base5.6V8GASGap .030
1973International1010Base5.0V8GASGap .030
1973International1010Base5.0V8LPGGap .020
1973International1010Base5.6V8LPGGap .020
1973International1010Travelall5.0V8GASGap .030
1973International1010Base6.4V8GASGap .030
1973International1010Base6.4V8GASGap .030
1973International1010Travelall5.0V8GASGap .030
1973International1010Travelall6.4V8GASGap .030
1973International1010Travelall5.7V8GASGap .030
1973International1010Travelall6.4V8GASGap .030
1973International1110Base5.6V8GASGap .030
1973International1110Base5.0V8LPGGap .020
1973International1110Base5.6V8LPGGap .020
1973International1110Travelall5.0V8GASGap .030
1973International1110Base6.4V8GASGap .030
1973International1110Base5.0V8GASGap .030
1973International1110Base6.4V8GASGap .030
1973International1110Travelall5.0V8GASGap .030
1973International1110Travelall6.4V8GASGap .030
1973International1110Base5.0V8GASGap .030
1973International1110Travelall5.7V8GASGap .030
1973International1110Travelall6.4V8GASGap .030
1973International1210Travelall5.0V8GASGap .030
1973International1210Base5.6V8GASGap .030
1973International1210Base5.0V8GASGap .030
1973International1210Base6.4V8GASGap .030
1973International1210Base6.4V8GASGap .030
1973International1210Base5.6V8LPGGap .020
1973International1210Base5.0V8GASGap .030
1973International1210Travelall6.4V8GASGap .030
1973International1210Travelall6.4V8GASGap .030
1973International1210Base5.0V8LPGGap .020
1973International1210Travelall5.7V8GASGap .030
1973International1210Travelall5.0V8GASGap .030
1973International1310Base5.6V8GASGap .030
1973International1310Base5.6V8LPGGap .020
1973International1310Base5.0V8GASGap .030
1973International1310Base5.0V8LPGGap .020
1973International1310Base5.0V8GASGap .030
1973International1310Base6.4V8GASGap .030
1973International1310Base6.4V8GASGap .030
1973InternationalMS1210Base6.4V8GASGap .030
1973InternationalMS1210Base5.6V8GASGap .030
1973InternationalMS1210Base5.6V8LPGGap .020
1973InternationalMS1210Base5.0V8LPGGap .020
1973InternationalMS1210Base5.0V8GASGap .030
1973InternationalMS1210Base5.0V8GASGap .030
1973InternationalScout IIBase5.0V8GASGap .030
1973InternationalScout IIBase5.6V8GASGap .030
1973InternationalScout IIBase5.0V8LPGGap .020
1973InternationalScout IIBase5.6V8LPGGap .020
1973InternationalScout IIBase5.0V8GASGap .030
1972International1010Base5.6V8GASGap .030
1972International1010Travelall5.0V8GASGap .030
1972International1010Base5.6V8LPGGap .020
1972International1010Base5.0V8GASGap .030
1972International1010Base5.0V8GASGap .030
1972International1010Base5.0V8LPGGap .020
1972International1010Base6.4V8GASGap .030
1972International1010Base6.4V8GASGap .030
1972International1010Travelall6.4V8GASGap .030
1972International1010Travelall5.0V8GASGap .030
1972International1010Travelall6.4V8GASGap .030
1972International1110Base5.0V8LPGGap .020
1972International1110Base5.0V8GASGap .030
1972International1110Base5.6V8GASGap .030
1972International1110Base5.6V8LPGGap .020
1972International1110Base6.4V8GASGap .030
1972International1110Base5.0V8GASGap .030
1972International1110Base6.4V8GASGap .030
1972International1210Base5.6V8GASGap .030
1972International1210Base5.0V8GASGap .030
1972International1210Base6.4V8GASGap .030
1972International1210Base5.0V8LPGGap .020
1972International1210Base5.0V8GASGap .030
1972International1210Base5.6V8LPGGap .020
1972International1210Base6.4V8GASGap .030
1972International1310Base5.0V8GASGap .030
1972International1310Base5.0V8GASGap .030
1972International1310Base5.0V8LPGGap .020
1972International1310Base6.4V8GASGap .030
1972International1310Base5.6V8LPGGap .020
1972International1310Base5.6V8GASGap .030
1972International1310Base6.4V8GASGap .030
1972InternationalM1100Base5.0V8GASGap .030
1972InternationalM1100Base5.0V8LPGGap .020
1972InternationalM1100Base5.0V8GASGap .030
1972InternationalM1200Base5.0V8LPGGap .020
1972InternationalM1200Base5.0V8GASGap .030
1972InternationalM1200Base5.0V8GASGap .030
1972InternationalM800 Post OfficeBase5.0V8GASGap .030
1972InternationalM800 Post OfficeBase5.0V8GASGap .030
1972InternationalM800 Post OfficeBase5.0V8LPGGap .020
1972InternationalMS1210Base6.4V8GASGap .030
1972InternationalMS1210Base5.0V8LPGGap .020
1972InternationalMS1210Base5.0V8GASGap .030
1972InternationalMS1210Base5.6V8LPGGap .020
1972InternationalMS1210Base5.0V8GASGap .030
1972InternationalMS1210Base5.6V8GASGap .030
1972InternationalScout IIBase5.6V8LPGGap .020
1972InternationalScout IIBase5.0V8GASGap .030
1972InternationalScout IIBase5.0V8LPGGap .020
1972InternationalScout IIBase5.0V8GASGap .030
1972InternationalScout IIBase5.6V8GASGap .030
1970ChevroletBlazerBase5.7V8GASGap .035
1970ChevroletC10 PickupBase5.7V8LPGGap .025
1970ChevroletC10 PickupBase5.7V8GASGap .035
1970ChevroletC10 SuburbanBase5.7V8GASGap .035
1970ChevroletC10 SuburbanBase5.7V8LPGGap .025
1970ChevroletC20 PickupBase5.7V8GASGap .035
1970ChevroletC20 PickupBase5.7V8LPGGap .025
1970ChevroletC20 SuburbanBase5.7V8GASGap .035
1970ChevroletC20 SuburbanBase5.7V8LPGGap .025
1970ChevroletC30 PickupBase5.7V8LPGGap .025
1970ChevroletC30 PickupBase5.7V8GASGap .035
1970ChevroletEl CaminoBase5.7V8GASGap .035
1970ChevroletEl CaminoCustom5.7V8GASGap .035
1970ChevroletG10 VanBase5.7V8GASGap .035
1970ChevroletG10 VanSportvan5.7V8GASGap .035
1970ChevroletG20 VanBase5.7V8GASGap .035
1970ChevroletG20 VanBase5.7V8LPGGap .025
1970ChevroletG20 VanSportvan5.7V8GASGap .035
1970ChevroletG20 VanSportvan5.7V8LPGGap .025
1970ChevroletK10 PickupBase5.7V8GASGap .035
1970ChevroletK10 PickupBase5.7V8LPGGap .025
1970ChevroletK10 SuburbanBase5.7V8GASGap .035
1970ChevroletK10 SuburbanBase5.7V8LPGGap .025
1970ChevroletK20 PickupBase5.7V8GASGap .035
1970ChevroletK20 PickupBase5.7V8LPGGap .025
1970ChevroletK20 SuburbanBase5.7V8LPGGap .025
1970ChevroletK20 SuburbanBase5.7V8GASGap .035
1970ChevroletK30 PickupBase5.7V8GASGap .035
1970ChevroletK30 PickupBase5.7V8LPGGap .025
1970ChevroletP20 VanBase5.7V8GASGap .035
1970ChevroletP30 VanBase5.7V8GASGap .035
1970ChevroletG30 VanBase5.7V8GASGap .035
1970ChevroletG30 VanSportvan5.7V8GASGap .035
1970GMCC15/C1500 PickupBase5.7V8GASGap .035
1970GMCC15/C1500 PickupBase5.7V8LPGGap .025
1970GMCC15/C1500 SuburbanBase5.7V8LPGGap .025
1970GMCC15/C1500 SuburbanBase5.7V8GASGap .035
1970GMCC25/C2500 PickupBase5.7V8GASGap .035
1970GMCC25/C2500 PickupBase5.7V8LPGGap .025
1970GMCC25/C2500 SuburbanBase5.7V8LPGGap .025
1970GMCC25/C2500 SuburbanBase5.7V8GASGap .035
1970GMCC35/C3500 PickupBase5.7V8LPGGap .025
1970GMCC35/C3500 PickupBase5.7V8GASGap .035
1970GMCG25/G2500 VanVandura5.7V8GASGap .035
1970GMCJimmyBase5.7V8GASGap .035
1970GMCK15/K1500 PickupBase5.7V8LPGGap .025
1970GMCK15/K1500 PickupBase5.7V8GASGap .035
1970GMCK15/K1500 SuburbanBase5.7V8GASGap .035
1970GMCK15/K1500 SuburbanBase5.7V8LPGGap .025
1970GMCK25/K2500 PickupBase5.7V8GASGap .035
1970GMCK25/K2500 PickupBase5.7V8LPGGap .025
1970GMCK25/K2500 SuburbanBase5.7V8GASGap .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 R43 spark plug is specifically built to meet the needs of Chevrolet, Dodge, GMC, International, Plymouth, Pontiac, Zundapp 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
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 Height2.324
Manufacturer Heat Range3
Pre-Gap Size0.034
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.

✕

Free shipping Icon

FREE SHIPPING

Available on all kits, sets & Bison performance products