1942 Hudson Super Series 21 Spark Plugs

Essential 1942 Hudson Super Series 21 Spark Plugs

Champion – Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement RJ12C (Part No.592)

Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement RJ12C

from

$2.49
Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

Product Features:
  • Copper Plus – Dependable Performance and Durability
  • OE type replacement plug
  • Resists fouling
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Superior corrosion resistance
  • Built to ISO and SAE standards for proven performance
See More

ACDelco – Conventional Nickel Tip Copper Core Spark Plug: Maximizes Durability & Heat Transfer (Part No.R45)

Conventional Nickel Tip Copper Core Spark Plug: Maximizes Durability & Heat Transfer

from

$4.99
ACDelco Gold (Professional) Conventional Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These Conventional Spark Plugs are designed for reliability and efficient performance, and are the high quality replacements for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

Product Features:
  • Black Onyx coating helps reduce corrosion
  • Copper core provides great heat transfer and helps maximize plug durability
  • Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires
  • Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
  • Available for use in Marine applications
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
  • Premium aftermarket replacement part
  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
  • Nickel Center Electrode Tip: Designed with a nickel center electrode tip, these spark plugs ensure efficient performance and longevity.
  • Outstanding Suppression Characteristics: These spark plugs offer excellent suppression characteristics, contributing to their reliable performance in various driving conditions.
  • Resistor Type with Gasket Seat: Equipped with a resistor type and a gasket seat, these spark plugs are designed for optimal performance and compatibility with a wide range of vehicles.
See More

Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.306)

Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration

from

$1.99
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration, Autolite Copper Core spark plugs are designed to meet or exceed OES design requirements. Consider upgrading to Autolite Platinum, Double Platinum or Iridium XP plugs for improved engine performance. Copper core plugs are the industry standard.

Product Features:
  • Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
  • Multi-rib insulator reduces danger of “flash-over”
  • One-piece terminal post adds strength
  • Resistor reduces radio frequency interference (RFI) and electrode erosion
  • Quick Starts: Autolite Copper Core spark plugs are engineered to ensure quick and reliable engine starts.
  • Good Fuel Economy: Designed to optimize fuel efficiency, these spark plugs help you get the most out of every gallon.
  • Smooth Acceleration: Experience smoother acceleration with Autolite Copper Core spark plugs, enhancing overall driving performance.
  • OES Design Compliance: These spark plugs meet or exceed Original Equipment Service (OES) design requirements, ensuring high-quality performance.
  • Gasket Seat Type: Featuring a gasket seat type, these spark plugs provide a secure and effective seal for optimal engine function.
See More

Champion – Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement J11C (Part No.511)

Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement J11C

from

$2.49
Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

Product Features:
  • Resists fouling
  • Superior corrosion resistance
  • Dependable and proven performance
  • Increased conductivity and heat control for good overall wear
See More

Autolite – Small Engine Display Pack (Part No.295DP)

Small Engine Display Pack

from

$1.99
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Double Platinum spark plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug. Consider upgrading to Autolite Iridium XP spark plugs for increased performance.

Product Features:
  • Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
  • Multi-rib insulator reduces danger of “flash-over”
  • One-piece terminal post adds strength
  • Resistor reduces radio frequency interference (RFI) and electrode erosion
See More

1942 Hudson Super Series 21 Spark Plugs

Maybe you’re in the middle of a full rebuild of that 1942 Hudson Super Series 21. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 5 different Spark Plugs in our inventory ranging from $1.99 to $4.99. That means you can find the exact parts or products you need to keep that 1942 Hudson Super Series 21 running smoothly.

Spark Plugs are only as good as their brand. We stock 3 different brands to make sure you have plenty of trusted parts to choose from for your 1942 Hudson Super Series 21. ACDelco, Autolite, and Champion are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Spark Plugs for your 1942 Hudson Super Series 21, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Spark Plugs to keep your 1942 Hudson Super Series 21 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Spark Plugs Brands To Make Your 1942 Hudson Super Series 21 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1942 Hudson Super Series 21 demands trusted brand parts and products to keep it running. Many trusted brands of Spark Plugs make up Advance Auto Parts’ inventory, and all are ready to help make your Super Series 21 the best it can be. Be sure to browse some of our top Spark Plugs brands and parts.