Alvis TC21 Spark Plugs

Your One-Stop Shop For Trusted Alvis TC21 Spark Plugs

If you’re in search of Alvis TC21 Spark Plugs aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 3 Spark Plugs from top brands with prices ranging from $2.49 to $3.99.

Beyond great prices, we stock trusted brands manufacturing all types of Spark Plugs for your Alvis TC21. Of the 3 OEM and aftermarket parts brands we carry, some of the most popular are Autolite, ACDelco, and Champion.

And don’t forget to read customer reviews across all Spark Plugs categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Spark Plugs have to cost top dollar, and we prove it. Browse our top Alvis TC21 Spark Plugs below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Alvis TC21 Spark Plugs

Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.425)

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

from

$3.49
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
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Champion – Copper Plus Small Engine- Boxed – L90C (Part No.896)

Copper Plus Small Engine- Boxed - L90C

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
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ACDelco – Conventional Nickel Tip Copper Core Spark Plug: Enhances Heat Transfer & Durability (Part No.R44F)

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

from

$3.99
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. 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
  • 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: Provides efficient performance and reliability, making it a high-quality alternative to OE parts.
  • Outstanding Suppression Characteristics: Delivers reliable performance, reducing the risk of misfires and ensuring smooth engine operation.
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Spark Plugs Brands You Can Trust For Your Alvis TC21

3 trusted brands of Spark Plugs line our shelves, ready to help keep your Alvis TC21 running smooth. Below are some of the most popular brands and their top Spark Plugs offerings:

Most Purchased Alvis TC21 Spark Plugs from Autolite

When you buy the most frequently purchased Autolite brand Spark Plugs, you can be confident it will be the right part for your Alvis TC21. Here are the Autolite Spark Plugs Advanced Auto customers buy the most:
Copper Plus Small Engine- Boxed - L90C
from $2.49
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Copper Plus Small Engine- Boxed – L90C
Spark Plugs