1974 Renault R12 Spark Plugs

Your 1974 Renault R12 might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Spark Plugs you desperately need.

We currently carry 7 Spark Plugs to choose from for your 1974 Renault R12, and our inventory prices range from as little as $2.99 up to $10.99.

On top of low prices, Advance Auto Parts offers 5 different trusted brands of Spark Plugs for the 1974 Renault R12. We only sell parts from trusted brands like Champion so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 10 reviews on our Spark Plugs for the 1974 Renault R12 from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Spark Plugs stock in-person!

Spark Plugs for Your 1974 Renault R12

ACDelco – Conventional Spark Plug (Part No.R44XL)

Conventional Spark Plug

from

$3.99
ACDelco Professional Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement 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.

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
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Champion – Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement RN5C (Part No.123)

Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement RN5C

from

$2.99
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
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Champion – Copper Plus Small Engine Spark Plug: Dependable Performance, OE Replacement, N5C (Part No.120)

Copper Plus Small Engine Spark Plug: Dependable Performance, OE Replacement, N5C

from

$2.99
Dependable Performance, OE Replacement, N5C. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. Built to ISO and SAE standards, it offers dependable performance and durability with its Copper Plus technology. The OE type replacement plug resists fouling and boasts superior corrosion resistance. The nickel copper alloy center electrode allows for accurate control of heat range, ensuring a longer life and reliable performance. The flat seat type design further enhances its dependability.

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
  • Enhanced Heat Control: The copper core electrode increases conductivity and heat control, ensuring good overall wear and a longer lifespan for the spark plug.
  • Flat Seat Type Design: The flat seat type design of the Champion Copper Plus Small Engine Spark Plug further enhances its dependability and performance in various engine conditions.
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NGK – OE Series Standard Nickel Spark Plug: Conventional Tip Design, BR6ES (Part No.4922)

OE Series Standard Nickel Spark Plug: Conventional Tip Design, BR6ES

from

$4.29
NGK Standard spark plugs (in the iconic NGK ‘yellow box’ packaging) are a proven OE cornerstone and technology customers have relied on for decades. Engineered specifically for OE applications, NGK Standard spark plugs provide OE quality nickel alloy reliable performance and design. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance, while triple gasket sealing prevents combustion gas leakage. Solid 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.

Product Features:
  • ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode provides consistent performance
  • RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
  • NGK’s OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • Triple Gasket Sealing: Prevents combustion gas leakage for enhanced engine efficiency.
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Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.405)

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

from

$3.49
With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite continues to set the standard in spark plug technology. Designed and engineered in the USA, these spark plugs feature a copper-glass seal that bonds the insulator, terminal post, and center electrode together, ensuring full required voltage at the spark gap with a 100% leak-proof, gas-tight seal. The multi-rib insulator reduces the risk of flash-over, while the one-piece terminal post adds strength and durability. Additionally, the built-in resistor minimizes radio frequency interference (RFI) and electrode erosion, making these spark plugs a reliable choice for enhancing your vehicle’s 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
  • Quick Starts: The Autolite Copper Spark Plug is engineered to deliver quick and reliable engine starts, ensuring your vehicle is ready to go when you are.
  • Good Fuel Economy: Designed to optimize fuel combustion, these spark plugs help improve your vehicle’s fuel efficiency, saving you money at the pump.
  • Smooth Acceleration: Experience smoother and more responsive acceleration with the advanced engineering of Autolite Copper Spark Plugs.
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DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IW20TT (Part No.4709)

Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IW20TT

from

$10.99
Durability of an OE style plug combined with Power & Torque of high performance.

Product Features:
  • 0.4mm Iridium Center Electrode: World’s Smallest Diameter that maximizes firing potential
  • 0.7mm Needle Tip Ground Electrode: Promotes higher spark energy and less heat quenching
  • DENSO Patented Optimized Iridium-Rhodium Alloy Formula: Highest concentration of Iridium vs. competitors for greater durability
  • DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
  • Durability of an OE style plug combined with Power & Torque of high performance.
  • Withstands temperatures greater than 4000¦ Fahrenheit
  • Iridium TT
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DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IW20 (Part No.5306)

Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IW20

from

$10.99
Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).

Product Features:
  • World’s smallest Iridium Center Electrode (0.4mm) for improved spark for maximum combustion
  • Patented 360-degree laser welding assembly process
  • U-groove and taper cut ground electrode to maximize flame propagation.
  • Withstands temperatures greater than 4000┬░ Fahrenheit
  • Burnished nickel plating for high temperature endurance and superior corrosion resistance
  • Wide range of part numbers for thousands of applications, including classic and collector cars
  • Iridium Power
  • Superior Performance: Patented technology allows the Iridium Power plug to outperform any other spark plug, delivering more horsepower and better fuel efficiency.
  • Low Voltage Requirement: Requires 5,000 volts less to fire compared to conventional spark plugs, making it highly efficient and reliable under extreme conditions.
  • Enhanced Engine Starts: Provides faster and easier starts, reducing the likelihood of misfires even under heavy loads.
  • Durable Iridium Material: Constructed with a durable iridium center electrode tip and a flat seat type, ensuring long-lasting performance and reliability.
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FAQs for 1974 Renault R12 Spark Plugs

What are the most popular Spark Plugs for the 1974 Renault R12?

With 5 brands you can trust, our most popular Spark Plugs for the 1974 Renault R12 parts are:
Conventional Spark Plug
from $3.99
(2)
Conventional Spark Plug
Spark Plugs

What are the best aftermarket Spark Plugs for the 1974 Renault R12?

See what past customers had to say about our highest-rated Spark Plugs for the 1974 Renault R12:
Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration
from $3.49
(2)
Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration
“I use these in my Ford farm tractors. They match the original equipment, are very good quality and great performance.”
OE Series Standard Nickel Spark Plug: Conventional Tip Design, BR6ES
from $4.29
(1)
OE Series Standard Nickel Spark Plug: Conventional Tip Design, BR6ES
“New plug got my old snowmobile up and running again.”