Cadillac Series 61 Spark Plugs

Your One-Stop Shop For Trusted Cadillac Series 61 Spark Plugs

If you’re in search of Cadillac Series 61 Spark Plugs aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 12 Spark Plugs from top brands with prices ranging from $2.29 to $99.99.

Beyond great prices, we stock trusted brands manufacturing all types of Spark Plugs for your Cadillac Series 61.

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 Cadillac Series 61 Spark Plugs below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Cadillac Series 61 Spark Plugs

ACDelco – RAPIDFIRE Platinum Spark Plug: Reduces Misfires & Enhances Durability (Part No.7)

RAPIDFIRE Platinum Spark Plug: Reduces Misfires & Enhances Durability

from

$6.99
ACDelco Gold (Professional) RAPIDFIRE Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These RAPIDFIRE Single Platinum Performance Spark Plugs are designed for everyday use and are a high quality replacement for many vehicles on the road today. These premium aftermarket spark plugs have high-quality suppressors that help prevent misfiring, an improved plug to boot seal, and a pure copper core for greater durability. 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:
  • Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for long electrode life, and helps protect against high combustion pressures
  • Pure copper core provides great heat transfer and helps maximize plug durability
  • Platinum on center electrode enables superior spark characteristics and can reduce voltage requirements of the ignition system
  • Ribless insulator helps optimize plug to boot seal
  • 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
  • High-Quality Suppressors: ACDelco Gold RAPIDFIRE Spark Plugs feature high-quality suppressors that help prevent misfiring, ensuring reliable performance for everyday use.
  • Improved Plug to Boot Seal: Designed with an improved plug to boot seal, these spark plugs provide a secure fit, enhancing overall engine performance and longevity.
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Autolite – Copper Non-Resistor Spark Plug: Quick Starts & Reliable Performance (Part No.3136)

Copper Non-Resistor Spark Plug: Quick Starts & Reliable Performance

from

$2.29
Autolite Copper spark plugs are designed to provide reliable performance and quick starts, ensuring your vehicle meets its performance demands. Featuring a copper core center electrode, these spark plugs excel in thermal control and resist fouling, enhancing overall efficiency. The high nickel alloy center and ground electrodes are engineered for extended life, while the high alumina multi-rib ceramic insulator ensures superior thermal conductivity and insulation for added strength. With a nickel-plated shell, these spark plugs resist corrosion, offering long-lasting durability. The flat seat type and short projection center electrode design further enhance compatibility and functionality. Optimized for good fuel economy, they help you save on fuel costs without compromising performance. Built with regular-grade materials, including nickel tip electrodes, these spark plugs are a dependable choice for maintaining your engine’s efficiency and reliability.

Product Features:
  • The copper core center electrode aids in thermal control and improves resistance to fouling.
  • Its specially engineered high nickel alloy center and ground electrode provides extended life.
  • The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
  • Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
  • Good Fuel Economy: Engineered to optimize fuel efficiency, helping you save on fuel costs.
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Champion – Copper Plus Spark Plug (RJ14YC): Dependable Performance & Durability (Part No.63)

Copper Plus Spark Plug (RJ14YC): Dependable Performance & Durability

from

$4.79
Copper Plus spark plug delivers dependable performance and durability, making it a reliable choice for maintaining your vehicle’s efficiency. Featuring a copper core center electrode, it ensures precise heat control and enhanced conductivity, promoting longer life and consistent wear. The nickel-tipped center and ground electrodes provide superior corrosion resistance, ensuring optimal performance even in demanding conditions. Designed to meet ISO and SAE Standards, this spark plug guarantees proven reliability and compatibility with standard replacement needs. Its flat seat type and built-in resistor further enhance its functionality, making it a practical solution for maintaining engine performance. Whether you’re seeking durability or consistent ignition, this spark plug offers excellent value for your vehicle’s maintenance.

Product Features:
  • Copper Plus – Dependable Performance.
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance
  • Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression
  • Built to ISO and SAE standards for proven performance
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Dorman – Help – Spark Plug Non-Foulers – 14mm Gasket Seat (Part No.42000)

Spark Plug Non-Foulers - 14mm Gasket Seat

from

$7.99
This spark plug non fouler is designed for easy installation on specified vehicles to protect spark plugs from fouling and damage. It is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this spark plug non fouler is designed for easy installation to protect spark plugs from fouling and damage on specified vehicles
  • Ideal solution – this non-fouler preserves spark plug life and is a reliable replacement for an original non-fouler that has failed due to corrosion
  • Durable construction – made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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ACDelco – Double Platinum Spark Plug: Long-Lasting Performance & Durability (Part No.41-833)

Double Platinum Spark Plug: Long-Lasting Performance & Durability

from

$12.99
ACDelco Gold (Professional) Double Platinum Spark Plug are a high quality alternative to Original Equipment (OE) parts. With a copper core and double platinum pads on the center electrode, these plugs are designed to deliver long-lasting performance. 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:
  • One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine interference, regulate spark plug energy, and protect against compression pressures for long life
  • Double platinum point pad on center and ground electrode offer excellent durability and consistent voltage demands to help reduce wear on ignition system
  • Pure copper core results in cooler electrode temperature for maximized durability and fouling resistance
  • 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 (UY6): Dependable Performance & Durability (Part No.842)

Copper Plus Small Engine Spark Plug (UY6): Dependable Performance & Durability

from

$6.99
The Copper Plus spark plug is engineered for dependable performance and durability, making it an ideal OE-type replacement for small engines. Featuring a copper core center electrode, it ensures precise heat control and increased conductivity, promoting longer life and consistent operation. Its flat seat design enhances reliability by providing a secure fit, while the nickel-tipped center and ground electrodes resist fouling and deliver superior corrosion resistance. Built to ISO and SAE Standards, this spark plug guarantees proven performance under demanding conditions. Whether you’re seeking enhanced heat management or reliable ignition, this standard replacement grade spark plug offers exceptional value and durability for your engine’s needs.

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
  • Increased Conductivity and Heat Control: The Champion Copper Plus Small Engine Spark Plug features a copper core electrode, enhancing conductivity and heat management for optimal performance and wear.
  • Enhanced Reliability with Flat Seat Design: The flat seat type design of the Champion Copper Plus Small Engine Spark Plug further enhances its reliability, providing a secure fit and consistent performance.
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ACDelco – Conventional Copper Core Spark Plug: Reduces Corrosion & Maximizes Durability (Part No.R45S)

Conventional Copper Core Spark Plug: Reduces Corrosion & Maximizes Durability

from

$6.29
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: Features a nickel center electrode tip for enhanced conductivity and performance.
  • Resistor Type: Equipped with a resistor to help reduce radio frequency interference, ensuring smooth engine operation.
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NGK – V-Power Nickel Spark Plug (XR4): Enhanced Ignitability & Reliability (Part No.5858)

V-Power Nickel Spark Plug (XR4): Enhanced Ignitability & Reliability

from

$6.99
NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK’s V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. 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 with V-groove 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
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Autolite – Copper Resistor Spark Plug: Quick Starts & Reliable Performance (Part No.86)

Copper Resistor Spark Plug: Quick Starts & Reliable Performance

from

$4.29
Autolite Copper spark plugs are crafted to ensure reliable performance and quick starts, making them an ideal choice for your vehicle or application. Featuring a copper core center electrode, these spark plugs excel in thermal control and resist fouling, ensuring consistent functionality. The high nickel alloy center and ground electrodes are designed for extended life, while the mid-projection standard center electrode enhances ignition efficiency. Built with a high alumina multi-rib ceramic insulator, these spark plugs offer superior insulation and thermal conductivity for added strength. The nickel-plated shell provides exceptional corrosion resistance, ensuring durability over extended use. With a flat seat type and integrated resistor, these spark plugs deliver dependable performance while maintaining compatibility with regular-grade applications. Designed to meet your performance expectations, Autolite Copper spark plugs combine advanced materials and engineering for lasting value and reliability.

Product Features:
  • The copper core center electrode aids in thermal control and improves resistance to fouling.
  • Its specially engineered high nickel alloy center and ground electrode provides extended life.
  • The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
  • Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
  • The integrated resistor ensures dependable performance and compatibility with regular-grade applications, enhancing reliability and versatility.
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E3 – DiamondFIRE Spark Plug: More Power & Fuel Efficiency (Part No.E3.52)

DiamondFIRE Spark Plug: More Power & Fuel Efficiency

from

$8.49
The Premium DiamondFire Automotive Spark Plug is engineered to deliver exceptional performance and efficiency for your vehicle. Featuring E3’s patented Diamond Fire edge-to-edge ground electrode, it ensures a faster, more complete burn for smoother acceleration and idle. The innovative “diamond-shaped” side wire electrode enhances combustion by quickly igniting the air/fuel mixture, resulting in a larger and faster flame kernel. This translates to improved power output – up to 6% on average – and better fuel efficiency, saving you money while reducing engine carbon deposits. Constructed with durable nickel center and ground electrode tips, this spark plug is built to last. Its gasket seat type ensures a secure fit, and the pre-gapped design eliminates the need for adjustments, making installation hassle-free. With its advanced technology, this spark plug not only boosts engine performance but also contributes to a cleaner, more efficient combustion process.

Product Features:
  • E3’s Diamond Fire edge to edge ground electrode provides maximum performance with increased efficiency and a faster more complete burn.
  • Smoother Acceleration & Idle – The faster flame initiated by the spark plug results in a more complete burn of the ingested fuel charge. More pressure is created against the piston more fuel is put to work
  • Energy – Power output improved up to 6% on average in the typical operating ranges. Results will vary.
  • Efficiency – The “diamond shaped” side wire electrode projects the combustion spark in a way that more quickly ignites the air/fuel mixture, thereby creating a significantly faster and larger flame kernel. The result is that more fuel is put to work durin
  • E3’s patented Diamond Fire Technology provides a cleaner burning combustion, which translates into fuel savings and reduced engine carbon deposits
  • The Spark Plugs are pre-gapped at the factory and cannot be adjusted.
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Accel – 8Mm Super Stock Spiral Uni Bk (Part No.5040K)

8Mm Super Stock Spiral Uni Bk

from

$99.99
The traditional ACCEL combination of yellow wire and red spark plug boots has been added to these SuperStock Spiral Core 5000 Series wire sets, which feature color-matched wire and spark plug boots in blue, black, and red. With only 500 ohms/ft. of resistance, more ignition energy can reach the spark plug, producing a longer-lasting, hotter spark flame kernel. The results is higher performance through improved efficiency, quicker throttle response, and reduced emissions. This 8mm wire’s double silicone construction is rated to 550 degrees F. The high-gloss wire jacket resists moisture, chemicals, and heat extremes for longer life and great looks. The fiberglass braid adds greater pull strength and terminal retention, while the stainless steel spark plug terminals provide excellent long life, electrical conductivity, and corrosion resistance. Both universal and custom-fit applications are available for early and late model cars and trucks.

Product Features:
  • 500 Ohms/ft Of Resistance
  • 550 F Rated Silicone Jacket
  • Stainless Steel Plug Terminals
  • High RFI Suppression For Street And Strip Use
  • Universal And Import Coverage
  • High-strength Fiberglass Braid Construction
  • Pre And Post HEI Vehicles
  • 8mm High Gloss Silicone Jacket
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Accel – 8Mm Super Stock Graphite Uni (Part No.4040B)

8Mm Super Stock Graphite Uni

from

$71.99
ACCEL’s SuperStock 4000 series spark plug wire sets are designed to upgrade an OE ignition system for high-spark delivery levels for street driven applications. The 450 degree F rated silicone jacket is extruded over a tightly woven, rugged fiberglass braid. The braid is applied over high dielectric strength EPDM (Ethylene Propylene Diene Monomer) inner insulation for ignition wire performance that exceeds SAE specifications.

Product Features:
  • 7mm And 8mm High Gloss Silicone Jacket
  • 450 F Rated Silicone Jacket
  • Stainless Steel Plug Terminals
  • RFI Suppression For Street Driven Applications
  • Custom-fit Universal And Import Coverage
  • High-strength Fiberglass Braid Construction
  • Pre And Post HEI Vehicles
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Spark Plugs Brands You Can Trust For Your Cadillac Series 61

7 trusted brands of Spark Plugs line our shelves, ready to help keep your Cadillac Series 61 running smooth. Below are some of the most popular brands and their top Spark Plugs offerings:

Popular Dorman – Help Spark Plugs

Dorman – Help products for the Cadillac Series 61 span several categories. Some of the highest-rated Dorman – Help Spark Plugs that will fit your Cadillac Series 61 are:
Spark Plug Non-Foulers - 14mm Gasket Seat
from $7.99
(1)
Spark Plug Non-Foulers – 14mm Gasket Seat
Spark Plugs

Most Purchased Cadillac Series 61 Spark Plugs from E3

When you buy the most frequently purchased E3 brand Spark Plugs, you can be confident it will be the right part for your Cadillac Series 61. Here are the E3 Spark Plugs Advanced Auto customers buy the most:
8Mm Super Stock Graphite Uni
from $71.99
(2)
8Mm Super Stock Graphite Uni
Spark Plug Wire Set Cut To Fits

FAQs for Cadillac Series 61 Spark Plugs

What are the most purchased Spark Plugs for the Cadillac Series 61?

Out of 12 Spark Plugs for the Cadillac Series 61, the most popular in our inventory are:

What are the top-rated Cadillac Series 61 Spark Plugs?

Top-rated Spark Plugs for your Cadillac Series 61 based on customer reviews/ratings are:
8Mm Super Stock Spiral Uni Bk
from $99.99
(5)
8Mm Super Stock Spiral Uni Bk
“I’m very happy with my 8mm spiral wires from Accel. Installed in a 94 deville 4.9 and it looks like a factory install other than the labeled wires. My”
8Mm Super Stock Graphite Uni
from $71.99
(2)
8Mm Super Stock Graphite Uni
“These wires come with the spark plug end attached. You have to cut the wires to your desired length, strip, and attach the cap end yourself.”