1987 Buick Riviera Spark Plugs

GM Genuine Parts Spark Plug Heat Shields are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

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.

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.

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.

Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.

Autolite Copper spark plugs are designed to deliver reliable performance and meet the demands of your vehicle with precision. Featuring a copper core center electrode, these spark plugs ensure excellent thermal control and resistance to fouling, while the high nickel alloy center and ground electrodes provide extended life and durability. The high alumina multi-rib ceramic insulator enhances thermal conductivity and insulation, offering increased strength and reliability. With a nickel-plated shell, these spark plugs resist corrosion for long-lasting performance. Engineered for good fuel economy, they help optimize fuel efficiency, saving you money without compromising on power. Additionally, their advanced design ensures smooth acceleration and consistent ignition, making them a dependable choice for maintaining peak engine performance. With a standard center electrode design, mid projection, and flat seat type, these spark plugs are built to deliver quick starts and enhanced durability for regular-grade applications.

Motorcraft Spark Plugs are precision-engineered to meet strict Ford standards, ensuring original equipment performance and reliability for Ford, Lincoln, and Mercury vehicles. Designed with a fine wire platinum center electrode and platinum ground electrode tip, these spark plugs deliver enhanced durability, reduce fuel consumption, and optimize emissions. The multi-rib insulator protects against misfires, while the tapered seat type ensures an exact fit for seamless installation. Resistant to oxidation and arc erosion, they are built to withstand service intervals of up to 100,000 miles, providing long-lasting performance and confidence on the road. Backed by Motorcraft’s Service Parts Warranty, these spark plugs help prevent false check engine lights and maintain peak engine efficiency. Crafted with high-quality materials, they are ideal for a broad range of applications, including domestic and import cars and trucks, making them a reliable choice for drivers seeking durability and optimized performance.

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.

ACDelco GM Original Equipment Conventional Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These 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. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

Champion Double Platinum Power spark plugs combine a platinum fine-wire center electrode with platinum center and ground electrodes and exclusive Heat-Active alloy, ensuring powerful performance, longer service life and precise spark focus for optimal combustion. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.

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.

Champion Copper Plus spark plugs deliver dependable ignition performance with proven copper-core technology. The copper core electrode provides excellent conductivity and optimized heat control for consistent sparks while the coated shell protects against corrosion. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.

Standard Spark Plug (ASF42CF4) delivers reliable performance and durability, making it the ideal choice for maintaining your vehicle’s original efficiency. Engineered to meet strict Ford standards, these Motorcraft spark plugs are specifically matched to engines for enhanced durability, reduced fuel consumption, and optimized emissions. Designed with high-quality materials, they resist oxidation and arc erosion, ensuring long-lasting reliability with service intervals of up to 100,000 miles. The multi-rib insulator protects against misfires, while the exact fit guarantees seamless compatibility with Ford, Lincoln, and Mercury vehicles. Backed by Motorcraft’s Service Parts Warranty, these spark plugs help prevent false check engine lights, giving you confidence in their performance. Whether for domestic or import cars and trucks, Motorcraft spark plugs are the trusted choice for maintaining the original equipment standards your vehicle was built with.

Champion Double Platinum Power spark plugs combine a platinum fine-wire center electrode with platinum center and ground electrodes and exclusive Heat-Active alloy, ensuring powerful performance, longer service life and precise spark focus for optimal combustion. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.

The U-Groove Spark Plug with its patented U-groove ground electrode design ensures superior ignitability, allowing your engine to fire leaner mixtures for enhanced efficiency and performance. Built with a durable nickel center electrode tip, it delivers long-lasting performance while improving fuel consumption and emission gas purification. Precision machine-rolled threads minimize the risk of seizing or cross-threading, making it ideal for use in delicate aluminum heads. Designed to last twice as long as most conventional plugs, this spark plug is 100% pre-fired to guarantee reliable operation from the start. Its tapered seat type ensures a secure fit, and with a wide range of part numbers available, its compatible with thousands of applications, including classic and collector cars. Whether you’re maintaining a daily driver or restoring a vintage vehicle, this spark plug offers OE performance and exceptional value.

The Double Platinum Spark Plug is engineered for drivers seeking enhanced performance and durability. Featuring Champion’s Double Platinum Power technology, this premium spark plug is designed to deliver more powerful performance with exceptional wear resistance. Its platinum fine-wire center electrode and platinum pad ground electrode ensure greater ignitability and a sharper spark focus, promoting efficient combustion and improved engine response. The V-trimmed ground electrode further enhances spark precision, while the exclusive Heat-Active alloy maintains stable operating temperatures under all engine loads, ensuring consistent performance and longevity. Ideal for those who demand reliability and peak performance, this spark plug is built to withstand the rigors of daily driving while maximizing engine efficiency.

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

This spark plug is engineered for reliable ignition performance, featuring a standard center electrode design and durable nickel construction for both the center and ground electrode tips. The nickel material ensures excellent conductivity and resistance to wear, making it a dependable choice for maintaining consistent engine performance. Its tapered seat type provides a secure fit, enhancing the overall efficiency of the ignition system. Designed to deliver long-lasting durability and optimal functionality, this spark plug is a cost-effective solution for keeping your vehicle running smoothly. Whether you’re replacing a worn-out plug or performing routine maintenance, this high-quality component ensures dependable starts and efficient combustion.

“The Premium DiamondFire Automotive Spark Plug is engineered to deliver peak 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 flame kernel and improved power output – up to 6% on average. This advanced design not only boosts energy but also promotes fuel savings and reduces engine carbon deposits for a cleaner, more efficient operation. Constructed with durable nickel center and ground electrode tips, it offers long-lasting reliability. The tapered seat type ensures a secure fit, and the pre-gapped design eliminates the need for adjustments, making installation hassle-free. Upgrade to this spark plug for enhanced performance, better fuel economy, and a cleaner engine.”

ACDelco GM Original Equipment Conventional Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These 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. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

Champion Iridium spark plugs combine a fine-wire iridium center with platinum ground electrodes to help any engine achieve top performance, regardless of ignition type. This advanced design ensures precise ignition, long-lasting durability and reliable performance mile after mile, while reducing wear and tear. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.

Double Platinum Spark Plug: Enhanced Durability & Longer Life is engineered for peak performance and reliability, making it an ideal choice for distributor-less ignition system (DIS) engines. Featuring a platinum-to-platinum design, it minimizes gap erosion and reduces misfires, ensuring consistent ignition and extended service life. The yttrium-enhanced ground electrode offers superior heat transfer, allowing the spark plug to withstand high temperatures and pressures for unmatched durability. Its high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for added safety and efficiency. With a mid-projection center electrode and tapered seat type, this performance-grade spark plug delivers precision and compatibility. Both the center and ground electrode tips are crafted from platinum, ensuring long-lasting reliability and superior performance compared to copper or standard platinum plugs. Designed to meet the demands of modern engines, this spark plug is a valuable upgrade for those seeking durability and enhanced ignition efficiency.

“The Premium DiamondFire Automotive Spark Plug is engineered to deliver peak 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 by up to 6% on average and greater fuel efficiency, reducing engine carbon deposits and saving you money at the pump. Constructed with durable nickel for both the center and ground electrode tips, this spark plug is built to last. Its tapered seat design ensures a secure fit, and the pre-gapped configuration eliminates the need for adjustments, making installation hassle-free. Upgrade to the DiamondFire Spark Plug for cleaner combustion, enhanced engine performance, and long-term reliability.”

Autolite Copper spark plugs are crafted to deliver reliable performance and quick starts, ensuring your vehicle meets its power demands with ease. Featuring a copper core center electrode, these spark plugs excel in thermal control and resist fouling, while the high nickel alloy center and ground electrodes provide extended life and durability. The high alumina multi-rib ceramic insulator enhances thermal conductivity and insulation, offering superior strength under demanding conditions. Designed with a corrosion-resistant nickel-plated shell, these spark plugs are built to withstand extended use. With a standard center electrode design, mid projection, and tapered seat type, they are engineered for compatibility and consistent performance. The inclusion of a resistor further enhances functionality, making these spark plugs a dependable choice for regular-grade applications.

Champion Copper Plus spark plugs deliver dependable ignition performance with proven copper-core technology. The copper core electrode provides excellent conductivity and optimized heat control for consistent sparks while the coated shell protects against corrosion. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode’s durability is six times harder than platinum. Iridium alloy’s extremely high melting point is perfect for today’s engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

Standard Spark Plug (AGSF32CA) delivers reliable performance and durability, making it the ideal choice for maintaining your vehicle’s original equipment standards. Specifically engineered for Ford, Lincoln, and Mercury vehicles, these spark plugs ensure an exact fit while enhancing engine durability, reducing misfires, optimizing emissions, and improving fuel efficiency. Built with high-quality materials, they resist oxidation and arc erosion, ensuring long-lasting performance with service intervals of up to 100,000 miles. The multi-rib insulator design protects against misfires, while Motorcraft ignition components help prevent false check engine lights, giving you confidence in your vehicle’s operation. Backed by Motorcraft’s Service Parts Warranty, these spark plugs are the same trusted components found in your vehicle at the time of manufacture, offering unmatched reliability for a broad range of domestic and import cars and trucks. Whether you’re maintaining or upgrading, these spark plugs deliver the performance and dependability you need.

“The Premium DiamondFire Automotive Spark Plug is engineered to deliver peak 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 igniting the air/fuel mixture more quickly, resulting in a larger flame kernel and improved power output – up to 6% on average. Designed with nickel center and ground electrode tips, this spark plug offers durability and consistent performance. Its cleaner-burning combustion reduces engine carbon deposits and promotes fuel savings, making it an eco-friendly choice. Pre-gapped at the factory for hassle-free installation, this spark plug is a perfect blend of advanced technology and convenience, ensuring your engine runs at its best.”