1985 Porsche 911 Spark Plugs

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Keep Your 1985 Porsche 911 in Top Shape with Quality Spark Plugs

Whether you’re repairing or upgrading your Spark Plug, using high-quality parts is key to keeping your 1985 Porsche 911 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Spark Plugs. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Spark Plugs from Trusted Brands

Looking for a reliable Spark Plug? We’ve got you covered with options from brands you know and trust like Autolite, NGK, and DENSO. For example, Autolite Spark Plugs start at just $4.49 with an average 4.6 star rating. NGK and DENSO offer similar pricing and quality, backed by strong customer feedback. With over 92 reviews and a solid 4.8 star average, you can shop with confidence knowing other Porsche 911 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1985 Porsche 911 Spark Plug at Advance Auto Parts is around $7.56, with a range that starts at $2.99 and goes up to $16.99. With 15 options in stock from 6 trusted brands, finding the right fit is easy. Popular picks like Champion Copper Plus Spark Plug RN9YC – Dependable Performance & Durability, 415, ACDelco RAPIDFIRE Spark Plug, 4, and Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 63 start at just $4.49 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Spark Plug, don’t forget to check out other key components like Distributors and Ignition Coils and Boots. At Advance Auto Parts, we’re here to help you keep your 1985 Porsche 911 in peak condition, inside and out.

Essential 1985 Porsche 911 Spark Plugs

Motorcraft – Motorcraft Standard Spark Plug (AGS32C): Reliable Performance & Durability, SP-436 (Part No.SP-436)

Motorcraft Standard Spark Plug (AGS32C): Reliable Performance & Durability, SP-436

from

$4.49
Standard Spark Plug (AGS32C) by Motorcraft is the ultimate choice for reliable performance and durability, specifically engineered to meet Ford’s stringent standards. Designed as original equipment for Ford, Lincoln, and Mercury vehicles, these spark plugs ensure an exact fit while delivering enhanced durability, reduced fuel consumption, and optimized emissions. Crafted with high-quality nickel for both the center and ground electrode tips, they resist oxidation and arc erosion, ensuring long-lasting performance. The multi-rib insulator effectively prevents misfires, while the design helps avoid false check engine lights, providing peace of mind for drivers. With service intervals of up to 100,000 miles, these spark plugs offer exceptional value and convenience. Backed by Motorcraft’s Service Parts Warranty, they are ideal for domestic and import cars and trucks of all sizes, making them a versatile solution for almost any application. Trust Motorcraft to deliver the same reliable ignition components your vehicle was manufactured with.
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Autolite – Autolite Copper Resistor Spark Plug: Quick Starts & Reliable Performance, 3922 (Part No.3922)

Autolite Copper Resistor Spark Plug: Quick Starts & Reliable Performance, 3922

from

$3.99
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 electrode design enhances ignition efficiency. Built with a high alumina multi-rib ceramic insulator, these spark plugs offer superior thermal conductivity and insulation 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.
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Autolite Iridium – Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP3924 (Part No.XP3924)

Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP3924

from

$11.49
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.
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ACDelco – ACDelco Conventional Spark Plug, R42XLS (Part No.R42XLS)

ACDelco Conventional Spark Plug, R42XLS

from

$6.49
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.
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Champion – Champion Copper Plus Spark Plug N12YC – Dependable Performance & Durability, 38 (Part No.38)

Champion Copper Plus Spark Plug N12YC - Dependable Performance & Durability, 38

from

$3.59
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.
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Champion – Champion Copper Plus Spark Plug RN9YC – Dependable Performance & Durability, 415 (Part No.415)

Champion Copper Plus Spark Plug RN9YC - Dependable Performance & Durability, 415

from

$5.99
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.
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Autolite – Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP3924 (Part No.APP3924)

Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP3924

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$7.49
Double Platinum Spark Plug offers enhanced durability and performance with its platinum-to-platinum design, effectively reducing gap erosion and minimizing misfires for a longer service life. Engineered for distributor-less ignition system (DIS) engines, it outperforms copper and standard platinum plugs. The yttrium-enhanced ground electrode ensures superior heat transfer, maintaining durability under high temperatures and pressure. Its high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for reliable operation. Featuring a mid-projection center electrode and flat seat type, this performance-grade spark plug is built with platinum-tipped electrodes for consistent ignition and lasting reliability. Designed to deliver exceptional value, it is a dependable choice for those seeking improved engine efficiency and longevity.
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E3 – E3 DiamondFIRE Spark Plug: More Power & Fuel Efficiency, E3.48 (Part No.E3.48)

E3 DiamondFIRE Spark Plug: More Power & Fuel Efficiency, E3.48

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$8.49
“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 – 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. Pre-gapped at the factory for hassle-free installation, it provides consistent, reliable performance. With its advanced design, this spark plug maximizes the energy from every drop of fuel, making it an excellent choice for drivers seeking enhanced power, efficiency, and longevity.”
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Bosch – Bosch Nickel-Copper Spark Plug: Enhanced Durability & Performance, 79173 (Part No.79173)

Bosch Nickel-Copper Spark Plug: Enhanced Durability & Performance, 79173

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$12.99
BOSCH conventional Nickel-Copper Spark Plugs are designed to deliver performance and value. Heavy-duty yttrium-enhanced nickel center electrode with copper core provides a longer lasting copper core spark plug. Engineered to meet or exceed Original Equipment specifications for nickel-copper core spark plugs.
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Bosch – Bosch Nickel Copper Spark Plug: Enhanced Durability & Heat Resistance, 7413 (Part No.7413)

Bosch Nickel Copper Spark Plug: Enhanced Durability & Heat Resistance, 7413

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$13.99
BOSCH conventional Nickel-Copper Spark Plugs are designed to deliver performance and value. Heavy-duty yttrium-enhanced nickel center electrode with copper core provides a longer lasting copper core spark plug. Engineered to meet or exceed Original Equipment specifications for nickel-copper core spark plugs.
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DENSO – DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK22, 5310 (Part No.5310)

DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK22, 5310

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$14.49
Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).
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Champion – Champion Iridium Spark Plug REC8WMPB4 – Maximum Performance & Longevity, 9044 (Part No.9044)

Champion Iridium Spark Plug REC8WMPB4 - Maximum Performance & Longevity, 9044

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$8.99
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.
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Champion – Champion Copper Plus Small Engine Spark Plug N3C – Dependable Performance & Durability, 801C (Part No.801C)

Champion Copper Plus Small Engine Spark Plug N3C - Dependable Performance & Durability, 801C

from

$2.99
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.
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Champion – Champion Double Platinum Power Spark Plug RC10PLPB4 – Enhanced Durability & Performance, 7436 (Part No.7436)

Champion Double Platinum Power Spark Plug RC10PLPB4 - Enhanced Durability & Performance, 7436

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$9.99
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.
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ACDelco – ACDelco RAPIDFIRE Spark Plug: Enhanced Durability & Performance, 19 (Part No.19)

ACDelco RAPIDFIRE Spark Plug: Enhanced Durability & Performance, 19

from

$7.99
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.
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NGK – NGK Standard Nickel Spark Plug (BPR5ES): Reliable OE Performance, 7734 (Part No.7734)

NGK Standard Nickel Spark Plug (BPR5ES): Reliable OE Performance, 7734

from

$6.99
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.
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Autolite – Autolite Platinum Spark Plug: Enhanced Durability & Improved Performance, AP3922 (Part No.AP3922)

Autolite Platinum Spark Plug: Enhanced Durability & Improved Performance, AP3922

from

$4.99
Autolite Platinum spark plugs are crafted for superior performance and durability, making them ideal for older engine applications. Featuring a platinum center electrode firing tip, these spark plugs ensure quicker firing, smoother starts, and enhanced acceleration while boosting fuel efficiency. The platinum firing tip resists gap erosion, extending service life, while the high alumina ceramic insulator offers excellent thermal conductivity and insulation for added strength. A multi-rib insulator prevents flash-over, ensuring reliable operation, and the nickel-plated shell resists corrosion for long-lasting durability. With a mid-projection standard center electrode design and a flat seat type, these performance-grade spark plugs deliver consistent results. The combination of platinum and nickel materials in the electrode tips further enhances reliability, making them a dependable choice for maintaining engine efficiency and longevity.
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ACDelco – ACDelco Conventional Spark Plug, 41-602 (Part No.41-602)

ACDelco Conventional Spark Plug, 41-602

from

$6.49
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.
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Champion – Champion Copper Plus Small Engine Spark Plug N6YC – Dependable Performance & Durability, 315 (Part No.315)

Champion Copper Plus Small Engine Spark Plug N6YC - Dependable Performance & Durability, 315

from

$3.19
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.
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Dorman – Help – Dorman – Help Spark Plug Non-Foulers – 14mm Gasket Seat Long Reach, 42004 (Part No.42004)

Dorman - Help Spark Plug Non-Foulers - 14mm Gasket Seat Long Reach, 42004

from

$9.99
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.
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Autolite Iridium – Autolite Iridium Iridium Ultra Fine Wire Spark Plug: Laser Welded for Precision, AI5325 (Part No.AI5325)

Autolite Iridium Iridium Ultra Fine Wire Spark Plug: Laser Welded for Precision, AI5325

from

$11.49
Autolite Iridium Ultra Laser Fine wire Spark Plugs are one of our brand’s most technologically advanced products. These spark plugs provide superior durability, more focused ignition with better overall ignitability for optimum performance. Autolite Spark Plugs are the best alternative to OE spark plugs, offering OE fit form and function supporting all foreign and domestic makes and models at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs in the world.
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Autolite – Autolite Racing Non-Resistor Spark Plug: Engineered for Maximum Performance, AR51 (Part No.AR51)

Autolite Racing Non-Resistor Spark Plug: Engineered for Maximum Performance, AR51

from

$4.99
Autolite Racing spark plugs are precision-engineered to elevate your engine’s performance on the track. Featuring a cut-back ground electrode, these spark plugs ensure optimal ignitability and superior heat transfer for quicker starts and consistent power delivery. The yttrium-enhanced alloy reduces ground wire temperature by up to 8%, making them ideal for colder heat ranges and performance modifications under intense conditions. With anti-corrosive nickel plating, these plugs resist rust better than black oxide, ensuring long-lasting durability and efficiency. The high alumina multi-rib ceramic insulator provides exceptional thermal conductivity and insulation, preventing flash-over while enhancing strength. Designed with a gasket seat type, they are built to withstand extreme conditions and deliver reliable performance. The concave face of the ground electrode maintains a constant gap for optimal ignition, while the mid-projection nickel center electrode ensures consistent spark quality. Perfect for racing applications, these performance-grade spark plugs are tailored for enthusiasts seeking maximum engine output and reliability.
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ACDelco – ACDelco RAPIDFIRE Spark Plug, 5 (Part No.5)

ACDelco RAPIDFIRE Spark Plug, 5

from

$7.99
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.
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DENSO – DENSO U-Groove Spark Plug: OE Performance, K20PBR-S10, 5061 (Part No.5061)

DENSO U-Groove Spark Plug: OE Performance, K20PBR-S10, 5061

from

$7.99
The U-Groove Spark Plug features an OEM-specified special ground electrode configuration designed for optimal performance and reliability. Its precision machine-rolled threads minimize the risk of seizing or cross-threading, making it ideal for delicate aluminum heads. With a durable nickel center electrode tip, this spark plug ensures long-lasting performance, boasting a lifespan of over 30,000 miles. Pre-fired for dependable operation, it delivers consistent ignition and smooth engine performance. The flat seat type and wide range of part numbers make it compatible with thousands of applications, including classic and collector cars. Built to last twice as long as conventional plugs, this spark plug offers exceptional value and durability, making it a trusted choice for maintaining OE performance in your vehicle.
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DENSO – DENSO U-Groove Spark Plug: OE Performance, K20TXR, 5063 (Part No.5063)

DENSO U-Groove Spark Plug: OE Performance, K20TXR, 5063

from

$7.99
The U-Groove Spark Plug is engineered with an OEM-specified special ground electrode configuration, ensuring optimal performance and reliability for a wide range of applications, including classic and collector cars. Its precision machine-rolled threads minimize the risk of seizing or cross-threading in delicate aluminum heads, making installation smooth and hassle-free. Built to last, this spark plug outperforms conventional plugs by offering twice the lifespan, delivering over 30,000 miles of dependable operation. Crafted with a nickel center electrode tip and featuring a flat seat type, it guarantees consistent ignition and efficient combustion. Each plug is 100 percent pre-fired to ensure reliable functionality right out of the box. With its U-Groove design, this spark plug provides enhanced durability and compatibility, making it a valuable upgrade for maintaining peak engine performance.
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NGK – NGK Laser Iridium Spark Plug (IFR6E11): Fine Wire Tip for Precision, 6741 (Part No.6741)

NGK Laser Iridium Spark Plug (IFR6E11): Fine Wire Tip for Precision, 6741

from

$22.99
NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.
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Autolite – Autolite Platinum Spark Plug: Enhanced Durability & Improved Performance, AP5325 (Part No.AP5325)

Autolite Platinum Spark Plug: Enhanced Durability & Improved Performance, AP5325

from

$5.49
Autolite Platinum spark plugs are crafted for superior performance and durability, making them ideal for older engine applications. Featuring a platinum center electrode firing tip, these spark plugs ensure quicker firing, smoother starts, better acceleration, and improved fuel efficiency. The platinum firing tip resists gap erosion, extending service life, while the high alumina ceramic insulator enhances thermal conductivity and insulation for added strength. A multi-rib insulator prevents flash-over, and the nickel-plated shell offers exceptional corrosion resistance for long-lasting durability. Designed with a mid-projection standard center electrode and nickel ground electrode tip, these spark plugs deliver reliable performance under demanding conditions. Engineered in the USA with over a century of expertise and backed by the sale of over 11 billion plugs, Autolite Platinum spark plugs are a trusted choice for drivers seeking enhanced engine efficiency and durability.
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ACDelco – ACDelco Double Platinum Spark Plug, 41-829 (Part No.41-829)

ACDelco Double Platinum Spark Plug, 41-829

from

$10.29
ACDelco Professional Double Platinum Spark Plugs are premium aftermarket plugs, and are a high quality replacement for many vehicles on the road today. 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.
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Most Popular Spark Plugs for 1985 Porsche 911s

Enhance your 1985 Porsche 911 with one of the 15 Spark Plugs we have in stock, starting at just $2.99.

NGK – NGK Standard Nickel Spark Plug (BPR6ES): Reliable OE Performance, 7131 (Part No.7131)

NGK Standard Nickel Spark Plug (BPR6ES): Reliable OE Performance, 7131

from

$5.59
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.
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Autolite – Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 63 (Part No.63)

Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 63

from

$4.49
Autolite Copper spark plugs are crafted to deliver reliable performance and durability, making them an excellent choice for your vehicle or application. Featuring a copper core center electrode, these spark plugs excel in thermal control and resist fouling, ensuring consistent operation. The high nickel alloy center and ground electrodes are designed for extended life, while the nickel-plated shell offers superior corrosion resistance for long-lasting durability. With a high alumina multi-rib ceramic insulator, these spark plugs provide exceptional thermal conductivity and insulation, enhancing strength and reliability. Optimized for fuel efficiency, they help improve fuel economy, saving you money over time. The mid-projection standard center electrode design and flat seat type ensure compatibility with a wide range of applications, while the nickel tip materials on both the center and ground electrodes add to their robust construction. Ideal for quick starts and dependable performance, these spark plugs are a smart investment for maintaining your vehicle’s efficiency.
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ACDelco – ACDelco Conventional Spark Plug, R42XLS (Part No.R42XLS)

ACDelco Conventional Spark Plug, R42XLS

from

$6.49
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.
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NGK – NGK V-Power Nickel Spark Plug (BPR6EY): Enhanced Ignitability & Performance, 6427 (Part No.6427)

NGK V-Power Nickel Spark Plug (BPR6EY): Enhanced Ignitability & Performance, 6427

from

$5.99
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.
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Autolite – Autolite Platinum Spark Plug (AP63): Enhanced Durability & Performance (Part No.AP63)

Autolite Platinum Spark Plug (AP63): Enhanced Durability & Performance

from

$5.49
Autolite Platinum spark plugs are crafted for superior performance and durability, making them ideal for older engine applications. Featuring a platinum center electrode firing tip, these spark plugs ensure quicker firing, smoother starts, and improved fuel efficiency. The platinum design prevents gap erosion, extending the service life, while the high alumina ceramic insulator enhances thermal conductivity and insulation for added strength. A multi-rib insulator minimizes flash-over, ensuring consistent performance, and the nickel-plated shell resists corrosion for long-lasting durability. With a mid-projection standard center electrode and a flat seat type, these performance-grade spark plugs deliver reliable ignition and acceleration. The combination of platinum and nickel materials in the electrode tips further boosts efficiency and resilience, making them a dependable choice for maintaining engine health and optimizing vehicle performance.
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Autolite – Autolite Double Platinum Spark Plug: Enhanced Durability & Longer Service Life, APP63 (Part No.APP63)

Autolite Double Platinum Spark Plug: Enhanced Durability & Longer Service Life, APP63

from

$7.49
Double Platinum Spark Plug: Enhanced Durability & Longer Service Life is engineered to deliver exceptional performance and reliability 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, making it highly durable under extreme temperatures and pressure. Its high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for added safety. With a mid-projection standard center electrode and platinum tips on both the center and ground electrodes, this performance-grade spark plug is built to outperform copper and standard platinum plugs. Designed with a flat seat type and integrated resistor, it provides reliable functionality and long-lasting value, making it an ideal choice for demanding engine conditions.
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DENSO – DENSO Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IW20TT, 4709 (Part No.4709)

DENSO Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IW20TT, 4709

from

$12.99
Experience the perfect blend of durability and performance with this Iridium TT Spark Plug. Featuring a 0.4mm Iridium center electrode – the world’s smallest diameter – it maximizes firing potential for unmatched ignition efficiency. The 0.7mm needle tip ground electrode enhances spark energy while reducing heat quenching, ensuring consistent performance. Built with DENSO’s patented Iridium-Rhodium alloy formula, this spark plug boasts the highest concentration of iridium for superior durability, even under extreme conditions exceeding 4000 Deg F. The 360-degree laser welding process guarantees a robust bond and structural integrity, making it a reliable choice for high-performance engines. Designed with a flat seat type and OE-style durability, this spark plug delivers the power and torque you demand without compromising longevity. Whether you’re seeking enhanced engine efficiency or enduring reliability, this spark plug is engineered to exceed expectations.
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NGK – NGK Iridium IX Spark Plug (BPR6EIX): Enhanced Acceleration & Durability, 6637 (Part No.6637)

NGK Iridium IX Spark Plug (BPR6EIX): Enhanced Acceleration & Durability, 6637

from

$16.99
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.
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Champion – Champion Copper Plus Spark Plug RN9YC – Dependable Performance & Durability, 415 (Part No.415)

Champion Copper Plus Spark Plug RN9YC - Dependable Performance & Durability, 415

from

$5.99
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.
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NGK – NGK G-Power Spark Plug (BPR6EGP): Enhanced Durability & Fuel Efficiency, 7084 (Part No.7084)

NGK G-Power Spark Plug (BPR6EGP): Enhanced Durability & Fuel Efficiency, 7084

from

$6.99
NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.
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Dorman – Help – Dorman – Help Spark Plug Non-Foulers – 14mm Gasket Seat Long Reach, 42004 (Part No.42004)

Dorman - Help Spark Plug Non-Foulers - 14mm Gasket Seat Long Reach, 42004

from

$9.99
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.
See More

ACDelco – ACDelco RAPIDFIRE Spark Plug, 4 (Part No.4)

ACDelco RAPIDFIRE Spark Plug, 4

from

$7.99
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.
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Champion – Champion Copper Plus Small Engine Spark Plug N3C – Dependable Performance & Durability, 801C (Part No.801C)

Champion Copper Plus Small Engine Spark Plug N3C - Dependable Performance & Durability, 801C

from

$2.99
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.
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Champion – Champion Copper Plus Small Engine Spark Plug N3C – Dependable Performance & Durability, 801 (Part No.801)

Champion Copper Plus Small Engine Spark Plug N3C - Dependable Performance & Durability, 801

from

$2.99
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.
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DENSO – DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IW20, 5306 (Part No.5306)

DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IW20, 5306

from

$10.99
Iridium Power Spark Plug delivers unmatched performance with the world’s smallest iridium center electrode at just 0.4mm, ensuring maximum spark energy for superior combustion. Engineered with patented 360-degree laser welding and a U-groove taper cut ground electrode, it optimizes flame propagation for enhanced engine efficiency. Built to withstand extreme temperatures exceeding 4000 Deg F, its burnished nickel plating offers exceptional resistance to corrosion and high-temperature endurance. Designed for a wide range of applications, including classic and collector cars, this spark plug provides superior horsepower and fuel efficiency while requiring 5,000 volts less to fire compared to conventional plugs. Its durable iridium material and flat seat type ensure long-lasting reliability, while enhanced engine starts reduce misfires even under heavy loads. Experience the pinnacle of spark plug technology with Iridium Power for maximum performance and efficiency.
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Top-Rated Spark Plug Brands For Your 1985 Porsche 911

When it comes to finding the perfect Spark Plug for your 1985 Porsche 911, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 6 trusted brands. We carry the most popular Spark Plug brands including NGK, Autolite, and DENSO, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $4.49. Purchasing a Spark Plug from us here at Advance Auto Parts is a smart move for both you and your 1985 Porsche 911, providing peace of mind with parts that meet or exceed OEM standards.

Popular NGK 1985 Porsche 911 Spark Plugs

If you’re looking for a top-quality Spark Plug for your 1985 Porsche 911, Advance Auto Parts has exactly what you need with our selection of NGK Spark Plugs. We have 3 NGK Spark Plugs in stock for this fitment, all known for their durability and precision fit. With prices starting at just $5.59 and an average cost of $9.52, you’ll find the perfect Spark Plug for your needs and budget. NGK Spark Plugs for the 1985 Porsche 911 come highly rated, with over 61 customer reviews and an impressive average rating of 4.8 stars. Choosing a NGK Spark Plug from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
NGK Standard Nickel Spark Plug (BPR6ES): Reliable OE Performance, 7131
from $5.59
(53)
NGK Standard Nickel Spark Plug (BPR6ES): Reliable OE Performance, 7131
“They spark well. Engine runs noticeably better with them in. Would not run without them. The old dirty plugs ran bad. These are better. I run NGK in”
NGK Iridium IX Spark Plug (BPR6EIX): Enhanced Acceleration & Durability, 6637
from $16.99
(1)
NGK Iridium IX Spark Plug (BPR6EIX): Enhanced Acceleration & Durability, 6637
“I read about using Iridium spark plugs to replace the standard nickel plugs in small engines to improve the efficiency. I installed this plug in a Hon”

Top-Quality Autolite 1985 Porsche 911 Spark Plugs

For those in search of a high-quality Spark Plug for their 1985 Porsche 911, Advance Auto Parts offers a great selection of Autolite Spark Plugs. With 3 Autolite Spark Plugs in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Spark Plugs start at just $4.49, with an average price of $5.82, giving you a range of options to suit your budget. Backed by over 14 customer ratings and an average rating of 4.6 stars, Autolite Spark Plugs provide both reliability and excellent performance. Choosing a Autolite Spark Plug from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Autolite Platinum Spark Plug (AP63): Enhanced Durability & Performance
from $5.49
(1)
Autolite Platinum Spark Plug (AP63): Enhanced Durability & Performance
“This plug is being used my older Yamaha v-twin motors like in the Virago and V-star. It runs a bit hotter than standard replacement plugs, and fires m”
Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 63
from $4.49
(12)
Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 63
“Replacing the plugs for my lawn equipment has them ROARING back to life! Should have done it sooner!”
Autolite Double Platinum Spark Plug: Enhanced Durability & Longer Service Life, APP63
from $7.49
(1)
Autolite Double Platinum Spark Plug: Enhanced Durability & Longer Service Life, APP63
“Great product – comes pre-gapped. Hassle free ordering and fit the car like a glove. Also, the manager of the store was excellent. He had the part rea”

FAQs for 1985 Porsche 911 Spark Plugs

What are the best-selling Spark Plugs for 1985 Porsche 911s?

Out of 15 Spark Plugs that fit 1985 Porsche 911s, the following parts are the top sellers:

What’s the price range for 1985 Porsche 911 Spark Plugs?

The prices of Spark Plugs for the 1985 Porsche 911 range from $2.99 up to $16.99 for the most premium parts.

What is the average price of a Spark Plug for a 1985 Porsche 911?

The average price for Spark Plugs for the 1985 Porsche 911 is $7.56. Keep in mind the variety of part types within our Spark Plug category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Spark Plugs for other Porsche 911 model years?

Yes, we carry Spark Plugs for 59 model years of Porsche 911s between 1965 and 2025. The following model years are the most popular for Spark Plug purchases: 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, and 2014.

Does Advance Auto Parts sell Spark Plugs for any other 1985 Porsche models?

Yes. We stock Spark Plugs for 1 other popular 1985 Porsche models. Some of the most popular are 1985 928 Spark Plugs and 1985 944 Spark Plugs.

What are the top-rated Spark Plugs that fit the 1985 Porsche 911?

The one 1985 Porsche 911 Spark Plug we have in stock is the Champion Copper Plus Small Engine Spark Plug N3C – Dependable Performance & Durability, 801C. It costs $2.99.

What types of Spark Plugs do you sell for my 1985 Porsche 911?

We currently have just 1 Spark Plug in stock for a 1985 Porsche 911, and as of 8/2/26, it is a Spark Plug.

Can I get help with 1985 Porsche 911 Spark Plug orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Porsche Spark Plugs and more.

What is your return policy for Porsche 911 Spark Plugs?

Advance Auto Parts keeps returns simple. For new Porsche 911 Spark Plugs and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.