1981 Porsche 911 Spark Plugs
More 1981 Porsche 911 Spark Plugs
Find your specific 1981 Porsche 911 original or aftermarket Spark Plugs below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.
Essential 1981 Porsche 911 Spark Plugs
NGK – OE Series Standard Nickel Spark Plug: Conventional Tip, BR7ES (Part No.5122)
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$4.49
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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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
ACDelco – Copper Core Spark Plug: Original Equipment Replacement (Part No.R43XLS)
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$4.99
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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Product Features:
- GM regularly updates production and service part designs to integrate new materials and technologies
- High-Quality Copper Core: Designed with high-quality copper cores for reliable performance and efficient operation.
- Nickel Center Electrode Tip: Features a nickel center electrode tip for enhanced durability and consistent performance.
- Outstanding Suppression Characteristics: Engineered to deliver outstanding suppression characteristics, ensuring smooth engine operation.
- OE Replacement: These spark plugs are true OE parts installed during GM vehicle production, ensuring perfect fit, form, and function.
- Versatile Applications: Providing a high-quality replacement for a wide range of vehicles.
Motorcraft – Spark Plug (Part No.SP-406)
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$2.49
The only parts recommended by Ford Motor Company for Ford, Lincoln, and Mercury vehicles.Long Service Intervals: 100,000 mile service interval, High-Strength Steel High Thread, Platinum-Iridium, Fine-Wire Double Platinum, 60,000-100,000 mile service interval, Up to 60,000 mile service interval: Nickel, Standard Copper Core.
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Autolite – Racing Non-Resistor Spark Plug: Enables Performance, Handles Intense Conditions (Part No.AR51)
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$4.79
The ground electrode is cut-back from the center electrode to provide a gap, and its concave face ensures a constant gap for optimal performance. This design opens the spark face for better ignitability of the flame kernel, retains less heat, and transfers heat to the shell faster, significantly reducing the risk of pre-ignition. Dyno testing has shown proven power gains, making this plug ideal for all aftermarket cylinder heads used in various racing venues, including oval and road racing. Featuring a gasket seat type, this spark plug is engineered to handle intense conditions and deliver superior performance.
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Product Features:
- Opens spark face for better ignitability of flame kernel
- Retains less heat, transfers heat to shell faster – reduces risk of pre-ignition
- Dyno testing has shown proven power gains
- Gasket Seat Type: Features a gasket seat type, engineered to handle intense conditions and deliver superior performance.
- Optimal Performance Gap: The ground electrode is cut-back from the center electrode to provide a gap, and its concave face ensures a constant gap for optimal performance.
Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.3922)
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$4.29
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration, Autolite Copper Core spark plugs are designed to meet or exceed OES design requirements. Consider upgrading to Autolite Platinum, Double Platinum or Iridium XP plugs for improved engine performance. Copper core plugs are the industry standard.
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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
DENSO – U-Groove Spark Plug: OE Performance, lasts 30K+ Miles, K20PBR-S10 (Part No.5061)
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$5.49
OE Performance, lasts 30K+ Miles, K20PBR-S10. The unique U-Groove ground electrode is one of the finest features of DENSO spark plugs, developed to meet the demand for improved ignitability, necessary for increased efficiency in emission gas purification and fuel consumption. This OEM specified special ground electrode configuration, combined with precision machine-rolled threads, reduces seizing and cross-threading in delicate aluminum heads. With a wide range of part numbers for thousands of applications, including classic and collector cars, these spark plugs last twice as long as most conventional plugs and are 100% pre-fired to assure reliable operation. The center electrode tip is made of durable nickel, and the flat seat type ensures a secure fit.
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Product Features:
- OEM specified special ground electrode configuration
- Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads
- Wide range of part numbers for thousands of applications, including classic and collector cars
- Lasts twice as long as most conventional plugs
- 100% pre-fired to assure reliable operation
- U-Groove Conventional
- Durable Nickel Center Electrode Tip: Ensures long-lasting performance and reliability, with a lifespan of over 30,000 miles.
ACDelco – Conventional Nickel Tip Copper Core Spark Plug: Reliable Performance (Part No.R42XLS)
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$4.99
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:
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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 GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
- ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies
- High-Quality Copper Core: Designed with a high-quality copper core to ensure reliable and efficient performance.
- Nickel Alloy Electrode Tip: Features a nickel alloy center electrode tip for enhanced durability and performance.
- Outstanding Suppression Characteristics: Engineered with superior suppression characteristics to deliver consistent and reliable performance.
- Premium Aftermarket Replacement: Manufactured to meet high standards of fit, form, and function, providing a dependable replacement option for many vehicles.
Champion – Iridium Spark Plug: Maximum Performance, OE Replacement, REC8WMPB4 (Part No.9044)
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$7.29
Maximum Performance, OE Replacement, REC8WMPB4 – the ultimate element for your engine. This premium spark plug features an iridium center electrode that delivers maximum life and a fine-wire center electrode with V-trimmed ground electrode for greater ignitability and sharper spark focus. The Heat-Active alloy ensures the electrodes reach optimal temperature quickly, maintaining stable operating temperature under all engine loads. With a flat seat type and resistor, this spark plug is designed for maximum performance and reliability.
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Product Features:
- Champion Iridium – Maximum Performance. Premium Spark Plug
- Iridium center electrode delivers maximum life
- Fine-wire center electrode and V-trimmed for greater ignitability
- V-trimmed ground electrode promotes sharper spark focus
- Maintains stable operating temperature under all engine loads
- Heat-Active alloy allows electrodes to reach optimal temperature quickly
- Flat Seat Type: Designed with a flat seat type for secure and reliable installation.
- Built-in Resistor: Includes a resistor to ensure maximum performance and reliability.
Autolite – Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration (Part No.AP3924)
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$4.79
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Platinum spark plugs provide a center wire platinum firing tip which provides reduced gap erosion, fewer misfires, better performance and increased durability. Consider upgrading to Autolite Double Platinum or Iridium XP spark plugs for increased performance.
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Product Features:
- High nickel alloy side electrode maintains precise gap
- Full platinum tip assures virtually no gap erosion for long life
- Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs)
Champion – Copper Plus Spark Plug: Dependable Performance, OE Replacement, RN9YC (Part No.415)
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$4.49
Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
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Product Features:
- Copper Plus – Dependable Performance and Durability
- 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
- Built to ISO and SAE standards for proven performance
Autolite Iridium – Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP63)
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$9.99
Autolite® Iridium XP Enhanced Alloy Technology Spark Plugs is one of the brand’s most technologically advanced spark plugs ever. These spark plugs provide better durability and a more focused ignition for better overall ignitability and optimum performance. Autolite® spark plugs are the best alternativ e to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, 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.
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Champion – Iridium Spark Plug: Maximum Performance, OE Replacement, RN8WYPB3 (Part No.9804)
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$8.49
Champion® Iridium – the ultimate element. This spark plug’s fine-wire iridium center and platinum ground electrodes provide the sharpest spark focus for maximum performance.
Product Features:
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Product Features:
- Champion Iridium – Maximum Performance. Premium Spark Plug
- Iridium center electrode delivers maximum life
- Fine-wire center electrode and V-trimmed for greater ignitability
- V-trimmed ground electrode promotes sharper spark focus
- Maintains stable operating temperature under all engine loads
- Heat-Active┐ alloy allows electrodes to reach optimal temperature quickly
Champion – Copper Plus Small Engine Spark Plug: Dependable Performance, OE Replacement, N3C (Part No.801C)
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$2.99
Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. It resists fouling and offers superior corrosion resistance, ensuring long-lasting durability. With dependable and proven performance, this spark plug is designed to keep your small engine running smoothly and efficiently.
Product Features:
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Product Features:
- Resists fouling
- Superior corrosion resistance
- Dependable and proven performance
- Increased conductivity and heat control for good overall wear
- Copper Core Electrode: Provides increased conductivity and heat control for good overall wear.
- Long-Lasting Durability: Engineered for extended use, maintaining performance over time.
NGK – Iridium IX Spark Plug: Single Iridium Fine Wire, BPR5EIX (Part No.6597)
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$11.79
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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Product Features:
- SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
- IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
- TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
- Outstanding Acceleration and High Fuel Efficiency: NGK Iridium IX spark plugs are engineered to deliver exceptional acceleration and improved fuel efficiency, making them ideal for performance enthusiasts.
- Extreme Ignitability and Anti-Fouling: These spark plugs offer extreme ignitability and exceptional resistance to fouling, ensuring reliable performance in various driving conditions.
Dorman – Help – Spark Plug Non-Foulers – 14mm Gasket Seat Long Reach (Part No.42004)
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$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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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
Popular 1981 Porsche 911 Spark Plugs Categories
1981 Porsche 911 Spark Plugs
Maybe you’re in the middle of a full rebuild of that 1981 Porsche 911. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 13 different Spark Plugs in our inventory ranging from $1.99 to $11.99. That means you can find the exact parts or products you need to keep that 1981 Porsche 911 running smoothly.
Spark Plugs are only as good as their brand. We stock 7 different brands to make sure you have plenty of trusted parts to choose from for your 1981 Porsche 911. NGK, E3, and Autolite are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!
We know you’ll find the perfect Spark Plugs for your 1981 Porsche 911, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 52 reviews in this category, some of the top rated parts include Spark Plug Non-Foulers – 14mm Gasket Seat Long Reach with 3.7 stars and Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life with 5.0 stars.
So if you’re in the market for aftermarket Spark Plugs to keep your 1981 Porsche 911 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!
Spark Plugs Brands To Make Your 1981 Porsche 911 Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 1981 Porsche 911 demands trusted brand parts and products to keep it running. Many trusted brands of Spark Plugs make up Advance Auto Parts’ inventory, and all are ready to help make your 911 the best it can be. Be sure to browse some of our top Spark Plugs brands and parts.
Popular ACDelco Spark Plugs
We carry ACDelco parts in our stock across Spark Plugs categories, plus more. For a 1981 Porsche 911, our most popular ACDelco Spark Plugs include:
Top 1981 Porsche 911 Spark Plugs from E3
E3 products are another trusted brand when it comes to Spark Plugs for your 1981 Porsche 911. Popular E3 parts include:
FAQs for 1981 Porsche 911 Spark Plugs
What are the most purchased Spark Plugs for the 1981 Porsche 911?
Out of 13 Spark Plugs for the 1981 Porsche 911, the most popular in our inventory are:
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$3.49
(12)
Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration
Spark Plugs
What are the top-rated 1981 Porsche 911 Spark Plugs?
Top-rated Spark Plugs for your 1981 Porsche 911 based on customer reviews/ratings are:
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$6.49
(1)
Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life
“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”
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$4.49
(1)
Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration
“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”
