1978 Jaguar XJ12 Ignition and Tune-Up Products

Essential 1978 Jaguar XJ12 Ignition and Tune-Up Products

Carquest Premium – Distributor Cap (Part No.CAE1632)

Distributor Cap

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$116.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Lucas – Lucas Distributor Cap (Part No.F201037138LUC)

Lucas Distributor Cap

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$75.49
Lucas Distributor Caps and Rotors are made from top quality materials throughout to ensure high performance and long product life.

Product Features:
  • Superior Surface Finish
  • RFI Resistors (Asian) / RFI Suppression (European)
  • Installation Screws
  • Precision-machined Contacts
  • Finely -tooled Metal Mounting Sleeve (Asian)
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Autolite Iridium – Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP64)

Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition

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$9.99
Our best spark plug! 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.

Product Features:
  • 0.6 mm finewire design improves ignitability
  • Patented V-trimmed platinum sidewire technology resists wear
  • OE equivalent design is engineered for every engine
  • Designed for better overall durability with virtually no gap erosion
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Dorman – Help – Spark Plug Non-Foulers – 14mm Tapered Seat (Part No.42008)

Spark Plug Non-Foulers - 14mm Tapered Seat

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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.

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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Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.103)

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

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$3.49
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.

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
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Champion – Copper Plus Spark Plug: Dependable Performance, OE Replacement, RS9YC (Part No.304)

Copper Plus Spark Plug: Dependable Performance, OE Replacement, RS9YC

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$3.99
The Champion Spark Plug Copper Plus Spark Plug RS9YC is a reliable and high-performing OE replacement spark plug. It features a copper core center electrode that provides accurate control of heat range, ensuring optimal performance and fuel efficiency. The spark plug is built to ISO and SAE standards, ensuring proven performance and durability. The center electrode tip material is made of nickel, while the resistor type is designed to reduce electromagnetic interference. The tapered seat type ensures a secure fit and easy installation. Overall, the Champion Spark Plug Copper Plus Spark Plug RS9YC is a dependable choice for those seeking a high-quality spark plug replacement that delivers consistent performance and fuel efficiency.
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Built to ISO and SAE standards for proven performance
  • Built to ISO and SAE standards for proven performance
  • Dependable Performance: The Copper Plus Spark Plug is designed to provide reliable and consistent performance, ensuring that your vehicle runs smoothly and efficiently.
  • OE Replacement: This spark plug is an exact replacement for the original equipment (OE) part, ensuring a perfect fit and optimal performance.
  • Nickel Center Electrode Tip Material: The center electrode tip of this spark plug is made from nickel, which provides superior conductivity and durability compared to other materials.
  • Tapered Seat Type with Resistor: The tapered seat type of this spark plug ensures a secure fit in the engine block, while the built-in resistor helps reduce electromagnetic interference for improved performance.
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    Autolite Iridium – Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP103)

    Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition

    from

    $9.99
    Our best spark plug! 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.

    Product Features:
    • 0.6 mm finewire design improves ignitability
    • Patented V-trimmed platinum sidewire technology resists wear
    • OE equivalent design is engineered for every engine
    • Designed for better overall durability with virtually no gap erosion
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    ACDelco – Double Platinum Spark Plug (Part No.41-812)

    Double Platinum Spark Plug

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    $9.79
    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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    Carquest Premium – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.EBC1677)

    Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece

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    $72.99
    Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

    Product Features:
    • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
    • 100% pure copper precision-wound windings increase coil life and ensure reliability and maximum coil output when needed.
    • Highly conductive aluminum alloy secondary terminal guarantees secondary coil terminals will not oxidize (rust), will provide excellent conductivity, extended coil life and will not cause excessive stress on the primary control circuit.
    • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
    • 100% end-of-line tested to ensure confidence and product reliability, every time.
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    DENSO – Original Equipment Quality Direct Ignition Coil (Part No.673-6014)

    Original Equipment Quality Direct Ignition Coil

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    $101.99
    As the innovator and leader in stick coil technology DENSO has conducted superior testing and inspection processes to insure the highest quality ignition coil. Don’t be fooled by imitations – look for the DENSO name to be sure you’re getting the best.

    Product Features:
    • First Time Fit
    • Built to DENSO Original Equipment Standards
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    Carquest – Ignition Coil: Meets OE Specifications, 1 Count (Part No.26E1066)

    Ignition Coil: Meets OE Specifications, 1 Count

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    $83.99
    Carquest ignition coils meet original equipment (OE) fit, form and function and are built to ensure reliable starting and performance. Carquest ignition coils are tested to ensure proper spark and perfect fit for each application. These ignition coils are an affordable repair choice to restore the vehicle¿s ignition system performance. Carquest ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

    Product Features:
    • Long service life and durable performance
    • High dielectric strength for reliability
    • Corrosion-resistant connections
    • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
    • High reliability
    • Long service life
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    Carquest Premium – Ignition Coil: Meets or Exceeds OE Specifications, 1 Count (Part No.EBE1838)

    Ignition Coil: Meets or Exceeds OE Specifications, 1 Count

    from

    $99.99
    Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

    Product Features:
    • Built by IATF 16949 certified manufacturers for consistent durability
    • Coil drivers match OE for current limit, electrostatic discharge (ESD) protection and multi-spark
    • Segmented secondary bobbins to distribute high voltage and prevent shorting
    • Extensive design validation testing to ensure long-lasting reliability
    • 100% end-of-line tested to ensure proper performance
    • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
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    URO Parts – Ignition Coil (Part No.DAC4608)

    Ignition Coil

    from

    $30.49
    URO Parts has been a leading brand of replacement auto parts for European vehicles for more than thirty years. Affordable yet dedicated to quality, URO Parts controls its production process in strict accordance with ISO/TS 16949 QMS specifications and offers a wide variety of components used to restore or repair engine, electrical, drive train, braking, steering, suspension, climate control, cooling, exhaust, and fuel systems in classic to late-model German, British, and Scandinavian vehicles. Looking for parts that are even higher quality than original equipment? URO Parts engineers analyze common failures and identify weaknesses in original equipment parts when creating URO Premium components, which are superior to OE in performance and reliability thanks to improved materials and more robust designs. Thanks to high-quality, competitively-priced URO Parts and bulletproof URO Premium replacement components, owning a prestigious European vehicle is no longer an expensive luxury reserved for the elite and wealthy.

    Product Features:
    • Guaranteed fitment
    • Direct replacement for OE coil
    • Efficient coil design maximizes spark intensity while minimizing current draw
    • High-quality heat and ozone-resistant housing and boot materials
    • Factory tested for proper operation
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    Carquest Premium – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.EBC1527)

    Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece

    from

    $17.99
    Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

    Product Features:
    • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
    • 100% pure copper precision-wound windings increase coil life and ensure reliability and maximum coil output when needed.
    • Highly conductive aluminum alloy secondary terminal guarantees secondary coil terminals will not oxidize (rust), will provide excellent conductivity, extended coil life and will not cause excessive stress on the primary control circuit.
    • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
    • 100% end-of-line tested to ensure confidence and product reliability, every time.
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    Carquest Premium – Ignition Conversion Kit (Part No.CBA1740)

    Ignition Conversion Kit

    from

    $319.99
    Ignition Conversion Kit

    1978 Jaguar XJ12 Ignition and Tune-Up Products

    You count on your 1978 Jaguar XJ12 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Ignition and Tune-Up Products. With 25 Ignition and Tune-Up Products ranging in price from $2.99 to $319.99, you’re sure to find everything you need for your 1978 Jaguar XJ12.

    Brands matter. If you want to shop a specific Ignition and Tune-Up Products brand, we stock 10 different brands like NGK, Autolite, and Champion. 1978 Jaguar XJ12 Ignition and Tune-Up Products start as low as $2.99!

    One of the best ways to find top quality OEM or aftermarket Ignition and Tune-Up Products is by asking professionals. Short of that, you can shop with confidence thanks to our 109 extensive product reviews on 1978 Jaguar XJ12 Ignition and Tune-Up Products. Some of the top-rated Ignition and Tune-Up Products products we carry are Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration with 4.0 stars and Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IW20TT with 5.0 stars.

    Did we mention you can order your Ignition and Tune-Up Products from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Ignition and Tune-Up Products inventory for your 1978 Jaguar XJ12 below to get started!

    Top-Rated Ignition and Tune-Up Products Brands For Your 1978 Jaguar XJ12

    Trusted Ignition and Tune-Up Products OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1978 Jaguar XJ12 running right for years to come. In our inventory you’ll find brands like NGK, Autolite, Champion, and even more.

    Popular Dorman – Help Ignition and Tune-Up Products

    You’ll find popular Dorman – Help brand products across Spark Plugs. All are waiting to get your 1978 Jaguar XJ12 back on the road. Some of the top-rated Dorman – Help products in these categories are:

    Top-Rated NGK Ignition and Tune-Up Products


    If NGK are what you’re looking for, our inventory holds plenty. We stock NGK brand Ignition and Tune-Up Products for your 1978 Jaguar XJ12, and some of our most reviewed NGK parts include:

    FAQs for 1978 Jaguar XJ12 Ignition and Tune-Up Products

    What are the most purchased Ignition and Tune-Up Products for the 1978 Jaguar XJ12?

    Out of 25 Ignition and Tune-Up Products for the 1978 Jaguar XJ12, the most popular in our inventory are:

    What are the top-rated 1978 Jaguar XJ12 Ignition and Tune-Up Products?

    Top-rated Ignition and Tune-Up Products for your 1978 Jaguar XJ12 based on customer reviews/ratings are:
    Copper Plus Spark Plug: Dependable Performance, OE Replacement, RN9YC
    from $4.49
    (3)
    Copper Plus Spark Plug: Dependable Performance, OE Replacement, RN9YC
    “Exact fit. In stock. Good price. High quality.”