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          Bosch 8101 - Spark Plug

          MPN: 8101
          The Bosch 8101 Spark Plug ensures efficient combustion for improved engine power and performance. Designed to meet OEM standards for reliable operation.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $5.72
          In stock

          Product Overview

          The Bosch Spark Plug 8101 is designed to provide optimal performance for your vehicle's engine. As a critical component in igniting the air-fuel mixture, this spark plug ensures efficient combustion, leading to enhanced power output and engine performance. Whether you are a DIY enthusiast or a professional technician, choosing the right spark plug is essential for maintaining the health of your engine. Bosch is a trusted name in automotive parts, known for its premium-grade construction and reliability. Choose Bosch 8101 for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This Bosch 8101 is equivalent to or replaces the following part numbers: 0242231506, 0242231507, 0242231508, 0242231509.

          Vehicle Compatibility

          • Jaguar S-Type 4.2 V8 (2003–2007)
          • Jaguar Super V8 4.2 V8 (2006–2007)
          • Jaguar Vanden Plas 4.2 V8 (2004–2007)
          • Jaguar XJ8 4.0 V8 (2003–2007)
          • Jaguar XJR 4.0 V8 (2003–2007)
          • Jaguar XK8 4.0 V8 (2002–2006)
          • Jaguar XKR 4.0 V8 (2002–2006)
          • BMW 318i 1.9 L4 (1998–1999)
          • BMW 318ti 1.9 L4 (1997–1999)
          • BMW 540i 4.4 V8 (1998–2002)

          This may also fit other applications. Please use the vehicle selector tool to verify fitment.

          Why Shop at eEuroparts.com?

          • Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
          • Exclusive Kits That Fitâ„¢ - complete repair solutions with no guesswork
          • Fitment Confidence: Our accurate cataloging ensures you get the right part the first time.
          • Fast, Reliable Shipping: Orders ship quickly from our U.S.-based warehouses.
          • Transparent Pricing: Competitive prices with no hidden fees or surprise charges.
          • Established Trust: Serving the European auto community since 2000.

          Frequently Asked Questions

          What does the Bosch 8101 Spark Plug do?

          The spark plug is essential for igniting the air-fuel mixture in the engine, which drives the pistons and powers the vehicle. A properly functioning spark plug contributes to efficient combustion, improving overall engine performance and fuel efficiency.

          How do I know if my Spark Plug needs replacement?

          Look for symptoms such as engine misfires, poor acceleration, reduced fuel efficiency, difficulty starting the engine, or a rough idle. If you experience any of these issues, it may be time to replace your spark plugs.

          Can I install the Bosch 8101 myself?

          Yes, the Bosch 8101 can be installed by DIY enthusiasts. However, ensure that you follow proper procedures and use dielectric grease for a secure electrical connection during installation.

          What are the symptoms of a faulty Spark Plug?

          Common symptoms of a faulty spark plug include engine misfires, rough idling, difficulty starting, and poor acceleration. If you experience engine misfires, it may indicate a failing spark plug.

          Why should I choose Bosch for my Spark Plug needs?

          Bosch is a trusted name in automotive parts, known for quality and reliability. Order Bosch 8101 today for a factory-correct replacement that restores safety and performance.

          Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.

            • eEuroparts SKU
              235141
            • Weight
              0.1036 lbs
            • Dimensions (L x W x H)
              0.9449 x 1.063 x 3.5039 in
            • Barcode
              00028851034784
            • Manufacturer Part #
              8101
          • Brand
            Bosch
          • Manufacturer
            Bosch
          • MPN
            8101
          • Part Type
            Spark Plug
          • Features
            Center Electrode Design : Fine Wire
            Ground Configuration : Standard
            Ground Electrode Core Material : N/A
            Ground Electrode Quantity : 1
            Ground Electrode Tip Design : Standard
            Hex Size : 16
            Hex Type : Hex
            Indexed : No
            Insulator Material : Ceramic
            Insulator Type : Non-Projected
            Manufacturer Heat Range : 7
            Outdoor Power Equipment Application : No
            Package Contents : Spark Plug
            Package Quantity : 1
            Pre-Gap Size : 1.1
            Product Length : 2.988189 in
            Product Width : 0.748031 in
            Prop 65 Warning Label Required? : No
            Reach : 19
            Resistance : 6000
            Resistor : Yes
            Resistor Type : Yes
            Seat Type : Flat
            Short Style : No
            Spark Plug Type : 4-Cycle
            Thread Diameter : 14
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          2001JaguarVanden PlasBase (4.0 V8 GAS)Aspiration: Naturally Aspirated, Notes: Original Center Electrode Material is Platinum
          2001JaguarVanden PlasSC (4.0 V8 GAS)Aspiration: Naturally Aspirated, Notes: Original Center Electrode Material is Platinum
          2001JaguarXJ8Base (4.0 V8 GAS)Notes: Original Center Electrode Material is Platinum
          2001JaguarXJ8L (4.0 V8 GAS)Notes: Original Center Electrode Material is Platinum
          2001JaguarXJRBase (4.0 V8 GAS)Notes: Original Center Electrode Material is Platinum
          2001JaguarXKRBase (4.0 V8 GAS)Notes: Original Center Electrode Material is Platinum
          2001JaguarXKRSilverstone (4.0 V8 GAS)Notes: Original Center Electrode Material is Platinum
          1998JaguarXJRBase (4.0 V8 GAS)Notes: Original Center Electrode Material is Platinum
          1999JaguarXJRBase (4.0 V8 GAS)Notes: Original Center Electrode Material is Platinum
          2000JaguarXJRBase (4.0 V8 GAS)Notes: Original Center Electrode Material is Platinum
          2000JaguarXKRBase (4.0 V8 GAS)Notes: Original Center Electrode Material is Platinum
          2002JaguarXKR100 (4.0 V8 GAS)Notes: Original Center Electrode Material is Platinum
          2002JaguarXKRBase (4.0 V8 GAS)Notes: Original Center Electrode Material is Platinum
          1995JaguarVanden PlasBase (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1995JaguarXJ6Base (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1995JaguarXJRBase (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1995JaguarXJS2+2 (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1995JaguarXJSBase (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1996JaguarVanden PlasBase (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1996JaguarXJ6Base (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1996JaguarXJRBase (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1996JaguarXJS2+2 (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1997JaguarVanden PlasBase (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1997JaguarXJ6Base (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1997JaguarXJ6L (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1997JaguarXJRBase (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1988JaguarVanden PlasBase (3.6 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1988JaguarXJ6Base (3.6 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1989JaguarVanden PlasBase (3.6 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1989JaguarVanden PlasMajestic (3.6 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1989JaguarXJ6Base (3.6 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1990JaguarVanden PlasBase (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1990JaguarVanden PlasMajestic (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1990JaguarXJ6Base (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1990JaguarXJ6Sovereign (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1991JaguarVanden PlasBase (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1991JaguarXJ6Base (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1991JaguarXJ6Sovereign (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1992JaguarVanden PlasBase (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1992JaguarVanden PlasMajestic (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1992JaguarXJ6Base (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1992JaguarXJ6Sovereign (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1993JaguarVanden PlasBase (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1993JaguarXJ6Base (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1993JaguarXJ6Sovereign (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1993JaguarXJSBase (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1994JaguarVanden PlasBase (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1994JaguarXJ6Base (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1994JaguarXJS2+2 (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1994JaguarXJSBase (4.0 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1986JaguarVanden PlasBase (4.2 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1986JaguarXJ6Base (4.2 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1987JaguarVanden PlasBase (4.2 L6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1980JaguarXJSBase (5.3 V12 GAS)Notes: Original Center Electrode Material is Copper/Nickel
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          Warranty Overview

          At eEuroparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.

          Standard Warranty – Most Parts

          • Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.

          • Protection: Defects in materials or workmanship under normal personal use.

          • Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.

          • Exclusions:

            • Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)

            • Commercial, fleet, rideshare, off-road, or racing use

            • Improper installation, misuse, accidents, or modifications

          • Not Covered: Labor, shipping, towing, or incidental costs.

          Bison Performance Warranty – Our House Brand

          • Coverage: Limited Lifetime Warranty for as long as you own your vehicle.

          • Applies To: All products sold under the Bison Performance label.

          • Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.

          • Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).

          • What’s Included: Replacement of the defective product (labor and shipping excluded).

          Warranty Claim Requirements

          To keep claims fast and fair, we require:

          • Proof of purchase (invoice or order confirmation).

          • Photos or videos showing the defective part, order number, date, VIN, and odometer reading.

          • Diagnostic reports or part returns for non-visible issues may be requested.

          • Claims must be truthful, properly documented, and reflect normal consumer use.

          Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.

          For full details and exclusions, please see our complete Warranty Terms & Conditions.

          This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.

          Return Policy Overview

          Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
          To start a return, contact customer support via Chat or Contact Us.

          • Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)

          • Refunds: Issued to your original payment method within 3–5 business days after inspection

          • Exchanges: Not automatic — please return and reorder

          • Replacements: May be approved for incorrect or defective items reported within 7 days

          Not returnable:

          • Used or installed parts

          • Electrical components

          • Opened filter kits, gaskets, or contaminated items

          • Final sale or custom orders

          Important Notes:

          • Return shipping is your responsibility unless we made a verified error

          • Fitment is the customer’s responsibility (we can assist, but do not guarantee)

          • Country of origin may vary and is not grounds for return

          For complete details, please see our full Return Policy.


          This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.

          Fast, Reliable Shipping — Straight to Your Door

          We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.

          • We use trusted carriers like UPS, FedEx, and USPS.

          • Tracking info is emailed to you as soon as your order ships.

          • Delivery estimates at checkout are based on carrier data, but not guaranteed.

          Need help with a shipment?

          If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.

          For complete details, please see our full Shipping Policy.


          This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.

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