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          Bosch 7992 - Spark Plug

          MPN: 7992
          The Bosch 7992 Spark Plug ensures efficient ignition in Porsche and Audi engines. Designed for durability, it supports reliable performance and easy installation.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $2.00
          In stock

          Product Overview

          The Bosch Spark Plug 7992 is a vital component for ensuring optimal engine performance in your European vehicle. Designed with precision engineering, this spark plug ignites the air-fuel mixture in your engine, driving the pistons and converting this energy into horsepower. A well-functioning spark plug is crucial for preventing power loss, misfires, and starting issues, making regular inspections and replacements essential for maintaining your vehicle's performance. Typical service intervals for standard copper tip spark plugs range between 10,000 and 30,000 miles. Bosch spark plugs are engineered to OEM standards, ensuring reliability and durability. When replacing your spark plugs, always consult your owner's manual for the correct part numbers and utilize dielectric grease for secure electrical connections. Choose Bosch 7992 for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This Bosch 7992 is equivalent to or replaces the following part numbers: 999 170 165 90, 999 170 179 90.

          Vehicle Compatibility

          • Porsche 944 S2 3.0 L4 (1990–1991)
          • Porsche 911 SC 3.0 H6 (1980–1983)
          • Porsche 911 S 2.7 H6 (1974–1977)
          • Porsche 911 Carrera 2.7 H6 (1975)
          • Porsche 911 Base 2.7 H6 (1974)
          • Audi 100 Series LS 1.9 L4 (1974–1977)
          • Porsche 911 E 2.2 H6 (1971)
          • Porsche 911 T 2.2 H6 (1970–1971)
          • Audi Super 90 Base 1.8 L4 (1969–1971)

          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 7992 Spark Plug do?

          The spark plug is responsible for igniting the air-fuel mixture in the engine's combustion chamber, which drives the pistons and generates power for your vehicle. Proper functioning of the spark plug is essential for engine efficiency and performance.

          How do I know if my Spark Plug needs replacement?

          Common signs of a failing spark plug include difficulty starting the engine, reduced fuel efficiency, engine misfires, rough idling, and a noticeable decrease in power or acceleration.

          Can I install the Bosch 7992 myself?

          Yes, you can install the Bosch 7992 yourself if you have basic automotive knowledge and tools. However, ensure you follow proper procedures to avoid damage and always consult your vehicle's manual for specific installation instructions.

          What are the symptoms of a faulty Spark Plug?

          Symptoms of a faulty spark plug include poor engine performance, increased fuel consumption, misfiring, and difficulty starting the vehicle. If you experience these issues, consider inspecting the Bosch 7992 spark plug for wear or damage.

          Why should I choose Bosch for my Spark Plug needs?

          Bosch is a trusted brand known for its high-quality automotive components. Order Bosch 7992 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
              235132
            • Weight
              0.1323 lbs
            • Dimensions (L x W x H)
              0.9449 x 1.063 x 3.5039 in
            • Barcode
              3165143134467
            • Manufacturer Part #
              7992
          • Brand
            Bosch
          • Manufacturer
            Bosch
          • MPN
            7992
          • Part Type
            Spark Plug
          • OE Part Numbers
            999 170 165 90, 99917016590, 999 170 179 90, 99917017990
          • Cross Reference Numbers
            WR5DC
          • Features
            Center Electrode Design : Standard
            Electrical Terminal Type : Removable Nut
            Ground Configuration : Standard
            Ground Electrode Core Material : N/A
            Ground Electrode Quantity : 1
            Ground Electrode Tip Design : Tapered v-profile
            Hex Size : 20.8
            Hex Type : Hex
            Indexed : No
            Insulator Material : Ceramic
            Insulator Type : Non-Projected
            Manufacturer Heat Range : 5
            Outdoor Power Equipment Application : No
            Package Contents : Spark Plug
            Package Quantity : 1
            Pre-Gap Size : .8
            Product Length : 3.165354 in
            Product Width : 0.937008 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
          1974Audi100 SeriesLS (1.9 L4 GAS)Notes: Gap 0.028 in, Original Center Electrode Material is Copper/Nickel
          1974Porsche911Base (2.7 H6 GAS)Notes: Gap 0.028 in, Original Center Electrode Material is Copper/Nickel
          1974Porsche911Carrera (2.7 H6 GAS)Notes: Gap 0.028 in, Original Center Electrode Material is Copper/Nickel
          1974Porsche911S (2.7 H6 GAS)Notes: Gap 0.028 in, Original Center Electrode Material is Copper/Nickel
          1975Audi100 SeriesLS (1.9 L4 GAS)Notes: Gap 0.028 in, Original Center Electrode Material is Copper/Nickel
          1975Porsche911Carrera (2.7 H6 GAS)Notes: Gap 0.028 in, Original Center Electrode Material is Copper/Nickel
          1975Porsche911S (2.7 H6 GAS)Notes: Gap 0.028 in, Original Center Electrode Material is Copper/Nickel
          1976Audi100 SeriesLS (1.9 L4 GAS)Notes: Gap 0.028 in, Original Center Electrode Material is Copper/Nickel
          1976Porsche911S (2.7 H6 GAS)Notes: Gap 0.028 in, Original Center Electrode Material is Copper/Nickel
          1977Audi100 SeriesLS (1.9 L4 GAS)Notes: Gap 0.028 in, Original Center Electrode Material is Copper/Nickel
          1977Porsche911S (2.7 H6 GAS)Notes: Gap 0.028 in, Original Center Electrode Material is Copper/Nickel
          1969AudiSuper 90Base (1.8 L4 GAS)Notes: Gap 0.028 in, Original Center Electrode Material is Copper/Nickel
          1969Porsche911E (2.0 H6 GAS)Notes: Gap 0.028 in, Original Center Electrode Material is Copper/Nickel
          1969Porsche911S (2.0 H6 GAS)Notes: Gap 0.028 in, Original Center Electrode Material is Copper/Nickel
          1969Porsche911T (2.0 H6 GAS)Notes: Gap 0.028 in, Original Center Electrode Material is Copper/Nickel
          1970AudiSuper 90Base (1.8 L4 GAS)Notes: Gap 0.028 in, Original Center Electrode Material is Copper/Nickel
          1970Porsche911E (2.2 H6 GAS)Notes: Gap 0.028 in, Original Center Electrode Material is Copper/Nickel
          1970Porsche911S (2.2 H6 GAS)Notes: Gap 0.028 in, Original Center Electrode Material is Copper/Nickel
          1970Porsche911T (2.2 H6 GAS)Notes: Gap 0.028 in, Original Center Electrode Material is Copper/Nickel
          1971AudiSuper 90Base (1.8 L4 GAS)Notes: Gap 0.028 in, Original Center Electrode Material is Copper/Nickel
          1971Porsche911E (2.2 H6 GAS)Notes: Gap 0.028 in, Original Center Electrode Material is Copper/Nickel
          1971Porsche911S (2.2 H6 GAS)Notes: Gap 0.028 in, Original Center Electrode Material is Copper/Nickel
          1971Porsche911T (2.2 H6 GAS)Notes: Gap 0.028 in, Original Center Electrode Material is Copper/Nickel
          1972AudiSuper 90Base (1.8 L4 GAS)Notes: Gap 0.028 in, Original Center Electrode Material is Copper/Nickel
          1980Porsche911SC (3.0 H6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1981Porsche911SC (3.0 H6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1982Porsche911SC (3.0 H6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1983Porsche911SC (3.0 H6 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1989Porsche944S2 (3.0 L4 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1990Porsche944S2 (3.0 L4 GAS)Notes: Original Center Electrode Material is Copper/Nickel
          1991Porsche944S2 (3.0 L4 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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