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          NGK FR5 - Spark Plug

          MPN: FR5
          The NGK FR5 Spark Plug ignites the air-fuel mixture in your Mercedes-Benz, ensuring optimal engine performance and efficiency. Designed for reliable operation and longevity.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $2.63
          In stock

          Product Overview

          Introducing the NGK V-Power Spark Plug FR5, a premium-grade component designed to enhance the performance of your Mercedes-Benz engine. Engineered to OEM standards, NGK spark plugs are recognized as the plug of choice in millions of vehicles worldwide. With features like a Triple-Gasket Sealing Process and consistent performance, these spark plugs ensure smooth operation and reliability for your vehicle. The spark plug is a crucial element in the combustion process, igniting the air-fuel mixture that propels your engine. If your spark plugs are worn or damaged, you may experience power loss, misfires, hesitation, or poor startup performance. Regular maintenance is essential, with typical service intervals for copper tip spark plugs ranging from 10,000 to 30,000 miles, while iridium and platinum options can last significantly longer. Always refer to your owner's manual for the correct part numbers and use dielectric grease for optimal performance.

          Choose NGK FR5 for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This NGK FR5 is equivalent to or replaces the following part numbers: ACDelco 41-602, ACDelco 41602, ACDelco FR2LS, ACDelco FR2LSK, Autolite 3924, Beck/Arnley 1765232, Bosch 7553, Bosch 7554, Bosch 7555, Bosch F7DC, Bosch FR6DCX, Bosch FR7DC, Bosch FRDCX, Champion Spark Plug 2071, Champion Spark Plug 2071-4, Motorcraft AGPR32C, Motorcraft AGSP32, Motorcraft AGSP32C, Motorcraft AGSP32CF4, Motorcraft AGSP33C, Motorcraft AGSP33CF4, Motorcraft SP406, Motorcraft SP445, NGK 7373.

          Vehicle Compatibility

          • Mercedes-Benz SLK230 Kompressor 2.3 L4 GAS (1998–2000)

          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 NGK FR5 Spark Plug do?

          The NGK Spark Plug is responsible for igniting the air-fuel mixture in your engine, providing the necessary spark to drive the pistons and convert that energy into horsepower. It plays a vital role in the overall performance and efficiency of your engine.

          How do I know if my Spark Plug needs replacement?

          Key indicators that your spark plug may need replacement include poor engine performance, difficulty starting the engine, misfires, decreased fuel efficiency, and a rough idle. Regular inspection can help you identify these issues early.

          Can I install the NGK FR5 myself?

          Yes, you can install the NGK FR5 Spark Plug yourself if you have basic automotive knowledge and tools. Ensure you follow proper installation procedures and use dielectric grease for optimal performance.

          What are the symptoms of a faulty Spark Plug?

          Common symptoms of a faulty spark plug include engine misfires, reduced power, rough idling, and difficulty starting the vehicle. If you notice these issues, it is advisable to inspect your spark plugs. If you see DTCs such as P0300, P0301, P0302, P0303, it may indicate a failing spark plug.

          Why should I choose NGK for my Spark Plug needs?

          NGK is a trusted brand known for its high-quality automotive components. Order NGK FR5 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
              136367
            • Manufacturer Part #
              FR5
          • Brand
            NGK
          • Manufacturer
            NGK
          • MPN
            FR5
          • Part Type
            Spark Plug
          • Cross Reference Numbers
            AGSP32C, AGSP32CF4, FR6DCX, AGPR32C, FR2LS, SP406, 1765232, 7373, AGSP33CF4, 41-602, 41602, 7555, 7553, 7554, AGSP32, 3924, FR2LSK, 2071, 2071-4, 20714, AGSP33C, F7DC, FR7DC, SP445, FRDCX
          • Features
            Center Electrode Core Material : Copper
            Center Electrode Tip Material : Nickel
            Electrical Terminal Type : Non-Removable Nut
            Ground Configuration : Standard
            Ground Electrode Core Material : Nickel
            Ground Electrode Quantity : 1
            Ground Electrode Tip Design : Standard
            Hex Size : 5/8
            Insulator Height : 50.50
            Manufacturer Heat Range : 5
            Part Number : FR5
            Pre-Gap Size : .040
            Reach : .75
            Resistance : 5000.0
            Seat Type : Flat
            Stock Number : 7373
            Thread Diameter : 14.00
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          1998Mercedes-BenzSLK230Kompressor (2.3 L4 GAS)Notes: Gap 0.039"
          1999Mercedes-BenzSLK230Kompressor (2.3 L4 GAS)Notes: Gap 0.039"
          2000Mercedes-BenzSLK230Kompressor (2.3 L4 GAS)Notes: Gap 0.039"
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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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