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          NTK AN0004 - Ambient Air Temperature Sensor

          MPN: AN0004
          The NTK AN0004 Ambient Air Temperature Sensor measures incoming air temperature for optimal fuel injection and ignition timing. Designed for select Saab models for reliable engine performance.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $15.25
          In stock

          Product Overview

          The NTK Ambient Air Temperature Sensor, part number AN0004, is an essential component for optimizing your Saab's engine performance. Engineered to meet OEM standards, this premium-grade sensor is designed to work seamlessly with various Saab models, ensuring accurate air temperature measurement and reliable signal transmission to the engine control module. This functionality aids in regulating fuel injection and ignition timing, resulting in enhanced fuel efficiency, reduced emissions, and overall improved engine performance. Choose NTK AN0004 for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This NTK AN0004 is equivalent to or replaces the following part numbers: BWD: WT5525, Echlin: TS57205, General Motors: 30565992, General Motors: 90477289, General Motors: 91522245, General Motors: 9152245, Saab: 46 161 73, Saab: 90 477 289, Saab: 91 522 45, Standard Motor Products: AX83.

          Vehicle Compatibility

          • Saab 9-3 2.0 L4 (2000–2005)
          • Saab 9-5 2.3 L4 (2000–2005)
          • Saab 9-5 3.0 V6 (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 NTK AN0004 Ambient Air Temperature Sensor do?

          The NTK Ambient Air Temperature Sensor measures the temperature of the incoming air, which is crucial for the engine control unit to adjust fuel injection and ignition timing. This ensures optimal engine performance and efficiency.

          How do I know if my Ambient Air Temperature Sensor needs replacement?

          Common symptoms that may indicate the need for a replacement include poor engine performance, increased fuel consumption, difficulty starting the engine, and the illumination of the check engine light.

          Can I install the NTK AN0004 myself?

          Yes, the installation of the NTK AN0004 is straightforward, allowing for DIY replacement. However, ensure you follow proper procedures to avoid any damage to your vehicle's engine system.

          What are the symptoms of a faulty Ambient Air Temperature Sensor?

          Symptoms may include erratic engine performance, poor fuel efficiency, and engine stalling. If you see DTCs such as P0113, P0112, or similar, it may indicate a failing Ambient Air Temperature Sensor.

          Why should I choose NTK for my Ambient Air Temperature Sensor needs?

          NTK is known for producing high-quality automotive components that meet OEM standards. Order NTK AN0004 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
              1798786
            • Weight
              0.03 lbs
            • Dimensions (L x W x H)
              1.5 x 1 x 2.625 in
            • Barcode
              00087295760130
            • Manufacturer Part #
              AN0004
          • Brand
            NTK
          • Manufacturer
            NTK
          • MPN
            AN0004
          • Part Type
            Ambient Air Temperature Sensor
          • OE Part Numbers
            91 522 45, 9152245, 46 161 73, 4616173, 90 477 289, 90477289
          • Cross Reference Numbers
            WT5525, TS57205, 90477289, 9152245, 91522245, 30565992, AX83
          • Features
            California Proposition 65 : WARNING: This product contains a chemical known to the State of California to cause Cancer and Reproductive Harm.
            Connector Gender : Female
            Connector Shape : Oblong
            Grade Type : Regular
            Material : Plastic
            Mounting Type : Push In
            Terminal Gender : Male
            Terminal Quantity : 2
            Terminal Type : Blade
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          1999Saab9-3Base (2.0 L4 GAS)Notes: Externally Mounted
          1999Saab9-3SE (2.0 L4 GAS)Notes: Externally Mounted
          1999Saab9-3Viggen (2.3 L4 GAS)Notes: Externally Mounted
          1999Saab9-5Base (2.3 L4 GAS)Notes: Internally Grounded
          1999Saab9-5SE (2.3 L4 GAS)Notes: Internally Grounded
          1999Saab9-5SE (3.0 V6 GAS)Notes: Internally Grounded
          2000Saab9-3Base (2.0 L4 GAS)Notes: Externally Mounted
          2000Saab9-3SE (2.0 L4 GAS)Notes: Externally Mounted
          2000Saab9-3Viggen (2.3 L4 GAS)Notes: Externally Mounted
          2000Saab9-52.3t (2.3 L4 GAS)Notes: Internally Grounded
          2000Saab9-5Aero (2.3 L4 GAS)Notes: Internally Grounded
          2000Saab9-5Gary Fisher (2.3 L4 GAS)Notes: Internally Grounded
          2000Saab9-5SE (3.0 V6 GAS)Notes: Internally Grounded
          2001Saab9-3Base (2.0 L4 GAS)Notes: Externally Mounted
          2001Saab9-3SE (2.0 L4 GAS)Notes: Externally Mounted
          2001Saab9-3Viggen (2.3 L4 GAS)Notes: Externally Mounted
          2001Saab9-5Aero (2.3 L4 GAS)Notes: Internally Grounded
          2002Saab9-3SE (2.0 L4 GAS)Notes: Externally Mounted
          2002Saab9-3Viggen (2.3 L4 GAS)Notes: Externally Mounted
          2002Saab9-5Linear (2.3 L4 GAS)Notes: Internally Grounded
          2002Saab9-5Aero (2.3 L4 GAS)Notes: Internally Grounded
          2003Saab9-3Linear (2.0 L4 GAS)Notes: Externally Mounted
          2003Saab9-5Linear (2.3 L4 GAS)Notes: Internally Grounded
          2003Saab9-5Aero (2.3 L4 GAS)Notes: Internally Grounded
          2004Saab9-3Linear (2.0 L4 GAS)Notes: Externally Mounted
          2004Saab9-3Arc (2.0 L4 GAS)Notes: Externally Mounted
          2004Saab9-3Aero (2.0 L4 GAS)Notes: Externally Mounted
          2004Saab9-5Linear (2.3 L4 GAS)Notes: Internally Grounded
          2004Saab9-5Arc (2.3 L4 GAS)Notes: Internally Grounded
          2004Saab9-5Aero (2.3 L4 GAS)Notes: Internally Grounded
          2005Saab9-3Aero (2.0 L4 GAS)Notes: Externally Mounted
          2005Saab9-3Arc (2.0 L4 GAS)Notes: Externally Mounted
          2005Saab9-3Linear (2.0 L4 GAS)Notes: Externally Mounted
          2005Saab9-5Linear (2.3 L4 GAS)Notes: Internally Grounded
          2005Saab9-5Arc (2.3 L4 GAS)Notes: Internally Grounded
          2005Saab9-5Aero (2.3 L4 GAS)Notes: Internally Grounded
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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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