• 0
      items
      Your cart is empty

      Subtotal:$0.00

    :

    Clear
    Clear

          Genuine VW/Audi 022121117C - Engine Coolant Thermostat Housing (Lower)

          MPN: 022121117C
          The Genuine VW/Audi 022121117C Engine Coolant Thermostat Housing regulates coolant flow to prevent overheating. Designed for a perfect fit in select Audi models.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $137.49
          Out of stock

          Product Overview

          The Genuine VW/Audi Engine Coolant Thermostat Housing, part number 022121117C, is a vital component designed to keep your Audi engine operating at optimal temperatures. Crafted from high-quality materials, this thermostat housing ensures durability and reliability, making it an essential part for maintaining your vehicle's cooling system. Engineered to OEM standards, this thermostat housing fits seamlessly into your Audi's engine configuration, providing a hassle-free installation without the need for modifications. Its precision design guarantees a perfect fit, allowing your engine to operate efficiently and effectively protect against overheating, which can lead to severe engine damage. Choose Genuine VW/Audi 022121117C for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This Genuine VW/Audi 022121117C is equivalent to or replaces the following part numbers: 022 121 117 C, 022121117C.

          Vehicle Compatibility

          • Audi A3 Quattro 3.2 V6 (2005–2007)
          • Audi TT Quattro 3.2 V6 (2004–2006)

          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 Genuine VW/Audi 022121117C Engine Coolant Thermostat Housing do?

          The Engine Coolant Thermostat Housing regulates the flow of coolant to maintain the engine at the optimal operating temperature. It plays a crucial role in preventing overheating and ensuring efficient engine performance.

          How do I know if my Engine Coolant Thermostat Housing needs replacement?

          Common signs that the thermostat housing may need replacement include engine overheating, coolant leaks, erratic temperature gauge readings, and reduced engine performance.

          Can I install the Genuine VW/Audi 022121117C myself?

          Yes, the installation of the Genuine VW/Audi 022121117C Engine Coolant Thermostat Housing can be a DIY project for those with automotive experience. Ensure to follow proper guidelines and precautions to prevent any complications during the installation process.

          What are the symptoms of a faulty Engine Coolant Thermostat Housing?

          Symptoms may include engine overheating, coolant leaks, and fluctuating temperature readings. If you experience these issues, it is advisable to check the thermostat housing for potential failure.

          Why should I choose Genuine VW/Audi for my Engine Coolant Thermostat Housing needs?

          Genuine VW/Audi parts are trusted for their quality and reliability. Order Genuine VW/Audi 022121117C 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
              1392516
            • Weight
              0.79 lbs
            • Dimensions (L x W x H)
              6.092 x 3.2198 x 4.1365 in
            • Manufacturer Part #
              022121117C
          • Brand
            Genuine VW/Audi
          • Manufacturer
            Genuine VW/Audi
          • MPN
            022121117C
          • Part Type
            Engine Coolant Thermostat Housing
          • Position
            Lower
          • OE Part Numbers
            022 121 117 C, 022121117C
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          2004AudiTT QuattroBase (3.2 V6 GAS)
          2005AudiTT QuattroBase (3.2 V6 GAS)
          2006AudiTT QuattroSpecial Edition (3.2 V6 GAS)
          2006AudiTT QuattroBase (3.2 V6 GAS)
          2006AudiA3 QuattroBase (3.2 V6 GAS)
          2007AudiA3 QuattroBase (3.2 V6 GAS)
          Customer reviews
          Please sign in to add review
          There are no comments yet. Be the first to leave a comment

          We accept the following payment methods:

          Accepted payment methods

          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.

          Product questions

          No questions yet. Be the first to ask the question!