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          Rein ACR0012R - A/C Line O-Ring

          MPN: ACR0012R
          The Rein ACR0012R A/C Line O-Ring ensures a tight seal in your Porsche's air conditioning system, preventing leaks and maintaining efficiency. Designed for reliable performance.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $0.12
          Out of stock

          Product Overview

          The Rein A/C O-Ring (part number ACR0012R) is a premium-quality replacement part designed specifically for various Porsche models. Engineered to OEM standards, this A/C O-Ring is the perfect solution for Porsche owners looking to ensure a leak-free air conditioning system. Its seamless compatibility with part number 999 707 434 41 makes it a trustworthy option for those needing to replace worn or damaged A/C line O-rings. Constructed from high-grade materials, the Rein A/C O-Ring is resistant to wear and tear, ensuring long-lasting durability and reliable performance. This part not only meets all OEM specifications but also provides an easy installation experience, making it suitable for both novice mechanics and seasoned technicians alike. Choose Rein ACR0012R for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This Rein ACR0012R is equivalent to or replaces the following part numbers: 999 707 434 41

          Vehicle Compatibility

          This part fits some of the popular models below. For Fitment Confidence, please use the vehicle selector tool above to verify exact compatibility.

          • Porsche 911 Turbo 3.6 H6 (1997–2003)
          • Porsche 911 Carrera 3.4 H6 (2001–2003)
          • Porsche 911 Carrera 4 3.6 H6 (1997–2003)
          • Porsche 911 Carrera 4S 3.6 H6 (1998–2003)
          • Porsche 911 GT2 3.6 H6 (2002–2003)
          • Porsche Boxster Roadster S 3.2 H6 (2001–2003)
          • Porsche Boxster Roadster 2.7 H6 (2000–2003)
          • Porsche 928 GTS 5.4 V8 (1995–1997)
          • Porsche 911 Targa 3.6 H6 (1996–2003)
          • Porsche 911 Speedster 3.6 H6 (1994)

          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 Fit - 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 Rein ACR0012R A/C Line O-Ring do?

          The A/C O-Ring plays a crucial role in maintaining the integrity of your vehicle's air conditioning system by creating a tight seal between components, preventing refrigerant leaks and ensuring efficient operation.

          How do I know if my A/C Line O-Ring needs replacement?

          Common signs that the A/C O-Ring may need replacement include reduced air conditioning efficiency, visible refrigerant leaks around the A/C components, and unusual noises from the A/C system when in operation.

          Can I install the Rein ACR0012R myself?

          Yes, the Rein ACR0012R A/C O-Ring can be installed by DIY enthusiasts. However, ensure to follow proper procedures and guidelines to avoid any potential issues during installation.

          What are the symptoms of a faulty A/C Line O-Ring?

          Symptoms of a faulty A/C Line O-Ring include decreased cooling performance from the A/C system, presence of refrigerant oil around the A/C lines, and intermittent operation of the air conditioning system.

          Why should I choose Rein for my A/C Line O-Ring needs?

          Rein is known for its high-quality automotive parts that meet or exceed OEM standards. Order Rein ACR0012R 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
              661529
            • Weight
              0.03 lbs
            • Barcode
              843266023419
            • Manufacturer Part #
              ACR0012R
          • Brand
            Rein
          • Manufacturer
            Rein
          • MPN
            ACR0012R
          • Part Type
            A/C Line O-Ring
          • OE Part Numbers
            999 707 434 41, 99970743441
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          2003PorscheBoxsterRoadster (2.7 H6 GAS)Notes: 10.5x2mm
          2003PorscheBoxsterRoadster S (3.2 H6 GAS)Notes: 10.5x2mm
          2003Porsche911Carrera (3.6 H6 GAS)Notes: 10.5x2mm
          2003Porsche911Carrera 4 (3.6 H6 GAS)Notes: 10.5x2mm
          2003Porsche911Carrera 4S (3.6 H6 GAS)Notes: 10.5x2mm
          2003Porsche911GT2 (3.6 H6 GAS)Notes: 10.5x2mm
          2003Porsche911Turbo (3.6 H6 GAS)Notes: 10.5x2mm
          2002PorscheBoxsterRoadster (2.7 H6 GAS)Notes: 10.5x2mm
          2002PorscheBoxsterRoadster S (3.2 H6 GAS)Notes: 10.5x2mm
          2002Porsche911Carrera (3.6 H6 GAS)Notes: 10.5x2mm
          2002Porsche911Carrera 4 (3.6 H6 GAS)Notes: 10.5x2mm
          2002Porsche911Carrera 4S (3.6 H6 GAS)Notes: 10.5x2mm
          2002Porsche911GT2 (3.6 H6 GAS)Notes: 10.5x2mm
          2002Porsche911Targa (3.6 H6 GAS)Notes: 10.5x2mm
          2002Porsche911Turbo (3.6 H6 GAS)Notes: 10.5x2mm
          2001PorscheBoxsterRoadster (2.7 H6 GAS)Notes: 10.5x2mm
          2001PorscheBoxsterRoadster S (3.2 H6 GAS)Notes: 10.5x2mm
          2001Porsche911Carrera (3.4 H6 GAS)Notes: 10.5x2mm
          2001Porsche911Carrera 4 (3.4 H6 GAS)Notes: 10.5x2mm
          2001Porsche911Turbo (3.6 H6 GAS)Notes: 10.5x2mm
          2000PorscheBoxsterRoadster (2.7 H6 GAS)Notes: 10.5x2mm
          2000PorscheBoxsterRoadster S (3.2 H6 GAS)Notes: 10.5x2mm
          2000Porsche911Carrera (3.4 H6 GAS)Notes: 10.5x2mm
          2000Porsche911Carrera 4 (3.4 H6 GAS)Notes: 10.5x2mm
          1999PorscheBoxsterBase (2.5 H6 GAS)Notes: 10.5x2mm
          1999Porsche911Carrera (3.4 H6 GAS)Notes: 10.5x2mm
          1999Porsche911Carrera 4 (3.4 H6 GAS)Notes: 10.5x2mm
          1998PorscheBoxsterBase (2.5 H6 GAS)Notes: 10.5x2mm
          1998Porsche911Carrera (3.6 H6 GAS)Notes: 10.5x2mm
          1998Porsche911Carrera 4 (3.6 H6 GAS)Notes: 10.5x2mm
          1998Porsche911Carrera 4S (3.6 H6 GAS)Notes: 10.5x2mm
          1998Porsche911Carrera S (3.6 H6 GAS)Notes: 10.5x2mm
          1998Porsche911Targa (3.6 H6 GAS)Notes: 10.5x2mm
          1997PorscheBoxsterBase (2.5 H6 GAS)Notes: 10.5x2mm
          1997Porsche911Carrera (3.6 H6 GAS)Notes: 10.5x2mm
          1997Porsche911Carrera 4 (3.6 H6 GAS)Notes: 10.5x2mm
          1997Porsche911Carrera 4S (3.6 H6 GAS)Notes: 10.5x2mm
          1997Porsche911Targa (3.6 H6 GAS)Notes: 10.5x2mm
          1997Porsche911Turbo (3.6 H6 GAS)Notes: 10.5x2mm
          1996Porsche911Carrera (3.6 H6 GAS)Notes: 10.5x2mm
          1996Porsche911Carrera 4 (3.6 H6 GAS)Notes: 10.5x2mm
          1996Porsche911Carrera 4S (3.6 H6 GAS)Notes: 10.5x2mm
          1996Porsche911Targa (3.6 H6 GAS)Notes: 10.5x2mm
          1996Porsche911Turbo (3.6 H6 GAS)Notes: 10.5x2mm
          1995Porsche911Carrera (3.6 H6 GAS)Notes: 10.5x2mm
          1995Porsche911Carrera 4 (3.6 H6 GAS)Notes: 10.5x2mm
          1995Porsche928GTS (5.4 V8 GAS)Notes: 10.5x2mm
          1994Porsche911Carrera 2 (3.6 H6 GAS)Notes: 10.5x2mm
          1994Porsche911Carrera 4 (3.6 H6 GAS)Notes: 10.5x2mm
          1994Porsche911RS America (3.6 H6 GAS)Notes: 10.5x2mm
          1994Porsche911Speedster (3.6 H6 GAS)Notes: 10.5x2mm
          1994Porsche911Turbo 3.6 (3.6 H6 GAS)Notes: 10.5x2mm
          1994Porsche928GTS (5.4 V8 GAS)Notes: 10.5x2mm
          1993Porsche928GTS (5.4 V8 GAS)Notes: 10.5x2mm
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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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