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          OEM 911-542-505-40 - Window Channel

          MPN: 911-542-505-40
          The OEM 911-542-505-40 Window Channel protects your Porsche from rain and debris while allowing smooth window operation. Designed for easy installation and lasting performance.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $11.67
          In stock

          Product Overview

          The OEM Window Channel Part Number 911-542-505-40 is an essential component for Porsche owners looking to maintain their vehicle's integrity and performance. Engineered to OEM standards, this premium-grade window channel provides a perfect fit and is crafted from high-quality materials to ensure durability and long-lasting performance. This window channel effectively prevents rain, wind, and debris from entering your vehicle, enhancing your driving experience regardless of the weather conditions. Its robust construction is designed to withstand harsh elements, making it a reliable solution for any Porsche model. Choose OEM 911-542-505-40 for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This OEM 911-542-505-40 is equivalent to or replaces the following part numbers: 911 542 505 40, 91154250540.

          Vehicle Compatibility

          • Porsche 911 Carrera 2 3.6 H6 (1990–1994)
          • Porsche 911 Carrera 4 3.6 H6 (1992–1994)
          • Porsche 911 Turbo Carrera 3.3 H6 (1989)
          • Porsche 911 Carrera 3.2 H6 (1988)
          • Porsche 911 SC 3.0 H6 (1980–1987)

          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 OEM 911-542-505-40 Window Channel do?

          The OEM Window Channel serves as a protective barrier that guides the window up and down, preventing water, wind, and debris from entering the vehicle. It plays a key role in maintaining the comfort and integrity of your Porsche's cabin.

          How do I know if my Window Channel needs replacement?

          Common signs that the window channel may need replacement include difficulty in window operation, visible wear or damage to the channel, and increased noise from wind or rain entering the vehicle.

          Can I install the OEM 911-542-505-40 myself?

          Yes, installation is straightforward, allowing you to easily replace the worn or damaged channel without the need for professional assistance. However, ensure to follow proper guidelines to avoid any complications.

          What are the symptoms of a faulty Window Channel?

          Symptoms of a faulty window channel include difficulty in raising or lowering the window, increased wind noise, and potential water leaks during rain. These issues can compromise your driving experience and the integrity of your vehicle's interior.

          Why should I choose OEM for my Window Channel needs?

          OEM provides superior quality and fitment for your vehicle. Order OEM 911-542-505-40 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
              1556798
            • Weight
              0.18 lbs
            • Dimensions (L x W x H)
              0.3 x 1 x 29 in
            • Manufacturer Part #
              911-542-505-40
          • Brand
            OEM
          • Manufacturer
            OEM
          • MPN
            911-542-505-40
          • Part Type
            Window Channel
          • OE Part Numbers
            911 542 505 40, 91154250540
          • Cross Reference Numbers
            91154250540
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          1978Porsche911SC (3.0 H6 GAS)Position: Left, Position: Right
          1979Porsche911SC (3.0 H6 GAS)Position: Left, Position: Right
          1980Porsche911SC (3.0 H6 GAS)Position: Left, Position: Right
          1981Porsche911SC (3.0 H6 GAS)Position: Left, Position: Right
          1982Porsche911SC (3.0 H6 GAS)Position: Left, Position: Right
          1983Porsche911SC (3.0 H6 GAS)Position: Left, Position: Right
          1984Porsche911Carrera (3.2 H6 GAS)Position: Left, Position: Right
          1985Porsche911Carrera (3.2 H6 GAS)Position: Left, Position: Right
          1986Porsche911Carrera (3.2 H6 GAS)Position: Left, Position: Right
          1987Porsche911Carrera (3.2 H6 GAS)Position: Left, Position: Right
          1987Porsche911Turbo Carrera (3.3 H6 GAS)Position: Left, Position: Right
          1988Porsche911Carrera (3.2 H6 GAS)Position: Left, Position: Right
          1988Porsche911Turbo Carrera (3.3 H6 GAS)Position: Left, Position: Right
          1989Porsche911Carrera (3.2 H6 GAS)Position: Left, Position: Right
          1989Porsche911Turbo Carrera (3.3 H6 GAS)Position: Left, Position: Right
          1990Porsche911Carrera 2 (3.6 H6 GAS)Position: Left, Position: Right
          1990Porsche911Carrera 4 (3.6 H6 GAS)Position: Left, Position: Right
          1991Porsche911Carrera 4 (3.6 H6 GAS)Position: Left, Position: Right
          1991Porsche911Carrera 2 (3.6 H6 GAS)Position: Left, Position: Right
          1992Porsche911Carrera 4 (3.6 H6 GAS)Position: Left, Position: Right
          1992Porsche911Carrera 2 (3.6 H6 GAS)Position: Left, Position: Right
          1993Porsche911Carrera 4 (3.6 H6 GAS)Position: Left, Position: Right
          1993Porsche911Carrera 2 (3.6 H6 GAS)Position: Left, Position: Right
          1994Porsche911Carrera 2 (3.6 H6 GAS)Position: Left, Position: Right
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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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