Genuine OEM 7H0820896 - A/C Refrigerant Line O-Ring

Product Overview

The Genuine OEM 7H0820896 A/C refrigerant line O-ring is a factory-specification replacement seal designed for Volkswagen models from 2015 onward, including the MK7 and MK8 Golf, GTI, Golf R, Golf SportWagen, Golf Alltrack, e-Golf, Tiguan, and Taos. This small but critical component prevents refrigerant leakage at the connection points within your air conditioning system, maintaining proper cooling performance and system integrity. As a Genuine OEM part, it matches the exact material composition and dimensions specified by Volkswagen, ensuring reliable fitment and performance on your vehicle.

This O-ring is a single replacement component. Depending on your repair scope, you may need multiple O-rings if servicing multiple A/C line connections.

Cross Reference Numbers

This Genuine OEM 7H0820896 is equivalent to or replaces the following part numbers: 7H0820896.

Vehicle Compatibility

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

• Volkswagen Golf 1.8 L4 Gas (MK7): 2015
• Volkswagen Golf 1.4 L4 Gas (MK7): 2019–2020
• Volkswagen Golf R 2.0 L4 Gas (MK7): 2015, 2017, 2022–2023
• Volkswagen GTI 2.0 L4 Gas (MK7): 2016–2019, 2021–2024
• Volkswagen Golf SportWagen 1.8 L4 Gas (MK7): 2015–2017
• Volkswagen Golf SportWagen 1.4 L4 Gas (MK7): 2019
• Volkswagen Golf SportWagen 2.0 L4 Diesel (MK7): 2015
• Volkswagen Golf Alltrack 1.8 L4 Gas (MK7): 2018
• Volkswagen e-Golf BEV (MK7): 2015–2018
• Volkswagen Tiguan 2.0 L4 Gas (AD): 2018–2025
• Volkswagen Taos 1.5 L4 Gas: 2022–2025
• Volkswagen Atlas Cross Sport 2.0 L4 Gas: 2025

This may also fit other applications. Please use the vehicle selector tool to verify fitment.

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Frequently Asked Questions

How do I know if my Volkswagen Golf or Tiguan needs a new A/C refrigerant line O-ring?

The most common sign of a failing O-ring is a slow refrigerant leak, which may manifest as reduced cooling performance or a hissing sound when the air conditioning compressor engages. You may also notice oily residue around the A/C line connections, which indicates refrigerant seeping past the seal. If your vehicle's air conditioning is blowing warm air despite the compressor running, a refrigerant leak from a worn O-ring is a likely culprit. A professional technician can perform a pressure test or dye injection to pinpoint the leak location.

Why should I replace A/C O-rings when servicing the refrigerant lines?

O-rings degrade over time due to exposure to refrigerant, temperature cycling, and vibration. Even if an O-ring appears intact, it may have lost its elasticity and sealing capability. Replacing O-rings whenever you disconnect an A/C line prevents future leaks and avoids the cost and hassle of repeat repairs. This is especially important on older Volkswagen models that have been in service for many years.

How many O-rings do I need for a complete A/C system refresh?

The number of O-rings required depends on which components you are servicing. A typical A/C system has multiple connection points, such as at the compressor inlet and outlet, condenser, evaporator, and receiver-drier. If you are replacing multiple lines or performing a full system flush, you may need several O-rings. Consult your service manual or contact our fitment team to determine the exact quantity for your specific repair scope.

Can I reuse the old O-ring, or must it be replaced?

O-rings should always be replaced when A/C lines are disconnected. Once removed, an O-ring loses its compression set and ability to seal reliably. Reusing an old O-ring risks refrigerant leakage, which compromises cooling and can damage the compressor. Using a fresh Genuine OEM O-ring ensures a proper seal and long-term system reliability.

Is this Genuine OEM part compatible with aftermarket A/C components?

Yes, this Genuine OEM O-ring is a universal replacement seal that works with both OEM and quality aftermarket A/C components. However, for the best results and warranty coverage, we recommend using Genuine OEM seals throughout your A/C system. If you are unsure about compatibility with a specific component, our fitment team can help clarify.

What is the difference between this Genuine OEM O-ring and aftermarket alternatives?

Genuine OEM O-rings are manufactured to Volkswagen's exact specifications for material hardness, elasticity, and chemical resistance to refrigerant. Aftermarket O-rings may vary in composition and durability, potentially leading to premature failure or compatibility issues. Choosing Genuine OEM ensures you are installing the same seal that Volkswagen engineers specified for your vehicle, backed by factory quality standards and dealer warranty support.

Order Genuine OEM 7H0820896 today to restore your Volkswagen's air conditioning system to factory-spec performance. In-stock orders ship same or next business day from our U.S. warehouse, and our fitment team is one call away if you need help confirming the right part for your Golf, GTI, Tiguan, or Taos.

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.