HomeHVAC > Gaskets and Sealing SystemsFour Seasons 26028 A/C System O-Ring and Gasket Kit
Part #: 26028

Four Seasons 26028 A/C System O-Ring and Gasket Kit

AC System Seal Kit
⚙️ 16 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦AC System Seal Kit
🚗Fitment: Mercedes-Benz, R320, R350, R500, R550, and R63 AMG
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Sealing for Mercedes-Benz A/C Systems

The Four Seasons AC System Seal Kit 26028 provides essential O-rings and gaskets designed to maintain the integrity of your vehicle's air conditioning system. Specifically compatible with Mercedes-Benz models such as the R63 AMG, R320, R350, R500, and R550, this kit ensures a proper seal to prevent leaks and maintain optimal A/C performance.

Key Features of the Four Seasons AC System Seal Kit 26028

  • Complete O-ring and gasket kit tailored for A/C system sealing
  • Compatible with Mercedes-Benz R63 AMG, R320, R350, R500, and R550 models
  • Part of the Four Seasons AC System Seal Kit product line
  • Designed to prevent refrigerant leaks and maintain system pressure
  • Includes all necessary seals for effective HVAC system maintenance

About the Four Seasons AC System Seal Kit Product Line

The AC System Seal Kit line from Four Seasons focuses on providing comprehensive sealing solutions for automotive air conditioning systems. These kits include precision-engineered O-rings and gaskets that meet OEM specifications to ensure a secure fit and reliable performance. The 26028 kit is part of this line, offering a targeted solution for Mercedes-Benz A/C system maintenance and repair.

Detailed Product Description

The Four Seasons AC System Seal Kit 26028 contains a selection of O-rings and gaskets specifically designed for the air conditioning systems of select Mercedes-Benz vehicles. These components are critical for maintaining a leak-free environment within the HVAC system, helping to preserve refrigerant levels and system efficiency. Using this kit during A/C repairs or maintenance helps restore proper sealing surfaces and prevents future leaks caused by worn or damaged seals.

Common Applications and Issues Addressed

  • Replacement of worn or damaged A/C system O-rings and gaskets
  • Prevention of refrigerant leaks in Mercedes-Benz R63 AMG, R320, R350, R500, and R550 models
  • Restoring proper system pressure and A/C performance
  • Sealing connections after component replacement or system service
  • Reducing the risk of contamination entering the HVAC system

Installation Notes and Tips

When installing the Four Seasons AC System Seal Kit 26028, ensure all old seals are fully removed and sealing surfaces are clean and free of debris. Lubricate O-rings with the appropriate refrigerant oil to prevent damage during assembly. Verify correct placement of each gasket and O-ring according to the vehicle’s service manual to maintain system integrity.

Quality Assurance and Warranty

Four Seasons manufactures the AC System Seal Kit 26028 to meet industry standards for durability and fitment. While specific warranty details are not provided, Four Seasons products are generally backed by quality controls to ensure reliable performance in HVAC sealing applications.

BrandFour Seasons
Part Number26028
PositionAC System Seal Kit
DescriptionO-ring & gasket a/c system seal kit
StyleO-ring & gasket kit
TypeAc system seal kits

This part fits 16 vehicles. Search below:

YearMakeModelPositionNotes
2013Mercedes-BenzR350N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2012Mercedes-BenzR350N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2011Mercedes-BenzR350N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2010Mercedes-BenzR350N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2009Mercedes-BenzR320N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2009Mercedes-BenzR350N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2008Mercedes-BenzR320N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2008Mercedes-BenzR350N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2008Mercedes-BenzR500N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2008Mercedes-BenzR550N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2007Mercedes-BenzR320N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2007Mercedes-BenzR350N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2007Mercedes-BenzR500N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2007Mercedes-BenzR63 AMGN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2006Mercedes-BenzR350N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2006Mercedes-BenzR500N/AO-Ring and Gasket Seal Kit; AC System Seal Kit

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

26028407854MT2758

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.