HomeHVAC > Gaskets and Sealing SystemsFour Seasons 26812 A/C System O-Ring and Gasket Kit
Part #: 26812

Four Seasons 26812 A/C System O-Ring and Gasket Kit

AC System Seal Kit
⚙️ 28 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦AC System Seal Kit
🚗Fitment: Cadillac, CTS, SRX, and STS
🔄Easy Returns — Return within 60 days for a full refund
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Reliable A/C System Seal Kit for Cadillac CTS, SRX, and STS

The Four Seasons AC System Seal Kit 26812 provides essential sealing components designed specifically for Cadillac CTS, SRX, and STS models. This kit includes green rubber o-rings and gaskets engineered to maintain a secure and leak-free air conditioning system.

  • Includes green rubber O-rings and gaskets for effective sealing
  • Designed for Cadillac CTS, SRX, and STS A/C systems
  • Part number 26812 ensures correct fit and compatibility
  • O-ring and gasket style kit for comprehensive sealing needs
  • Compatible with HVAC gasket and sealing system repairs

About the Four Seasons AC System Seal Kit Line

The AC System Seal Kit line by Four Seasons focuses on providing complete sealing solutions for automotive air conditioning systems. These kits include high-quality O-rings and gaskets made from durable materials like green rubber to ensure long-lasting performance. The 26812 kit is part of this line, tailored to meet the sealing requirements of specific Cadillac models, helping maintain system integrity and prevent refrigerant leaks.

Detailed Product Description

This A/C System O-Ring and Gasket Kit features green rubber O-rings known for their resistance to refrigerants and oils commonly found in automotive air conditioning systems. The kit’s components are designed to replace worn or damaged seals in Cadillac CTS, SRX, and STS models, restoring proper sealing and preventing leaks. Using the correct part number 26812 ensures compatibility and proper fitment within the HVAC system, supporting efficient operation and system longevity.

Common Applications and Issues Addressed

  • Sealing leaks in the A/C system to prevent refrigerant loss
  • Replacing deteriorated or cracked O-rings and gaskets
  • Restoring proper pressure and performance in Cadillac CTS, SRX, and STS A/C units
  • Preventing moisture and contaminants from entering the HVAC system
  • Supporting maintenance and repair of HVAC gasket and sealing systems

Installation Notes and Tips

When installing the Four Seasons AC System Seal Kit 26812, ensure all old seals are fully removed and mating surfaces are clean and dry. Lubricate the green rubber 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. Proper installation helps maintain system pressure and prevents leaks.

Quality Assurance and Warranty

Four Seasons provides this AC System Seal Kit 26812 with a focus on material quality and fitment accuracy. The green rubber O-rings and gaskets are manufactured to meet OEM standards for durability and resistance to refrigerants. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.

BrandFour Seasons
Part Number26812
PositionAC System Seal Kit
DescriptionO-Ring & Gasket A/C System Seal Kit
MaterialGreen Rubber O-Rings
StyleO-Ring & Gasket Kit
TypeAC System Seal Kits

This part fits 28 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2013CadillacCTSN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
2013CadillacSRXN/AO-Ring and Gasket Seal Kit; w/ H6 Compressor; AC System Seal Kit
2012CadillacCTSN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
2012CadillacSRXN/AO-Ring and Gasket Seal Kit; w/ H6 Compressor; AC System Seal Kit
2011CadillacCTSN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
2011CadillacSRX3.0LV6N/AO-Ring and Gasket Seal Kit; w/ H6 Compressor; AC System Seal Kit
2011CadillacSTSN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
2010CadillacCTSN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
2010CadillacSRXN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
2010CadillacSTSN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
2009CadillacCTSN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
2009CadillacSRXN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
2009CadillacSTSN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
2008CadillacCTSN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
2008CadillacSRXN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
2008CadillacSTSN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
2007CadillacCTSN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
2007CadillacSRXN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
2007CadillacSTSN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
2006CadillacCTSN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
2006CadillacSRXN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
2006CadillacSTSN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
2005CadillacCTSN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
2005CadillacSRXN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
2005CadillacSTSN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
2004CadillacCTSN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
2004CadillacSRXN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
2003CadillacCTSN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket 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:

11126812132132926812801836A26812MT2557RS2557

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