HomeHVAC > Gaskets and Sealing SystemsFour Seasons 26774 A/C System O-Ring and Gasket Kit
Part #: 26774

Four Seasons 26774 A/C System O-Ring and Gasket Kit

AC System Seal Kit
⚙️ 34 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦AC System Seal Kit
🚗Fitment: BMW, 325e, 325, 325es, 318i, 524td, 528e, 535i, 635CSi, 735i, 533i, 633CSi, 733i, 320i, 528i, 530i, 630CSi, 2002, and 3.0Si
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Reliable Sealing for BMW A/C Systems

The Four Seasons AC System Seal Kit 26774 provides essential sealing components designed specifically for BMW models such as the 318i, 320i, 325i, and 535i. This kit includes green rubber O-rings and gaskets engineered to maintain a secure, leak-free air conditioning system.

  • Includes green rubber O-rings and gaskets for durable sealing
  • Compatible with multiple BMW models including 318i, 320i, 325e, 528i, and 635CSi
  • Part number 26774 ensures precise fit and function
  • Designed for use in automotive HVAC gasket and sealing systems
  • Part of the Four Seasons AC System Seal Kit product line

About the Four Seasons AC System Seal Kit Line

The AC System Seal Kit line by Four Seasons focuses on providing comprehensive 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 and prevent refrigerant leaks. The 26774 kit is tailored for BMW vehicles, offering a reliable option for maintaining system integrity during repairs or maintenance.

Product Details and Specifications

This A/C system seal kit contains green rubber O-rings and gaskets designed to replace worn or damaged seals in BMW air conditioning systems. The green rubber material offers resistance to refrigerants and oils commonly found in automotive HVAC systems, helping to maintain a tight seal and prevent leaks. The kit is compatible with a range of BMW models including the 318i, 320i, 325e, 325is, 524td, 528e, 530i, 533i, 535i, 635CSi, and 735i, ensuring proper fitment and reliable performance.

Common Applications and Issues Addressed

  • Sealing leaks in BMW 318i and 320i A/C systems
  • Replacing worn O-rings in 325i and 528i air conditioning units
  • Preventing refrigerant loss in 535i and 635CSi HVAC components
  • Restoring system pressure and efficiency in 524td and 530i models
  • Maintaining proper gasket sealing in 735i A/C systems

Installation Notes and Tips

When installing the Four Seasons AC System Seal Kit 26774, ensure all old seals and debris are thoroughly cleaned from mating surfaces. Lubricate the green rubber O-rings with the appropriate refrigerant oil to prevent damage during assembly. Verify compatibility with your specific BMW model before installation. Proper torque specifications should be followed to avoid over-compression of the seals.

Quality Assurance and Warranty

Four Seasons provides quality-tested sealing components designed to meet OEM standards for durability and performance. The AC System Seal Kit 26774 undergoes rigorous quality control to ensure reliable sealing in BMW air conditioning systems. Warranty details are available through Four Seasons and typically cover defects in material and workmanship under normal use.

BrandFour Seasons
Part Number26774
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 34 vehicles. Search below:

YearMakeModelPositionNotes
1987BMW325eN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1987BMW325esN/Aw/o Manifold; AC System Seal Kit
1987BMW325iN/Aw/o Manifold; AC System Seal Kit
1987BMW325isN/Aw/o Manifold; AC System Seal Kit
1986BMW325eN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1986BMW325esN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1985BMW318iN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1985BMW325eN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1985BMW524tdN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1985BMW528eN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1985BMW535iN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1985BMW635CSiN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1985BMW735iN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1984BMW318iN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1984BMW325eN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1984BMW528eN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1984BMW533iN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1983BMW320iN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1983BMW528eN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1983BMW533iN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1982BMW320iN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1982BMW528eN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1981BMW320iN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1981BMW528iN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1980BMW320iN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1980BMW528iN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1979BMW320iN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1979BMW528iN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1978BMW320iN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1978BMW530iN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1977BMW320iN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1977BMW530iN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1976BMW530iN/APlease confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit
1975BMW530iN/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:

11126774132130826774801795908075A12635MT2642RS2642

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