OE Quality
60-Day Returns

Four Seasons 26734 A/C System O-Ring and Gasket Kit
Reliable A/C System Seal Kit for Buick, Chevrolet, Oldsmobile, and Pontiac
The Four Seasons AC System Seal Kit 26734 provides essential sealing components designed to maintain the integrity of your vehicle's air conditioning system. This kit includes green O-rings and black aluminum gaskets engineered for durability and proper fitment in select Buick, Chevrolet, Oldsmobile, and Pontiac models.
- Includes green O-rings and black aluminum gaskets for effective sealing
- Compatible with Buick Achieva, Chevrolet Caprice, Commercial Chassis, Corsica, Firefly, Grand Am, and Pontiac Skylark
- Part number 26734 ensures correct identification and fit
- Designed to prevent refrigerant leaks and maintain system pressure
- Part of the Four Seasons AC System Seal Kit product line for HVAC sealing solutions
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 HVAC systems. These kits include carefully selected O-rings and gaskets made from materials suited to withstand the pressures and temperatures of air conditioning systems. The 26734 kit is tailored to fit specific GM makes and models, ensuring reliable sealing performance and compatibility.
Detailed Product Description
This A/C system seal kit features green O-rings and black aluminum gaskets designed to replace worn or damaged seals in your vehicle's air conditioning system. The materials used are selected for their resistance to refrigerants and oils commonly found in automotive HVAC systems. The kit is specifically compatible with Buick Achieva, Chevrolet Caprice, Commercial Chassis, Corsica, Firefly, Grand Am, and Pontiac Skylark models, providing a precise fit to maintain system integrity and prevent leaks.
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 system pressure for efficient cooling
- Preventing contamination from external debris and moisture
- Maintaining HVAC system reliability in Buick, Chevrolet, Oldsmobile, and Pontiac vehicles
Installation Notes and Tips
- Ensure all old seals and gaskets are fully removed before installation
- Lubricate O-rings with appropriate refrigerant oil to prevent damage during assembly
- Verify compatibility with your specific vehicle make and model before installation
- Inspect mating surfaces for damage or debris to ensure a proper seal
- Tighten connections to manufacturer torque specifications to avoid leaks
Quality Assurance and Warranty
Four Seasons provides this AC System Seal Kit 26734 with quality materials designed for durability and performance in automotive HVAC applications. While specific warranty details are not provided here, Four Seasons products typically meet industry standards for reliability and fitment. Using genuine Four Seasons components helps maintain the integrity of your vehicle's air conditioning system.
| Brand | Four Seasons |
| Part Number | 26734 |
| Position | AC System Seal Kit |
| Description | O-Ring & Gasket A/C System Seal Kit |
| Material | Green O-Rings, Black Aluminum Gaskets |
| Style | O-Ring & Gasket Kit |
| Type | AC System Seal Kits |
This part fits 41 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2000 | Pontiac | Firefly | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1999 | Pontiac | Firefly | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1998 | Buick | Skylark | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1998 | Oldsmobile | Achieva | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1998 | Pontiac | Firefly | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1998 | Pontiac | Grand Am | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1997 | Buick | Skylark | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1997 | Oldsmobile | Achieva | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1997 | Pontiac | Firefly | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1997 | Pontiac | Grand Am | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1996 | Buick | Skylark | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1996 | Chevrolet | Corsica | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1996 | Oldsmobile | Achieva | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1996 | Pontiac | Firefly | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1996 | Pontiac | Grand Am | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1995 | Buick | Skylark | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1995 | Chevrolet | Corsica | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1995 | Oldsmobile | Achieva | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1995 | Pontiac | Firefly | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1995 | Pontiac | Grand Am | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1994 | Buick | Skylark | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1994 | Chevrolet | Corsica | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1994 | Oldsmobile | Achieva | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1994 | Pontiac | Firefly | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1994 | Pontiac | Grand Am | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1993 | Buick | Skylark | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1993 | Chevrolet | Caprice | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1993 | Chevrolet | Commercial Chassis | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1993 | Oldsmobile | Achieva | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1993 | Pontiac | Grand Am | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1992 | Buick | Skylark | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1992 | Chevrolet | Caprice | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1992 | Chevrolet | Commercial Chassis | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1992 | Oldsmobile | Achieva | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1992 | Pontiac | Grand Am | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1991 | Chevrolet | Caprice | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1991 | Chevrolet | Commercial Chassis | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1990 | Chevrolet | Caprice | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1989 | Chevrolet | Caprice | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1988 | Chevrolet | Caprice | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 1987 | Chevrolet | Caprice | N/A | Please 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.