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Four Seasons 26818 A/C System O-Ring and Gasket Kit
Reliable A/C System Seal Kit for Ford, Lincoln, and Mercury Vehicles
The Four Seasons AC System Seal Kit 26818 provides essential sealing components designed to maintain the integrity of your vehicle's air conditioning system. Engineered for select Ford, Lincoln, and Mercury models, this kit ensures a secure and leak-free A/C system.
- Includes green rubber O-rings, metal spring O-rings, and green aluminum gaskets
- Compatible with Ford Crown Victoria, E-150 Econoline, F-250 Super Duty, and more
- Part number 26818 for precise identification and fitment
- Designed to replace worn or damaged seals in automotive A/C systems
- Part of the Four Seasons AC System Seal Kit product line for comprehensive sealing solutions
About the Four Seasons AC System Seal Kit Product Line
The AC System Seal Kit line by Four Seasons offers a range of sealing components tailored to various vehicle makes and models. This product line focuses on providing durable O-rings and gaskets made from quality materials such as green rubber and aluminum to ensure long-lasting performance. The 26818 kit is part of this line, specifically engineered to meet the sealing needs of Ford, Lincoln, and Mercury A/C systems.
Detailed Product Description
The Four Seasons AC System Seal Kit 26818 contains a selection of green rubber O-rings, metal spring O-rings, and green aluminum gaskets designed to restore and maintain the sealing integrity of your vehicle’s air conditioning system. These components are critical in preventing refrigerant leaks and ensuring optimal system pressure. The kit is compatible with a range of Ford, Lincoln, and Mercury vehicles including the Crown Victoria, E-150 Econoline, F-350 Super Duty, Grand Marquis, and Transit Connect models. Using this kit helps maintain the efficiency and reliability of your A/C system by replacing worn or damaged seals.
Common Applications and Issues Addressed
- Sealing leaks in the A/C system caused by worn or damaged O-rings and gaskets
- Preventing refrigerant loss to maintain proper cooling performance
- Eliminating moisture and contaminants entering the A/C system
- Reducing the risk of compressor damage due to leaks
- Restoring system pressure for consistent air conditioning operation
Installation Notes and Tips
- Ensure all old seals and gaskets are fully removed before installation
- Lubricate new O-rings with appropriate refrigerant oil to prevent damage during assembly
- Verify compatibility with your specific Ford, Lincoln, or Mercury model before installation
- Follow manufacturer torque specifications when reassembling A/C components
- Inspect all connections for leaks after installation and system recharge
Quality Assurance and Warranty
Four Seasons manufactures the AC System Seal Kit 26818 to meet industry standards for durability and performance. The materials used, including green rubber and metal spring O-rings along with green aluminum gaskets, are selected for their resistance to refrigerants and environmental factors. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty against defects in material and workmanship. Always consult product documentation for exact warranty terms.
| Brand | Four Seasons |
| Part Number | 26818 |
| Position | AC System Seal Kit |
| Description | O-Ring & Gasket A/C System Seal Kit |
| Material | Green Rubbers O-Rings, Metal spring O-Rings, Green Aluminum Gasket |
| Style | O-Ring & Gasket Kit |
| Type | AC System Seal Kits |
This part fits 69 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2021 | Ford | E-350 Super Duty | N/A | O-Ring and Gasket Seal Kit; AC System Seal Kit | ||
| 2019 | Ford | E-350 Super Duty | N/A | O-Ring and Gasket Seal Kit; AC System Seal Kit | ||
| 2018 | Ford | E-350 Super Duty | N/A | O-Ring and Gasket Seal Kit; AC System Seal Kit | ||
| 2017 | Ford | E-350 Super Duty | N/A | O-Ring and Gasket Seal Kit; AC System Seal Kit | ||
| 2016 | Ford | E-350 Super Duty | N/A | O-Ring and Gasket Seal Kit; AC System Seal Kit | ||
| 2015 | Ford | E-350 Super Duty | N/A | O-Ring and Gasket Seal Kit; AC System Seal Kit | ||
| 2014 | Ford | E-150 | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2014 | Ford | E-250 | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2014 | Ford | E-350 Super Duty | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2014 | Ford | Econoline Van | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2014 | Ford | Econoline Wagon | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2014 | Ford | Transit Connect | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit | ||
| 2013 | Ford | E-150 | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2013 | Ford | E-250 | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2013 | Ford | E-350 Super Duty | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2013 | Ford | Econoline Van | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2013 | Ford | Econoline Wagon | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2013 | Ford | Transit Connect | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit | ||
| 2012 | Ford | E-150 | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2012 | Ford | E-250 | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2012 | Ford | E-350 Super Duty | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2012 | Ford | Econoline Van | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2012 | Ford | Econoline Wagon | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2012 | Ford | Transit Connect | 2.0L | L4 | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit |
| 2011 | Ford | Crown Victoria | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit | ||
| 2011 | Ford | E-150 | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2011 | Ford | E-250 | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2011 | Ford | E-350 Super Duty | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2011 | Ford | Econoline Van | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2011 | Ford | Econoline Wagon | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2011 | Ford | Transit Connect | 2.0L | L4 | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit |
| 2011 | Lincoln | Town Car | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit | ||
| 2011 | Mercury | Grand Marquis | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit | ||
| 2010 | Ford | Crown Victoria | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit | ||
| 2010 | Ford | E-150 | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2010 | Ford | E-250 | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2010 | Ford | E-350 Super Duty | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2010 | Ford | Econoline Van | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2010 | Ford | Econoline Wagon | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2010 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 2010 | Ford | F-250 Super Duty | 5.4L | V8 | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 2010 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 2010 | Ford | F-350 Super Duty | 5.4L | V8 | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit |
| 2010 | Ford | Transit | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2010 | Ford | Transit Connect | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2010 | Lincoln | Town Car | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit | ||
| 2010 | Mercury | Grand Marquis | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit | ||
| 2009 | Ford | Crown Victoria | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit | ||
| 2009 | Ford | E-150 | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2009 | Ford | E-250 | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2009 | Ford | E-350 Super Duty | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2009 | Ford | Transit | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2009 | Lincoln | Town Car | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit | ||
| 2009 | Mercury | Grand Marquis | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit | ||
| 2008 | Ford | Crown Victoria | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit | ||
| 2008 | Ford | E-150 | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2008 | Ford | E-150 Econoline | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2008 | Ford | E-250 | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2008 | Ford | E-350 Econoline | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2008 | Ford | E-350 Super Duty | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2008 | Ford | Transit | N/A | O-Ring and Gasket Seal Kit; w/ Rear AC; AC System Seal Kit | ||
| 2008 | Lincoln | Town Car | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit | ||
| 2008 | Mercury | Grand Marquis | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit | ||
| 2007 | Ford | Crown Victoria | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit | ||
| 2007 | Lincoln | Town Car | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit | ||
| 2007 | Mercury | Grand Marquis | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit | ||
| 2006 | Ford | Crown Victoria | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit | ||
| 2006 | Lincoln | Town Car | N/A | Please confirm compatibility prior to installation of A/C System O-Ring and Gasket Kit.; AC System Seal Kit | ||
| 2006 | Mercury | Grand Marquis | 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.