HomeHVAC > Gaskets and Sealing SystemsGlobal Parts 1321378 A/C System O-Ring and Gasket Kit
Part #: 1321378

Global Parts 1321378 A/C System O-Ring and Gasket Kit

⚙️ 49 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
🚗Fitment: Ford and Lincoln, Mustang, MKC, Navigator, and Flex
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Reliable A/C System O-Ring and Gasket Kit for Ford, Jaguar, and Lincoln

The Global Parts 1321378 A/C System O-Ring and Gasket Kit is designed specifically for select Ford, Jaguar, and Lincoln models. This kit provides the necessary sealing components to maintain the integrity of your vehicle's HVAC system and ensure optimal air conditioning performance.

  • Specific fitment for Ford Flex, Mustang, Mustang Mach-E, Lincoln Navigator, Mark LT, MKC, and Jaguar XJ, XFR, XFR-S models
  • Includes high-quality O-rings and gaskets tailored for A/C system sealing
  • Part number 1321378 ensures precise compatibility with designated vehicles
  • Designed to prevent refrigerant leaks and maintain system pressure
  • Durable materials resistant to heat, pressure, and refrigerant exposure

Detailed Product Description

This A/C System O-Ring and Gasket Kit from Global Parts is engineered for specific vehicle applications, including Ford Flex, Mustang, Mustang Mach-E, Lincoln Navigator, Mark LT, MKC, and Jaguar XJ, XFR, and XFR-S models. The kit contains all necessary sealing components to replace worn or damaged O-rings and gaskets within the air conditioning system. Proper sealing is critical to prevent refrigerant leaks, which can reduce cooling efficiency and potentially damage the A/C compressor. Using part number 1321378 ensures you receive the correct components designed to meet OEM specifications for these vehicles.

Common Applications and Issues Addressed

  • Sealing leaks in A/C refrigerant lines and connections
  • Preventing loss of refrigerant pressure in the HVAC system
  • Replacing brittle or cracked O-rings and gaskets due to age or heat exposure
  • Restoring proper function to the A/C system after component repairs or replacements
  • Reducing the risk of compressor failure caused by refrigerant leaks

Installation Notes and Tips

  • Ensure all old O-rings 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, Jaguar, or Lincoln model before installation
  • Inspect mating surfaces for damage or debris to ensure a proper seal
  • Follow manufacturer torque specifications when reassembling A/C components

Quality Assurance and Warranty Information

Global Parts manufactures this A/C System O-Ring and Gasket Kit to meet industry standards for durability and performance. Each kit undergoes quality control to ensure proper fit and function for the specified Ford, Jaguar, and Lincoln models. While specific warranty details may vary, Global Parts typically offers coverage against manufacturing defects. Refer to the product packaging or contact the manufacturer for exact warranty terms related to part number 1321378.

This part fits 49 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2025FordMustang2.3LL4N/A
2025FordMustang Mach-E-L--N/A
2024FordMustang5.0LV8N/A
2024FordMustang Mach-E-L--N/A
2023FordMustang2.3LL4N/A
2023FordMustang Mach-E-L--N/A
2022FordGT3.5LV6N/A
2022FordMustang5.0LV8N/A
2022FordMustang Mach-E-L--N/A
2021FordGT3.5LV6N/AAll Seals For AC
2021FordMustang5.0LV8N/AAll necessary seals included for A/C system O-ring and gasket kit.
2021FordMustang2.3LL4N/AAll necessary seals included for A/C system O-ring and gasket kit.
2021FordMustang Mach-E-L--N/A
2020FordMustang5.0LV8N/AAll necessary seals included for A/C system O-ring and gasket kit.
2020FordMustang5.2LV8N/AAll necessary seals included for A/C system O-ring and gasket kit.
2020FordMustang2.3LL4N/AAll necessary seals included for A/C system O-ring and gasket kit.
2019FordMustang5.0LV8N/AAll necessary seals included for A/C system O-ring and gasket kit.
2019FordMustang5.2LV8N/AAll necessary seals included for A/C system O-ring and gasket kit.
2019FordMustang2.3LL4N/AAll necessary seals included for A/C system O-ring and gasket kit.
2018FordMustang5.0LV8N/AAll necessary seals included for A/C system O-ring and gasket kit.
2018FordMustang5.2LV8N/AAll necessary seals included for A/C system O-ring and gasket kit.
2018FordMustang2.3LL4N/AAll necessary seals included for A/C system O-ring and gasket kit.
2017FordMustang5.0LV8N/AAll necessary seals included for A/C system O-ring and gasket kit.
2017FordMustang5.2LV8N/AAll necessary seals included for A/C system O-ring and gasket kit.
2017FordMustang2.3LL4N/AAll necessary seals included for A/C system O-ring and gasket kit.
2017FordMustang3.7LV6N/AAll necessary seals included for A/C system O-ring and gasket kit.
2016FordMustang5.2LV8N/AAll necessary seals included for A/C system O-ring and gasket kit.
2016FordMustang5.0LV8N/AAll necessary seals included for A/C system O-ring and gasket kit.
2016FordMustang2.3LL4N/AAll necessary seals included for A/C system O-ring and gasket kit.
2016FordMustang3.7LV6N/AAll necessary seals included for A/C system O-ring and gasket kit.
2016LincolnMKC2.3LL4N/AAll necessary seals included for A/C system O-ring and gasket kit.
2016LincolnMKC2.0LL4N/AAll necessary seals included for A/C system O-ring and gasket kit.
2016LincolnNavigator3.5LV6N/AAll necessary seals included for A/C system O-ring and gasket kit.
2015FordFlex3.5LV6N/AAll necessary seals included for A/C system O-ring and gasket kit.
2015FordMustang2.3LL4N/Aas; All Seals For AC
2015FordMustang5.0LV8N/AAll necessary seals included for A/C system O-ring and gasket kit.
2015FordMustang5.2LV8N/AAll necessary seals included for A/C system O-ring and gasket kit.
2015FordMustang3.7LV6N/AAll necessary seals included for A/C system O-ring and gasket kit.
2015JaguarXFR5.0LV8N/A
2015JaguarXFR-S5.0LV8N/A
2015LincolnMKC2.3LL4N/AAll necessary seals included for A/C system O-ring and gasket kit.
2015LincolnMKC2.0LL4N/AAll necessary seals included for A/C system O-ring and gasket kit.
2015LincolnNavigator3.5LV6N/AAll necessary seals included for A/C system O-ring and gasket kit.
2014FordFlex3.5LV6N/AAll necessary seals included for A/C system O-ring and gasket kit.
2014JaguarXFR5.0LV8N/A
2014JaguarXFR-S5.0LV8N/A
2014LincolnMark LT5.0LV8N/A
2013LincolnMark LT5.0LV8N/A
2010JaguarXJ5.0LV8N/A

* 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.