HomeHVAC > Gaskets and Sealing SystemsFour Seasons 26003 A/C System O-Ring and Gasket Kit
Part #: 26003

Four Seasons 26003 A/C System O-Ring and Gasket Kit

AC System Seal Kit
⚙️ 46 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$27.29Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦AC System Seal Kit
🚗Fitment: BMW and Mini, 1 Series M, 118i, Cooper, Cooper Clubman, Cooper Countryman, Cooper Paceman, i8, M135i, M2, M235i, M235i xDrive, and X3
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable A/C System Seal Kit for BMW and Mini Models

The Four Seasons AC System Seal Kit 26003 provides essential O-rings and gaskets designed to maintain the integrity of your vehicle's air conditioning system. Specifically compatible with select BMW and Mini models, this kit helps ensure a secure, leak-free seal for optimal HVAC performance.

  • Complete O-ring and gasket kit for A/C system sealing
  • Compatible with BMW 1 Series M, 118i, M135i, M2, M235i, M235i xDrive, i8, and X3 models
  • Fits Mini Cooper, Cooper Clubman, Cooper Countryman, and Cooper Paceman
  • Part number 26003 for precise identification and fitment
  • Designed to prevent refrigerant leaks and maintain system pressure

About the Four Seasons AC System Seal Kit Line

The Four Seasons AC System Seal Kit product line focuses on providing comprehensive sealing solutions for automotive air conditioning systems. This line includes O-rings and gaskets engineered to meet OEM specifications, ensuring compatibility and durability. The 26003 kit is part of this line, offering a tailored fit for BMW and Mini vehicles to support effective HVAC system maintenance and repair.

Detailed Product Description

This A/C system seal kit contains a selection of O-rings and gaskets designed to replace worn or damaged seals within the air conditioning system. Proper sealing is critical to prevent refrigerant leaks, which can reduce cooling efficiency and potentially damage system components. The Four Seasons 26003 kit is engineered to fit a range of BMW and Mini models, including the 1 Series M, 118i, M135i, M2, M235i, M235i xDrive, i8, X3, and Mini Cooper variants such as the Clubman, Countryman, and Paceman. Using this kit helps maintain system pressure and supports the longevity of your vehicle’s HVAC system.

Common Issues Addressed by This Seal Kit

  • Refrigerant leaks caused by deteriorated O-rings or gaskets
  • Loss of A/C system pressure leading to reduced cooling performance
  • Preventing contamination entry into the A/C system
  • Eliminating hissing or unusual noises from the HVAC system
  • Supporting proper sealing after component replacement or service

Installation Notes and Tips

When installing the Four Seasons AC System Seal Kit 26003, ensure all old seals are completely removed and mating surfaces are clean. Lubricate new O-rings with the appropriate refrigerant oil to prevent damage during assembly. Verify compatibility with your specific BMW or Mini model before installation. Proper torque specifications should be followed to avoid over-compression or damage to the seals.

Quality Assurance and Warranty

Four Seasons manufactures the AC System Seal Kit 26003 to meet industry standards for durability and fitment. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Using genuine Four Seasons parts helps maintain the reliability of your vehicle’s HVAC system.

BrandFour Seasons
Part Number26003
PositionAC System Seal Kit
DescriptionO-ring & gasket a/c system seal kit
StyleO-ring & gasket kit
TypeAc system seal kits

This part fits 46 vehicles. Search below:

YearMakeModelPositionNotes
2019MiniCooperN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2019MiniCooper ClubmanN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2019MiniCooper CountrymanN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2018BMWX3N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2018MiniCooperN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2018MiniCooper ClubmanN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2018MiniCooper CountrymanN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2017BMWi8N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2017BMWM2N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2017BMWX3N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2017MiniCooperN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2017MiniCooper ClubmanN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2017MiniCooper CountrymanN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2016BMWi8N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2016BMWM135iN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2016BMWM2N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2016BMWM235iN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2016BMWM235i xDriveN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2016BMWX3N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2016MiniCooperN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2016MiniCooper ClubmanN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2016MiniCooper CountrymanN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2016MiniCooper PacemanN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2015BMW118iN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2015BMWi8N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2015BMWM135iN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2015BMWM235iN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2015BMWM235i xDriveN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2015BMWX3N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2015MiniCooperN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2015MiniCooper CountrymanN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2015MiniCooper PacemanN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2014BMW118iN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2014BMWi8N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2014BMWM135iN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2014BMWM235iN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2014BMWX3N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2014MiniCooperN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2014MiniCooper CountrymanN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2014MiniCooper PacemanN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2013BMWM135iN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2013BMWX3N/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2013MiniCooperN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2013MiniCooper CountrymanN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2013MiniCooper PacemanN/AO-Ring and Gasket Seal Kit; AC System Seal Kit
2011BMW1 Series MN/AO-Ring and Gasket Seal 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:

132139626003407829A79847MT2645RS2645

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