Universal Air RS3900 A/C System Seal Kit

Brand Universal Air RS3900
Fits —

Rapid Seal O-ring kit. For A/C system sealing and leak prevention.

Gaskets and sealing system for HVAC service.

$19.55Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $19.55
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Universal Air Rapid Seal O-Ring Kit RS3900

The Universal Air Rapid Seal O-Ring Kit RS3900 is an A/C system seal kit for servicing automotive HVAC connections that need fresh sealing surfaces. It is a practical choice for leak repair work on vehicles such as Honda Civic and Toyota Camry applications where refrigerant sealing integrity matters.

Key Features

  • Brand: Universal Air
  • Brand line: Rapid Seal O-Ring Kit
  • Part number: RS3900
  • Category: HVAC gaskets and sealing systems
  • Built for A/C system sealing service

Product Details

The Rapid Seal O-Ring Kit line from Universal Air focuses on sealing components used in automotive air conditioning service. RS3900 is identified as an A/C system seal kit, making it relevant for maintenance and repair of refrigerant line connections, compressor interfaces, and other HVAC sealing points. For shoppers searching for Universal Air RS3900, RS3900 A/C seal kit, or Honda Civic A/C system seal kit and Toyota Camry HVAC seal kit applications, this part supports targeted seal replacement work without unnecessary complexity.

Common Issues It Can Address

  • Refrigerant seepage at A/C line connections
  • Loss of sealing at HVAC service points
  • O-ring deterioration from age and heat cycling
  • Leak-related A/C performance decline
  • Seal replacement during HVAC repair service

Installation Notes and Tips

Inspect the mating surfaces before installation and replace worn or flattened seals during A/C service. Clean the connection points thoroughly, verify the correct seal size for the application, and follow the vehicle service procedure for refrigerant system work. Confirm the exact vehicle application before ordering; fitment data was not provided for this part.

Quality Assurance

Universal Air identifies this as part of its Rapid Seal O-Ring Kit product line for HVAC sealing service. Part number RS3900 is cataloged for automotive A/C system repair use.

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
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