AC Sealing Washers

Explore our selection of AC sealing washers engineered for R-134a and R-1234yf automotive A/C systems. These high-quality O-ring and bonded sealing washers provide a secure, leak-free seal at compressor fittings, service ports, hose connections, and expansion valves. Available in multiple sizes and materials including nylon, steel, and rubber-bonded aluminum, they meet or exceed OEM specifications for direct fit replacement in domestic and import vehicles.

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  • Navistar Truck Discharge Sealing Washer & O-Ring, 5 PK

    Navistar Truck Discharge Sealing Washer & O-Ring, 5 PK

    Navistar Truck Discharge Sealing Washer & O-Ring, 5 PK

    $26.25 USD
    $26.25 USD
  • GM Sealing Washer, 5/8 in Thick Black, 10 PK

    GM Sealing Washer, 5/8 in Thick Black, 10 PK

    GM Sealing Washer, 5/8 in Thick Black, 10 PK

    $35.00 USD
    $35.00 USD
  • 2 Piece GM Sealing Washer Kit, GM 1989-09 Contains 2 Each of #639

    2 Piece GM Sealing Washer Kit, GM 1989-09 Contains 2 Each of #639

    2 Piece GM Sealing Washer Kit, GM 1989-09 Contains 2 Each of #639

    $3.45 USD
    $3.45 USD
  • 2 Piece GM Sealing Washer Kit, GM 1979-91 Contains 2 Each of #638

    2 Piece GM Sealing Washer Kit, GM 1979-91 Contains 2 Each of #638

    2 Piece GM Sealing Washer Kit, GM 1979-91 Contains 2 Each of #638

    $6.85 USD
    $6.85 USD
  • 8 Piece GM Master Sealing Washer Kit, Contains 1 Each of #760, 761, 762, 763, 641, 640, 639 & 638

    8 Piece GM Master Sealing Washer Kit, Contains 1 Each of #760, 761, 762, 763, 641, 640, 639 & 638

    8 Piece GM Master Sealing Washer Kit, Contains 1 Each of #760, 761, 762, 763, 641, 640, 639...

    $18.45 USD
    $18.45 USD
  • 2 Piece GM Sealing Washer Kit, GM A6, LTR4, V5, Contains 1 Each of #639 & 640

    2 Piece GM Sealing Washer Kit, GM A6, LTR4, V5, Contains 1 Each of #639 & 640

    2 Piece GM Sealing Washer Kit, GM A6, LTR4, V5, Contains 1 Each of #639 & 640

    $3.45 USD
    $3.45 USD
  • GM Sealing Washer, 5/8 in. Thin Green, 10 PK
    GM Sealing Washer, 5/8 in. Thin Red, 10 PK
    GM Sealing Washer, 5/8 in. Thin Yellow, 10 PK

    GM A/C Sealing Washer - 5/8" Thin - Compressor Seal - 10 Pack

    This 5/8" thin GM A/C sealing washer is designed for use in automotive air conditioning compressor systems. It...

    $55.00 USD
    $55.00 USD
  • 2 Piece GM Sealing Washer Kit, GM 1989-91 Contains 2 Each of #638 & 641

    2 Piece GM Sealing Washer Kit, GM 1989-91 Contains 2 Each of #638 & 641

    2 Piece GM Sealing Washer Kit, GM 1989-91 Contains 2 Each of #638 & 641

    $8.43 USD
    $8.43 USD
  • Hook Sealing Washer, Sanden Discharge Port, 5 PK

    Hook Sealing Washer, Sanden Discharge Port, 5 PK

    Hook Sealing Washer, Sanden Discharge Port, 5 PK

    $9.00 USD
    $9.00 USD
  • Hook Sealing Washer, Sanden Suction Port, 5 PK

    Hook Sealing Washer, Sanden Suction Port, 5 PK

    Hook Sealing Washer, Sanden Suction Port, 5 PK

    $9.00 USD
    $9.00 USD
  • SHORT Manifold Pilot Sealing Washer Insert for GM 5/8 in Aluminum, 10 PK

    SHORT Manifold Pilot Sealing Washer Insert for GM 5/8 in Aluminum, 10 PK

    SHORT Manifold Pilot Sealing Washer Insert for GM 5/8 in Aluminum, 10 PK

    $15.00 USD
    $15.00 USD
  • LONG GM Manifold Pilot Sealing Washer Insert, 10 PK

    LONG GM Manifold Pilot Sealing Washer Insert, 10 PK

    LONG GM Manifold Pilot Sealing Washer Insert, 10 PK

    $12.25 USD
    $12.25 USD