Global Parts 5811278 A/C System Valve Core
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Global Parts

Global Parts 5811278 A/C System Valve Core

Brand Global Parts 5811278
Type Schrader valve-standard
Fits Chevrolet and GMC · 4 vehicles

Service equipment. Designed to help correctly service the A/C system.

Schrader valve standard. A common service valve core style for A/C systems.

Compatible with R12, R134a, or R1234yf applications depending on part number.

Cross-references Edelmann 8915, EXEDY OEM MC528 and Four Seasons 59343 for the same application. See all 77.

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Global Parts 5811278 A/C Valve Core

Global Parts 5811278 is a standard Schrader-style A/C system valve core for HVAC service work. It is built for refrigerant service on systems using R12, R134a, or R1234yf applications, depending on the service part number and OE specification.

  • Schrader valve, standard type
  • For A/C system service and valve core replacement
  • Supports R12, R134a, and R1234yf applications by part number
  • OE-spec reference recommended before service
  • Global Parts part number 5811278

Vehicle Fitment

Fits 2000-2001 Chevrolet C1500, valve core - standard.

Fits 2003 Chevrolet Silverado 1500, N/A.

Fits 2003 GMC Sierra 1500, N/A.

This part cross-references Four Seasons (e.g., 59343, 59346) for the same application.

What It Helps Address

  • Leaking or worn A/C service valve cores
  • Loss of refrigerant pressure during HVAC service
  • Faulty service-port sealing during maintenance
  • Need for a standard Schrader valve replacement in A/C repair

Installation Notes and Tips

Verify OE specifications before replacing the valve core. Match the refrigerant system and service-port design to the vehicle application, and confirm the correct part number before installation. For 2000-2001 Chevrolet C1500 and 2003 Chevrolet Silverado 1500 or GMC Sierra 1500 applications, compare the existing service hardware to the replacement part before service.

Quality Assurance

Global Parts service equipment is engineered for A/C system maintenance and service-part replacement. Part number 5811278 is listed for standard Schrader valve applications and should be selected according to the vehicle’s OE requirements.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2003ChevroletSilverado 15004.3LV6N/ACompare
2003GMCSierra 15004.3LV6N/ACompare
2001ChevroletC15004.3LV6N/AValve Core - Standard
2000ChevroletC15004.3LV6N/AValve Core - Standard
Directly replaces or cross-references 77 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Edelmann — 8915EXEDY OEM — MC528Four Seasons — 59343Four Seasons — 59346UAC — GA0631CUAC — GA1528-10C7D0-820-8557D08208558-03041-827-08-94121-731-08A0-820-855AA8A0820855AA15-111915-332115-3250416-314364-52-1-466-03390-9154242-645530-1242928-573-908-03999AC-A5000999ACA5000999AL-A5000999ALA50005934488374-2002092235-0B00195252-82000151119163143209574209578242645922350B00115325042899028304182735450793849468394958943679914723029475813247590565003461AA5003862AA5011346AA52646385301242125611111256111212562111125621129214026680304182708837420020894121731095252820006452146603392857390803ACC15-10092ACC1510092AGO90-9154CP0091GA1565-10GA152810CGA156510MC-528MT0064N480941-0010N4809410010OTH-MT0064OTHMT0064YF2198ZZL0-61-481ZZL061481