ACDelco GM Original Equipment 9 P.S.I. Radiator Cap
OE
Pack of 1

ACDelco GM Original Equipment 9 P.S.I. Radiator Cap

GM Part #15997145

ACDelco Part #RC54

MSRP$27.05*

ACDelco GM Original Equipment Radiator Caps help seal and maintain pressure in your vehicle's radiator, and are GM-recommended replacements for your vehicle's original components.

  • Helps seal and maintain pressure in your vehicle's cooling system for vehicle safety
  • GM-recommended replacement part for your GM vehicle's original factory component
  • Offering the quality, reliability, and durability of GM OE

Pack of 1

About this product

ACDelco GM Original Equipment Radiator Caps help seal and maintain pressure in your vehicle's radiator, and are GM-recommended replacements for your vehicle's original components. These radiator caps have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

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  • Helps seal and maintain pressure in your vehicle's cooling system for vehicle safety
  • GM-recommended replacement part for your GM vehicle's original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function

ShapeRound
Width2.4in
Lever TypeNo
Cap Depth0.96 in / 24.5 mm
Filler Neck Height19.5mm
Filler Neck Inside Diameter31.41mm
Filler Neck Outside Diameter56.76mm
Height1.5in
ClassificationOE
Maximum Pressure9
Cap FinishPlastic
MaterialPlastic Covered Stainless Steel
Quick Pressure ReleaseNo
Coolant Recovery SystemYes

24 Months/Unlimited Miles Limited Warranty for Parts (plus Labor if installed by a GM dealer)

Please visit our warranty page on Gmparts.com for full warranty details.

Good Maintenance Practices:

  • Ensure cap seal are not worn or broken
  • Lock cap into correct position to help prevent leakage and provide proper ventilation

Signs of wear for radiator caps include but are not limited to:

  • Coolant leaks
  • Steam venting from radiator or surge tank cap
  • Engine overheating

ModelBody StyleTrimYear(s)
C6000 TopkickCab & Chassis - Conventional1996
C6500 TopkickCab & Chassis - Conventional1997, 1998, 1999, 2000, 2001, 2002
C7000 TopkickCab & Chassis - Conventional1996
C7500 TopkickCab & Chassis - Conventional1997, 1998, 1999, 2000, 2001, 2002