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ACDelco GM Original Equipment 15 P.S.I. Radiator Cap
OE

ACDelco GM Original Equipment 15 P.S.I. Radiator Cap

GM Part #25661994

ACDelco Part #RC81

MSRP$16.85*

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

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

Lever TypeNo
Height1.3in
Filler Neck Outside Diameter2.23 in / 56.76 mm
Filler Neck Inside Diameter1.24 in / 31.41 mm
Maximum Pressure15
Cap Depth0.96 in / 24.3 mm
Filler Neck Height0.77 in / 19.5 mm
ClassificationOE
Width2.9in
ShapeRound
ColorSilver
MaterialStainless Steel
Quick Pressure ReleaseNo
Cap FinishStainless Steel
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)
Century1983, 1984, 1985
ElectraEstate Wagon1985
Skylark1989, 1990, 1991