ACDelco GM Original Equipment Radiator Surge Tank Cap
OE
Pack of 1

ACDelco GM Original Equipment Radiator Surge Tank Cap

GM Part #84148294

ACDelco Part #RC120

MSRP$18.10*

ACDelco GM Original Equipment Radiator Surge Tank Caps help seal and regulate the cooling pressure of your vehicle's radiator surge tank, and are GM-recommended replacements for your vehicle's original components.

  • Helps seal and regulate cooling pressure in your vehicle's radiator surge tank
  • 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 Surge Tank Caps help seal and regulate the cooling pressure of your vehicle's radiator surge tank, and are GM-recommended replacements for your vehicle's original components. These radiator surge tank 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 regulate cooling pressure in your vehicle's radiator surge tank
  • 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

MaterialPlastic
ColorBlack
Height2.4in
VentedNo
Attachment TypeTwist On
ClassificationOE
Width2.5in
TypeRadiator Surge Tank Cap

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 surge tank caps include but are not limited to:

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

ModelBody StyleTrimYear(s)
Sierra 2500 HD2017, 2018, 2019
Sierra 3500 HDCab & Chassis2017, 2018, 2019
Sierra 3500 HDCrew Cab Pickup2017, 2018, 2019