GMC 300 Performance Radiator Caps

Your GMC 300 will be happy to know that the search for the right Performance Radiator Caps you’ve been looking for is over! Advance Auto Parts has 1 different Performance Radiator Caps for your vehicle, ready for shipping or in-store pick up. The best part is, our GMC 300 Performance Radiator Caps start from as little as $54.99.

When it comes to your GMC 300, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Performance Radiator Caps brands so you can shop with complete confidence. Some of our top Performance Radiator Caps brands are Mr. Gasket. We’re sure you will get the right product to keep that 300 running for a long time.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Performance Radiator Caps for your 300, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 2 GMC Performance Radiator Caps

Mr. Gasket – Radiator Cap (Part No.2481)

Radiator Cap

from

$16.99
Cap off your radiator with a gleaming chrome plated filler cap. Made to last.

Product Features:
  • Chrome radiator caps
  • Made to last
  • Skin packaged
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Mr. Gasket – Thermocap Radiator Cap (Part No.2470S)

Thermocap Radiator Cap

from

$54.99
Knowing your coolant temperature can help to prevent burn injuries. Thermo Cap, with its built-in calibrated thermometer, indicates the coolant temperature. This is useful information prior to cap removal. Never attempt to remove Thermo Cap when the coolant temperature is very hot. The escaping hot coolant and steam may burn you. Check the Thermo Cap temperature indicator to determine if the coolant is cool enough to make removing Thermo Cap safe. If the coolant is very hot, then thoroughly rinse the radiator with cool water, until the coolant temperature drops into a cooler safe zone Thermo Cap’s integrated coolant reclamation valve works great with your coolant recovery system. Your radiator can reclaim coolant from your overflow bottle. Wide 30 degree to 270 degree Fahrenheit temperature range. Calibrated in centigrade and Fahrenheit. Color-coded temperature ranges. Chromed crown with a colored trim ring. Indicates coolant temperature, Helps to prevent coolant injuries, integrated coolant reclamation valve, Improves under hood appearance, Fits most domestic or import vehicles and various valve pressures available.

Product Features:
  • Indicates coolant temperature
  • Helps to prevent coolant injuries
  • Integrated coolant reclamation valve
  • Improves under hood appearance
  • Fits most domestic vehicles
  • Built in calibrated thermometer
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