2003 GMC Yukon Radiator Caps

Your 2003 GMC Yukon might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Radiator Caps you desperately need.

We currently carry 4 Radiator Caps to choose from for your 2003 GMC Yukon, and our inventory prices range from as little as $25.37 up to $48.09.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of Radiator Caps for the 2003 GMC Yukon. We only sell parts from trusted brands like Mr. Gasket so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 17 reviews on our Radiator Caps for the 2003 GMC Yukon from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Radiator Caps stock in-person!

Radiator Caps for Your 2003 GMC Yukon

Mr. Gasket – Thermocap Radiator Cap (Part No.2471S)

Thermocap Radiator Cap

from

$47.99
Knowing your coolant temperature can help to prevent burn injuries. Thermocap Cap, with its built-in calibrated thermometer, indicates the coolant temperature. This is useful information prior to cap removal. Never attempt to remove Thermocap Cap when the coolant temperature is very hot. The escaping hot coolant and steam may burn you. Reclamation valve works great with your coolant recovery system. Your radiator can reclaim coolant from your overflow bottle. Wide 30 degree to 270 degree F temperature range. Calibrated in centigrade and Fahrenheit. Color-coded temperature ranges.

Product Features:
  • Indicates Coolant Temperature
  • Helps to Prevent Injuries from coolant or steam burns
  • Integrated Coolant Reclamation Valve
  • Improves Underhood Appearance
  • Fahrenheit and centigrade readings
  • Various valve pressures available
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Mr. Gasket – Thermocap Radiator Cap (Part No.2476BK)

Thermocap Radiator Cap

from

$48.09
The fastest, easiest way to know exactly when it’s safe to open your radiator cap. ThermoCap, with its built-in calibrated thermometer, indicates the coolant temperature.

Product Features:
  • Indicates coolant temperature
  • Helps prevent coolant injuries
  • Fahrenheit and centigrade readings
  • Color-coded temperature ranges
  • Integrated coolant reclamation valve
  • Improves under-hood appearance
  • Chromed crown with a colored trim ring
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Mr. Gasket – Thermocap Radiator Cap (Part No.2471B)

Thermocap Radiator Cap

from

$46.99
The fastest, easiest way to know exactly when it’s safe to open your radiator cap. ThermoCap, with its built-in calibrated thermometer, indicates the coolant temperature.

Product Features:
  • Indicates coolant temperature
  • Helps prevent coolant injuries
  • Fahrenheit and centigrade readings
  • Color-coded temperature ranges
  • Integrated coolant reclamation valve
  • Improves under-hood appearance
  • Chromed crown with a colored trim ring
See More

ACDelco – GM Original Equipment Expansion Tank Cap (Part No.G1040206092ACD)

GM Original Equipment Expansion Tank Cap

from

$25.37
An ACDelco GM Original Equipment Expansion Tank Cap is a spring loaded cap that seals the radiator filler neck or surge tank, and is a GM-recommended replacement for your vehicle’s original component. It maintains pressure on the cooling system while the engine is operating, which raises the boiling point of the engine coolant. It also replenishes the system with coolant from the expansion tank (if equipped) when the engine cools off. This original equipment radiator cap has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors. Get the GM quality you know and trust with ACDelco GM Original Equipment Thermostats and Caps. Stay with the brand of parts your General Motors vehicle came with and get peace of mind that the fit, form, and function is up to the high standards and specifications of General Motors. ACDelco GM Original Equipment Thermostats and Caps are engineered for virtually every model of GM car, light duty truck, and sport utility vehicle.

Product Features:
  • Seal and maintain pressure on the cooling system for vehicle safety
  • Raise the boiling point of the engine coolant to maintain efficiency
  • Fit most models of GM vehicles for expanded coverage
  • 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
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FAQs for 2003 GMC Yukon Radiator Caps

What are the most popular Radiator Caps for the 2003 GMC Yukon?

With 2 brands you can trust, our most popular Radiator Caps for the 2003 GMC Yukon parts are:
Thermocap Radiator Cap
from $48.09
This product is not rated
Thermocap Radiator Cap
Radiator Caps
Thermocap Radiator Cap
from $46.99
This product is not rated
Thermocap Radiator Cap
Radiator Caps
Thermocap Radiator Cap
from $47.99
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Thermocap Radiator Cap
Radiator Caps