2003 GMC Sierra 2500 AC Caps and Valve Core Kits

Your 2003 GMC Sierra 2500 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 AC Caps and Valve Core Kits you desperately need.

We currently carry 4 AC Caps and Valve Core Kits to choose from for your 2003 GMC Sierra 2500, and our inventory prices range from as little as $6.99 up to $12.99.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of AC Caps and Valve Core Kits for the 2003 GMC Sierra 2500. We only sell parts from trusted brands like GM Genuine Parts 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 14 reviews on our AC Caps and Valve Core Kits for the 2003 GMC Sierra 2500 from previous customers.

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

AC Caps and Valve Core Kits for Your 2003 GMC Sierra 2500

GM Genuine Parts – Air Conditioning Service Valve (Part No.15-5438)

Air Conditioning Service Valve

from

$6.99
GM Genuine Parts A/C Service Valves are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These spring-loaded valves allow service access to the A/C system. The service valves allow the service technician to evacuate and recharge the refrigerant in the A/C system. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Repairs leaking A/C system
  • Restores A/C function
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • Original equipment parts are designed to work with your GM vehicle safety systems — aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
  • GM regularly updates production and service part designs to integrate new materials and technologies
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GM Genuine Parts – Air Conditioning System Valve Core (Part No.15-1119)

Air Conditioning System Valve Core

from

$10.99
GM Genuine Parts A/C System Valve Cores are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These A/C system valve cores are components of the A/C service valve through which your vehicle’s refrigerant can be accessed and serviced. The valve core is a spring-loaded poppet valve that is opened when the service technician connects the A/C service machine hose couplers. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Repair leaking A/C system, restore A/C function
  • Helps restore A/C Function
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • Original equipment parts are designed to work with your GM vehicle safety systems — aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
  • GM regularly updates production and service part designs to integrate new materials and technologies
See More

KAI – A/C Service Valve (Part No.FJC2576)

A/C Service Valve

from

$10.99
New Standard Replacement 2610 Service Port W/2615 Cap

Product Features:
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
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KAI – Valve Core/Cap Kit (Part No.FTT010103)

Valve Core/Cap Kit

from

$12.99
New Standard Replacement A/C System Valve Core And Cap Kit

Product Features:
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

FAQs for 2003 GMC Sierra 2500 AC Caps and Valve Core Kits

What are the most popular AC Caps and Valve Core Kits for the 2003 GMC Sierra 2500?

With 2 brands you can trust, our most popular AC Caps and Valve Core Kits for the 2003 GMC Sierra 2500 parts are:
Air Conditioning Service Valve
from $6.99
(7)
Air Conditioning Service Valve
AC Caps and Valve Core Kits
Air Conditioning System Valve Core
from $10.99
(6)
Air Conditioning System Valve Core
AC Caps and Valve Core Kits
Valve Core/Cap Kit
from $12.99
This product is not rated
Valve Core/Cap Kit
AC Caps and Valve Core Kits

What are the best aftermarket AC Caps and Valve Core Kits for the 2003 GMC Sierra 2500?

See what past customers had to say about our highest-rated AC Caps and Valve Core Kits for the 2003 GMC Sierra 2500:
A/C Service Valve
from $10.99
(1)
A/C Service Valve
“Picked this up at the store took me ten mins to switch them out a fill up freeon works good no more leak.”