GMC Sierra 2500 AC Caps and Valve Core Kits

Your GMC Sierra 2500 will be happy to know that the search for the right AC Caps and Valve Core Kits you’ve been looking for is over! Advance Auto Parts has 7 different AC Caps and Valve Core Kits for your vehicle, ready for shipping or in-store pick up. The best part is, our GMC Sierra 2500 AC Caps and Valve Core Kits start from as little as $6.99.

When it comes to your GMC Sierra 2500, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable AC Caps and Valve Core Kits brands so you can shop with complete confidence. Some of our top AC Caps and Valve Core Kits brands are Factory Air and GM Genuine Parts. We’re sure you will get the right product to keep that Sierra 2500 running for a long time.

We even have reviews of our OEM and aftermarket AC Caps and Valve Core Kits products to help you buy with confidence. Hear from other customers via the 212 reviews on parts for your GMC Sierra 2500.

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 AC Caps and Valve Core Kits for your Sierra 2500, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 10 GMC AC Caps and Valve Core Kits

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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Dorman – GM Air Conditioning Schrader Valve M12 X 1.50 (Part No.800-955)

GM Air Conditioning Schrader Valve M12 X 1.50

from

$10.29
This A/C service valve is designed to match the fit and function of the original valve on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this A/C service valve is designed to match the fit and function of the original valve on specified vehicles
  • Restores functionality – this valve is made to fit and fully restore part functionality after the original valve fails
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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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
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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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Factory Air – Cap & Valve A/C System Seal Kit (Part No.26783)

Cap & Valve A/C System Seal Kit

from

$17.99
High quality OE replacement part with all components needed to complete the job

Product Features:
  • All the seals needed to complete the job
  • Compatible with both R12 and R134a refrigerants
  • SUV and rear air applications
  • Application specific
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Factory Air – Cap & Valve A/C System Seal Kit (Part No.26775)

Cap & Valve A/C System Seal Kit

from

$14.99
High quality OE replacement part with all components needed to complete the job

Product Features:
  • All the seals needed to complete the job
  • Compatible with both R12 and R134a refrigerants
  • SUV and rear air applications
  • Application specific
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Factory Air – Cap and Valve A/C System Seal Kit (Part No.26778)

Cap and Valve A/C System Seal Kit

from

$41.99
Compatible with both R12 And R134a refrigerants; All the seals needed to complete the job; SUV And rear air applications; Application specific
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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

ACDelco – A/C Service Valve (Part No.R1129947779ACD)

A/C Service Valve

from

$13.13
A/C Service Valve

Santech – A/C Service Valve Fi (Part No.R11491515863SII)

A/C Service Valve Fi

from

$3.77
A/C Service Valve Fi

FAQs for GMC Sierra 2500 AC Caps and Valve Core Kits

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

With 3 brands you can trust, our most popular AC Caps and Valve Core Kits for the GMC Sierra 2500 are:
Cap & Valve A/C System Seal Kit
from $17.99
(29)
Cap & Valve A/C System Seal Kit
AC Caps and Valve Core Kits
Cap & Valve A/C System Seal Kit
from $14.99
(26)
Cap & Valve A/C System Seal Kit
AC Caps and Valve Core Kits
Air Conditioning Service Valve
from $6.99
(7)
Air Conditioning Service Valve
AC Caps and Valve Core Kits

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

See what past customers had to say about our highest-rated AC Caps and Valve Core Kits for the 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.”