2025 GMC Sierra 3500 HD Air Conditioning Parts

Essential 2025 GMC Sierra 3500 HD Air Conditioning Parts

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
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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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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

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

A/C Service Valve Fi

from

$3.77
A/C Service Valve Fi

2025 GMC Sierra 3500 HD Air Conditioning Parts

Maybe you’re in the middle of a full rebuild of that 2025 GMC Sierra 3500 HD. Maybe you just need a couple of Air Conditioning Parts. Either way, Advance Auto Parts has 2 different Air Conditioning Parts in our inventory ranging from $10.99 to $15.99. That means you can find the exact parts or products you need to keep that 2025 GMC Sierra 3500 HD running smoothly.

Air Conditioning Parts are only as good as their brand. We stock 1 different brands to make sure you have plenty of trusted parts to choose from for your 2025 GMC Sierra 3500 HD. GM Genuine are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Air Conditioning Parts for your 2025 GMC Sierra 3500 HD, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Air Conditioning Parts to keep your 2025 GMC Sierra 3500 HD rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Air Conditioning Parts Brands To Make Your 2025 GMC Sierra 3500 HD Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2025 GMC Sierra 3500 HD demands trusted brand parts and products to keep it running. Many trusted brands of Air Conditioning Parts make up Advance Auto Parts’ inventory, and all are ready to help make your Sierra 3500 HD the best it can be. Be sure to browse some of our top Air Conditioning Parts brands and parts.

Popular GM Genuine Parts Air Conditioning Parts

We carry GM Genuine Parts parts in our stock across AC Caps and Valve Core Kits categories, plus more. For a 2025 GMC Sierra 3500 HD, our most popular GM Genuine Parts Air Conditioning Parts include:
Air Conditioning System Valve Core
from $10.99
(6)
Air Conditioning System Valve Core
AC Caps and Valve Core Kits