2012 GMC Sierra 2500 HD Cooling and Climate Controls

Essential 2012 GMC Sierra 2500 HD Cooling and Climate Controls

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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ACDelco – Multi-Purpose Pigtail (Part No.PT1357)

Multi-Purpose Pigtail

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$37.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • 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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Carquest Premium – Brake Pressure Modulator Sensor Connector (Part No.PTA1017)

Brake Pressure Modulator Sensor Connector

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$28.49
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Carquest Premium – Radiator: With Engine And Transmission Oil Coolers (Part No.432334)

Radiator: With Engine And Transmission Oil Coolers

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$311.99
Carquest Premium radiators are designed and engineered for maximum performance, using the highest-grade materials to ensure all radiators meet or exceed original equipment (O.E.) fit, form and function. Carquest Premium radiators are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Most modern vehicles use radiators with plastic tanks and our parts are engineered with integrated ribbing to prevent damage during thermal cycling. Carquest Premium radiators are also 100% tested to ensure a durable, leak-free cooling system repair.

Product Features:
  • Thermal tested under real-life temperature simulations
  • High tensile strength aluminum for maximum crimp strength
  • Plastic tanks are engineered with integrated ribbing for added strength to withstand cracks, bowing and distortion during thermal cycles
  • Thermal expansion slots extend core life and reduce failure rates by allowing improved core expansion and contraction during systematic heat cycles
  • Oil cooler designs meet or exceed OE standards, keeping the vehicle’s engine and transmission performing at optimal conditions
  • OEM grade, premium fittings for transmission or engine oil coolers (where applicable)
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Carquest Premium – A/C Discharge Line Hose Assembly (Part No.T56487)

A/C Discharge Line Hose Assembly

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$99.99
Carquest Hose Assemblies are designed to carry refrigerant in an air conditioning system. They are manufactured to meet or exceed original equipment specifications and are designed to easily fit into the engine compartment.

Product Features:
  • 100% of hose assemblies use Goodyear hoses that meet original equipment specifications for wall thickness and permeation.
  • Tubes and mufflers are designed to meet original equipment specifications for wall thickness.
  • Fittings are designed to couple and seal to eliminate leaks. Trivalent plating is used on steel fittings to enhance corrosion resistance. The fittings conform to original equipment specifications to allow for the proper fit with related air conditioning
  • Welds and crimps meet and exceed original equipment tension specifications.
  • Manufactured to allow flexibility in the hose to conform to engine compartments.
  • O-Rings necessary for installation are included.
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ACDelco – 2-Way Female Black Multi-Purpose Pigtail (Part No.PT288)

2-Way Female Black Multi-Purpose Pigtail

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$59.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • 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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Dorman – HVAC Blend Door Actuator: 1 Piece (Part No.604-106)

HVAC Blend Door Actuator: 1 Piece

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$145.99
This air door actuator directly replaces the original actuator on specific vehicle years, makes, models, configurations and positions to restore proper HVAC operation. Please note that many vehicles have several different air door actuators, which are designed for specific positions and functions in the vehicle. To ensure you have what you need, carefully review the application notes for this part to verify it matches the position and function of the actuator you need to replace. In some online ordering systems, you may need to enter your vehicle information first to see the application notes for your vehicle. If you don’t know which actuator position you need to replace, consult a qualified service technician.

Product Features:
  • Direct replacement – made to match the fit and function of the original air door actuator on certain vehicle years, makes, models and configurations
  • Position specific – vehicles often have multiple different HVAC door actuators; review this part’s application notes to verify it matches the location and function of the actuator you need to replace
  • Durable construction – designed and tested to strict standards to help resist wear and electrical burnout for reliable operation and long service life
  • Trustworthy quality – backed by a team of experts and engineers in the United States, and more than a century of experience
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Factory Air – Compressor Mounted Low Cut-Out Pressure Switch (Part No.35970)

Compressor Mounted Low Cut-Out Pressure Switch

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$34.49
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Contains gaskets, O-rings, or seals to properly replace the product
  • Color coded for easy identification
  • Zinc coated to resist corrosion
  • Improved 2 terminal design replacing older 1 terminal switch
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Carquest Premium – Standard Thermostat: With Seal, 180 Degrees (Part No.267-180)

Standard Thermostat: With Seal, 180 Degrees

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$8.79
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
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TYC Genera – Blower Motor Assembly (Part No.R2031445589TYC)

Blower Motor Assembly

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$136.53
Maintaining warm or cool air circulating smoothly through a vehicle’s cabin is the key to passenger comfort. Manufactured to precision standards, a TYC brand Blower delivers the fit and quality you expect from the quality-driven reputation TYC/Genera has built. Your new TYC brand Blower is designed specifically for your vehicle and is ready to be installed quickly and easily under the dash, into the ventilation module. To guarantee the quietest operation, the sound of the operating motor is also tested to ensure comfortable air movement without excessive noise.

Product Features:
  • Manufactured to exact OEM specifications.
  • Direct Fit Replacement.
  • Application-specific motor and wheel,
  • OE-comparable connector
  • Hassle-free installation.
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Factory Air – Standard Relay (Part No.36008)

Standard Relay

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$27.49
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Precision engineered
  • OE style molded connectors
  • Quality contacts ensure proper conductivity
  • Vehicle specific applications
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MAHLE Original – WATER OUTLET GSK (Part No.C31900)

WATER OUTLET GSK

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$11.49
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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Carquest Premium – Multi Purpose Relay (Part No.RAA1737)

Multi Purpose Relay

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$31.49
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Felpro – Engine Water Pump Gasket (Part No.35756)

Engine Water Pump Gasket

from

$2.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
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ACDelco – Multi-Purpose Pigtail (Part No.PT2038)

Multi-Purpose Pigtail

from

$87.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • 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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Carquest – HVAC Blower Motor Resistor (Part No.RU1064)

HVAC Blower Motor Resistor

from

$30.49
BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:
  • All units are 100% tested using automated equipment that activates the switch, checks for leaks & stresses the part to ensure specification compliance, even under the most demanding operating conditions.
  • Robust design and high grade materials meet the stringent demands of today’s service professional
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ACDelco – Heating and Air Conditioning Panel Mode Door Actuator (Part No.15-73952)

Heating and Air Conditioning Panel Mode Door Actuator

from

$77.99
ACDelco GM Original Equipment HVAC Mode Door Actuators are electric motors attached to the HVAC housing that move or actuate the mode doors or flaps, directing the airflow to the desired outlet vents. These original equipment HVAC mode door actuators are GM-recommended replacements for your vehicle’s original components and have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Corrects mode door malfunction caused by a failed actuator
  • 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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KAI – Radiator Support Baffle (Part No.GM1218108)

Radiator Support Baffle

from

$64.99
New Standard Replacement Driver Side Radiator Support Baffle

Product Features:
  • Made Of Plastic
  • 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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ACDelco – A/C Service Valve (Part No.R1129947779ACD)

A/C Service Valve

from

$13.13
A/C Service Valve

Permatex – Sensor-Safe, High Torque RTV Silicone Gasket Maker (Part No.22074)

Sensor-Safe, High Torque RTV Silicone Gasket Maker

from

$6.99
Permatex Ultra Grey is specified for high torque and high vibration applications. Ultra Grey offers a sensor-safe, low odor, non-corrosive formula and is OEM specified to fit dealership warranty requirements. This high performance gasket maker meets performance specs of OE silicone gaskets and can be used on high torque and vibration applications such as valve covers, water pump, intake manifold end seals ad thermostat housings.

Product Features:
  • High torque and rigidity
  • Sensor-safe, non-corrosive formula
  • OEM specified
  • Low-odor, non-corrosive formula
  • Ideal for closed spaced bolt patterns
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ACDelco – Water Pump Gasket (Part No.G3040344873ACD)

Water Pump Gasket

from

$10.76
ACDelco is a global leader in automotive replacement parts and related services and offers quality aftermarket products for most makes and models, including General Motors, Ford, Chrysler, Toyota and Honda. ACDelco has over 100 years of experience in the automotive industry and is a brand of GM Customer Care and After sales, a division of General Motors.
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Imperial – Electric Fan – 14" Diameter (Part No.226114)

Electric Fan - 14" Diameter

from

$99.99
Product Features:
  • Motors built and tested to quality specifications
  • 14 in. universal fit reversible fan
  • 1250 CFM
  • UNIVERSAL fan, NOT a direct OE replacement. Measure core and verify space.
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KAI – A/C System Seal Kit (Part No.FTT010039)

A/C System Seal Kit

from

$18.99
New Standard Replacement A/C System Seal Kit, MT2550, L4 Engine

Product Features:
  • MT2550, L4 Engine
  • 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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Carquest Premium – Coolant Housing/Water Outlet (Part No.85253)

Coolant Housing/Water Outlet

from

$73.99
We are proud to offer this CARQUEST product line: CARQUEST Water Outlets. Our products are engineered and tested to provide years of trouble free operation and designed to be hassle free OE replacement part that meets and/or exceeds OE standards. Backed by over 50 years of mobile temperature control experience, fix it once and fix it right with CARQUST Water Outlets and Thermostat Housings.

Product Features:
  • Meets and/or exceeds OEM standard
  • Direct-fit replacement for ease of installation
  • Coated with corrosion and rust inhibitor
  • 100% leak tested
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Carquest Premium – A/C Compressor and Component Kit (Part No.1739K)

A/C Compressor and Component Kit

from

$359.99
Save time on installation with everything you need in one box for an air conditioning replacement. The Carquest Premium A/C Compressor and Component Kit includes the necessary compressor, accumulator/receiver drier, and orifice tube/expansion valve, along with the necessary O-rings, gaskets, and oil. The parts are manufactured with strict quality standards from Gilmore, a climate control partner to Advance Auto Parts for over 25 years.

Product Features:
  • Each new compressor design undergoes rigorous life cycle testing at high RPMs and pressures to ensure that they can withstand years in the harshest conditions.
  • New compressors are designed with utmost precision using 3D coordinate measuring machines to ensure a perfect fit.
  • The production process contains automated controls at every stage that alerts and halts production in case of an error, assuring that the finished product will always be flawless.
  • All new compressors must pass a helium leak test and pump up function test prior to packaging.
  • Accumulators and receiver driers meet or exceed original equipment standards for moisture absorption, pressure and temperature resistance, air tightness, vibration resistance, corrosiveness, and pulse pressure.
  • Desiccant is 100% tested and assembled in a controlled environment to ensure performance meets or exceeds original equipment standards.
  • All accumulators are helium leak tested prior to packaging.
  • Each orifice tube and expansion valve is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • The specific PAG oil required by your vehicle application is included.
  • O-rings and gaskets for all parts are application specific and packaged with the correct part to save time and eliminate the possibility of a leak from using the wrong O-ring or gasket.
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ACDelco – Black Multi-Purpose Pigtail (Part No.PT2647)

Black Multi-Purpose Pigtail

from

$31.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • 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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ACDelco – Engine Water Pump (Part No.252-845)

Engine Water Pump

from

$197.99
An ACDelco Professional, premium aftermarket Engine Water Pump circulates coolant through your vehicle’s radiator and engine system to help maintain proper engine temperature and performance. The gaskets, seals, and O-rings packaged with this Professional, premium aftermarket water pump help guarantee that all necessary parts are available for trouble-free installation. ACDelco Professional Water Pumps are a high quality replacement for many vehicles on the road today. This premium aftermarket replacement engine water pump is manufactured to meet your expectations for fit, form, and function.

Product Features:
  • All Makes water pumps fit GM vehicles as well as a wide range of non-GM vehicles
  • Thoroughly tested for reliable, leak-free performance
  • Coated seals support seal longevity and durability
  • Heat-treated shaft assemblies provide superior strength and durability over non-treated assemblies
  • High-quality bearings are permanently sealed and lubricated for greater durability and long life
  • Come with premium, high-quality replacement components needed for trouble-free and accurate installation
  • Uniform wall sections and smooth coolant-flow cavities for efficient operation
  • Cast-iron or aluminum design, depending on vehicle application
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ACDelco – Professional Water Pumps (Part No.G3000579033ACD)

Professional Water Pumps

from

$190.13
ACDelco Professional Water Pumps are the best way to make sure you have the proper heat protection for the engine in your car, truck or SUV. Built to meet the latest manufacturer-specified designs, ACDelco Water pumps, in both cast-iron and aluminum, are thoroughly pressure-tested to prevent leaks, and feature uniform wall sections and smooth coolant-flow cavities for efficient operation and superior engine protection. High-quality bearings, heat-treated impellers and coated seals mean long life and trouble-free ownership.

Product Features:
  • Original equipment design and quality
  • 100% new with no remanufactured parts
  • High quality cast housing
  • Advanced bearing design for high axial and radial stresses
  • Advanced sealing technology
  • Optimum cooling performance and longevity
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Popular 2012 GMC Sierra 2500 HD Cooling and Climate Controls Categories

2012 GMC Sierra 2500 HD Cooling and Climate Controls

You count on your 2012 GMC Sierra 2500 HD to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Cooling and Climate Controls. With 199 Cooling and Climate Controls ranging in price from $1.99 to $530.67, you’re sure to find everything you need for your 2012 GMC Sierra 2500 HD.

Brands matter. If you want to shop a specific Cooling and Climate Controls brand, we stock 25 different brands like Permatex, Carquest Premium, and FELPRO. 2012 GMC Sierra 2500 HD Cooling and Climate Controls start as low as $1.99!

One of the best ways to find top quality OEM or aftermarket Cooling and Climate Controls is by asking professionals. Short of that, you can shop with confidence thanks to our 14,028 extensive product reviews on 2012 GMC Sierra 2500 HD Cooling and Climate Controls. Some of the top-rated Cooling and Climate Controls products we carry are A/C Dark Grey Porous Orifice Tube with 4.7 stars and Engine Water Pump: New, Gasket/Seals Included with 4.4 stars.

Did we mention you can order your Cooling and Climate Controls from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Cooling and Climate Controls inventory for your 2012 GMC Sierra 2500 HD below to get started!

Top-Rated Cooling and Climate Controls Brands For Your 2012 GMC Sierra 2500 HD

Trusted Cooling and Climate Controls OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2012 GMC Sierra 2500 HD running right for years to come. In our inventory you’ll find brands like Permatex, Carquest Premium, FELPRO, and even more.

Popular ACDelco Cooling and Climate Controls

You’ll find popular ACDelco brand products across Engine Cooling Parts and Blend Doors. All are waiting to get your 2012 GMC Sierra 2500 HD back on the road. Some of the top-rated ACDelco products in these categories are:
Engine Coolant Temperature Sensor
from $34.99
(1)
Engine Coolant Temperature Sensor
Coolant Temperature Sensors
Heating and Air Conditioning Panel Mode Door Actuator
from $77.99
(1)
Heating and Air Conditioning Panel Mode Door Actuator
Heater Blend Doors
HVAC Blend Door Actuator: 1 Piece
from $251.99
(1)
HVAC Blend Door Actuator: 1 Piece
Air Blend Door Actuators

Top-Rated Permatex Cooling and Climate Controls


If Permatex are what you’re looking for, our inventory holds plenty. We stock Permatex brand Cooling and Climate Controls for your 2012 GMC Sierra 2500 HD, and some of our most reviewed Permatex parts include:
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
from $6.99
(288)
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
Engine Water Pump Inlet Pipe Gaskets
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
from $11.49
(95)
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
Water Pump Housing Gaskets
Sensor-Safe, High Torque RTV Silicone Gasket Maker
from $6.99
(9)
Sensor-Safe, High Torque RTV Silicone Gasket Maker
Engine Water Pump Inlet Pipe Gaskets

FAQs for 2012 GMC Sierra 2500 HD Cooling and Climate Controls

What are the most purchased Cooling and Climate Controls for the 2012 GMC Sierra 2500 HD?

Out of 199 Cooling and Climate Controls for the 2012 GMC Sierra 2500 HD, the most popular in our inventory are:
Engine Water Pump Gasket
from $6.49
(100)
Engine Water Pump Gasket
Water Pump Gaskets
Radiator Cap: 15 PSI
from $14.99
(59)
Radiator Cap: 15 PSI
Coolant Reservoir Caps
Standard Thermostat: With Seal, 187 Degrees
from $38.99
(45)
Standard Thermostat: With Seal, 187 Degrees
Thermostats

What are the top-rated 2012 GMC Sierra 2500 HD Cooling and Climate Controls?

Top-rated Cooling and Climate Controls for your 2012 GMC Sierra 2500 HD based on customer reviews/ratings are:
A/C Dark Grey Porous Orifice Tube
from $15.99
(97)
A/C Dark Grey Porous Orifice Tube
“Picture says it all – the 12-yr old tube was pretty filthy and not reusable. If you’re working on your A/C, this is a good item to replace while you'”
Engine Water Pump: New, Gasket/Seals Included
from $216.99
(41)
Engine Water Pump: New, Gasket/Seals Included
“Went to go change the thermostat and the bottom bolt broke, so a new water pump was needed. This one was in stock, so I ordered on the app and went t”
Automatic Headlight Control Relay
from $35.05
(36)
Automatic Headlight Control Relay
“headlight relay. fits and works”