2003 Dodge Ram 2500 Cooling and Climate Controls

Essential 2003 Dodge Ram 2500 Cooling and Climate Controls

Dorman – Engine Coolant Fan Motor Wiring Harness (Part No.645-505)

Engine Coolant Fan Motor Wiring Harness

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$32.49
This engine cooling fan motor wiring harness is designed to match the fit, function and appearance of the original harness on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this engine cooling fan motor wiring harness is designed to match the fit, function and appearance of the original harness on specified vehicles
  • Ideal solution – this harness is a reliable replacement for an original harness that is missing, failed or damaged due to corrosion
  • Durable construction – this harness is made from quality components to ensure reliable performance and a 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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Valeo – A/C Compressor w/ Clutch, New (Part No.R1000358159VAL)

A/C Compressor w/ Clutch, New

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$385.99
Valeo manufactures a new A/C Compressor with clutch assembly that is the same quality fit and performance of the OE compressor it replaces.

Product Features:
  • OEM Quality Direct fit Application
  • Guarantees OE quality performance, durability and fitment.
  • A product 100% ‘new’ developed by Valeo
  • Matching quality compressor.
  • Equipped with a new clutch assembly.
  • Design that associates performance, output and reliability.
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Factory Air – O-Ring & Gasket A/C System Seal Kit (Part No.26707)

O-Ring & Gasket A/C System Seal Kit

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$9.99
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
  • Application specific
  • SUV and rear air applications
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Mr. Gasket – Thermocap Radiator Cap (Part No.2471B)

Thermocap Radiator Cap

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$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
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VDO – Fan Clutch Blade (Part No.G5013424547VDO)

Fan Clutch Blade

from

$92.83
Fan Clutch Blade

Carquest Premium – A/C Liquid Line Hose Assembly w/ Captured Orifice Tube (Part No.T56828)

A/C Liquid Line Hose Assembly w/ Captured Orifice Tube

from

$49.49
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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Carquest Premium – A/C Discharge and Suction Line Hose Assembly (Part No.T56514)

A/C Discharge and Suction Line Hose Assembly

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$117.99
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.
  • O-Rings necessary for installation are included.
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Dorman – Remanufactured Climate Control Module (Part No.599-183)

Remanufactured Climate Control Module

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$244.99
Climate controls stopped working? Seamlessly restore operation by easily swapping the malfunctioning original module with this fully tested replacement unit.

Product Features:
  • Direct replacement – this HVAC control module matches the appearance and function of the original unit on specific vehicles
  • Functionality-tested – module has been tested to ensure the same operation as the stock module
  • Simple installation – no advanced vehicle knowledge is required for proper installation and setup
  • Trustworthy quality – backed by team of engineers and inspectors in the United States
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NTK – Engine Coolant Temperature Sensor (Part No.EF0095)

Engine Coolant Temperature Sensor

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$34.99
The Engine Coolant Temperature Sensor determines the exact temperature of the engine coolant by sending an analog signal to the ECM to censure proper air/fuel ratio along with proper operation of the cooling fan(s) and temperature gauge. The Engine Coolant Temperature Sensor may be located on the cylinder head, engine block, thermostat housing or intake manifold. Reasons for replacement include: check engine light illumination, erratic or no temperature gauge operation, erratic or no cooling fan operation, and engine overheating.

Product Features:
  • OE MATCHED: Wires and probe length match OE. Mounting clip(s) included where applicable
  • FASTER RESPONSE TIME: Thermal conductive grease inside brass housing increases sensor response time
  • THE NTK DIFFERENCE: Thread sealant/o-ring installed where applicable. Thermistor placement within the housing matches OE to ensure proper output. Proper thermal conductive grease to provide accurate temperature transfer to the thermistor
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Dorman – HVAC Heater Core Tube (Part No.626-321)

HVAC Heater Core Tube

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$127.99
This HVAC heater core tube is designed to match the fit and function of the original tube on specified applications, and is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this HVAC heater core tube is designed to match the fit and function of the original tube on specified applications
  • Restores functionality – reliable replacement for an original part that is leaking or has failed due to corrosion
  • 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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Dorman – Dual Coolant / Windshield Washer Fluid Reservoir: White, Plastic, Original Equipment Replacement (Part No.603-575)

Dual Coolant / Windshield Washer Fluid Reservoir: White, Plastic, Original Equipment Replacement

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$162.99
This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit and function of the original part.

Product Features:
  • Direct replacement – this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution – engineered for a seamless installation
  • Durable construction – manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design – backed by 100 years of automotive aftermarket experience
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Carquest Premium – A/C Condenser (Part No.3177)

A/C Condenser

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$196.99
The Carquest condenser is an integral component of the motor vehicle air conditioning system. This part condenses the refrigerant into a liquid to prepare it for entry into the compressor. The condenser is manufactured according to OEM design specificat

Product Features:
  • This is a parallel flow condenser that contains small micro-channels. It is highly recommended that this condenser be replaced if a failure has occurred in the vehicle’s air conditioning system that has resulted in debris contaminating the system. This
  • The Carquest condenser production process includes quality driven details such as using zinc-coated tubes and electrostatic paint spray at high temperatures to provide the best corrosion resistance and durability in our condensers.
  • Continuous molds, laser welding machines, semi-automatic assembly stations and other advanced equipment provide quality products.
  • Each condenser uses only the highest quality raw materials including pure aluminum (not substandard or recycled) to provide the highest quality standards from beginning to finished product.
  • All brackets are designed per OEM specifications to ensure strength and reduce vibration and movement.
  • We leak test 100% of our condensers in helium leak test chambers to ensure the product does not leak.
  • Our condensers are manufactured from rigid design standards to fit OEM dimensions.
  • Each condenser design endures a series of tests that includes performance testing, vibration testing, blast testing, and salt spray testing to simulate real world conditions.
  • Each Carquest condenser is packaged using superior box construction. This box is easy to open and seal. Each condenser is packaged in the box with internal protection to keep the part centered and away from the package edges. The package passes the fre
  • Each condenser uses only the highest quality raw materials including pure aluminum (not substandard or recycled) to ensure the highest quality standards from beginning to finished product.
  • All brackets are designed per OEM specifications to ensure strength and reduce vibration and movement.
  • We leak test 100% of our condensers in helium leak test chambers to ensure the product does not leak. This industry leading process is the most precise method and can detect even the smallest leak. The leak-free condenser is then charged with nitrogen and
  • Our condensers are manufactured from rigid design standards to match OEM dimensions. Each design undergoes a drop fit into the actual vehicle to ensure the final manufactured product provides an easy installation.
  • Each condenser design endures a series of tests that includes performance testing, vibration testing, blast testing, and salt spray testing to simulate real world conditions.
  • vibration testing
  • blast testing
  • and salt spray testing to simulate real world conditions.
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Carquest Premium – Coolant Housing/Water Outlet: Gasket Included (Part No.85181)

Coolant Housing/Water Outlet: Gasket Included

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$19.99
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
  • Includes quality gasket or O-ring to ensure proper seal (where applicable)
  • Coated with corrosion and rust inhibitor
  • 100% leak tested
  • Direct-fit replacement for ease of installation
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Carquest Premium – Radiator (Part No.432512)

Radiator

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$239.99
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
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Carquest Premium – A/C Pressure Transducer Connector (Part No.PTA1151)

A/C Pressure Transducer Connector

from

$25.99
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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Dorman – HVAC Blend Door Repair Kit: Blend Door; Metal Tape, 1 Pack (Part No.902-323)

HVAC Blend Door Repair Kit: Blend Door; Metal Tape, 1 Pack

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$91.99
This HVAC blend door repair kit is designed to match the original components required to repair the blend door on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this HVAC blend door repair kit is designed to match the original components required to repair the blend door on specified vehicles
  • Ideal solution – this kit is a reliable replacement for original components that are damaged of have failed
  • Durable construction – this kit is made from quality components to ensure reliable performance and a 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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Carquest Premium – Blower Motor: With Wheel (Part No.75888)

Blower Motor: With Wheel

from

$74.99
Carquest Premium Blower Motors are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it once and fix it right with Carquest Premium Blower Motors. Meets or exceeds OE design. Magnetic size and properties compare or exceed OEM. Windings meet or exceed OEM Specifications. Motor RPM equivalent to or exceeds OEM motor.

Product Features:
  • Meets or exceeds OE design and performance
  • Magnetic size and properties compare or exceed OEM
  • Windings meet or exceed OEM specifications
  • Motor RPM equivalent to or exceeds OEM motor
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Motorad UltraStats – Thermostat: With Seal, 192 Degrees (Part No.5426-190)

Thermostat: With Seal, 192 Degrees

from

$53.99
This premium upgraded thermostat is everything you were looking for. UltraStat Thermostats are the toughest thermostats on the market. All heavy gauge stainless steel construction provides long-life durability, as well as complete corrosion resistance. Exclusive BLVT Valve technology minimizes thermal shock to cooling system components. This is the perfect upgrade to help insure your cooling system is working exactly as you need and expect it to for longevity.

Product Features:
  • Heavy gauge stainless steel components offer increased reliability and long-lasting durability
  • Exclusive BLVT Valve Technology minimizes thermal shock to cooling system components
  • Stainless steel thermal element for unmatched corrosion resistance and revolutionary REAX wax mixture provides quicker reaction time
  • AccuSpring Design for stable temperature control and increased cabin comfort
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Dorman – Clutch Fan Blade: Plastic, Cost Effective And Reliable (Part No.620-058)

Clutch Fan Blade: Plastic, Cost Effective And Reliable

from

$146.99
Replace your damaged cooling fan blade with this direct replacement. This vehicle-specific application is engineered for a perfect fit and is made from quality materials to ensure durability and restore proper cooling system operation.

Product Features:
  • Direct replacement – this engine cooling fan blade fits and functions like the original equipment fan blade
  • Quality construction – manufactured from premium materials for a long service life
  • Excellent value – original equipment quality at a lower price
  • Quality tested – has undergone testing to ensure proper fit and performance
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Carquest Premium – Universal Fan Clutch – 7" Thermal Heavy Duty (Part No.215135)

Universal Fan Clutch - 7" Thermal Heavy Duty

from

$87.99
Please note: Advance Auto Parts is proud to carry comparable exact-fit parts from multiple vendors, as such, the item you receive may be one of two quality brands. Both brands meet the same fitment requirements and are equal in their performance and specifications. The fan clutch is the component of the cooling system that varies the fan speed to meet the cooling needs of the engine. The fan clutch provides high airflow volume and, by only operating the fan as needed, promotes good fuel economy. CARQUEST fan clutches are designed to meet OE performance specifications.

Product Features:
  • CARQUEST Premium Fan Clutch
  • 7″ thermal heavy-duty
  • Designed, tested and built by application
  • OE performance, fit and appearance
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Permatex – Sensor-Safe, High-Torque RTV Silicone Gasket Maker (Part No.82194)

Sensor-Safe, High-Torque RTV Silicone Gasket Maker

from

$11.49
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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Dorman – Coolant Housing/Water Outlet: With Housing, 180 Degree Neck Angle (Part No.902-3026)

Coolant Housing/Water Outlet: With Housing, 180 Degree Neck Angle

from

$38.49
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
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Carquest Premium – Multi Purpose Relay (Part No.RAA1235)

Multi Purpose Relay

from

$10.49
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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US MOTOR WORKS – Water Pump with Fan Clutch (Part No.MCK1078)

Water Pump with Fan Clutch

from

$111.99
US Motor Works Professional Series Water Pump with Fan Clutch are designed to replace the mechanical components of a cooling system. A proper water pump replacement should include a new fan clutch as the two are connected to the same shaft and work together to move the air and cooling fluid. Replacing one without the other can damage the new part and cause repeat work or engine trouble. This matched set will allow your vehicle continued operation in the demanding environment of today’s engine. All components are brand new and QA inspected for perfect fit and function. Restore your cooling power by installing a US Motor Works Professional Series Water Pump with Fan Clutch.

Product Features:
  • Fan clutch mounts to the water pump and should be replaced at the same time.
  • Matched set for proper water pump or fan clutch replacement
  • Includes mounting hardware, gaskets and accessories as required.
  • Complete mechanical cooling parts replacement
  • Factory tested and 100% new product
  • Meets or exceeds OEM quality
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Carquest Premium – A/C Block Type O-Ring Expansion Valve (Part No.T39345)

A/C Block Type O-Ring Expansion Valve

from

$31.99
Carquest Expansion Valves are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each expansion valve is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • The bodies of these expansion valves are machined from a single block of aluminum or brass metal.
  • Each expansion valve has settings for tonnage and superheat based on the vehicle specifications.
  • Each expansion valve is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • O-Rings necessary for installation are included.
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Stant – GSKT THEMOSTAT (Part No.27138)

GSKT THEMOSTAT

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$0.79
GSKT THEMOSTAT

Dorman – Help – Water Pump Inlet Tube With Gasket (Part No.56399)

Water Pump Inlet Tube With Gasket

from

$34.99
This engine water pump inlet tube is designed to match the fit and function of the original tube on specified applications, and is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this engine water pump inlet tube is designed to match the fit and function of the original tube on specified applications
  • Restores functionality – reliable replacement for an original part that has failed due to corrosion from heat and water cycling
  • 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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Carquest Premium – Engine Camshaft Position Sensor Connector (Part No.PTA1055)

Engine Camshaft Position Sensor Connector

from

$21.99
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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Popular 2003 Dodge Ram 2500 Cooling and Climate Controls Categories

2003 Dodge Ram 2500 Cooling and Climate Controls

You count on your 2003 Dodge Ram 2500 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 159 Cooling and Climate Controls ranging in price from $1.99 to $645.99, you’re sure to find everything you need for your 2003 Dodge Ram 2500.

Brands matter. If you want to shop a specific Cooling and Climate Controls brand, we stock 22 different brands like Permatex, Carquest Premium, and Dorman. 2003 Dodge Ram 2500 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 11,702 extensive product reviews on 2003 Dodge Ram 2500 Cooling and Climate Controls. Some of the top-rated Cooling and Climate Controls products we carry are Radiator Cap: 16 PSI with 4.7 stars and Radiator 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 2003 Dodge Ram 2500 below to get started!

Top-Rated Cooling and Climate Controls Brands For Your 2003 Dodge Ram 2500

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 2003 Dodge Ram 2500 running right for years to come. In our inventory you’ll find brands like Permatex, Carquest Premium, Dorman, and even more.

Popular Motorad UltraStats Cooling and Climate Controls

You’ll find popular Motorad UltraStats brand products across Engine Cooling Parts. All are waiting to get your 2003 Dodge Ram 2500 back on the road. Some of the top-rated Motorad UltraStats products in these categories are:
Thermostat: With Seal, 192 Degrees
from $53.99
(1)
Thermostat: With Seal, 192 Degrees
Thermostats

FAQs for 2003 Dodge Ram 2500 Cooling and Climate Controls

What are the most purchased Cooling and Climate Controls for the 2003 Dodge Ram 2500?

Out of 159 Cooling and Climate Controls for the 2003 Dodge Ram 2500, the most popular in our inventory are:
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
Engine Coolant Thermostat Housing Gasket
from $7.79
(40)
Engine Coolant Thermostat Housing Gasket
Thermostat Housing Gaskets

What are the top-rated 2003 Dodge Ram 2500 Cooling and Climate Controls?

Top-rated Cooling and Climate Controls for your 2003 Dodge Ram 2500 based on customer reviews/ratings are:
Radiator Cap: 16 PSI
from $13.49
(65)
Radiator Cap: 16 PSI
“Cap fit perfect”
Radiator
from $239.99
(60)
Radiator
“Excellent radiator thus far, went in quick…250+ miles on truck after replacement, all good thus far.”
Engine Water Pump: New, Gasket/Seals Included
from $62.99
(52)
Engine Water Pump: New, Gasket/Seals Included
“The carquest crew in Havelock always easy to work with.”