2003 Mack RB Cooling and Climate Controls

Essential Cooling and Climate Controls for 2003 Mack RBs

Carquest Premium – Coolant Spin-on with BTE Formula (Part No.89428)

Coolant Spin-on with BTE Formula

from

$28.99
CARQUEST HD coolant filters are designed to meet or exceed OE performance over the entire OE recommended service interval.

Product Features:
  • Standard life Spin-on coolant filter
  • Made in USA
  • Includes 10 Units BTE
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Dorman – HD Solutions – HVAC Blend Door Actuator: 1 Piece (Part No.604-5155)

HVAC Blend Door Actuator: 1 Piece

from

$58.99
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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Dorman – HVAC Blend Door Actuator: 1 Piece (Part No.604-100)

HVAC Blend Door Actuator: 1 Piece

from

$49.49
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
See More

Gates – Heavy-Duty Engine Water Pump (Part No.43240HD)

Heavy-Duty Engine Water Pump

from

$256.99
Product Features:
  • Our heavy-duty water pump o+ering is designed to handle severe and rigorous conditions
  • 100 percent fully tested unitized bearings and seals
  • Computerized machined surfaces for proper fit and sealing
  • Gates heavy-duty water pumps are represented as a part number with an HD suffix
  • Warranty: 18 months or 150,000 miles/5,400 hours, whichever comes first
  • New pumps manufactured to ISO/TS 16949 standards
See More

Gates – Heavy-Duty Engine Water Pump (Part No.43236HD)

Heavy-Duty Engine Water Pump

from

$624.99
Product Features:
  • Our heavy-duty water pump o+ering is designed to handle severe and rigorous conditions
  • 100 percent fully tested unitized bearings and seals
  • Computerized machined surfaces for proper fit and sealing
  • Gates heavy-duty water pumps are represented as a part number with an HD suffix
  • Warranty: 18 months or 150,000 miles/5,400 hours, whichever comes first
  • New pumps manufactured to ISO/TS 16949 standards
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 190 Degrees (Part No.14239)

Heavy Duty Thermostat: With Seal, 190 Degrees

from

$40.99
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
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 180 Degrees (Part No.14538)

Heavy Duty Thermostat: With Seal, 180 Degrees

from

$37.49
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
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 180 Degrees (Part No.15228)

Heavy Duty Thermostat: With Seal, 180 Degrees

from

$50.99
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
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 160 Degrees (Part No.14536)

Heavy Duty Thermostat: With Seal, 160 Degrees

from

$35.99
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
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 190 Degrees (Part No.14539)

Heavy Duty Thermostat: With Seal, 190 Degrees

from

$38.49
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
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 170 Degrees (Part No.14537)

Heavy Duty Thermostat: With Seal, 170 Degrees

from

$50.99
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
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 190 Degrees (Part No.15229)

Heavy Duty Thermostat: With Seal, 190 Degrees

from

$51.99
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
See More

Carquest Premium – HVAC Pressure Switch (Part No.ACA1314)

HVAC Pressure Switch

from

$39.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to meet or exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Switch.
  • All units are tested using advanced end-of-line equipment that pressurize the A/C Pressure Switch, confirm proper calibration and functionality, and check for leaks to ensure each A/C Pressure Switch meets manufacturing specifications before packaging.
See More

Carquest Premium – HVAC Pressure Switch (Part No.ACA1331)

HVAC Pressure Switch

from

$39.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to meet or exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Switch.
  • All units are tested using advanced end-of-line equipment that pressurize the A/C Pressure Switch, confirm proper calibration and functionality, and check for leaks to ensure each A/C Pressure Switch meets manufacturing specifications before packaging.
See More

Carquest Premium – HVAC Pressure Switch (Part No.ACA1306)

HVAC Pressure Switch

from

$37.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to meet or exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Switch.
  • All units are tested using advanced end-of-line equipment that pressurize the A/C Pressure Switch, confirm proper calibration and functionality, and check for leaks to ensure each A/C Pressure Switch meets manufacturing specifications before packaging.
See More

Carquest Premium – HVAC Pressure Switch (Part No.ACA1803)

HVAC Pressure Switch

from

$30.49
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to meet or exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Switch.
  • All units are tested using advanced end-of-line equipment that pressurize the A/C Pressure Switch, confirm proper calibration and functionality, and check for leaks to ensure each A/C Pressure Switch meets manufacturing specifications before packaging.
See More

Carquest Premium – A/C Clutch Cycle Switch (Part No.ACA1259)

A/C Clutch Cycle Switch

from

$11.79
The main device in any electrical circuit is a switch. In an electrical circuit a device is required to turn a component on or off when commanded by the operator, within the switch are contacts that will complete the electrical path to the load, or driven device. The operation of a switch may be manual from a person or could be electrical from some sort of controller or computer.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
  • Where applicable electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
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Carquest Premium – HVAC Pressure Switch (Part No.ACA1776)

HVAC Pressure Switch

from

$53.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to meet or exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Switch.
  • All units are tested using advanced end-of-line equipment that pressurize the A/C Pressure Switch, confirm proper calibration and functionality, and check for leaks to ensure each A/C Pressure Switch meets manufacturing specifications before packaging.
See More

Carquest Premium – HVAC Pressure Switch (Part No.ACA1465)

HVAC Pressure Switch

from

$40.49
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to meet or exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Switch.
  • All units are tested using advanced end-of-line equipment that pressurize the A/C Pressure Switch, confirm proper calibration and functionality, and check for leaks to ensure each A/C Pressure Switch meets manufacturing specifications before packaging.
See More

Carquest Premium – A/C Compressor Cut-Out Switch (Part No.ACA1268)

A/C Compressor Cut-Out Switch

from

$4.29
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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Carquest Premium – Standard Rotation Blower Motor Wheel (Part No.35608)

Standard Rotation Blower Motor Wheel

from

$25.99
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Galvanized steel construction
  • Meets all requirements of international standard ISO 140
  • Suitable for a wide variety of applications
  • Set screw installation
See More

Upgrade your 2003 Mack RB with Top-Quality Cooling and Climate Controls

When it comes to maintaining or upgrading your 2003 Mack RB, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Mack or enhancing its overall performance, Cooling and Climate Controls are key to keeping your RB functioning at its best. At Advance Auto Parts, we offer a wide selection of 13 Cooling and Climate Controls for the 2003 Mack RB, designed to meet your needs without breaking the bank. From Engine Cooling Part replacements to Air Conditioning Parts upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Cooling and Climate Controls for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Cooling and Climate Controls for your 2003 Mack RB at great prices. Our Cooling and Climate Controls inventory for this model ranges from just $25.99 to $624.99, with an average price of $88.41. Our 13 Cooling and Climate Controls in stock come from 3 trusted brands, so you’re sure to find the right part for your 2003 Mack RB without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2003 Mack RB, we stock popular OEM and aftermarket Cooling and Climate Controls from top names like Dorman Carquest Premium, and more. Dorman Cooling and Climate Controls start at just $49.49 and boast an impressive 4 stars average rating from customers. With 26 customer reviews and counting, our 2003 Mack RB Cooling and Climate Controls have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Cooling and Climate Control upgrades. Explore related part types like Batteries and Chargers, Fluids and Chemicals and more to make sure your 2003 Mack RB is always ready to roll. We’re committed to providing you with everything you need to keep your RB in top shape, all in one place. Start shopping confidently below for your 2003 Mack RB!

Best-Selling Engine Cooling Parts for 2003 Mack RBs

Enhance the driving experience in your Mack with 9 quality Engine Cooling Part components, starting at $28.99.

Carquest Premium – Heavy Duty Thermostat: With Seal, 190 Degrees (Part No.14539)

Heavy Duty Thermostat: With Seal, 190 Degrees

from

$38.49
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
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 190 Degrees (Part No.15229)

Heavy Duty Thermostat: With Seal, 190 Degrees

from

$51.99
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
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 180 Degrees (Part No.15228)

Heavy Duty Thermostat: With Seal, 180 Degrees

from

$50.99
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
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 190 Degrees (Part No.14239)

Heavy Duty Thermostat: With Seal, 190 Degrees

from

$40.99
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
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 160 Degrees (Part No.14536)

Heavy Duty Thermostat: With Seal, 160 Degrees

from

$35.99
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
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 170 Degrees (Part No.14537)

Heavy Duty Thermostat: With Seal, 170 Degrees

from

$50.99
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
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 180 Degrees (Part No.14538)

Heavy Duty Thermostat: With Seal, 180 Degrees

from

$37.49
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
See More

Carquest Premium – Coolant Spin-on with BTE Formula (Part No.89428)

Coolant Spin-on with BTE Formula

from

$28.99
CARQUEST HD coolant filters are designed to meet or exceed OE performance over the entire OE recommended service interval.

Product Features:
  • Standard life Spin-on coolant filter
  • Made in USA
  • Includes 10 Units BTE
See More

Gates – Heavy-Duty Engine Water Pump (Part No.43236HD)

Heavy-Duty Engine Water Pump

from

$624.99
Product Features:
  • Our heavy-duty water pump o+ering is designed to handle severe and rigorous conditions
  • 100 percent fully tested unitized bearings and seals
  • Computerized machined surfaces for proper fit and sealing
  • Gates heavy-duty water pumps are represented as a part number with an HD suffix
  • Warranty: 18 months or 150,000 miles/5,400 hours, whichever comes first
  • New pumps manufactured to ISO/TS 16949 standards
See More

Most Popular 2003 Mack RB Air Conditioning Parts

Customize your Mack with 1 Air Conditioning Parts products like AC High Pressure Side Switches, all priced under $53.99.

Carquest Premium – HVAC Pressure Switch (Part No.ACA1776)

HVAC Pressure Switch

from

$53.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to meet or exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Switch.
  • All units are tested using advanced end-of-line equipment that pressurize the A/C Pressure Switch, confirm proper calibration and functionality, and check for leaks to ensure each A/C Pressure Switch meets manufacturing specifications before packaging.
See More

Top Picks for 2003 Mack RB Blend Doors

Upgrade Mack RBs with top-quality Blend Doors parts, including 2 OEM and aftermarket selections for your 2003 model.

Dorman – HVAC Blend Door Actuator: 1 Piece (Part No.604-100)

HVAC Blend Door Actuator: 1 Piece

from

$49.49
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
See More

Dorman – HD Solutions – HVAC Blend Door Actuator: 1 Piece (Part No.604-5155)

HVAC Blend Door Actuator: 1 Piece

from

$58.99
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
See More

In-Demand Blower Motor and Related Products for 2003 Mack RBs

Select from 1 premium Blower Motor and Related Products parts for your 2003 Mack RB.

Carquest Premium – Standard Rotation Blower Motor Wheel (Part No.35608)

Standard Rotation Blower Motor Wheel

from

$25.99
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Galvanized steel construction
  • Meets all requirements of international standard ISO 140
  • Suitable for a wide variety of applications
  • Set screw installation
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Top-Rated Cooling and Climate Controls Brands For Your 2003 Mack RB

Shop for the best-rated brands offering Cooling and Climate Controls and other products for your 2003 Mack RBs. Below you’ll find some of our best rated Cooling and Climate Controls from Dorman and Carquest Premium, and more. Cooling and Climate Controls from these brands that fit a 2003 RB start at just $25.99 and are rated as high as 4 stars. OEM and aftermarket Cooling and Climate Controls don’t get more top quality, durable, and affordable than from the brands below.

Popular Dorman 2003 Mack RB Cooling and Climate Controls

When it comes to maintaining or upgrading your 2003 Mack RB, using quality Cooling and Climate Controls is essential to ensure durability and a perfect fit. Dorman ticks all of those boxes. We offer a wide selection of Dorman Cooling and Climate Controls, specifically designed for the 2003 Mack RB. With over 2 Dorman brand Cooling and Climate Controls in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $49.49, with an average price of just $54.24. Plus, with over 11 customer reviews and an average rating of 4 stars, you can trust that our Dorman Cooling and Climate Controls will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

HVAC Blend Door Actuator: 1 Piece
from
$58.99
This product is not rated

HVAC Blend Door Actuator: 1 Piece

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HVAC Blend Door Actuator: 1 Piece
from
$49.49

(11)

HVAC Blend Door Actuator: 1 Piece

“Works perfect, customer was very happy, not hearing the clicking no anymore”

Popular Carquest Premium 2003 Mack RB Cooling and Climate Controls

Carquest Premium auto parts is one of the highest quality Cooling and Climate Control brands in the market. Any 2003 Mack RB owner should feel confident when installing genuine Carquest Premium parts in their vehicle. To ensure the best fit and performance for your 2003 RB, Advance Auto Parts carries a full inventory of 10 Carquest Premium Cooling and Climate Controls. Plus you will be keeping your Mack in peak condition while saving money because prices on these Carquest Premium Cooling and Climate Controls range from $25.99 to $53.99, plus, with more than 2 customer reviews and an impressive 4 stars average rating, you can be confident the Fram Cooling and Climate Controls below will deliver on both quality and value.

Heavy Duty Thermostat: With Seal, 180 Degrees
from
$50.99
This product is not rated

Heavy Duty Thermostat: With Seal, 180 Degrees

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Heavy Duty Thermostat: With Seal, 190 Degrees
from
$38.49
This product is not rated

Heavy Duty Thermostat: With Seal, 190 Degrees

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Heavy Duty Thermostat: With Seal, 190 Degrees
from
$51.99
This product is not rated

Heavy Duty Thermostat: With Seal, 190 Degrees

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FAQs for 2003 Mack RB Cooling and Climate Controls

Which Cooling and Climate Controls are best-sellers for 2003 Mack RBs?

Out of 13 Cooling and Climate Controls that fit 2003 Mack RBs, the following parts are the top sellers:

What’s the price range for 2003 Mack RB Cooling and Climate Controls?

Cooling and Climate Control prices for the 2003 Mack RB start at $25.99 and go up to $624.99 for the most premium parts.

What’s the average price of a Cooling and Climate Control for a 2003 Mack RB?

The average price for Cooling and Climate Controls for the 2003 Mack RB is $88.41. Keep in mind the variety of part types within our Cooling and Climate Control category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Cooling and Climate Controls for other Mack RB model years?

Yes, we currently carry Cooling and Climate Controls for 16 model years of Mack RBs between 1989 and 2005. Cooling and Climate Controls are bought most frequently for the following model years: 2005, 2004, 2002, 2001, 2000, 1999, 1998, 1997, and 1996.

What are the cheapest Cooling and Climate Controls for my 2003 Mack RB?

The cheapest 2003 Mack RB Cooling and Climate Controls we carry in stock are:

What are the top-rated Cooling and Climate Controls that fit the 2003 Mack RB?

Out of 26 reviews by customers, our 2003 Mack RB Cooling and Climate Controls have an average customer rating of . These are some of the highest-rated Cooling and Climate Control types for the 2003 Mack RB and their top-rated products:

What types of Cooling and Climate Controls do you sell for my 2003 Mack RB?

Can I get help with 2003 Mack RB Cooling and Climate Control orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Mack Cooling and Climate Controls and more.

What is your return policy for Mack RB Cooling and Climate Controls?

Advance Auto Parts keeps returns simple. For new Mack RB Cooling and Climate Controls and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.