2003 Pontiac Bonneville Cooling and Climate Controls

Essential 2003 Pontiac Bonneville Cooling and Climate Controls

Motorad – Thermostat Kit: Includes Housing, Thermostat and Gasket, 195 Degrees (Part No.4844KT)

Thermostat Kit: Includes Housing, Thermostat and Gasket, 195 Degrees

from

$20.99
Kit includes thermostat, housing, and all necessary seals/gaskets to do the complete job. These individual parts are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat and housing 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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Dorman – Coolant Air Bleeder Screw (Part No.902-112)

Coolant Air Bleeder Screw

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$16.99
This engine coolant bleeder screw has been manufactured from durable material to prevent cooling system leaks. Matches the original screw for fit and function.

Product Features:
  • Ideal replacement – this engine coolant bleeder screw matches fit and function of the original equipment screw
  • Durable materials – designed to withstand high cooling system temperatures and pressures
  • Cost-effective solution – this bleeder screw offers original equipment quality at a competitive price
  • Quality tested – this part has undergone try-on and material testing to ensure a quality fit and long service life
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GM Genuine Parts – Air Conditioning Evaporator Fitting Gasket (Part No.15-2722)

Air Conditioning Evaporator Fitting Gasket

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$11.29
GM Genuine Parts A/C Refrigerant Line Seal Kits are designed, engineered, and tested to rigorous standards, and are backed by General Motors. 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:
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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ACDelco – 15-8498 GM Original Equipment Engine Cooling Fan Motor (Part No.G5006209002ACD)

15-8498 GM Original Equipment Engine Cooling Fan Motor

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$161.21
ACDelco GM Original Equipment Engine Cooling Fan Motors supply power to the engine cooling fan so that it can move air across the radiator and A/C condenser, helping to cool the system. This original equipment engine cooling fan motor is a GM-recommended replacement for your vehicle’s original components and has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • 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 – HVAC Blend Door Actuator: 1 Piece (Part No.15-72971)

HVAC Blend Door Actuator: 1 Piece

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$251.99
ACDelco GM Original Equipment HVAC Air Valve Actuator is a GM-recommended replacement component for one or more of the following vehicle systems: hvac. This original equipment actuator will provide the same performance, durability, and service life you expect from General Motors.

Product Features:
  • 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 – Heater Core (Part No.398219)

Heater Core

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$52.99
Carquest Premium offers a complete line of automotive heater cores covering 94% of all North American vehicle applications. Carquest Premium provides value in several ways, including increased thermal performance and resistance to corrosion using enhanced design features, such as the latest fin and tube technology and design standardization for maximum availability. Carquest Premium offers certified heater cores that meet or exceed OE specifications and are all fitment checked in the actual vehicle’s HVAC heater module and are, thus, ready to be installed right out of the box for a “Drop-In Fit”. Carquest Premium heater cores are engineered and manufactured under ISO TS16949 quality systems and are 100% leak tested.

Product Features:
  • All heater cores are designed and tested to match or exceed OE specifications for form, fit and performance with a clear focus on obtaining the highest heat transfer performance possible through use of quality materials and manufacturing processes to ensu
  • Carquest Premium heater cores are engineered and manufactured under ISO TS16949 quality systems and are 100% leak tested.
  • Provides value in several ways, including increased thermal performance and resistance to corrosion using enhanced design features, such as the latest fin and tube technology and design standardization for maximum availability.
  • Carquest Premium offers a complete line of automotive heater cores covering 94% of all North American vehicle applications.
  • Our advanced engineering methods coupled with our innovative manufacturing technology provides products to the aftermarket that meet or exceed form, fit, and function of OEM Parts
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Carquest Premium – Engine Water Pump: New (Part No.T2269)

Engine Water Pump: New

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$49.99
Carquest Premium drive motor inverter cooler water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, impeller, controller, gaskets, and seals are designed for long-lasting service life. These electric water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium auxiliary water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.

Product Features:
  • Built to meet or exceed OE fit, form and function
  • All components necessary for installation are supplied with pump
  • 100% tested for reliable performance
  • Follow all enclosed instructions to maximize pump life and validate warranty
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Carquest Premium – A/C Compressor Clutch Relay Connector (Part No.PTA1269)

A/C Compressor Clutch Relay Connector

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$5.29
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.

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 – Help – Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack (Part No.54217)

Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack

from

$21.99
Cracked or lost the original engine coolant reservoir cap? Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.

Product Features:
  • Direct replacement – this engine coolant reservoir cap directly replaces a cracked or lost original cap
  • Application specific – made to match dimensions of reservoir cap on only certain vehicle years, makes and models
  • Seamless fit – reverse-engineered from the original equipment to fit perfectly
  • Excellent value – a quick, easy replacement that’s less expensive than going back to the dealership
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Carquest – Multi Purpose Relay (Part No.83A1008)

Multi Purpose Relay

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$17.29
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • High-quality products that meet OE appearance and performance to
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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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Carquest Premium – Door Module Connector (Part No.PTC2523)

Door Module Connector

from

$61.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • CarQuest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
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Carquest Premium – ABS Harness Connector (Part No.PTA1137)

ABS Harness Connector

from

$14.99
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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Flex A Lite – Trimline Straight Blade Electric Fan (Part No.114)

Trimline Straight Blade Electric Fan

from

$125.99
Trimline Straight Blade Electric Fan

Carquest Premium – HVAC Blower Motor Resistor (Part No.RUC1304)

HVAC Blower Motor Resistor

from

$48.99
Carquest premium direct replacement resistors are designed to match the operation and performance of the original equipment to restore the proper heating and cooling functionality.

Product Features:
  • Restores Functionality- Manufactured to original equipment specifications to restore full HVAC operation
  • Original equipment quality – Carquest blower motor resistors meet the high quality material standards and tolerances as the original equipment
  • Complete kit – Each kit includes the resistor, connector, and splice connectors to complete the job
  • Direct replacement – Carquest blower motor resistor kits are a direct replacement to the original equipment resistor
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Carquest Premium – A/C Accumulator (Part No.T33104)

A/C Accumulator

from

$14.99
Carquest Accumulators and Receiver Driers are designed to store, filter and dry the air conditioning refrigerant to provide proper performance and durability for the air conditioning system. They are manufactured to meet or exceed original equipment specifications.

Product Features:
  • All parts 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 and receiver driers are helium leak tested prior to packaging.
  • O-Rings necessary for installation are included.
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Carquest Premium – Body Wiring Harness Connector (Part No.PTC1194)

Body Wiring Harness Connector

from

$85.99
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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Carquest Premium – Coolant Housing/Water Outlet: Gasket Included (Part No.84843)

Coolant Housing/Water Outlet: Gasket Included

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$25.49
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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ACDelco – A/C Pressure Switch (Part No.R1054851599ACD)

A/C Pressure Switch

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$54.74
A/C Pressure Switch

Carquest Premium – Radiator Cap Tester Adapter (Part No.12552)

Radiator Cap Tester Adapter

from

$14.29
Tester adapter for the MT-300 cooling system pressure testers. Professional grade test equipment to ensure an automotive cooling system is operating at the correct pressure. Made from high quality materials to ensure durability. Designed to test automotive coolant caps.

Product Features:
  • Machined metal construction
  • Works with MT-300 pressure tester
  • Tests coolant caps
  • Professional quality
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KAI – Radiator Support Tie Bar (Part No.GM1225205)

Radiator Support Tie Bar

from

$33.99
New Standard Replacement Radiator Support Upper Tie Bar

Product Features:
  • Made Of Steel
  • 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 – A/C TXV O-Ring Expansion Valve (Part No.T38622)

A/C TXV O-Ring Expansion Valve

from

$22.99
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.
  • Precision machined ports
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ACDelco – Multi-Purpose Pigtail (Part No.PT1357)

Multi-Purpose Pigtail

from

$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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Felpro – THERMOSTAT GASKET (Part No.35595)

THERMOSTAT GASKET

from

$2.99
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 to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Carquest Premium – AC Pressure Relief Valve (Part No.ACA1333)

AC Pressure Relief Valve

from

$10.99
The Premium CarQuest Vehicle Solutions line is designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Relief Valve is used in the automotive air conditioning system to prevent unusual over-pressure that may cause damage to critical components within the system or to the system as a whole. By opening it’s valve when the system pressure exceeds the preset pressure levels and closing when the internal pressure decreases to the preset pressure levels, proper factory designated system pressures are maintained.

Product Features:
  • Designed and manufactured with high quality materials, industry leading 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 Relief Valve.
  • All units are tested using advanced end-of-line testing equipment that pressurizes the A/C Pressure Relief Valve and checks functionality to ensure each A/C Pressure Relief Valve meets manufacturing specifications before packaging.
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ACDelco – Instrument Panel Air Duct Air Temperature Sensor (Part No.15-5632)

Instrument Panel Air Duct Air Temperature Sensor

from

$9.99
ACDelco GM Original Equipment HVAC Temperature Sensor is a GM-recommended replacement component for one or more of the following vehicle systems: hvac. This original equipment sensor will provide the same performance, durability, and service life you expect from General Motors.

Product Features:
  • 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 – Engine Coolant Thermostat Housing (Part No.G4010754310DOR)

Engine Coolant Thermostat Housing

from

$32.67
Dorman’s Engine Coolant Thermostat Housing has improved durability and resistance. It withstands the extreme changes in temperature that frequently cause housing to become brittle, crack and leak. Maintain the steady flow of coolant and lessen the chances of overheating.

Product Features:
  • Direct replacement for a proper fit every time
  • Hoses slide on for easy installation
  • High-quality plastic or metal construction
  • Includes all hardware necessary for a complete repair (where applicable)
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Mr. Gasket – Water Neck (Part No.2557)

Water Neck

from

$27.49
Precision die cast, these water necks are first polished to a high luster, then chrome plated. Features an O-ring style seal to prevent water leaks. Comes with O-ring gasket and mounting bolts.

Product Features:
  • Complete with o-rings and mounting bolts
  • Features an o-ring style seal to prevent water leaks
  • Chrome plated
  • 1/2″ NPT port can be used for various coolant temp related sensors or switches
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Popular 2003 Pontiac Bonneville Cooling and Climate Controls Categories

2003 Pontiac Bonneville Cooling and Climate Controls

You count on your 2003 Pontiac Bonneville 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 122 Cooling and Climate Controls ranging in price from $1.99 to $436.99, you’re sure to find everything you need for your 2003 Pontiac Bonneville.

Brands matter. If you want to shop a specific Cooling and Climate Controls brand, we stock 25 different brands like Permatex, Carquest Premium, and Imperial. 2003 Pontiac Bonneville 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 5,382 extensive product reviews on 2003 Pontiac Bonneville Cooling and Climate Controls. Some of the top-rated Cooling and Climate Controls products we carry are Water Pump: New, Installation Gasket Included with 4.5 stars and Severe Temp Automatic Adjusting Orifice Tube with 4.7 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 Pontiac Bonneville below to get started!

Top-Rated Cooling and Climate Controls Brands For Your 2003 Pontiac Bonneville

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 Pontiac Bonneville running right for years to come. In our inventory you’ll find brands like Permatex, Carquest Premium, Imperial, and even more.

Popular Delphi Cooling and Climate Controls

You’ll find popular Delphi brand products across Engine Cooling Parts. All are waiting to get your 2003 Pontiac Bonneville back on the road. Some of the top-rated Delphi products in these categories are:
Engine Coolant Temperature Sensor
from $29.99
(1)
Engine Coolant Temperature Sensor
Coolant Temperature Sensors

Top-Rated Carquest Premium Cooling and Climate Controls


If Carquest Premium are what you’re looking for, our inventory holds plenty. We stock Carquest Premium brand Cooling and Climate Controls for your 2003 Pontiac Bonneville, and some of our most reviewed Carquest Premium parts include:
Radiator Cap: 16 PSI
from $9.79
(260)
Radiator Cap: 16 PSI
Radiator Caps
Engine Water Pump: New
from $49.99
(191)
Engine Water Pump: New
Water Pumps
A/C White Orifice Tube
from $2.99
(97)
A/C White Orifice Tube
Expansion Valve and Orifice Tubes

FAQs for 2003 Pontiac Bonneville Cooling and Climate Controls

What are the most purchased Cooling and Climate Controls for the 2003 Pontiac Bonneville?

Out of 122 Cooling and Climate Controls for the 2003 Pontiac Bonneville, 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
Radiator Cap: 16 PSI
from $16.79
(91)
Radiator Cap: 16 PSI
Radiator Caps

What are the top-rated 2003 Pontiac Bonneville Cooling and Climate Controls?

Top-rated Cooling and Climate Controls for your 2003 Pontiac Bonneville based on customer reviews/ratings are:
Water Pump: New, Installation Gasket Included
from $40.99
(191)
Water Pump: New, Installation Gasket Included
“Stock”
Severe Temp Automatic Adjusting Orifice Tube
from $15.99
(97)
Severe Temp Automatic Adjusting Orifice Tube
“Perfect fit in my f150. Works great.”
THERMOSTAT GASKET
from $4.99
(93)
THERMOSTAT GASKET
“works as stated”