2003 Audi A4 Engine Cooling Parts

Essential 2003 Audi A4 Engine Cooling Parts

Dorman – Pressurized Coolant Reservoir: White, Plastic, Original Equipment Replacement (Part No.603-703)

Pressurized Coolant Reservoir: White, Plastic, Original Equipment Replacement

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$47.99
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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Felpro – Multi-Purpose O-Ring (Part No.35675)

Multi-Purpose O-Ring

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

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Felpro – Engine Coolant Thermostat Housing Gasket (Part No.35750)

Engine Coolant Thermostat Housing Gasket

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$3.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design 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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KAI – Rad/Condenser Fan Assembly (Part No.AU3115113)

Rad/Condenser Fan Assembly

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$222.99
New Platinum Pro Radiator And Condenser Fan Assembly, 2.0/3.2 Liter V6 Models, Module Not Included

Product Features:
  • 2.0/3.2 Liter V6 Models, Module Not Included, Made Of Plastic
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
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Factory Air – Engine Coolant Flange (Part No.85685)

Engine Coolant Flange

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$8.79
Meets And/or exceeds OEM stAndard; Includes quality gasket or O-ring to ensure proper seal (where applicable; 100% virgin resin material to insure durability; 100% leak tested; Direct-fit replacement for ease of installation
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Elth – Water Temp. Sensor (Part No.C6020111921ELT)

Water Temp. Sensor

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$19.19
Water Temp. Sensor

Motorad – Standard Thermostat: 180 Degrees (Part No.304-180)

Standard Thermostat: 180 Degrees

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$24.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
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Felpro – Engine Water Pump Gasket (Part No.35872)

Engine Water Pump Gasket

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$4.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
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Victor Reinz – Engine Coolant Pipe O-Ring (Part No.41-10479-00)

Engine Coolant Pipe O-Ring

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$5.29
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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Felpro – Engine Coolant Thermostat Housing Gasket (Part No.35838)

Engine Coolant Thermostat Housing Gasket

from

$3.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design 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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Beck/Arnley – Water Flange (Part No.147-0011)

Water Flange

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$9.99
Beck/Arnley parts meet foreign nameplate OE specifications for form, fit and function. Our product specialists work with a network of global sourcing partners so you can install the right part with confidence.

Product Features:
  • Matches OE form, fit and function
  • Premium materials to withstand extreme temperatures
  • Includes seals where applicable
  • Be sure to use the proper coolant to maximize cooling system components. See Beck/Arnley catalog for the coolant for this application.
  • Application specific for this vehicle
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Carquest Premium – Engine Cooling Fan Module (Part No.RAE3022)

Engine Cooling Fan Module

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$459.99
All modern vehicles consist of several independent operating systems controlled by a main system processor with independent sub-processors. The sub-processors provide class 2 serial information data to the main processor while handling the operation of the system and carry the circuit load to protect the main operating system. When replacing any level processor programming may be needed to enter the unit into the vehicles main operating system.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
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ACM – A/C Servo (Part No.R20401762458ACM)

A/C Servo

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$168.92
A/C Servo

Permatex – The Right Stuff: Grey, 1 Minute Gasket Maker, 10 OZ (Part No.34310)

The Right Stuff: Grey, 1 Minute Gasket Maker, 10 OZ

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$38.99
Permatex’s The Right Stuff 1 Minute Series offers the fastest return to service in just 1 minute! This leak-proof, elastomeric “Formed-in-place” material is more reliable and longer lasting than pre-cut gaskets. It is blowout resistant and protects against leaks and seepage caused by vibration and thermal expansion. The Right Stuff 1 Minute Grey is specified for high torque and high vibration applications and is formulated to meet or exceed performance standards for long-term sealability, durability and handling.

Product Features:
  • Designed to perform under higher torque loads associated with engines having closely spaced bolt patterns
  • Sensor-safe, non-corrosive, RTV silicone
  • Protects against leaks caused by vibration and thermal expansion
  • Meets performance specs of OE silicone gaskets
  • Quickly returns vehicle to service in just 1 minute
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Carquest Premium – Radiator Cap Tester Adapter (Part No.12037)

Radiator Cap Tester Adapter

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$75.99
Tester adapter for the 9300 and 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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Nissens – Radiator (Part No.G1000116196NSS)

Radiator

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$313.39
Plastic Tank / Aluminum Core Radiator The Nissens Radiator flat tube and double folded fin design offers a significantly better cooling capacity and provides a stronger exterior resisting impacts from stones. This advanced design helps to prevent damage which would negatively affect the cooling capacity and engine performance.

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • OE Style mounting brackets and hose connections.
  • Integrated transmission oil cooler when applicable.
  • Compact and lightweight.
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Behr – Auxiliary Fan Assemb (Part No.G5000147278BEH)

Auxiliary Fan Assemb

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$231.78
Auxiliary Fan Assemb

Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T1220)

Engine Water Pump: New, Gasket/Seals Included

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$109.99
Carquest Premium water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, hub, bearings, gaskets and seals are designed for long-lasting service life. These water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.

Product Features:
  • 100% tested for reliable performance
  • Durable housing features precisely machined mounting surface for proper sealing and fitment
  • Equipped with weep chamber or similar feature to help prevent unnecessary replacement
  • Included heavy-duty unitized bearings, pressed-on hubs and optimal impeller clearance for a long-lasting water pump
  • All gaskets or seals necessary for water pump are included
  • This pump is driven by the accessory belt and we recommend replacement if nearing service recommendation
  • This pump is driven by the timing chain; see vehicle manufacturer recommendation for replacement of timing components
  • This pump is driven by the timing belt; see vehicle manufacturer recommendation for replacement of timing components
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Permatex – Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ (Part No.22071)

Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ

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$6.99
Permatex Water Pump & Thermostat RTV Silicone Gasket Maker is a noncorrosive, sensor-safe RTV silicone gasket material formulated for water pumps and thermostat housings. Permatex Water Pump & Thermostat has the highest water-glycol resistance available in an RTV silicone.

Product Features:
  • Sensor-safe, noncorrosive RTV silicone gasket material
  • Formulated specifically for water pumps and thermostat housings
  • Highest water-glycol resistance available in RTV silicone
  • Superior adhesion and flexibility
  • Can be used as a gasket maker or dressing
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Motorad – Integrated Thermostat Housing: With Seal, 198 Degrees (Part No.914-198)

Integrated Thermostat Housing: With Seal, 198 Degrees

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$64.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. This integrated thermostat 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 as well as the design and function of the housing. 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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Beck/Arnley – Water Pump Gasket (Part No.039-0033)

Water Pump Gasket

from

$2.49
Beck/Arnley parts meet foreign nameplate OE specifications for form, fit and function. Our product specialists work with a network of global sourcing partners so you can install the right part with confidence.

Product Features:
  • Matches OE form, fit and function
  • Made from premium materials for durability
  • Designed for underhood conditions
  • Packaged in clear plastic for easy visibility and identification of all components
  • Application specific for this vehicle
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Vaico – Door Panel Fastener Assortment Kit (Audi VW, 18-Piece) (Part No.4Z100461705VCO)

Door Panel Fastener Assortment Kit (Audi VW, 18-Piece)

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$327.69
Very useful OEM fastener assortment kit for Audis and VWs. This kit includes 5-10 pieces of each of the following part numbers:

Product Features:
  • N90335005
  • 8D0805121B
  • N90775001
  • 4A0805163
  • 4D0867299A
  • N10516801
  • 8D0805121
  • N90335004
  • 2E1827649
  • 7M0867299K
  • 191853733A
  • N90974701
  • 4A0805121A
  • 3B0868243
  • 6Q0868243
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Vaico – Rivet (Part No.Q2001410002VCO)

Rivet

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$8.84
Choosing from the comprehensive VIEROL product range means opting for outstanding quality. This is confirmed by the Q+ quality seal for parts in OEM quality MADE IN GERMANY. VIEROL AG is a leading automotive parts distributor located in Oldenburg, Germany. With the trademarks VAICO and VEMO are the service market leaders in more than 125 countries worldwide. As an internationally present automotive supplier, VIEROL AG specializes in electronic and electrical components for German and European vehicles. VIEROL AG quality brands VEMO and VAICO combine innovation and experience, technical expertise and practiced corporate values, commitment to precision and a passion for technology: the invisible, but unquestionable, optimal prerequisites for guaranteed product quality and globally recognized service. Choosing from the comprehensive VIEROL product range means opting for outstanding quality. Dowel Pin – 6x18mm Silver
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Victor Reinz – Engine Coolant Thermostat Housing Seal (Part No.41-76540-00)

Engine Coolant Thermostat Housing Seal

from

$5.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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Victor Reinz – Engine Coolant Thermostat Housing Seal (Part No.41-10434-00)

Engine Coolant Thermostat Housing Seal

from

$2.49
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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Carquest Premium – Engine Coolant Reservoir Cap (Part No.10249)

Engine Coolant Reservoir Cap

from

$11.99
Manufactured to meet all OEM specifications. Designed to be easy to install and remove. Manufactured from high quality components with proper relief and vacuum valves. Quality tested to stand up to even the most demanding automotive cooling systems.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
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Dorman – Help – Coolant Reservoir Cap (Part No.54016)

Coolant Reservoir Cap

from

$13.99
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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Rein – Cap-Expansion Tank (Part No.CPE0047)

Cap-Expansion Tank

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$16.99
Rein Automotive OE Quality expansion tank caps are designed to be direct replacements for OE caps. Rein caps are designed to match or exceed the OE materials used and are produced to the highest standards to ensure long service life. Rein Automotive OE quality expansion tank caps keep the coolant system at the proper pressure just like the OE cap.

Product Features:
  • Manufactured to strict engineering standards/specifications in materials and tolerances.
  • Direct fit
  • Meets or exceeds pressure specifications demanded by the OE manufacturer.
  • Produced by an original equipment supplier.
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2003 Audi A4 Engine Cooling Parts

Maybe you’re in the middle of a full rebuild of that 2003 Audi A4. Maybe you just need a couple of Engine Cooling Parts. Either way, Advance Auto Parts has 71 different Engine Cooling Parts in our inventory ranging from $0.86 to $708.33. That means you can find the exact parts or products you need to keep that 2003 Audi A4 running smoothly.

Engine Cooling Parts are only as good as their brand. We stock 25 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Audi A4. Permatex, Carquest Premium, and Carquest are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Engine Cooling Parts for your 2003 Audi A4, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,253 reviews in this category, some of the top rated parts include Engine Water Pump: New, Gasket/Seals Included with 3.4 stars and Radiator: With Transmission Oil Cooler with 4.0 stars.

So if you’re in the market for aftermarket Engine Cooling Parts to keep your 2003 Audi A4 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Engine Cooling Parts Brands To Make Your 2003 Audi A4 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Audi A4 demands trusted brand parts and products to keep it running. Many trusted brands of Engine Cooling Parts make up Advance Auto Parts’ inventory, and all are ready to help make your A4 the best it can be. Be sure to browse some of our top Engine Cooling Parts brands and parts.

Popular Beck/Arnley Engine Cooling Parts

We carry Beck/Arnley parts in our stock across Water Pumps categories, plus more. For a 2003 Audi A4, our most popular Beck/Arnley Engine Cooling Parts include:
New Water Pump
from $112.99
(1)
New Water Pump
Water Pumps

FAQs for 2003 Audi A4 Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the 2003 Audi A4?

Out of 71 Engine Cooling Parts for the 2003 Audi A4, the most popular in our inventory are:
Engine Coolant Temperature Sensor
from $20.99
(3)
Engine Coolant Temperature Sensor
Coolant Temperature Sensors
Engine Coolant Reservoir Cap
from $11.99
(3)
Engine Coolant Reservoir Cap
Coolant Reservoir Caps
Coolant Temperature Sensor
from $29.99
This product is not rated
Coolant Temperature Sensor
Coolant Temperature Sensors

What are the top-rated 2003 Audi A4 Engine Cooling Parts?

Top-rated Engine Cooling Parts for your 2003 Audi A4 based on customer reviews/ratings are:
Engine Water Pump: New, Gasket/Seals Included
from $74.99
(8)
Engine Water Pump: New, Gasket/Seals Included
“the plastic impeller was ome for a good reason. i just replaced my water pump, due to the impeller, if the plastic impeller had not let loose, the bea”
Radiator: With Transmission Oil Cooler
from $189.99
(7)
Radiator: With Transmission Oil Cooler
“Perfect fit for my B5.5 Passat 2.8L 5spd manual trans even tho it’s for an auto car.”
Radiator: With Transmission Oil Cooler
from $241.99
(5)
Radiator: With Transmission Oil Cooler
“this radiator works great for my 02 Audi A4 Quattro easy to install Perfect Fit”