2003 Audi A4 Quattro Engine Cooling Parts

Essential 2003 Audi A4 Quattro Engine Cooling Parts

Felpro – Engine Coolant Thermostat Housing Seal (Part No.35924)

Engine Coolant Thermostat Housing Seal

from

$2.79
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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Behr – Behr Expansion Tank (Part No.G1030116204BEH)

Behr Expansion Tank

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$42.72
The Behr expansion tank is made of the highest quality materials and is engineered to meet or exceed the OEM specifications for performance, fit and durability.

Product Features:
  • OE-Equivalent and Direct Fit for easy Installation.
  • OE style connections and fittings.
  • Made of highly durable materials.
  • Resistant to thermal wear and cracking.
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Dorman – Engine Coolant Water Outlet (Part No.902-886)

Engine Coolant Water Outlet

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$10.49
This replacement engine coolant water outlet is engineered to match the fit and durability of the stock engine coolant water outlet on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant water outlet directly replaces the original water outlet on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement water outlets
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NTK – Engine Coolant Temperature Sensor (Part No.EF0079)

Engine Coolant Temperature Sensor

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$33.99
The Engine Coolant Temperature Sensor determines the exact temperature of the engine coolant by sending an analog signal to the ECM to censure proper air/fuel ratio along with proper operation of the cooling fan(s) and temperature gauge. The Engine Coolant Temperature Sensor may be located on the cylinder head, engine block, thermostat housing or intake manifold. Reasons for replacement include: check engine light illumination, erratic or no temperature gauge operation, erratic or no cooling fan operation, and engine overheating.

Product Features:
  • OE MATCHED: Wires and probe length match OE. Mounting clip(s) included where applicable
  • FASTER RESPONSE TIME: Thermal conductive grease inside brass housing increases sensor response time
  • THE NTK DIFFERENCE: Thread sealant/o-ring installed where applicable. Thermistor placement within the housing matches OE to ensure proper output. Proper thermal conductive grease to provide accurate temperature transfer to the thermistor
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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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Motorad UltraStats – Thermostat: 192 Degrees (Part No.5475-190)

Thermostat: 192 Degrees

from

$21.99
This premium upgraded thermostat is everything you were looking for. UltraStat Thermostats are the toughest thermostats on the market. All heavy gauge stainless steel construction provides long-life durability, as well as complete corrosion resistance. Exclusive BLVT Valve technology minimizes thermal shock to cooling system components. This is the perfect upgrade to help insure your cooling system is working exactly as you need and expect it to for longevity.

Product Features:
  • Heavy gauge stainless steel components offer increased reliability and long-lasting durability
  • Exclusive BLVT Valve Technology minimizes thermal shock to cooling system components
  • Stainless steel thermal element for unmatched corrosion resistance and revolutionary REAX wax mixture provides quicker reaction time
  • AccuSpring Design for stable temperature control and increased cabin comfort
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Carquest Premium – Engine Cooling Fan Motor Relay (Part No.RAC2066)

Engine Cooling Fan Motor Relay

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$338.99
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.
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Permatex – Sensor-Safe, High-Torque RTV Silicone Gasket Maker (Part No.82194)

Sensor-Safe, High-Torque RTV Silicone Gasket Maker

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$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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Elring – SEAL RING – COPPER (Part No.4M20011240ELR)

SEAL RING - COPPER

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$1.24
SEAL RING – COPPER

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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Dorman – Radiator Fan Control Module (Part No.902-436)

Radiator Fan Control Module

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$246.99
This engine cooling fan module is designed to match the fit and function of the original module on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this engine cooling fan module is designed to match the fit and function of the original module on specified applications
  • Ideal solution – this module is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction
  • Durable construction – this part is made from quality materials to ensure reliable performance and a long service life
  • Trustworthy quality – designed in the United States and backed by more than a century of automotive aftermarket excellence
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Febi – Water Temperature Sensor O-Ring (Part No.C606032192FEB)

Water Temperature Sensor O-Ring

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$1.79
Water Temperature Sensor O-Ring

Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T1209)

Engine Water Pump: New, Gasket/Seals Included

from

$161.99
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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Felpro – Engine Water Pump Gasket (Part No.35549)

Engine Water Pump Gasket

from

$17.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
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ACM – Heater Core O-Ring Kit (Part No.R3002384000ACM)

Heater Core O-Ring Kit

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$17.78
ACM is a supplier of Original Equipment quality climate control products. Feed & Return Lines
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Felpro – Multi-Purpose O-Ring (Part No.35716)

Multi-Purpose O-Ring

from

$1.99
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
  • 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 – Multi-Purpose O-Ring (Part No.35675)

Multi-Purpose O-Ring

from

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

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design 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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Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.433659)

Radiator: With Transmission Oil Cooler

from

$248.99
Carquest Premium radiators are designed and engineered for maximum performance, using the highest-grade materials to ensure all radiators meet or exceed original equipment (O.E.) fit, form and function. Carquest Premium radiators are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Most modern vehicles use radiators with plastic tanks and our parts are engineered with integrated ribbing to prevent damage during thermal cycling. Carquest Premium radiators are also 100% tested to ensure a durable, leak-free cooling system repair.

Product Features:
  • Thermal tested under real-life temperature simulations
  • High tensile strength aluminum for maximum crimp strength
  • Plastic tanks are engineered with integrated ribbing for added strength to withstand cracks, bowing and distortion during thermal cycles
  • Thermal expansion slots extend core life and reduce failure rates by allowing improved core expansion and contraction during systematic heat cycles
  • Oil cooler designs meet or exceed OE standards, keeping the vehicle’s engine and transmission performing at optimal conditions
  • OEM grade, premium fittings for transmission or engine oil coolers (where applicable)
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Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.432598)

Radiator: With Transmission Oil Cooler

from

$172.99
Carquest Premium radiators are designed and engineered for maximum performance, using the highest-grade materials to ensure all radiators meet or exceed original equipment (O.E.) fit, form and function. Carquest Premium radiators are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Most modern vehicles use radiators with plastic tanks and our parts are engineered with integrated ribbing to prevent damage during thermal cycling. Carquest Premium radiators are also 100% tested to ensure a durable, leak-free cooling system repair.

Product Features:
  • Thermal tested under real-life temperature simulations
  • High tensile strength aluminum for maximum crimp strength
  • Plastic tanks are engineered with integrated ribbing for added strength to withstand cracks, bowing and distortion during thermal cycles
  • Thermal expansion slots extend core life and reduce failure rates by allowing improved core expansion and contraction during systematic heat cycles
  • Oil cooler designs meet or exceed OE standards, keeping the vehicle’s engine and transmission performing at optimal conditions
  • OEM grade, premium fittings for transmission or engine oil coolers (where applicable)
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Motorad – Integrated Thermostat Housing: With Seal, 192 Degrees (Part No.506-192)

Integrated Thermostat Housing: With Seal, 192 Degrees

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$77.99
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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Dorman – Thermostat Assembly: Includes Housing, Thermostat, and Gasket, 192 Degrees (Part No.902-718)

Thermostat Assembly: Includes Housing, Thermostat, and Gasket, 192 Degrees

from

$107.99
This replacement engine coolant thermostat housing assembly is engineered to match the fit and durability of the stock housing assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing assembly directly replaces the original water outlet on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housing assemblies
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Nissens – Auxiliary Cooling Fan Assembly (Part No.G500065526NSS)

Auxiliary Cooling Fan Assembly

from

$286.57
Nissens supplies complete fan solutions, ready for installation, and the fans fit perfectly to both Nissens’ radiators and OE radiators. A Nissens fan even fits a number of different radiator models, and all fans are manufactured from quality materials and tested as complete units. This means that the fan is properly balanced, and that effect, functionality, and reliability are ensured.

Product Features:
  • OE Quality
  • High grade ball bearings, magnets and brushes
  • Durable and Dependable
  • Thoroughly Tested
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Behr – Auxiliary Fan Assemb (Part No.G5000147278BEH)

Auxiliary Fan Assemb

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$220.20
Auxiliary Fan Assemb

ACM – A/C Servo (Part No.R20401762458ACM)

A/C Servo

from

$168.92
A/C Servo

APA/URO Parts – Cooling Hose Flange (Part No.G2023181386APA)

Cooling Hose Flange

from

$16.70
Cooling Hose Flange

Factory Air – Engine Coolant Flange (Part No.85685)

Engine Coolant Flange

from

$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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Carquest Premium – Engine Coolant Flange (Part No.85907)

Engine Coolant Flange

from

$30.99
High quality OE replacement part with all components needed to complete the job

Product Features:
  • 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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APA/URO Parts – Cooling Hose Flange (Part No.G202384770APA)

Cooling Hose Flange

from

$10.79
A.P.A.URO is a supplier to many automotive manufacturers and provides OE quality European replacement parts to the aftermarket. URO Parts is a highly diversified product line including, body rubber, electrical, suspension, steering, cooling and air conditioning components. Cooling Flange plug, Water Pipe O-Ring and Water Temp Sender O-Ring may be required
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2003 Audi A4 Quattro Engine Cooling Parts

Maybe you’re in the middle of a full rebuild of that 2003 Audi A4 Quattro. Maybe you just need a couple of Engine Cooling Parts. Either way, Advance Auto Parts has 66 different Engine Cooling Parts in our inventory ranging from $1.24 to $270.28. That means you can find the exact parts or products you need to keep that 2003 Audi A4 Quattro running smoothly.

Engine Cooling Parts are only as good as their brand. We stock 24 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Audi A4 Quattro. 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 Quattro, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,640 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 1.8 stars.

So if you’re in the market for aftermarket Engine Cooling Parts to keep your 2003 Audi A4 Quattro 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 Quattro Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Audi A4 Quattro 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 Quattro 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 Quattro, our most popular Beck/Arnley Engine Cooling Parts include:
New Water Pump
from $112.99
(1)
New Water Pump
Water Pumps

Top 2003 Audi A4 Quattro Engine Cooling Parts from Permatex

Permatex products are another trusted brand when it comes to Engine Cooling Parts for your 2003 Audi A4 Quattro. Popular Permatex parts include:
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
from $6.99
(288)
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
Engine Water Pump Inlet Pipe Gaskets
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
from $11.49
(95)
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
Water Pump Housing Gaskets
Sensor-Safe, High Torque RTV Silicone Gasket Maker
from $6.99
(9)
Sensor-Safe, High Torque RTV Silicone Gasket Maker
Engine Water Pump Inlet Pipe Gaskets

FAQs for 2003 Audi A4 Quattro Engine Cooling Parts

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

Out of 66 Engine Cooling Parts for the 2003 Audi A4 Quattro, 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 Quattro Engine Cooling Parts?

Top-rated Engine Cooling Parts for your 2003 Audi A4 Quattro 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 $241.99
(5)
Radiator: With Transmission Oil Cooler
“this radiator works great for my 02 Audi A4 Quattro easy to install Perfect Fit”
The Right Stuff: 1 Minute Gasket Maker: Grey, 3 OZ
from $19.99
(2)
The Right Stuff: 1 Minute Gasket Maker: Grey, 3 OZ
“Easy as could be to use”