1999 Audi A4 Engine Cooling Parts

Essential 1999 Audi A4 Engine Cooling Parts

Carquest Premium – Engine Electric Water Pump: New, Plastic Housing (Part No.T1645)

Engine Electric Water Pump: New, Plastic Housing

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$142.99
Carquest Premium auxiliary 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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MAHLE Original – Thermostat (Part No.C31633)

Thermostat

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$2.49
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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Carquest Premium – Coolant Temperature Sensor (Part No.WTC1007)

Coolant Temperature Sensor

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$29.99
Approved materials for increased durability in even the most extreme temperatures. All MotoRad Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
  • Brass sensor housing precision machined to meet or exceed OE thermal conductivity
  • OE precision matched thermistor position for correct output parameters
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
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Elth – Water Temp. Sensor (Part No.C6020111921ELT)

Water Temp. Sensor

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$16.02
Water Temp. Sensor

Carquest Premium – Engine Cooling Fan Switch (Part No.TFA1033)

Engine Cooling Fan Switch

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$62.99
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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Carquest Premium – Universal Fan Clutch – 5" Thermal Import/Compact (Part No.215069)

Universal Fan Clutch - 5" Thermal Import/Compact

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$167.99
Product Features:
  • Designed, tested, and built by application
  • OE performance, fit, and appearance
  • Precision machined
  • Out of box installation
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Victor Reinz – Engine Water Pump Gasket (Part No.71-38928-00)

Engine Water Pump Gasket

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$7.49
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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Felpro – Engine Coolant Thermostat Housing Seal (Part No.35924)

Engine Coolant Thermostat Housing Seal

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$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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Meyle – Meyle Expansion Tank (Part No.G103056581MEY)

Meyle Expansion Tank

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$55.57
The Meyle 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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Elring – Water Pipe O-Ring (Part No.G2026551372ELR)

Water Pipe O-Ring

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$1.60
Water Pipe O-Ring

Behr – Auxiliary Fan Assemb (Part No.G5000147278BEH)

Auxiliary Fan Assemb

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$220.20
Auxiliary Fan Assemb

Carquest Premium – Standard Thermostat: 180 Degrees (Part No.13648)

Standard Thermostat: 180 Degrees

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$24.99
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
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Carquest Premium – Multi Purpose Relay (Part No.RAA1246)

Multi Purpose Relay

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$30.49
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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KAI – Radiator (Part No.RAD2556)

Radiator

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$159.99
New Platinum Pro Radiator, 1.8 Liter Engine, With Transmission Oil Cooler

Product Features:
  • 1.8 Liter Engine, With Transmission Oil Cooler, Made Of Plastic and Aluminum
  • 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 – Coolant Housing/Water Outlet (Part No.85182)

Coolant Housing/Water Outlet

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$23.79
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
  • Direct-fit replacement for ease of installation
  • 100% leak tested
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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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Beck/Arnley – Water Pump Gasket (Part No.039-0033)

Water Pump Gasket

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

Cooling Hose Flange

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$16.70
Cooling Hose Flange

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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Dorman – Coolant Housing/Water Outlet: With Water Outlet and O-Ring, 45 Degree Neck Angle (Part No.902-990)

Coolant Housing/Water Outlet: With Water Outlet and O-Ring, 45 Degree Neck Angle

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$11.99
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
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Geba – Water Pump (Part No.G3000931071GEB)

Water Pump

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$68.94
The GEBA Water Pump contains no remanufactured components and is manufactured to ensure high efficiency and optimal cooling under all conditions. Geba maintenance free Bearings with ball and roller spindle bearings are designed for the highest axial and radial stresses. Up to Date unitized sealing technology ensure optimal leak tightness and longevity. All housings are examined before the assembly. This procedure guarantees high reliability and life span of GEBA water pumps.

Product Features:
  • OE-Equivalent and direct fit application.
  • 100% new with no remanufactured parts.
  • High quality cast aluminum.
  • Advanced bearing design for high axial and radial stresses.
  • Unitized sealing technology that ensures optimal leak tightness and longevity.
  • Optimum cooling performance and longevity.
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MTC – Engine Cooling Fan Clutch Pulley Assembly (Part No.G501484775MTC)

Engine Cooling Fan Clutch Pulley Assembly

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$177.11
The MTC Engine Cooling Fan Clutch Pulley Assembly is an ideal high quality aftermarket replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium aftermarket replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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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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Rein – Relay (Part No.ELR0054)

Relay

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$21.99
Electrical parts control all aspects of vehicles on the road today. Replacing these components when they are starting to fail will ensure your vehicle has maximum performance and fuel economy. This is why Rein Automotive electrical parts are application specific and match the design and function of the OE parts.

Product Features:
  • Tested to ensure maximum performance
  • Manufactured to strict engineering standards/specifications in materials and tolerances
  • Long life and durability
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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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Permatex – Sensor-Safe, High Torque RTV Silicone Gasket Maker (Part No.22074)

Sensor-Safe, High Torque RTV Silicone Gasket Maker

from

$6.99
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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Rein – Radiator Mount (Part No.AVM0702)

Radiator Mount

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$14.49
Anti-vibration parts dampen vibration harmonics from the engine and drive line components to rest of the vehicle. This in turn reduces vibration and noise which can be felt and heard while the vehicle is in operation. Rein Automotive anti-vibration parts are application specific and match the design and function of the OE parts.

Product Features:
  • Rubber components match the shore hardness of the original equipment bushing to ensure maximum performance and product longevity.
  • Part has a high corrosion resistance for maximum life.
  • Produced with high quality materials to ensure maximum life and a smooth ride.
  • Made by the OE manufacturer.
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Rein – Radiator Mount (Part No.AVM0716)

Radiator Mount

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$4.99
Anti-vibration parts dampen vibration harmonics from the engine and drive line components to rest of the vehicle. This in turn reduces vibration and noise which can be felt and heard while the vehicle is in operation. Rein Automotive anti-vibration parts are application specific and match the design and function of the OE parts.

Product Features:
  • Rubber components match the shore hardness of the original equipment bushing to ensure maximum performance and product longevity.
  • Part has a high corrosion resistance for maximum life
  • Produced with high quality materials to ensure maximum life and a smooth ride
  • Made by the OE manufacturer
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1999 Audi A4 Engine Cooling Parts

Maybe you’re in the middle of a full rebuild of that 1999 Audi A4. Maybe you just need a couple of Engine Cooling Parts. Either way, Advance Auto Parts has 77 different Engine Cooling Parts in our inventory ranging from $1.24 to $338.99. That means you can find the exact parts or products you need to keep that 1999 Audi A4 running smoothly.

Engine Cooling Parts are only as good as their brand. We stock 27 different brands to make sure you have plenty of trusted parts to choose from for your 1999 Audi A4. Permatex, Carquest Premium, and Felpro 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 1999 Audi A4, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 868 reviews in this category, some of the top rated parts include Pressurized Coolant Reservoir: White, Plastic, Original Equipment Replacement with 3.3 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 1999 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 1999 Audi A4 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1999 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 MAHLE Original Engine Cooling Parts

We carry MAHLE Original parts in our stock across Thermostat Housing Gaskets categories, plus more. For a 1999 Audi A4, our most popular MAHLE Original Engine Cooling Parts include:
Thermostat
from $2.49
(1)
Thermostat
Thermostat Housing Gaskets

FAQs for 1999 Audi A4 Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the 1999 Audi A4?

Out of 77 Engine Cooling Parts for the 1999 Audi A4, the most popular in our inventory are:
Standard Thermostat: 190 Degrees
from $17.29
(12)
Standard Thermostat: 190 Degrees
Thermostats
Engine Coolant Reservoir Cap
from $11.99
(3)
Engine Coolant Reservoir Cap
Coolant Reservoir Caps
Multi-Purpose O-Ring
from $2.49
(8)
Multi-Purpose O-Ring
Thermostat Housing O-Rings

What are the top-rated 1999 Audi A4 Engine Cooling Parts?

Top-rated Engine Cooling Parts for your 1999 Audi A4 based on customer reviews/ratings are:
Pressurized Coolant Reservoir: White, Plastic, Original Equipment Replacement
from $47.99
(15)
Pressurized Coolant Reservoir: White, Plastic, Original Equipment Replacement
“Got it quick and that was good cause car was sitting in parking lot next to trailer park… Fixed in parking lot, frilled with green goo and on my wa”
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.”
Water Pump Gasket
from $2.49
(3)
Water Pump Gasket
“This is listed in the description as “Water Pump Gasket” but I think this is the thermostat gasket. The thermostat o-ring is 50mm x 4mm 038121119B Wh”