1999 Audi A4 Engine Cooling Parts

Essential 1999 Audi A4 Engine Cooling Parts

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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Dorman – Help – Coolant Reservoir Cap (Part No.54016)

Coolant Reservoir Cap

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$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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Dorman – Radiator Fan Assembly: Dual, Cost Effective & Reliable (Part No.620-808)

Radiator Fan Assembly: Dual, Cost Effective & Reliable

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$238.99
This engine cooling fan assembly is precision-engineered to match the fit and performance of the stock radiator fan on specific vehicle years, makes and models. It has been rigorously tested to ensure it cools as effectively as the original part.

Product Features:
  • Ideal replacement – this engine cooling fan assembly was precision-engineered to match the fit and performance of the stock radiator fan assembly on specific vehicles.
  • Complete package – assembly is designed with the same materials and components as the original part.
  • Quality assured – motors are tested in laboratory settings to ensure performance
  • Cost effective and reliable – trustworthy manufacturing for far less than same part at the dealership
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Beck/Arnley – Thermostat (Part No.143-0149)

Thermostat

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$15.29
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
  • Features a standard jiggle valve where required by OE and has a long stroke for maximum cooling
  • Constructed with premium materials for durability
  • 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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Carquest Premium – Standard Thermostat: 192 Degrees (Part No.13649)

Standard Thermostat: 192 Degrees

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$25.99
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 – 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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Dorman – Coolant Housing/Water Outlet: With Housing (Part No.902-5866)

Coolant Housing/Water Outlet: With Housing

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$58.99
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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Beck/Arnley – Water Flange (Part No.147-0029)

Water Flange

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$14.49
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
  • 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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Geba – Geba Water Pump (Part No.G3000394896GEB)

Geba Water Pump

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$62.64
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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Meyle – Cooling Hose Flange, Single Outlet (Part No.G2023323040MEY)

Cooling Hose Flange, Single Outlet

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$23.79
Cooling Hose Flange, Single Outlet

Carquest Premium – Engine Cooling Fan Switch (Part No.ACA1571)

Engine Cooling Fan Switch

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$32.99
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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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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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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Rein – Auxiliary Water Pump (Part No.G3050137733RIN)

Auxiliary Water Pump

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$293.79
Built to meet the latest OE manufacturer-specified designs, Rein Auxiliary Water Pumps are the best way to make sure you have the proper heat protection for the engine in your vehicle. Eliminating the mechanical commutation system leaves the durability of the rotor bearings as practically the only limiting factor for service life. In addition to that, the lower number of moving parts results in significantly reduced noise.

Product Features:
  • OE Quality, reliability and service life
  • Leak-proof sealing of the drive
  • Fuel savings and reduced emissions
  • Cooling even without operation of the engine
  • CO²-reduction by optimized efficiency, speed control and reduced weight
  • Coverage of a wide hydraulic performance range
  • Reduced noise level
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Rein – Expansion Tank (Part No.EPT0153)

Expansion Tank

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$34.99
Rein Automotive OE quality expansion tanks, install, fit and perform the way the original manufacturer intended. These tanks are designed to match or exceed the OE materials used and are produced from virgin plastic with no regrind to prevent cracking from heat cycles and ensure the plastic is durable and will have a long service life.

Product Features:
  • Produced from virgin plastic meeting/exceeding OE specifications and ensuring long life
  • Resistant to cracking and wear from heat cycles preventing coolant loss
  • Direct fitment allows easy installation
  • Manufactured to strict engineering standards/specifications in materials and tolerances
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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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Beck/Arnley – Thermal Fan Switch (Part No.201-1266)

Thermal Fan Switch

from

$24.99
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
  • Made to exact resistance for this specific application
  • High quality construction for durability
  • Constructed to withstand an engine environment
  • Application specific for this vehicle
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Febi – Radiator Mount (Part No.G1020285459FEB)

Radiator Mount

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$5.43
Radiator Mount

NTK – Engine Coolant Temperature Sensor (Part No.EF0153)

Engine Coolant Temperature Sensor

from

$29.99
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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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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Felpro – Engine Water Pump Gasket (Part No.35549)

Engine Water Pump Gasket

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$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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Beck/Arnley – Water Flange (Part No.147-0011)

Water Flange

from

$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 – 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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Felpro – Multi-Purpose O-Ring (Part No.25589)

Multi-Purpose O-Ring

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$3.49
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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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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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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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 96 different Engine Cooling Parts in our inventory ranging from $0.86 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 30 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 670 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:
Engine Coolant Thermostat Housing Gasket
from $2.49
(1)
Engine Coolant Thermostat Housing Gasket
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 96 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
Water Pump 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
“Worked out Outside of the dealership your company has the parts for my car”
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”