1999 Audi A4 Engine Cooling Parts

Name: Expansion Tank
Brand: Rein
SKU: EPT0153
Price: 40.99 USD

Keep Your 1999 Audi A4 in Top Shape with Quality Engine Cooling Parts

Whether you’re repairing or upgrading your Engine Cooling Part, using high-quality parts is key to keeping your 1999 Audi A4 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Thermostats, Coolant Reservoirs, and Water Pump Gaskets. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Engine Cooling Parts from Trusted Brands

Looking for a reliable Engine Cooling Part? We’ve got you covered with options from brands you know and trust like Carquest Premium, Mahle, and FELPRO. For example, Carquest Premium Engine Cooling Parts start at just $13.99 with an average 4.4 star rating. Mahle and FELPRO offer similar pricing and quality, backed by strong customer feedback. With over 73 reviews and a solid 4 star average, you can shop with confidence knowing other Audi A4 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1999 Audi A4 Engine Cooling Part at Advance Auto Parts is around $59.81, with a range that starts at $2.49 and goes up to $338.99. With 42 options in stock from 11 trusted brands, finding the right fit is easy. Popular picks like Multi-Purpose O-Ring, UltraStat Thermostat: 192 Degrees, and Pressurized Coolant Reservoir: White, Plastic, Original Equipment Replacement start at just $2.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Engine Cooling Part, don’t forget to check out other key components like Blend Doors and Blower Motor and Related Products. At Advance Auto Parts, we’re here to help you keep your 1999 Audi A4 in peak condition, inside and out.

Looking for the perfect Engine Cooling Part for your 1999 Audi A4? You’re in the right place. Below, you’ll find links to various types of Engine Cooling Parts that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Cooling Parts, ensuring durability and a precise fit for your Audi A4. Whether you’re driving a 1999 model or another popular model year like 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, and 2020, we’ve got you covered. Purchasing Engine Cooling Parts from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Engine Cooling Parts that fit your vehicle.

Essential 1999 Audi A4 Engine Cooling Parts

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$40.99

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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$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
Meets and/or exceeds OEM standard
100% leak tested
Direct-fit replacement for ease of installation

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$25.99

Manufactured with OEM quality materials and safety standards by an OE Supplier. 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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$338.99

Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.

Product Features:

Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure accurate signal output providing product reliability, every time.

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$309.99

Aux Water Pump

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$21.49

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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$11.79

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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$20.99

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

Product Features:

Designed to OE standards for ease of installation
In manufacturing, we custom form the wax pellets for different temperature range specifications. All units are calibrated & tested to confirm switch actuation at their specified temperature
The switch is designed using a formed bimetallic contact arm. The bimetal contact movement is achieved using the different expansion rates of two metals fused together. This is a creep action device, provides precise performance
In production, all thermal switches are factory-calibrated to make electrical contact at the specified lower-temperature set point
Robust design and high grade materials meet the stringent demands of today’s service professional

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$4.49

Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

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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$2.99

Meets or exceeds all original equipment specifications
Application specific, providing unsurpassed quality for a seal you can trust
Validated for fit, form, and function
Engineered for the sealing repair environment
Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes

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$158.99

New Platinum Pro Radiator, 2.0 Liter Engine, Automatic Transmission

Product Features:

2.0 Liter Engine, Automatic Transmission, 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
Radiator Cap Not Included
Check Out The Large Selection Of Parts Available For Your Vehicle

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$62.99

Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The Engine Cooling Fan Switch regulates the operation of the cooling fan based on engine temperature, preventing overheating and ensuring optimal engine performance by maintaining a safe operating temperature. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.

Product Features:

Durable Construction: Designed with high-quality materials to withstand harsh environmental conditions, ensuring long-lasting performance in extreme temperatures, vibrations, and moisture exposure.
Precision Engineering: Accurate sensing and switching capabilities provide reliable performance, reducing the risk of malfunctions and improving vehicle safety and efficiency.
Easy Installation & Maintenance: Designed for quick installation and minimal upkeep, reducing downtime and repair costs for both manufacturers and consumers.
Fit/Form/Function: Each vehicle electronic component is engineered to meet or surpass OEM standards, ensuring precise fit, optimal functionality, and reliable performance.

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$312.99

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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$142.99

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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$7.99

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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$5.29

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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$175.99

Product Features:

Designed, tested, and built by application
OE performance, fit, and appearance
Precision machined
Out of box installation

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$161.99

Product Features:

Designed, tested, and built by application
OE performance, fit, and appearance
Precision machined
Out of box installation

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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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$3.99

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

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered and manufactured specifically for the repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

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$3.99

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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$4.29

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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$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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$9.99

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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$2.99

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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$5.99

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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$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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$13.49

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

Popular 1999 Audi A4 Engine Cooling Parts Categories

Coolant Temperature Sensors

Coolant Reservoir Caps

Water Outlets

Engine Coolant Pipe O-Rings

Radiator Fan Control Relays

Thermostat Housing Gaskets

Thermostat Housings

Thermostat Seals

Engine Auxiliary Water Pumps

Water Pump Gaskets

Coolant Outlet Flanges

Thermostat Housing O-Rings

Radiator Fan Switches

Engine Coolant Water Inlets

Water Pump Housing O-Rings

Most Popular Thermostats for 1999 Audi A4s

Enhance your 1999 Audi A4 with one of the 7 Thermostats we have in stock, starting at just $16.99.

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$22.99

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:

Exclusive BLVT Valve Technology minimizes thermal shock to cooling system components
Heavy gauge stainless steel components offer increased reliability and long-lasting durability
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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$17.29

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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$25.99

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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$17.99

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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$22.99

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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$16.99

Rein Automotive OE quality thermostat inserts install, fit and perform the way the original manufacturer intended. This ensures a smooth and easy installation, just as one would expect to find with OE quality. These inserts are designed to meet or exceed the OE materials used. Rein thermostats are produced with high-quality metals and components to ensure proper durability and service life. The thermostats are temperature calibrated to have a consistent and precise response suiting cooling system needs. Our quality thermostat inserts aim to provide the profession repair technician and vehicle owner peace of mind and trust that is expected from an OE quality component.

Product Features:

Matches original equipment design specifications
All gaskets or seals necessary for installation are supplied with thermostats
Manufactured to strict engineering standards/specifications in materials and tolerances
Thermostat set to 87 degrees Celsius to maintain optimal running temperature

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$32.49

Original equipment design provides exact fit and performance.

Product Features:

Precise fitting sealing edges prevent leakage and premature cooling.
Self-cleaning and self-aligning thermostat valve.
Stainless steel assembly and springs are engineered for long life and smooth performance.

Best-Selling 1999 Audi A4 Coolant Reservoir

Upgrade your A4 with our best-selling Coolant Reservoir with a 3.5 Starts rating across 15 reviews.

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$51.99

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

Top-Quality Water Pump Gaskets for 1999 Audi A4s

Choose a high-quality OEM or aftermarket Water Pump Gasket for Audi A4s and enjoy top-notch performance from $5.29.

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$17.29

Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

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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$15.99

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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$5.29

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.

Top Picks for 1999 Audi A4 Coolant Reservoir Caps

Invest in one of our 2 durable Coolant Reservoir Caps for your 1999 Audi, knowing you’re getting trusted brands and expert craftsmanship.

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$13.99

Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

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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$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

Top-Rated Radiators for 1999 Audi A4s

Make a smart move for your 1999 Audi A4 with products all priced from $161.99 to $216.99.

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$216.99

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 engineeredáwith integrated ribbingáfor addedástrength 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

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$185.99

Thermal tested under real-life temperature simulations
High tensile strength aluminum for maximum crimp strength
Plastic tanks are engineeredáwith integrated ribbingáfor addedástrength 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

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$161.99

Thermal tested under real-life temperature simulations
High tensile strength aluminum for maximum crimp strength
Plastic tanks are engineeredáwith integrated ribbingáfor addedástrength 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

Top-Rated Engine Cooling Part Brands For Your 1999 Audi A4

When it comes to finding the perfect Engine Cooling Part for your 1999 Audi A4, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 11 trusted brands. We carry the most popular Engine Cooling Part brands including FELPRO, Carquest Premium, and Mahle, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $2.49. Purchasing a Engine Cooling Part from us here at Advance Auto Parts is a smart move for both you and your 1999 Audi A4, providing peace of mind with parts that meet or exceed OEM standards.

Popular FELPRO 1999 Audi A4 Engine Cooling Parts

If you’re looking for a top-quality Engine Cooling Part for your 1999 Audi A4, Advance Auto Parts has exactly what you need with our selection of FELPRO Engine Cooling Parts. We have 1 FELPRO Engine Cooling Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $2.99, you’ll find the perfect Engine Cooling Part for your needs and budget. FELPRO Engine Cooling Parts for the 1999 Audi A4 come highly rated, with over 8 customer reviews and an impressive average rating of 4.6 stars. Choosing a FELPRO Engine Cooling Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

from $2.99

(8)

Multi-Purpose O-Ring

“Easy to install, no leaks”

Top-Quality Carquest Premium 1999 Audi A4 Engine Cooling Parts

For those in search of a high-quality Engine Cooling Part for their 1999 Audi A4, Advance Auto Parts offers a great selection of Carquest Premium Engine Cooling Parts. With 3 Carquest Premium Engine Cooling Parts in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Engine Cooling Parts start at just $13.99, with an average price of $82.76, giving you a range of options to suit your budget. Backed by over 22 customer ratings and an average rating of 4.4 stars, Carquest Premium Engine Cooling Parts provide both reliability and excellent performance. Choosing a Carquest Premium Engine Cooling Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

from $216.99

(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.”

from $13.99

(3)

Standard Reservoir Cap: 20 PSI

“Great price”

from $17.29

(12)

Standard Thermostat: 190 Degrees

“Replaced my old worn out thermostat with this one and got me back up and running.”

FAQs for 1999 Audi A4 Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 1999 Audi A4s?

Out of 42 Engine Cooling Parts that fit 1999 Audi A4s, the following parts are the top sellers:

Multi-Purpose O-Ring (5185580) – $2.99
UltraStat Thermostat: 192 Degrees (11920663) – $22.99
Pressurized Coolant Reservoir: White, Plastic, Original Equipment Replacement (22149143) – $51.99

What’s the price range for 1999 Audi A4 Engine Cooling Parts?

The prices of Engine Cooling Parts for the 1999 Audi A4 range from $2.49 up to $338.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 1999 Audi A4?

The average price for Engine Cooling Parts for the 1999 Audi A4 is $59.81. Keep in mind the variety of part types within our Engine Cooling Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Engine Cooling Parts for other Audi A4 model years?

Yes, we carry Engine Cooling Parts for 23 model years of Audi A4s between 1996 and 2020. The following model years are the most popular for Engine Cooling Part purchases: 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, and 2012.

What are the cheapest Engine Cooling Parts for my 1999 Audi A4?

The cheapest 1999 Audi A4 Engine Cooling Parts we carry are:

Water Pump Gasket (18024940) – $2.49
Engine Coolant Thermostat Housing Gasket (10307383) – $2.49
Multi-Purpose O-Ring (5185580) – $2.99
Multi-Purpose O-Ring (19780227) – $3.99
Engine Coolant Thermostat Housing Seal (12547363) – $4.29

Does Advance Auto Parts sell Engine Cooling Parts for any other 1999 Audi models?

Yes. We stock Engine Cooling Parts for 4 other popular 1999 Audi models. Some of the most popular are 1999 A4 Quattro Engine Cooling Parts, 1999 A6 Quattro Engine Cooling Parts, 1999 A6 Engine Cooling Parts, 1999 A8 Quattro Engine Cooling Parts, and 1999 A8 Engine Cooling Parts.

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

The one 1999 Audi A4 Engine Cooling Part we have in stock is the Water Pump Gasket. It is rated 4.5 stars and costs $2.49.

What types of Engine Cooling Parts do you sell for my 1999 Audi A4?

As of 11/2/25, these are some of the most in-demand types of Engine Cooling Parts for a 1999 Audi A4:

Can I get help with 1999 Audi A4 Engine Cooling Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Audi Engine Cooling Parts and more.

What is your return policy for Audi A4 Engine Cooling Parts?

Advance Auto Parts keeps returns simple. For new Audi A4 Engine Cooling Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1999 Audi A4 Engine Cooling Parts

Rein – Expansion Tank (Part No.EPT0153)

Carquest Premium – Coolant Housing/Water Outlet (Part No.85182)

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

Carquest Premium – Multi-Purpose Relay (Part No.RAC2066)

Carquest Premium – Aux Water Pump (Part No.T1755)

Dorman – Help – Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack (Part No.54019)

Dorman – Engine Coolant Water Outlet (Part No.902-886)

Carquest – Engine Coolant Temperature Sensor (Part No.WT7257)

Felpro – Multi-Purpose O-Ring (Part No.35763)

Felpro – Multi-Purpose O-Ring (Part No.25598)

KAI – Radiator (Part No.RAD2823)

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

Dorman – Radiator Fan Assembly: Dual, Cost Effective & Reliable (Part No.620-806)

Dorman – Radiator Fan Assembly: Single, Cost Effective and Reliable (Part No.620-800)

Victor Reinz – Engine Water Pump Gasket (Part No.71-38928-00)

Victor Reinz – Engine Water Pump Gasket (Part No.71-31717-10)

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

Carquest Premium – Universal Fan Clutch – 5" Thermal Import/Compact (Part No.215068)

Beck/Arnley – Water Pump Gasket (Part No.039-0033)

Felpro – Engine Coolant Thermostat Housing Gasket (Part No.35750)

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

Victor Reinz – Engine Coolant Thermostat Housing Seal (Part No.41-76149-00)

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

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

Felpro – Multi-Purpose O-Ring (Part No.35716)

Victor Reinz – Engine Coolant Pipe O-Ring (Part No.41-10479-00)

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

Dorman – Coolant Housing/Water Outlet: with Water Outlet and O-Ring, 45 Degree Neck Angle (Part No.902-991)

Motorad UltraStats – UltraStat Thermostat: 192 Degrees (Part No.5475-190)

Carquest Premium – Standard Thermostat: 190 Degrees (Part No.14419)

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

Carquest Premium – Standard Thermostat: 198 Degrees (Part No.14099)

Motorad – Standard Thermostat: 170 Degrees (Part No.304-170)

Rein – Thermostat Insert 87C (Part No.CTI0006)

Carquest Premium – Thermostat (Part No.48049)

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

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

Victor Reinz – Engine Water Pump Gasket (Part No.71-15988-00)

Victor Reinz – Engine Water Pump Gasket (Part No.71-31717-10)

Carquest Premium – Standard Reservoir Cap: 20 PSI (Part No.10249)

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

Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.432554)

Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.432598)

Carquest Premium – Radiator (Part No.412192)