2005 Audi S4 Engine Cooling Parts

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Keep Your 2005 Audi S4 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 2005 Audi S4 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Coolant Reservoir Caps, Radiators, and Radiator Caps. 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. For example, Carquest Premium Engine Cooling Parts start at just $13.99 with an average 4.5 star rating. With over 27 reviews and a solid 2.7 star average, you can shop with confidence knowing other Audi S4 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2005 Audi S4 Engine Cooling Part at Advance Auto Parts is around $90.15, with a range that starts at $3.99 and goes up to $273.99. With 14 options in stock from 6 trusted brands, finding the right fit is easy. Popular picks like Carquest Coolant Temperature Sensor 1TS1008, WTC1007, NTK Engine Coolant Temperature Sensor, EF0079, and Carquest Standard Thermostat: 192 Degrees, 14099 start at just $17.99 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 Air Conditioning Parts and Blower Motor and Related Products. At Advance Auto Parts, we’re here to help you keep your 2005 Audi S4 in peak condition, inside and out.

Essential 2005 Audi S4 Engine Cooling Parts

Motorad – Motorad Integrated Thermostat Housing: 189 Degrees, 946-189 (Part No.946-189)

Motorad Integrated Thermostat Housing: 189 Degrees, 946-189

from

$196.99
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.
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Carquest Premium – Carquest Coolant Temperature Sensor, WTC2065 (Part No.WTC2065)

Carquest Coolant Temperature Sensor, WTC2065

from

$36.99
Carquest Premium coolant temperature sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry, Carquest Premium coolant temperature sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium coolant temperature sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
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Carquest Premium – Carquest Coolant Temperature Sensor 1TS1008, WTC1007 (Part No.WTC1007)

Carquest Coolant Temperature Sensor 1TS1008, WTC1007

from

$31.99
Carquest Premium coolant temperature sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry, Carquest Premium coolant temperature sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium coolant temperature sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
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Carquest Premium – Carquest Coolant Temperature Sensor, WTA2349 (Part No.WTA2349)

Carquest Coolant Temperature Sensor, WTA2349

from

$17.99
Approved materials for increased durability in even the most extreme temperatures. All Carquest Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.
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Dorman – Help – Dorman – Help Coolant Reservoir Cap, 54016 (Part No.54016)

Dorman - Help Coolant Reservoir Cap, 54016

from

$13.99
Cracked or lost the original engine coolant reservoir cap? Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.
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Carquest Premium – Carquest Standard Reservoir Cap: 23 Psi, T111 (Part No.T111)

Carquest Standard Reservoir Cap: 23 Psi, T111

from

$57.99
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.
See More

URO Parts – URO Parts Expansion Tank Cap, 3B0121321 (Part No.3B0121321)

URO Parts Expansion Tank Cap, 3B0121321

from

$3.99
For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO Parts components are ideal for both professional and DIY vehicle repair, and are often the exclusive aftermarket alternative to overpriced €œGenuine€ components. By reducing deferred maintenance with URO Parts, you will increase the bottom line of your business. With its URO Premium line, A.P.A. offers problem-solving upgraded components that are superior to failure-prone OEM parts in design and/or materials. A.P.A. is so confident in the longevity and reliability of URO Premium products, . URO Parts also specializes in accurate reproduction parts for classic vehicles, including a huge variety of items that are no longer available from the dealer.
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Carquest Premium – Carquest Radiator Cap Adapter, 12036 (Part No.12036)

Carquest Radiator Cap Adapter, 12036

from

$115.99
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 cooling systems.
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Carquest Premium – Carquest Fuel Cap Tester Adapter:, 12427 (Part No.12427)

Carquest Fuel Cap Tester Adapter:, 12427

from

$34.99
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.
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Carquest Premium – Carquest Radiator Cap: 16 PSI, 10225 (Part No.10225)

Carquest Radiator Cap: 16 PSI, 10225

from

$8.99
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.
See More

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

Carquest Standard Reservoir Cap: 20 PSI, 10249

from

$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.
See More

Dorman – Dorman Radiator Fan Assembly: Single, Cost Effective and Reliable, 621-186 (Part No.621-186)

Dorman Radiator Fan Assembly: Single, Cost Effective and Reliable, 621-186

from

$227.99
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.
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Carquest Premium – Carquest Radiator, 812557 (Part No.812557)

Carquest Radiator, 812557

from

$181.99
A global leader in the manufacture and distribution of aftermarket cooling products for automotive, heavy truck, and industrial applications. Specialized in the production of OE-quality Radiators, Condensers, and Charge Air Coolers for US and international markets, covering over 10,000 part numbers worldwide. Reach Cooling is headquartered in Miami, Florida, with additional distribution centers in Los Angeles, California and a manufacturing plant in Shanghai, China.
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Carquest Premium – Carquest Radiator, 811927 (Part No.811927)

Carquest Radiator, 811927

from

$208.99
A global leader in the manufacture and distribution of aftermarket cooling products for automotive, heavy truck, and industrial applications. Specialized in the production of OE-quality Radiators, Condensers, and Charge Air Coolers for US and international markets, covering over 10,000 part numbers worldwide. Reach Cooling is headquartered in Miami, Florida, with additional distribution centers in Los Angeles, California and a manufacturing plant in Shanghai, China.
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Carquest Premium – Carquest Radiator, 432554 (Part No.432554)

Carquest Radiator, 432554

from

$218.99
Reach Radiators offer one of the largest product ranges in the aftermarket, covering more than 95% of the popular automotive and light truck applications. Reach Radiators meet or exceed original equipment specifications, ensuring that products fit and perform just as well or better than the original parts, providing you peace of mind.
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Carquest Premium – Carquest Radiator, 432598 (Part No.432598)

Carquest Radiator, 432598

from

$188.99
A global leader in the manufacture and distribution of aftermarket cooling products for automotive, heavy truck, and industrial applications. Specialized in the production of OE-quality Radiators, Condensers, and Charge Air Coolers for US and international markets, covering over 10,000 part numbers worldwide. Reach Cooling is headquartered in Miami, Florida, with additional distribution centers in Los Angeles, California and a manufacturing plant in Shanghai, China.
See More

Carquest Premium – Carquest Radiator, 433658 (Part No.433658)

Carquest Radiator, 433658

from

$273.99
Reach Radiators offer one of the largest product ranges in the aftermarket, covering more than 95% of the popular automotive and light truck applications. Reach Radiators meet or exceed original equipment specifications, ensuring that products fit and perform just as well or better than the original parts, providing you peace of mind.
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Rein – Rein Thermostat Assembly 85C, CTA0017 (Part No.CTA0017)

Rein Thermostat Assembly 85C, CTA0017

from

$80.99
Rein Automotive OE quality thermostat assemblies 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 assemblies 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 assemblies aim to provide the professional repair technician and vehicle owner peace of mind and trust that is expected from an OE quality component
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Carquest Premium – Carquest Standard Thermostat: 195 Degrees, 247-195 (Part No.247-195)

Carquest Standard Thermostat: 195 Degrees, 247-195

from

$37.99
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.
See More

URO Parts – URO Parts Thermostat Assembly, 06E121111AL (Part No.06E121111AL)

URO Parts Thermostat Assembly, 06E121111AL

from

$38.99
For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO Parts components are ideal for both professional and DIY vehicle repair, and are often the exclusive aftermarket alternative to overpriced €œGenuine€ components. By reducing deferred maintenance with URO Parts, you will increase the bottom line of your business. With its URO Premium line, A.P.A. offers problem-solving upgraded components that are superior to failure-prone OEM parts in design and/or materials. A.P.A. is so confident in the longevity and reliability of URO Premium products, . URO Parts also specializes in accurate reproduction parts for classic vehicles, including a huge variety of items that are no longer available from the dealer.
See More

Carquest Premium – Carquest Standard Thermostat: 192 Degrees, 14099 (Part No.14099)

Carquest Standard Thermostat: 192 Degrees, 14099

from

$17.99
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.
See More

Carquest Premium – Carquest Thermostat: 176 Degrees, 304-176 (Part No.304-176)

Carquest Thermostat: 176 Degrees, 304-176

from

$164.99
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.
See More

Carquest Premium – Carquest Radiator Cap Adapter, 12037 (Part No.12037)

Carquest Radiator Cap Adapter, 12037

from

$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.
See More

Carquest Premium – Carquest Radiator Cap Adapter, 12017 (Part No.12017)

Carquest Radiator Cap Adapter, 12017

from

$8.99
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.
See More

Most Popular Coolant Reservoir Caps for 2005 Audi S4s

Enhance your 2005 Audi S4 with one of the 3 Coolant Reservoir Caps we have in stock, starting at just $3.99.

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

Dorman - Help Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack, 54019

from

$21.49
Cracked or lost the original engine coolant reservoir cap- Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.
See More

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

Rein Cap-Expansion Tank, CPE0047

from

$13.99
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.
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URO Parts – URO Parts Expansion Tank Cap, 3B0121321 (Part No.3B0121321)

URO Parts Expansion Tank Cap, 3B0121321

from

$3.99
For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO Parts components are ideal for both professional and DIY vehicle repair, and are often the exclusive aftermarket alternative to overpriced €œGenuine€ components. By reducing deferred maintenance with URO Parts, you will increase the bottom line of your business. With its URO Premium line, A.P.A. offers problem-solving upgraded components that are superior to failure-prone OEM parts in design and/or materials. A.P.A. is so confident in the longevity and reliability of URO Premium products, . URO Parts also specializes in accurate reproduction parts for classic vehicles, including a huge variety of items that are no longer available from the dealer.
See More

Best-Selling 2005 Audi S4 Radiators

Upgrade your S4 with one of our 2 best-selling Radiators, earning an average 2 stars rating across 5 reviews.

Carquest Premium – Carquest Radiator, 433658 (Part No.433658)

Carquest Radiator, 433658

from

$273.99
Reach Radiators offer one of the largest product ranges in the aftermarket, covering more than 95% of the popular automotive and light truck applications. Reach Radiators meet or exceed original equipment specifications, ensuring that products fit and perform just as well or better than the original parts, providing you peace of mind.
See More

Carquest Premium – Carquest Radiator, 812557 (Part No.812557)

Carquest Radiator, 812557

from

$181.99
A global leader in the manufacture and distribution of aftermarket cooling products for automotive, heavy truck, and industrial applications. Specialized in the production of OE-quality Radiators, Condensers, and Charge Air Coolers for US and international markets, covering over 10,000 part numbers worldwide. Reach Cooling is headquartered in Miami, Florida, with additional distribution centers in Los Angeles, California and a manufacturing plant in Shanghai, China.
See More

Top-Quality Radiator Caps for 2005 Audi S4s

Choose a high-quality OEM or aftermarket Radiator Cap for Audi S4s and enjoy top-notch performance from $13.99.

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

Carquest Standard Reservoir Cap: 20 PSI, 10249

from

$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.
See More

Top Picks for 2005 Audi S4 Coolant Temperature Sensors

Invest in one of our 3 durable Coolant Temperature Sensors for your 2005 Audi, knowing you’re getting trusted brands and expert craftsmanship.

Rein – Rein Temperature Sensor Kit, ELC0051P (Part No.ELC0051P)

Rein Temperature Sensor Kit, ELC0051P

from

$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.
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Carquest Premium – Carquest Coolant Temperature Sensor 1TS1008, WTC1007 (Part No.WTC1007)

Carquest Coolant Temperature Sensor 1TS1008, WTC1007

from

$31.99
Carquest Premium coolant temperature sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry, Carquest Premium coolant temperature sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium coolant temperature sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
See More

NTK – NTK Engine Coolant Temperature Sensor, EF0079 (Part No.EF0079)

NTK Engine Coolant Temperature Sensor, EF0079

from

$34.99
The Engine Coolant Temperature Sensor determines the exact temperature of the engine coolant by sending an analog signal to the ECM to ensure proper air/fuel ratio along with proper operation of the cooling fans 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.
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Our Thermostats for 2005 Audi S4s

Make a smart move for your 2005 Audi S4 with our Thermostat for $17.99.

Carquest Premium – Carquest Standard Thermostat: 192 Degrees, 14099 (Part No.14099)

Carquest Standard Thermostat: 192 Degrees, 14099

from

$17.99
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.
See More

Top-Rated Engine Cooling Part Brands For Your 2005 Audi S4

When it comes to finding the perfect Engine Cooling Part for your 2005 Audi S4, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 6 trusted brands. We carry the most popular Engine Cooling Part brands including Carquest Premium, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $13.99. Purchasing a Engine Cooling Part from us here at Advance Auto Parts is a smart move for both you and your 2005 Audi S4, providing peace of mind with parts that meet or exceed OEM standards.

Popular Carquest Premium 2005 Audi S4 Engine Cooling Parts

If you’re looking for a top-quality Engine Cooling Part for your 2005 Audi S4, Advance Auto Parts has exactly what you need with our selection of Carquest Premium Engine Cooling Parts. We have 1 Carquest Premium Engine Cooling Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $13.99, you’ll find the perfect Engine Cooling Part for your needs and budget. Carquest Premium Engine Cooling Parts for the 2005 Audi S4 come highly rated, with over 3 customer reviews and an impressive average rating of 4.5 stars. Choosing a Carquest Premium Engine Cooling Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Carquest Standard Reservoir Cap: 20 PSI, 10249
from $13.99
(3)
Carquest Standard Reservoir Cap: 20 PSI, 10249
“Great price”

FAQs for 2005 Audi S4 Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 2005 Audi S4s?

Out of 14 Engine Cooling Parts that fit 2005 Audi S4s, the following parts are the top sellers:

What’s the price range for 2005 Audi S4 Engine Cooling Parts?

The prices of Engine Cooling Parts for the 2005 Audi S4 range from $3.99 up to $273.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 2005 Audi S4?

The average price for Engine Cooling Parts for the 2005 Audi S4 is $90.15. 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 S4 model years?

Yes, we carry Engine Cooling Parts for 25 model years of Audi S4s between 1992 and 2025. The following model years are the most popular for Engine Cooling Part purchases: 2023, 2022, 2021, 2020, 2019, 2018, 2016, 2015, and 2014.

What are the cheapest Engine Cooling Parts for my 2005 Audi S4?

The cheapest 2005 Audi S4 Engine Cooling Parts we carry are:

Does Advance Auto Parts sell Engine Cooling Parts for any other 2005 Audi models?

Yes. We stock Engine Cooling Parts for 6 other popular 2005 Audi models. Some of the most popular are 2005 A4 Quattro Engine Cooling Parts, 2005 A4 Engine Cooling Parts, 2005 A6 Quattro Engine Cooling Parts, 2005 TT Quattro Engine Cooling Parts, and 2005 A8 Quattro Engine Cooling Parts.

What types of Engine Cooling Parts do you sell for my 2005 Audi S4?

As of 8/2/26, these are some of the most in-demand types of Engine Cooling Parts for a 2005 Audi S4:

Can I get help with 2005 Audi S4 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 S4 Engine Cooling Parts?

Advance Auto Parts keeps returns simple. For new Audi S4 Engine Cooling Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.