2004 BMW 645Ci Engine Cooling Parts

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Keep Your 2004 BMW 645Ci 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 2004 BMW 645Ci looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Thermostat and Water Outlet Gaskets, Thermostats, and Radiators. 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 , Imperial, and Mahle. For example, Engine Cooling Parts start at just $145.99 with an average 4.5 star rating. Imperial and Mahle offer similar pricing and quality, backed by strong customer feedback. With over 103 reviews and a solid 4.0 star average, you can shop with confidence knowing other BMW 645Ci owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2004 BMW 645Ci Engine Cooling Part at Advance Auto Parts is around $120.25, with a range that starts at $2.65 and goes up to $715.99. With 35 options in stock from 13 trusted brands, finding the right fit is easy. Popular picks like Dorman Pressurized Coolant Reservoir: Black, Plastic, Original Equipment Replacement, 603-351, Imperial Thermostatic Fan Control – Preset, 226206, and Motorad Radiator Cap: 30 PSI, T-65 start at just $30.99 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 Blower Motor and Related Products and HVAC Electrical Parts. At Advance Auto Parts, we’re here to help you keep your 2004 BMW 645Ci in peak condition, inside and out.

Essential 2004 BMW 645Ci Engine Cooling Parts

Dorman – Dorman Auxiliary Coolant Pump, 902-076 (Part No.902-076)

Dorman Auxiliary Coolant Pump, 902-076

from

$144.99
This engine auxiliary water pump is designed to match the fit and function of the original pump on specified applications, and is engineered for reliable performance and durability.
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Victor Reinz – Victor Reinz Engine Coolant Thermostat Housing Gasket, 41-77548-00 (Part No.41-77548-00)

Victor Reinz Engine Coolant Thermostat Housing Gasket, 41-77548-00

from

$2.99
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.
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URO Parts – URO Parts Collapsible Water Transfer Pipe Kit, 11141439975PRM (Part No.11141439975PRM)

URO Parts Collapsible Water Transfer Pipe Kit, 11141439975PRM

from

$359.99
“URO Premium products are re-engineered to solve the problem of these failure prone parts. URO Premium products feature a more robust design and/or higher-grade materials to vastly improve the reliability and durability of the product. Each URO Premium product bears the “”URO Premium”” seal (top left) and “”PRM”” suffix to their part number to easily distinguish them from their OEM counterparts. You no longer have to make a choice between brands, the choice is clear.”
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Felpro – Felpro Engine Coolant Thermostat Gasket, 36226 (Part No.36226)

Felpro Engine Coolant Thermostat Gasket, 36226

from

$5.29
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.
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Carquest Premium – Carquest Radiator, 412826 (Part No.412826)

Carquest Radiator, 412826

from

$341.99
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 Engine Coolant Level Sensor, FFA1003 (Part No.FFA1003)

Carquest Engine Coolant Level Sensor, FFA1003

from

$32.99
The engine cooling system is critical to engine sustainability under all operating conditions. The Coolant Level Sensor reports the level of coolant either in the radiator overflow container or in the radiator tank.
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URO Parts – URO Parts Water Pump Pulley, HD Aluminum, 11517504077PRM (Part No.11517504077PRM)

URO Parts Water Pump Pulley, HD Aluminum, 11517504077PRM

from

$35.99
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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Driveworks Water Pumps – Driveworks Water Pumps Water Pump, 57-1688 (Part No.57-1688)

Driveworks Water Pumps Water Pump, 57-1688

from

$145.99
Using advanced re-engineering materials and processes, our remanufactured water pumps match O.E. fit and performance. Each unit is supplied with new, unitized seals and the proper O.E.-specified bearing design to meet the specific radial and axial load.
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KAI – KAI Radiator Fan Assembly, 7/05-07 525/530I, 08 528I, 04-5 545I, 04-5 645I, BM3115107 (Part No.BM3115107)

KAI Radiator Fan Assembly, 7/05-07 525/530I, 08 528I, 04-5 545I, 04-5 645I, BM3115107

from

$585.99
New Platinum Pro Radiator Fan Assembly, 7/05-07 525/530I, 08 528I, 04-5 545I, 04-5 645I
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Imperial – Imperial Adjustable Thermostatic Fan Control, 226204 (Part No.226204)

Imperial Adjustable Thermostatic Fan Control, 226204

from

$70.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
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Victor Reinz – Victor Reinz Engine Coolant Pipe O-Ring, 41-10452-00 (Part No.41-10452-00)

Victor Reinz Engine Coolant Pipe O-Ring, 41-10452-00

from

$6.29
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.
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Dorman – Dorman Radiator Fan Assembly: Single, with Controller, Cost Effective and Reliable, 621-211 (Part No.621-211)

Dorman Radiator Fan Assembly: Single, with Controller, Cost Effective and Reliable, 621-211

from

$715.99
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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MAHLE Original – MAHLE Original Engine Coolant Thermostat Housing Gasket, C32504 (Part No.C32504)

MAHLE Original Engine Coolant Thermostat Housing Gasket, C32504

from

$3.99
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
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Carquest Premium – Carquest Integrated Thermostat Housing, 85956 (Part No.85956)

Carquest Integrated Thermostat Housing, 85956

from

$85.99
All-in-one bolt on solution for a complete repair
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Rein – Rein Cap-Expansion Tank, CPE0034 (Part No.CPE0034)

Rein Cap-Expansion Tank, CPE0034

from

$24.99
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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Motorad – Motorad Radiator Cap: 30 PSI, T-65 (Part No.T-65)

Motorad Radiator Cap: 30 PSI, T-65

from

$30.99
Manufactured to meet all OEM specifications. Designed to be easy to install and remove. Manufactured from high quality components with proper relief and vacuum valves. Quality tested to stand up to even the most demanding automotive cooling systems.
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Victor Reinz – Victor Reinz Engine Water Pump Gasket, 71-17659-00 (Part No.71-17659-00)

Victor Reinz Engine Water Pump Gasket, 71-17659-00

from

$27.99
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.
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Rein – Rein Expansion Tank Kit, EPK0128 (Part No.EPK0128)

Rein Expansion Tank Kit, EPK0128

from

$117.99
Rein Automotive OE quality expansion tank kits, 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
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Rein – Rein Expansion Tank, EPT0128 (Part No.EPT0128)

Rein Expansion Tank, EPT0128

from

$105.99
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.
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Motorad – Motorad Integrated Thermostat Housing: With Sensor, With Seal, 221 Degrees, 606-221 (Part No.606-221)

Motorad Integrated Thermostat Housing: With Sensor, With Seal, 221 Degrees, 606-221

from

$84.99
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
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Delphi – Delphi Engine Coolant Temperature Sensor, TS10270 (Part No.TS10270)

Delphi Engine Coolant Temperature Sensor, TS10270

from

$25.99
Delphi’s history is one of OE heritage and quality. Our global technical requirements include design specifications and validation testing based on over 100 years of OE experience. Our material selections, material thickness, and material types are built from OE specifications to exceed aftermarket expectations. We put in place strict manufacturing processes to ensure quality control in every part we make. Delphi’s pioneering spirit delivers innovative solutions designed to support the aftermarket in servicing the vehicles of today, and tomorrow.
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NTK – NTK Engine Coolant Temperature Sensor, EF0086 (Part No.EF0086)

NTK Engine Coolant Temperature Sensor, EF0086

from

$32.99
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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Carquest Premium – Carquest Coolant Temperature Sensor 1TS1015, WTC1038 (Part No.WTC1038)

Carquest Coolant Temperature Sensor 1TS1015, WTC1038

from

$28.99
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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Dorman – Help – Dorman – Help Radiator Drain Cock Screw-In Type With Washer, 61145 (Part No.61145)

Dorman - Help Radiator Drain Cock Screw-In Type With Washer, 61145

from

$7.99
This radiator drain petcock is a direct replacement for the original equipment plug that may have deteriorated or corroded. Made of quality materials, this petcock is engineered to strict standards for durable use over time._
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Most Popular Thermostat and Water Outlet Gasket for 2004 BMW 645Cis

Enhance your 2004 BMW 645Ci with this popular Thermostat and Water Outlet Gasket we have in stock, for $5.29.

Felpro – Felpro Engine Coolant Thermostat Gasket, 36226 (Part No.36226)

Felpro Engine Coolant Thermostat Gasket, 36226

from

$5.29
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.
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Best-Selling 2004 BMW 645Ci Thermostat

Upgrade your 645Ci with our best-selling Thermostat.

Carquest Premium – Carquest Integrated Thermostat Housing, 85956 (Part No.85956)

Carquest Integrated Thermostat Housing, 85956

from

$85.99
All-in-one bolt on solution for a complete repair
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Top-Quality Radiators for 2004 BMW 645Cis

Choose a high-quality OEM or aftermarket Radiator for BMW 645Cis and enjoy top-notch performance from $341.99.

Carquest Premium – Carquest Radiator, 412826 (Part No.412826)

Carquest Radiator, 412826

from

$341.99
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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Top Picks for 2004 BMW 645Ci Water Pumps

Invest in one of our 2 durable Water Pumps for your 2004 BMW, knowing you’re getting trusted brands and expert craftsmanship.

Driveworks Water Pumps – Driveworks Water Pumps Water Pump, 57-1688 (Part No.57-1688)

Driveworks Water Pumps Water Pump, 57-1688

from

$145.99
Using advanced re-engineering materials and processes, our remanufactured water pumps match O.E. fit and performance. Each unit is supplied with new, unitized seals and the proper O.E.-specified bearing design to meet the specific radial and axial load.
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Carquest Premium – Carquest Engine Water Pump: New, Gasket/Seals Included, T2283 (Part No.T2283)

Carquest Engine Water Pump: New, Gasket/Seals Included, T2283

from

$199.99
Carquest Premium water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, hub, bearings, gaskets and seals are designed for long-lasting service life. These water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.
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Our Water Pump Gaskets for 2004 BMW 645Cis

Make a smart move for your 2004 BMW 645Ci with our Water Pump Gasket for $27.99.

Victor Reinz – Victor Reinz Engine Water Pump Gasket, 71-17659-00 (Part No.71-17659-00)

Victor Reinz Engine Water Pump Gasket, 71-17659-00

from

$27.99
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.
See More

Top-Rated Engine Cooling Part Brands For Your 2004 BMW 645Ci

When it comes to finding the perfect Engine Cooling Part for your 2004 BMW 645Ci, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 13 trusted brands. We carry the most popular Engine Cooling Part brands including , Mahle, and Imperial, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $3.99. Purchasing a Engine Cooling Part from us here at Advance Auto Parts is a smart move for both you and your 2004 BMW 645Ci, providing peace of mind with parts that meet or exceed OEM standards.

Popular DriveWorks 2004 BMW 645Ci Engine Cooling Parts

If you’re looking for a top-quality Engine Cooling Part for your 2004 BMW 645Ci, Advance Auto Parts has exactly what you need with our selection of DriveWorks Engine Cooling Parts. We have 1 DriveWorks Engine Cooling Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $145.99, you’ll find the perfect Engine Cooling Part for your needs and budget. DriveWorks Engine Cooling Parts for the 2004 BMW 645Ci come highly rated, with over 1 customer reviews and an impressive average rating of 4.5 stars. Choosing a DriveWorks Engine Cooling Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Driveworks Water Pumps Water Pump, 57-1688
from $145.99
(1)
Driveworks Water Pumps Water Pump, 57-1688
“Working great in myE-60 BMW 545i, N62 engine”

Top-Quality Mahle 2004 BMW 645Ci Engine Cooling Parts

For those in search of a high-quality Engine Cooling Part for their 2004 BMW 645Ci, Advance Auto Parts offers a great selection of Mahle Engine Cooling Parts. With 1 Mahle 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 $3.99, giving you a range of options to suit your budget. Backed by over 3 customer ratings and an average rating of 4.5 stars, Mahle Engine Cooling Parts provide both reliability and excellent performance. Choosing a Mahle Engine Cooling Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
MAHLE Original Engine Coolant Thermostat Housing Gasket, C32504
from $2.65
(3)
MAHLE Original Engine Coolant Thermostat Housing Gasket, C32504
“Part installed easily and fit/functions well. No more noise from the front end.”

FAQs for 2004 BMW 645Ci Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 2004 BMW 645Cis?

Out of 35 Engine Cooling Parts that fit 2004 BMW 645Cis, the following parts are the top sellers:

What’s the price range for 2004 BMW 645Ci Engine Cooling Parts?

The prices of Engine Cooling Parts for the 2004 BMW 645Ci range from $2.65 up to $715.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 2004 BMW 645Ci?

The average price for Engine Cooling Parts for the 2004 BMW 645Ci is $120.25. 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.

What are the cheapest Engine Cooling Parts for my 2004 BMW 645Ci?

Does Advance Auto Parts sell Engine Cooling Parts for any other 2004 BMW models?

Yes. We stock Engine Cooling Parts for 16 other popular 2004 BMW models. Some of the most popular are 2004 325i Engine Cooling Parts, 2004 M3 Engine Cooling Parts, 2004 325xi Engine Cooling Parts, 2004 530i Engine Cooling Parts, and 2004 330i Engine Cooling Parts.

What types of Engine Cooling Parts do you sell for my 2004 BMW 645Ci?

As of 8/2/26, these are some of the most in-demand types of Engine Cooling Parts for a 2004 BMW 645Ci:

Can I get help with 2004 BMW 645Ci 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 BMW Engine Cooling Parts and more.

What is your return policy for BMW 645Ci Engine Cooling Parts?

Advance Auto Parts keeps returns simple. For new BMW 645Ci Engine Cooling Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.