2004 BMW 645Ci Engine Cooling Parts

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 Coolant Reservoir Caps, Thermostats, and Thermostat and Water Outlet Assemblies. 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 DriveWorks, Imperial, and Mahle. For example, DriveWorks Engine Cooling Parts start at just $145.99 with an average 4.3 star rating. Imperial and Mahle offer similar pricing and quality, backed by strong customer feedback. With over 103 reviews and a solid 4 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 $96.12, with a range that starts at $2.99 and goes up to $531.99. With 30 options in stock from 12 trusted brands, finding the right fit is easy. Popular picks like Pressurized Coolant Reservoir: Black, Plastic, Original Equipment Replacement, Thermostatic Fan Control – Preset, and Radiator Cap: 30 PSI 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

Carquest Premium – Radiator Cap: 30 PSI (Part No.T65)

Radiator Cap: 30 PSI

from

$31.99
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.
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Victor Reinz – Engine Coolant Pipe O-Ring (Part No.41-10452-00)

Engine Coolant Pipe O-Ring

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.

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

Radiator Drain Cock Screw-In Type With Washer

from

$7.49
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.

Product Features:
  • Direct replacement – this radiator drain petcock matches the fit and function of the original equipment part
  • Durable construction – this part is made of quality materials for a long service life
  • Saves money – offers original equipment quality at a competitive price
  • Quality assured – this petcock has undergone virtual testing to assure proper fit and function
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Dorman – Automatic Transmission Oil Cooler Thermostat (Part No.902-5908)

Automatic Transmission Oil Cooler Thermostat

from

$103.99
This automatic transmission oil cooler thermostat is designed to match the fit and function of the original thermostat on specified applications, and is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this automatic transmission oil cooler thermostat is designed to match the fit and function of the original thermostat on specified applications
  • Restores functionality – reliable replacement for an original part that has failed due to fatigue, vibration or contamination
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Driveworks Water Pumps – Water Pump (Part No.57-1688)

Water Pump

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.

Product Features:
  • 100% leak testing and hub-pull testing ensures reliable performance.
  • O.E.-supplied NEW unitized seals ensure long-lasting, trouble-free performance.
  • The proper O.E. specified bearing design is installed to meet the specific radial and axial load requirements of each application. This ensures longer bearing life and reliable performance.
  • Thermostat seal and mounting gasket are supplied for ease of installation (where applicable).
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Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T2283)

Engine Water Pump: New, Gasket/Seals Included

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.

Product Features:
  • 100% tested for reliable performance
  • Durable housing features precisely machined mounting surface for proper sealing and fitment
  • Equipped with weep chamber or similar feature to help prevent unnecessary replacement
  • Included heavy-duty unitized bearings, pressed-on hubs and optimal impeller clearance for a long-lasting water pump
  • All gaskets or seals necessary for water pump are included
  • This pump is driven by the accessory belt and we recommend replacement if nearing service recommendation
  • This pump is driven by the timing chain; see vehicle manufacturer recommendation for replacement of timing components
  • This pump is driven by the timing belt; see vehicle manufacturer recommendation for replacement of timing components
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Dorman – Auxiliary Coolant Pump (Part No.902-076)

Auxiliary Coolant Pump

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.

Product Features:
  • Direct replacement – this engine auxiliary water pump is designed to match the fit and function of the original pump on specified applications
  • Restores functionality – reliable replacement for an original pump that has failed to provide sufficient water flow
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Carquest Premium – Engine Auxiliary Water Pump (Part No.T7090)

Engine Auxiliary Water Pump

from

$379.99
This new pump is 100% tested to ensure the highest quality. Each unit is built to meet or exceed all OE specifications and is validated for fit, form, and function. Application specific design to ensure a perfect fit and correct operation for unsurpassed quality.

Product Features:
  • All components necessary for installation are supplied with pump
  • Specialized for vehicles using supplemented cooling for the engine or components
  • Follow all enclosed instructions to maximize pump life and validate warranty
  • Plastic housing
  • Electric water pump
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URO Parts – Collapsible Water Transfer Pipe Kit (Part No.11141439975PRM)

Collapsible Water Transfer Pipe Kit

from

$299.99
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. Most importantly, we are so confident in our engineering that each URO Premium product will come with a warranty no auto part has come with before. You no longer have to make a choice between brands, the choice is clear.
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Rein – Water Hose (Part No.CHE0481)

Water Hose

from

$19.99
Rein Automotive OE quality coolant hoses fit European vehicles the way the original manufacturer intended. Designed to be direct replacements for OE hoses and hose assemblies, Rein hoses are identical to the OEM, from the size and shape of their branches to the thermoplastic quick connect fittings.

Product Features:
  • Reduces installation time.
  • No cutting, refitting or adjusting the hose.
  • Prevents leaks and comebacks from reusing old quick connectors and o-rings.
  • Resistant to heat, salt, road debris, oil and other contaminants.
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Carquest Premium – Engine Cooling Fan Module (Part No.ACC1313)

Engine Cooling Fan Module

from

$99.99
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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Imperial – Adjustable Thermostatic Fan Control (Part No.226203)

Adjustable Thermostatic Fan Control

from

$23.99
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.

Product Features:
  • Economy adjustable thermostatic fan control
  • Economy Model; 32-248 Deg. F
  • For use with Imperial electric fans
  • Probe installs into radiator fins
  • Contains gaskets, O-rings, or seals to properly replace the product
  • Brass construction for accurate temperature sensing
  • Zinc coated terminal to resist corrosion
  • Vehicle specific applications
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Victor Reinz – Engine Coolant Thermostat Housing Gasket (Part No.41-77548-00)

Engine Coolant Thermostat Housing Gasket

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.

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

Engine Coolant Thermostat Housing Gasket

from

$3.49
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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Delphi – Engine Coolant Temperature Sensor (Part No.TS10270)

Engine Coolant Temperature Sensor

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.

Product Features:
  • Delphi temperature sensors deliver accurate readings and optimal performance
  • Delphi’s one-piece design and automated production process eliminates internal connectors and failure points
  • Each sensor is electrically insulated to eliminate interference from other components in the vehicle
  • Delphi temperature sensors are impervious to electrical noise and interference
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Carquest Premium – Coolant Temperature Sensor 1TS1015 (Part No.WTC1038)

Coolant Temperature Sensor 1TS1015

from

$28.99
Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • OE precision matched thermistor ensuring Carquest sensors match OE output resistances across all temperature positions
  • O-rings, seals or thread sealant are included if required
  • Weather-tight connectors prevent leaks and corrosion for longer life
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
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Victor Reinz – Engine Water Pump Gasket (Part No.71-17659-00)

Engine Water Pump Gasket

from

$27.49
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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Dorman – Pressurized Coolant Reservoir: Black, Plastic, Original Equipment Replacement (Part No.603-351)

Pressurized Coolant Reservoir: Black, Plastic, Original Equipment Replacement

from

$117.99
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
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Rein – Expansion Tank (Part No.EPT0128)

Expansion Tank

from

$104.99
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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Carquest Premium – Engine Coolant Level Sensor (Part No.FFA1003)

Engine Coolant Level Sensor

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.

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.
  • 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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Imperial – Electric Fan, 14" Diameter (Part No.226114)

Electric Fan, 14" Diameter

from

$99.99
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.

Product Features:
  • Motors built and tested to quality specifications
  • 14 in. universal fit reversible fan
  • 1250 CFM
  • UNIVERSAL fan, NOT a direct OE replacement. Measure core and verify space.
  • Motors built and tested to quality specifications
  • 14 in. universal fit reversible fan
  • 1250 CFM
  • UNIVERSAL fan, NOT a direct OE replacement. Measure core and verify space.
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KAI – Radiator Fan Assembly, 7/05-07 525/530I, 08 528I, 04-5 545I, 04-5 645I (Part No.BM3115107)

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

from

$531.99
New Platinum Pro Radiator Fan Assembly, 7/05-07 525/530I, 08 528I, 04-5 545I, 04-5 645I

Product Features:
  • 7/05-07 525/530I, 08 528I, 04-5 545I, 04-5 645I, Made Of Plastic
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
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Motorad – Integrated Thermostat Housing: With Sensor, With Seal, 221 Degrees (Part No.606-221)

Integrated Thermostat Housing: With Sensor, With Seal, 221 Degrees

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

Product Features:


    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 – Integrated Thermostat Housing (Part No.85956)

Integrated Thermostat Housing

from

$85.99
All-in-one bolt on solution for a complete repair

Product Features:
  • Meets and/or exceeds OEM standard
  • Includes quality gasket or O-ring  to ensure proper seal (where applicable
  • Includes quality gasket or O-ringá to ensure proper seal (where applicable
  • Coated with corrosion and rust inhibitor
  • 100% leak tested
  • All-in-one bolt on solution for a complete repair
  • Includes quality thermostat
  • Meets and/or exceeds OEM standard
  • Includes quality gasket or O-ring to ensure proper seal (where applicable)
  • Coated with corrosion and rust inhibitor
  • 100% leak tested
  • All-in-one bolt on solution for a complete repair
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Most Popular Coolant Reservoir Caps for 2004 BMW 645Cis

Enhance your 2004 BMW 645Ci with one of the 3 Coolant Reservoir Caps we have in stock, starting at just $23.99.

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

Radiator Cap: 30 PSI

from

$30.99
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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Rein – Cap-Expansion Tank (Part No.CPE0034)

Cap-Expansion Tank

from

$23.99
Rein Automotive OE Quality expansion tank caps are designed to be direct replacements for OE caps. Rein caps are designed to match or exceed the OE materials used and are produced to the highest standards to ensure long service life. Rein Automotive OE quality expansion tank caps keep the coolant system at the proper pressure just like the OE cap.

Product Features:
  • Manufactured to strict engineering standards/specifications in materials and tolerances.
  • Direct fit.
  • Meets or exceeds pressure specifications demanded by the OE manufacturer.
  • Produced by an original equipment supplier.
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Carquest Premium – Radiator Cap: 30 PSI (Part No.T65)

Radiator Cap: 30 PSI

from

$31.99
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

Best-Selling 2004 BMW 645Ci Thermostat

Upgrade your 645Ci with our best-selling Thermostat.

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

Integrated Thermostat Housing

from

$85.99
All-in-one bolt on solution for a complete repair

Product Features:
  • Meets and/or exceeds OEM standard
  • Includes quality gasket or O-ring  to ensure proper seal (where applicable
  • Includes quality gasket or O-ringá to ensure proper seal (where applicable
  • Coated with corrosion and rust inhibitor
  • 100% leak tested
  • All-in-one bolt on solution for a complete repair
  • Includes quality thermostat
  • Meets and/or exceeds OEM standard
  • Includes quality gasket or O-ring to ensure proper seal (where applicable)
  • Coated with corrosion and rust inhibitor
  • 100% leak tested
  • All-in-one bolt on solution for a complete repair
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Top-Quality Thermostat and Water Outlet Assemblies for 2004 BMW 645Cis

Choose a high-quality OEM or aftermarket Thermostat and Water Outlet Assembly for BMW 645Cis and enjoy top-notch performance from $84.99.

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

Integrated Thermostat Housing: With Sensor, With Seal, 221 Degrees

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

Product Features:


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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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 – Water Pump (Part No.57-1688)

Water Pump

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.

Product Features:
  • 100% leak testing and hub-pull testing ensures reliable performance.
  • O.E.-supplied NEW unitized seals ensure long-lasting, trouble-free performance.
  • The proper O.E. specified bearing design is installed to meet the specific radial and axial load requirements of each application. This ensures longer bearing life and reliable performance.
  • Thermostat seal and mounting gasket are supplied for ease of installation (where applicable).
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Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T2283)

Engine Water Pump: New, Gasket/Seals Included

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.

Product Features:
  • 100% tested for reliable performance
  • Durable housing features precisely machined mounting surface for proper sealing and fitment
  • Equipped with weep chamber or similar feature to help prevent unnecessary replacement
  • Included heavy-duty unitized bearings, pressed-on hubs and optimal impeller clearance for a long-lasting water pump
  • All gaskets or seals necessary for water pump are included
  • This pump is driven by the accessory belt and we recommend replacement if nearing service recommendation
  • This pump is driven by the timing chain; see vehicle manufacturer recommendation for replacement of timing components
  • This pump is driven by the timing belt; see vehicle manufacturer recommendation for replacement of timing components
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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 $27.49.

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

Engine Water Pump Gasket

from

$27.49
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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 12 trusted brands. We carry the most popular Engine Cooling Part brands including Mahle, DriveWorks, and Imperial, and more, all known for their exceptional customer ratings (average brand rating of 4.4 stars) and competitive prices, as low as $3.49. 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 Mahle 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 Mahle Engine Cooling Parts. We have 1 Mahle Engine Cooling Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $3.49, you’ll find the perfect Engine Cooling Part for your needs and budget. Mahle Engine Cooling Parts for the 2004 BMW 645Ci come highly rated, with over 3 customer reviews and an impressive average rating of 4.4 stars. Choosing a Mahle Engine Cooling Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Engine Coolant Thermostat Housing Gasket
from $3.49
(3)
Engine Coolant Thermostat Housing Gasket
“Part installed easily and fit/functions well. No more noise from the front end.”

Top-Quality DriveWorks 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 DriveWorks Engine Cooling Parts. With 1 DriveWorks 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 $145.99, giving you a range of options to suit your budget. Backed by over 1 customer ratings and an average rating of 4.3 stars, DriveWorks Engine Cooling Parts provide both reliability and excellent performance. Choosing a DriveWorks Engine Cooling Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Water Pump
from $145.99
(1)
Water Pump
“Working great in myE-60 BMW 545i, N62 engine”

FAQs for 2004 BMW 645Ci Engine Cooling Parts

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

Out of 30 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 $2.99 up to $531.99 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 $96.12. 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?

The cheapest 2004 BMW 645Ci Engine Cooling Parts we carry are:

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 are the top-rated Engine Cooling Parts that fit the 2004 BMW 645Ci?

The one 2004 BMW 645Ci Engine Cooling Part we have in stock is the Engine Coolant Thermostat Housing Gasket. It costs $2.99.

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

As of 11/2/25, 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.