BMW 645Ci Engine Cooling Parts

Your One-Stop Shop For Trusted BMW 645Ci Engine Cooling Parts

If you’re in search of BMW 645Ci Engine Cooling Parts aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 30 Engine Cooling Parts from top brands with prices ranging from $2.99 to $531.99.

Beyond great prices, we stock trusted brands manufacturing all types of Engine Cooling Parts for your BMW 645Ci.

And don’t forget to read customer reviews across all Engine Cooling Parts categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Engine Cooling Parts have to cost top dollar, and we prove it. Browse our top BMW 645Ci Engine Cooling Parts below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential BMW 645Ci Engine Cooling Parts

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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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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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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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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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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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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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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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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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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Imperial – Thermostatic Fan Control – Preset (Part No.226206)

Thermostatic Fan Control - Preset

from

$46.99
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:
  • Preset thermostatic fan control
  • 185 Deg. F preset
  • 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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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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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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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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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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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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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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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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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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Engine Cooling Parts Brands You Can Trust For Your BMW 645Ci

12 trusted brands of Engine Cooling Parts line our shelves, ready to help keep your BMW 645Ci running smooth. Below are some of the most popular brands and their top Engine Cooling Parts offerings:

Popular Driveworks Water Pumps Engine Cooling Parts

Driveworks Water Pumps products for the BMW 645Ci span several categories. Some of the highest-rated Driveworks Water Pumps Engine Cooling Parts that will fit your BMW 645Ci are:
Water Pump
from $145.99
(1)
Water Pump
Water Pumps

Most Purchased BMW 645Ci Engine Cooling Parts from Imperial

When you buy the most frequently purchased Imperial brand Engine Cooling Parts, you can be confident it will be the right part for your BMW 645Ci. Here are the Imperial Engine Cooling Parts Advanced Auto customers buy the most:
Adjustable Thermostatic Fan Control
from $65.99
(33)
Adjustable Thermostatic Fan Control
Engine Cooling Fan Controllers
Electric Fan, 14" Diameter
from $99.99
(14)
Electric Fan, 14" Diameter
Radiator Fan Motors

FAQs for BMW 645Ci Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the BMW 645Ci?

Out of 30 Engine Cooling Parts for the BMW 645Ci, the most popular in our inventory are:
Thermostatic Fan Control - Preset
from $46.99
(8)
Thermostatic Fan Control – Preset
Engine Cooling Fan Controllers
Radiator Cap: 30 PSI
from $30.99
This product is not rated
Radiator Cap: 30 PSI
Coolant Reservoir Caps

What are the top-rated BMW 645Ci Engine Cooling Parts?

Top-rated Engine Cooling Parts for your BMW 645Ci based on customer reviews/ratings are:
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.”
Integrated Thermostat Housing: With Sensor, With Seal, 221 Degrees
from $84.99
(2)
Integrated Thermostat Housing: With Sensor, With Seal, 221 Degrees
“Hard to find this product in the area and with $15 online discount. Glad they had it in stock. Also, free delivery to my house.”
Thermostatic Fan Control - Adjustable
from $69.99
(2)
Thermostatic Fan Control – Adjustable
“Need to find brass bushings to fit sensor to intake.Very easy to install!”