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 59 Engine Cooling Parts from top brands with prices ranging from $2.58 to $834.45.

Beyond great prices, we stock trusted brands manufacturing all types of Engine Cooling Parts for your BMW 645Ci. Of the 26 OEM and aftermarket parts brands we carry, some of the most popular are Permatex, Imperial, and Dorman.

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

Vemo – Coolant Level Sensor (Part No.G1050226145VMO)

Coolant Level Sensor

from

$16.58
Coolant Level Sensor

Behr – Radiator (Part No.G1000311238BEH)

Radiator

from

$327.82
Aluminum Core Radiator The Behr replacement radiator guarantees the same quality fit and performance as the OE radiator it replaces. The Behr radiator core is manufactured using high quality anti corrosive aluminum and fiber glass-reinforced polyamide coolant tanks that are highly resistant to cracking and deformation.

Product Features:
  • OE-Equivalent
  • Direct fit for easy installation.
  • High quality corrosion resistant materials.
  • OE Style mounting brackets and hose connections.
  • Mechanically bonded aluminum core.
  • Integrated transmission oil cooler when applicable.
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Behr – Radiator Drain Plug (Part No.G106034117BEH)

Radiator Drain Plug

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$6.23
Radiator Drain Plug

Mahle – AT Oil Cooler Thermo (Part No.J2041406131MAH)

AT Oil Cooler Thermo

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$125.59
AT Oil Cooler Thermo

Permatex – The Right Stuff: 1 Minute Gasket Maker: Grey, 3 OZ (Part No.25238)

The Right Stuff: 1 Minute Gasket Maker: Grey, 3 OZ

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$19.99
Permatex’s The Right Stuff 1 Minute Series offers the fastest return to service in just 1 minute! This leak-proof, elastomeric “Formed-in-place” material is more reliable and longer lasting than pre-cut gaskets. It is blowout resistant and protects against leaks and seepage caused by vibration and thermal expansion. The Right Stuff 1 Minute Grey is specified for high torque and high vibration applications and is formulated to meet or exceed performance standards for long-term sealability, durability and handling.

Product Features:
  • Designed to perform under higher torque loads associated with engines having closely spaced bolt patterns
  • Sensor-safe, non-corrosive, RTV silicone
  • Protects against leaks caused by vibration and thermal expansion
  • Meets performance specs of OE silicone gaskets
  • Quickly returns vehicle to service in just 1 minute
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Victor Reinz – Engine Water Pump Gasket (Part No.71-17659-00)

Engine Water Pump Gasket

from

$26.49
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

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$109.99
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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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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Imperial – Electric Fan – 14" Diameter (Part No.226114)

Electric Fan - 14" Diameter

from

$99.99
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.
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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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Permatex – Ultra Grey RTV Silicone Gasket Maker, 13 OZ (Part No.82195)

Ultra Grey RTV Silicone Gasket Maker, 13 OZ

from

$26.99
Permatex Ultra Grey is specified for high torque and high vibration applications. Ultra Grey offers a sensor-safe, low odor, non-corrosive formula and is OEM specified to fit dealership warranty requirements. This high performance gasket maker meets performance specs of OE silicone gaskets and can be used on high torque and vibration applications such as valve covers, water pump, intake manifold end seals ad thermostat housings.

Product Features:
  • High torque and rigidity
  • Sensor-safe, non-corrosive formula
  • OEM specified
  • Low-odor, non-corrosive formula
  • Ideal for closed spaced bolt patterns
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Febi – Coolant End Cover (Part No.A1225439133FEB)

Coolant End Cover

from

$86.33
Coolant End Cover

Febi – Water Pump Pulley (Part No.G3020278027FEB)

Water Pump Pulley

from

$46.51
Water Pump Pulley

Original Equipment – Engine Cooling Auxiliary Thermo-Fan Switch (Part No.G5030151345OEA)

Engine Cooling Auxiliary Thermo-Fan Switch

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$34.67
The Original Equipment Engine Cooling Thermo-Fan Switch is an ideal high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium Original Equipment replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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Imperial – Thermostatic Fan Control – Adjustable (Part No.226208)

Thermostatic Fan Control - Adjustable

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$62.99
Controls the operating temperature of Imperial electric fans. Operates up to 2 fans.

Product Features:
  • Adjustable thermostatic fan control
  • 160°F – 210°F thread-in probe
  • For use with Imperial electric fans
  • Thread-in probe for installation in water jacket or radiator
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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

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$84.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. This integrated thermostat housing 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 as well as the design and function of the housing. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
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VDO – Auxiliary Fan Assemb (Part No.G5000251669VDO)

Auxiliary Fan Assemb

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$670.71
Auxiliary Fan Assemb

Rein – Radiator Mount Brack (Part No.G1021946388RIN)

Radiator Mount Brack

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$79.28
Radiator Mount Brack

Rein – Water Hose (Part No.CHE0481)

Water Hose

from

$17.99
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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Victor Reinz – Engine Coolant Pipe O-Ring (Part No.41-10452-00)

Engine Coolant Pipe O-Ring

from

$5.49
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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Carquest Premium – Coolant Temperature Sensor with O-Ring (Part No.WTC1038)

Coolant Temperature Sensor with O-Ring

from

$26.99
Approved materials for increased durability in even the most extreme temperatures. All MotoRad Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
  • Brass sensor housing precision machined to meet or exceed OE thermal conductivity
  • OE precision matched thermistor position for correct output parameters
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
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Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T2283)

Engine Water Pump: New, Gasket/Seals Included

from

$289.99
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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APA/URO Parts – ABS Modulator Insula (Part No.N6055823595APA)

ABS Modulator Insula

from

$2.58
ABS Modulator Insula

Carquest Premium – Coolant Reservoir Cap: T65, Threaded, Direct Fit, Provides Tight Seal, 1 Pack (Part No.T65)

Coolant Reservoir Cap: T65, Threaded, Direct Fit, Provides Tight Seal, 1 Pack

from

$30.49
Coolant Reservoir Cap: T65, Threaded, Direct Fit, Provides Tight Seal, 1 Pack

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

Cap-Expansion Tank

from

$21.99
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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Engine Cooling Parts Brands You Can Trust For Your BMW 645Ci

26 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 Permatex

When you buy the most frequently purchased Permatex brand Engine Cooling Parts, you can be confident it will be the right part for your BMW 645Ci. Here are the Permatex Engine Cooling Parts Advanced Auto customers buy the most:
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
from $6.99
(288)
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
Water Pump Gaskets
Adjustable Thermostatic Fan Control
from $55.99
(33)
Adjustable Thermostatic Fan Control
Engine Cooling Fan Controllers
Electric Fan - 14" Diameter
from $99.99
(14)
Electric Fan – 14" Diameter
Engine Cooling Fans

FAQs for BMW 645Ci Engine Cooling Parts

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

Out of 59 Engine Cooling Parts for the BMW 645Ci, the most popular in our inventory are:
Adjustable Thermostatic Fan Control
from $22.99
(35)
Adjustable Thermostatic Fan Control
Engine Cooling Fan Controllers
Adjustable Thermostatic Fan Control
from $55.99
(33)
Adjustable Thermostatic Fan Control
Engine Cooling Fan Controllers
Electric Fan - 14" Diameter
from $99.99
(14)
Electric Fan – 14" Diameter
Engine Cooling Fans

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:
Thermostatic Fan Control - Preset
from $38.49
(8)
Thermostatic Fan Control – Preset
“great value. easy to use”
Pressurized Coolant Reservoir: Black, Plastic, Original Equipment Replacement
from $109.99
(5)
Pressurized Coolant Reservoir: Black, Plastic, Original Equipment Replacement
“Great having this is stock 15 minutes from home. Perfect match and a good price.”
Thermostat Housing Seal
from $3.49
(3)
Thermostat Housing Seal
“Part installed easily and fit/functions well. No more noise from the front end.”