BMW 525i Engine Cooling Parts

Your One-Stop Shop For Trusted BMW 525i Engine Cooling Parts

If you’re in search of BMW 525i Engine Cooling Parts aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 104 Engine Cooling Parts from top brands with prices ranging from $1.99 to $966.99.

Beyond great prices, we stock trusted brands manufacturing all types of Engine Cooling Parts for your BMW 525i.

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 525i Engine Cooling Parts below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Please Select your Vehicle to See Exact Fit Parts

Essential BMW 525i Engine Cooling Parts

Victor Reinz – Engine Coolant Thermostat Housing Seal (Part No.41-76149-00)

Engine Coolant Thermostat Housing Seal

from

$4.29
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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Rein – Water Pump Pulley Kit (Part No.PKW0001)

Water Pump Pulley Kit

from

$60.99
Aluminum pulley to replace OE plastic pulley that is known to crack after many years of service. Since the belt usually wears much faster when the rim of the pulleys is getting damaged, we are offering these pulleys as a complete kit. These Kits contain: main accessory drive belt, the aluminum replacement pulley as well as the hardware to mount the pulley to the water pump.

Product Features:
  • Aluminum pulley has superior durability over the OE plastic pulley.
  • Light weight design.
  • Upgrade maintains OE fit form and function.
  • Kit includes belt and water pump bolts.
  • We recommend the installation of this kit with Rein WPR0004 water pump.
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Carquest Premium – Engine Water Pump_New (Part No.T2320)

Engine Water Pump_New

from

$664.99
This premium water pump uses new high-quality components and is designed to meet or exceed OE specifications. This pump is 100% tested to ensure quality. Bearings, gaskets, seals, impeller, hub and housing are all designed for long-lasting service life. All necessary gaskets and seals are included.

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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Victor Reinz – Engine Coolant Thermostat Gasket (Part No.71-33071-00)

Engine Coolant Thermostat Gasket

from

$15.49
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 Housing/Water Outlet: With Gasket (Part No.CH5541)

Coolant Housing/Water Outlet: With Gasket

from

$26.99
Carquest Premium Coolant Housings are manufactured with OEM quality materials and safety standards by an OE Supplier. This 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. The construction of this housing is improved over the OE design to fix and update any issues that the OE design may have had.

Product Features:


    Product Features:
    • Easy, one step fit and installation
    • No special tools required
    • Meets or exceeds all OEM standards
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URO Parts – Radiator Fan Switch, Mounts in radiator (Part No.61311378073)

Radiator Fan Switch, Mounts in radiator

from

$15.99
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 ¿Genuine¿ 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.

Product Features:
  • Guaranteed fitment
  • Direct-fit OE replacement design restores factory cooling fan switch function
  • Easy plug-and-play connection
  • Manufactured using high-quality materials to withstand intense engine compartment and cooling system heat
  • Alloy conductors minimize electrical resistance for accurate operation
  • Designed and tested for reliability and long life
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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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MAHLE Original – Engine Coolant Pipe O-Ring (Part No.C32348)

Engine Coolant Pipe O-Ring

from

$1.99
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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URO Parts – Coolant Tank Bleeder Screw, Made from durable brass instead of plastic like the OEM (Part No.17111712788PRM)

Coolant Tank Bleeder Screw, Made from durable brass instead of plastic like the OEM

from

$2.99
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 ¿Genuine¿ 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.

Product Features:
  • Made from durable brass instead of plastic like the OEM
  • Plastic tends to try out and break
  • Stronger material reduces chance of stripping the head during removal
  • Guaranteed fitment
  • Replacement of leaking recovery tank bleeder screw instantly restores cooling system integrity
  • Durable materials and stout design matches OE to resist hot pressurized coolant
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Felpro – Engine Water Pump Gasket (Part No.35326)

Engine Water Pump Gasket

from

$3.99
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.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
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URO Parts – Water Pipe, HD aluminum version vs plastic OEM; w/ o-rings (Part No.11537502525PRM)

Water Pipe, HD aluminum version vs plastic OEM; w/ o-rings

from

$54.99
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 ¿Genuine¿ 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.

Product Features:
  • Includes O-rings
  • Upgrades the failure-prone OE plastic pipe to aircraft-quality aluminum
  • Guaranteed fitment
  • Coolant pipe is manufactured to OE dimensions for easy installation and reliable hose connections
  • High-strength alloy or composite pipe material is designed to withstand intense engine heat and corrosive coolant
  • Resists warping and cracking that can lead to coolant leakage
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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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Carquest Premium – Multi-Purpose Relay (Part No.RAA1881)

Multi-Purpose Relay

from

$79.99
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.

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.
  • Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
  • 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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Bosch – Temperature Sensor (Part No.0280130026)

Temperature Sensor

from

$37.99
Bosch OE quality temperature sensors for accurate measurements with high durability, fast response time and wide measuring range.

Product Features:
  • Bosch OE quality temperature sensors for accurate measurements
  • Bosch OE quality temperature sensors with high durability against operating materials
  • Fast response time with Bosch OE quality temperature sensors
  • Bosch OE quality pressure sensors with improved media resistance
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Carquest Premium – Engine Coolant Level Sensor (Part No.FFA1122)

Engine Coolant Level Sensor

from

$155.99
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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US MOTOR WORKS – Water Pump with Fan Clutch (Part No.MCK1094)

Water Pump with Fan Clutch

from

$151.99
US Motor Works Professional Series Water Pump with Fan Clutch are designed to replace the mechanical components of a cooling system. A proper water pump replacement should include a new fan clutch as the two are connected to the same shaft and work together to move the air and cooling fluid. Replacing one without the other can damage the new part and cause repeat work or engine trouble. This matched set will allow your vehicle continued operation in the demanding environment of today’s engine. All components are brand new and QA inspected for perfect fit and function. Restore your cooling power by installing a US Motor Works Professional Series Water Pump with Fan Clutch.

Product Features:
  • Fan clutch mounts to the water pump and should be replaced at the same time.
  • Matched set for proper water pump or fan clutch replacement
  • Includes mounting hardware, gaskets and accessories as required.
  • Complete mechanical cooling parts replacement
  • Factory tested and 100% new product
  • Meets or exceeds OEM quality
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Carquest Premium – Universal Fan Clutch – 5" Thermal Import/Compact (Part No.215014)

Universal Fan Clutch - 5" Thermal Import/Compact

from

$127.99
Advance Auto Parts is proud to carry comparable exact-fit parts from multiple vendors, as such, the item you receive may be one of two quality brands. Both brands meet the same fitment requirements and are equal in their performance and specifications. The fan clutch is the component of the cooling system that varies the fan speed to meet the cooling needs of the engine. The fan clutch provides high airflow volume and, by only operating the fan as needed, promotes good fuel economy. Carquest fan clutches are designed to meet OE performance specifications.

Product Features:
  • Designed, tested, and built by application
  • OE performance, fit, and appearance
  • Precision machined
  • Out of box installation
  • Designed, tested, and built by application
  • OE performance, fit, and appearance
  • Precision machined
  • Out of box installation
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Dorman – Radiator Fan Assembly: Single, with Controller, Cost Effective and Reliable (Part No.621-190)

Radiator Fan Assembly: Single, with Controller, Cost Effective and Reliable

from

$772.99
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.

Product Features:
  • Ideal replacement – this engine cooling fan assembly was precision-engineered to match the fit and performance of the stock radiator fan assembly on specific vehicles
  • Complete package – assembly is designed with the same materials and components as the original part
  • Quality assured – motors are tested in laboratory settings to ensure performance
  • Cost effective and reliable – trustworthy manufacturing for far less than same part at the dealership
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Rein – Aluminum Bolt Kit (Part No.HWK0005)

Aluminum Bolt Kit

from

$8.99
Rein OE quality bolts kits fit European vehicles the way the original manufacturer intended. Designed to be direct replacements for the original bolts are identical to OEM. Supplied with all the necessary bolts and torque specs to ensure that the job is done right.

Product Features:
  • Includes all the bolts needed to complete the job.
  • Comes with torque specs to make sure each bolt is properly tighten
  • Manufactured to strict engineering standards/specifications in materials and tolerances
  • Aluminum bolts are torque to yield and must be replaced once they are released.
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URO Parts – Cooling Fan Blade (Part No.11521712058)

Cooling Fan Blade

from

$18.99
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 ¿Genuine¿ 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.

Product Features:
  • Guaranteed fitment
  • Replace your cracked or aging fan blade before flying pieces destroy your radiator or other expensive engine components
  • Manufactured to OE fan blade dimensions for proper clearances and efficiency
  • Easy bolt-on installation instantly restores proper cooling fan performance
  • High-quality materials withstand brutal engine heat and vibration
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Victor Reinz – Engine Coolant Thermostat Housing Gasket (Part No.71-17536-00)

Engine Coolant Thermostat Housing Gasket

from

$6.29
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.
  • Application specific design provides an exceptional fit.
  • Validated for fit, form, and function.
  • Meets or exceeds original equipment specifications.
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Rein – Thermostat Assembly 97C (Part No.CTA0033)

Thermostat Assembly 97C

from

$97.99
Rein Automotive OE quality thermostat assemblies install, fit and perform the way the original manufacturer intended. These assemblies are designed to meet or exceed the OE materials used. Rein thermostat housings are constructed of metal or plastic based on vehicle specific factory requirements. The housings are constructed from molds cast directly from the OEM parts to meet the strict tolerances of the vehicle’s factory specifications. This ensures a smooth and easy installation, just as one would expect to find with OE quality. Rein thermostats are produced with high-quality metals and components to ensure proper durability and service life. The thermostats are temperature calibrated to have a consistent and precise response suiting cooling system needs. Our quality thermostat assemblies aim to provide the profession repair technician and vehicle owner the peace of mind and trust that is expected from an OE quality component.

Product Features:
  • Matches original equipment design specifications
  • Direct fitments allows easy installation
  • Manufactured to strict engineering standards/specifications in materials and tolerances
  • Thermostat set to 97 degrees Celsius to maintain optimal running temperature
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Motorad – Integrated Thermostat Housing: With Sensor, 207 Degrees (Part No.568-207)

Integrated Thermostat Housing: With Sensor, 207 Degrees

from

$141.99
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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Imperial – Electric Fan, 12" Diameter (Part No.226112)

Electric Fan, 12" Diameter

from

$108.99
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:
  • Rapid-Cool Thin-Line electric fans
  • 12″ Diameter
  • 800 CFM
  • Use as a pusher or puller fan
  • Motors built and tested to quality specifications
  • 12 in. universal fit reversible fan
  • 800 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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Engine Cooling Parts Brands You Can Trust For Your BMW 525i

16 trusted brands of Engine Cooling Parts line our shelves, ready to help keep your BMW 525i running smooth. Below are some of the most popular brands and their top Engine Cooling Parts offerings:

Popular MAHLE Original Engine Cooling Parts

MAHLE Original products for the BMW 525i span several categories. Some of the highest-rated MAHLE Original Engine Cooling Parts that will fit your BMW 525i are:
Engine Coolant Thermostat Housing Gasket
from $2.49
(1)
Engine Coolant Thermostat Housing Gasket
Thermostat Housing Gaskets

Most Purchased BMW 525i Engine Cooling Parts from Carquest Premium

When you buy the most frequently purchased Carquest Premium brand Engine Cooling Parts, you can be confident it will be the right part for your BMW 525i. Here are the Carquest Premium Engine Cooling Parts Advanced Auto customers buy the most:
Engine Water Pump: New, Gasket/Seals Included
from $74.99
(32)
Engine Water Pump: New, Gasket/Seals Included
Water Pumps
Engine Water Pump_New
from $664.99
(4)
Engine Water Pump_New
Water Pumps
Electric Fan, 12" Diameter
from $108.99
(38)
Electric Fan, 12" Diameter
Radiator Fan Motors

FAQs for BMW 525i Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the BMW 525i?

Out of 104 Engine Cooling Parts for the BMW 525i, the most popular in our inventory are:
Engine Water Pump: New, Gasket/Seals Included
from $74.99
(32)
Engine Water Pump: New, Gasket/Seals Included
Water Pumps
Integrated Thermostat Housing: With Sensor, With Seal, 207 Degrees
from $83.99
(47)
Integrated Thermostat Housing: With Sensor, With Seal, 207 Degrees
Thermostat and Water Outlet Assemblies
Electric Fan, 10" Diameter
from $72.99
(14)
Electric Fan, 10" Diameter
Radiator Fan Motors

What are the top-rated BMW 525i Engine Cooling Parts?

Top-rated Engine Cooling Parts for your BMW 525i based on customer reviews/ratings are:
New Water Pump
from $82.99
(18)
New Water Pump
“Working like it should.”
Radiator Cap: 30 PSI
from $25.99
(14)
Radiator Cap: 30 PSI
“Work well”
Electric Fan, 14" Diameter
from $99.99
(14)
Electric Fan, 14" Diameter
“Fit fine. Easy install. Cools the car.”