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 107 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.

Essential BMW 525i Engine Cooling Parts

Beck/Arnley – Thermostat (Part No.143-0825)

Thermostat

from

$126.99
Beck/Arnley parts meet foreign nameplate OE specifications for form, fit and function. Our product specialists work with a network of global sourcing partners so you can install the right part with confidence.

Product Features:
  • Matches OE form, fit and function
  • Premium materials to withstand extreme temperatures and long stroke for maximum cooling
  • Quality construction for durability
  • Be sure to use the proper coolant to maximize cooling system components. See Beck/Arnley catalog for the coolant for this application.
  • Application specific for this vehicle
See More

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
See More

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
See More

APA/URO Parts – Water Pipe (Part No.G2025947517APA)

Water Pipe

from

$94.54
Water Pipe

Victor Reinz – Engine Coolant Outlet Gasket (Part No.71-39406-00)

Engine Coolant Outlet Gasket

from

$21.99
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.
See More

KAI – Coolant Reservoir (Part No.BM3014103)

Coolant Reservoir

from

$57.99
New Platinum Pro Coolant Recovery Tank

Product Features:
  • 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
See More

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.
See More

Imperial – Adjustable Thermostatic Fan Control (Part No.226204)

Adjustable Thermostatic Fan Control

from

$65.99
Adjustable Thermostatic Fan Control. 160-210°F; push-in probe. Controls the operating temperature of Imperial electric fans. Operates up to 2 fans.

Product Features:
  • Adjustable thermostatic fan control
  • 160-210°F push-in probe
  • For use with Imperial electric fans
  • Probe installs into radiator fins
See More

Dorman – Coolant Air Bleeder Screw (Part No.902-404)

Coolant Air Bleeder Screw

from

$14.99
This engine coolant bleeder screw has been manufactured from durable material to prevent cooling system leaks. Matches the original screw for fit and function.

Product Features:
  • Ideal replacement – this engine coolant bleeder screw matches fit and function of the original equipment screw
  • Durable materials – designed to withstand high cooling system temperatures and pressures
  • Cost-effective solution – this bleeder screw offers original equipment quality at a competitive price
  • Quality tested – this part has undergone try-on and material testing to ensure a quality fit and long service life
See More

Dorman – Auxiliary Coolant Pump (Part No.902-072)

Auxiliary Coolant Pump

from

$183.99
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
See More

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
See More

Carquest Premium – Engine Cooling Fan Switch (Part No.ACA1623)

Engine Cooling Fan Switch

from

$40.99
Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The Engine Cooling Fan Switch regulates the operation of the cooling fan based on engine temperature, preventing overheating and ensuring optimal engine performance by maintaining a safe operating temperature. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.

Product Features:
  • Durable Construction: Designed with high-quality materials to withstand harsh environmental conditions, ensuring long-lasting performance in extreme temperatures, vibrations, and moisture exposure.
  • Precision Engineering: Accurate sensing and switching capabilities provide reliable performance, reducing the risk of malfunctions and improving vehicle safety and efficiency.
  • Easy Installation & Maintenance: Designed for quick installation and minimal upkeep, reducing downtime and repair costs for both manufacturers and consumers.
  • Fit/Form/Function: Each vehicle electronic component is engineered to meet or surpass OEM standards, ensuring precise fit, optimal functionality, and reliable performance.
See More

Carquest Premium – Standard Duty Fan Clutch – Thermal 6" Import/Compact (Part No.215024)

Standard Duty Fan Clutch - Thermal 6" Import/Compact

from

$176.99
Product Features:
  • Designed, tested, and built by application
  • OE performance, fit, and appearance
  • Precision machined
  • Out of box installation
See More

Rein – Coolant Pipe (Part No.CHP0567)

Coolant Pipe

from

$57.99
Rein Automotive OE quality coolant pipes fit European vehicles the way the original manufacturer intended. Designed to be a direct replacements for the OE coolant, Rein coolant pipes are identical to the OEM.

Product Features:
  • Designed as direct-fit replacements to ensure trouble-free proper installation.
  • Made to strict engineering quality standards.
  • Part is produced using only the highest quality materials.
  • Resistant to heat, salt, road debris, oil and other contaminants.
See More

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.
See More

Rein – Thermostat Insert 88C (Part No.CTN0045)

Thermostat Insert 88C

from

$26.99
Rein Automotive OE quality thermostat inserts install, fit and perform the way the original manufacturer intended. This ensures a smooth and easy installation, just as one would expect to find with OE quality. These inserts are designed to meet or exceed the OE materials used. 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 inserts aim to provide the profession repair technician and vehicle owner peace of mind and trust that is expected from an OE quality component.

Product Features:
  • Matches original equipment design specifications
  • All gaskets or seals necessary for installation are supplied with thermostats
  • Manufactured to strict engineering standards/specifications in materials and tolerances
  • Thermostat set to 88 degrees Celsius to maintain optimal running temperature
See More

Dorman – Coolant Housing/Water Outlet: with Housing (Part No.902-5121)

Coolant Housing/Water Outlet: with Housing

from

$18.99
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
See More

Dorman – Engine Water Pump Pulley (Part No.300-394)

Engine Water Pump Pulley

from

$56.99
Damaged your engine water pump pulley? This pulley is a direct replacement for the original manufacturer’s part on specific vehicle years, makes and models, restoring proper performance.

Product Features:
  • Direct replacement – this engine water pump pulley matches the fit and function of the original part on specific vehicles
  • Durable design – built to withstand the elements and road debris
  • Thoroughly tested – must pass strict standards to ensure reliable longevity
  • Trustworthy quality – backed by team of engineers and inspectors in United States
See More

Beck/Arnley – New Water Pump (Part No.131-2130)

New Water Pump

from

$82.99
Beck/Arnley parts meet foreign nameplate OE specifications for form, fit and function. Our product specialists work with a network of global sourcing partners so you can install the right part with confidence.

Product Features:
  • Matches OE form, fit and function
  • Heavy duty bearings, sealed and lubed for life
  • Includes all necessary gaskets and seals needed for a complete installation
  • Where applicable, metal and resin impellers are offered. See catalog to match pump to this vehicle
  • Be sure to use the proper coolant to maximize cooling system components. See Beck/Arnley catalog for the coolant for this application.
See More

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
See More

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
See More

Felpro – Multi-Purpose O-Ring (Part No.35763)

Multi-Purpose O-Ring

from

$4.49
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 to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
See More

Carquest Premium – Radiator (Part No.812942)

Radiator

from

$384.99
Carquest Premium radiators are designed and engineered for maximum performance, using the highest-grade materials to ensure all radiators meet or exceed original equipment (O.E.) fit, form and function. Carquest Premium radiators are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Most modern vehicles use radiators with plastic tanks and our parts are engineered with integrated ribbing to prevent damage during thermal cycling. Carquest Premium radiators are also 100% tested to ensure a durable, leak-free cooling system repair.

Product Features:
  • Thermal tested under real-life temperature simulations
  • High tensile strength aluminum for maximum crimp strength
  • Plastic tanks are engineeredáwith integrated ribbingáfor addedástrength to withstand cracks, bowing and distortion during thermal cycles
  • Thermal expansion slots extend core life and reduce failure rates by allowing improved core expansion and contraction during systematic heat cycles
See More

MAHLE Original – Engine Coolant Thermostat Housing Gasket (Part No.C31633)

Engine Coolant Thermostat Housing Gasket

from

$2.49
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
See More

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.
See More

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
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 107 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
Engine Cooling Fans

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
“Metal impeller. Fits nicely. No trouble with installation and good price for brand name part.”
Radiator Cap: 30 PSI
from $25.99
(14)
Radiator Cap: 30 PSI
“Fit my 2004 BMW 330xi. Came as described.”
Electric Fan, 14" Diameter
from $99.99
(14)
Electric Fan, 14" Diameter
“Fit fine. Easy install. Cools the car.”