2003 BMW 525i Engine Cooling Parts

Essential 2003 BMW 525i Engine Cooling Parts

Wahler – Wahler Thermostat (Part No.G4000668747WAH)

Wahler Thermostat

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$39.70
Wahler is a provider of premium quality thermostats and thermo-switches in OE quality. The varying applications and divergent technologies of the internal combustion engine call for thermostats featuring different operating characteristics and modes of operation. Therefore Wahler provides thermostats with a highly accurate coolant control.

Product Features:
  • Strict quality control, and functional testing
  • Self-cleaning and self-aligning thermostat valve
  • Original equipment design provides exact fit and performance
  • Precise sealing edges reduce leakage and premature cooling
  • Temperature sensitive heat motor provides consistent valve response for smooth performance and precise engine cooling
  • Stainless steel assembly and springs are engineered for long life
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Permatex – Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ (Part No.22071)

Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ

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$6.99
Permatex Water Pump & Thermostat RTV Silicone Gasket Maker is a noncorrosive, sensor-safe RTV silicone gasket material formulated for water pumps and thermostat housings. Permatex Water Pump & Thermostat has the highest water-glycol resistance available in an RTV silicone.

Product Features:
  • Sensor-safe, noncorrosive RTV silicone gasket material
  • Formulated specifically for water pumps and thermostat housings
  • Highest water-glycol resistance available in RTV silicone
  • Superior adhesion and flexibility
  • Can be used as a gasket maker or dressing
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Victor Reinz – Engine Coolant Outlet Gasket (Part No.71-39406-00)

Engine Coolant Outlet Gasket

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$21.79
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 – Brass Coolant Air Bleeder Screw (Part No.902-404HP)

Brass Coolant Air Bleeder Screw

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$8.79
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:
  • Upgraded material – this brass coolant air bleeder screw reduces future maintenance costs by replacing the original equipment plastic screw on specified BMW, Mini, Chrysler, Dodge, Jeep, and Ram vehicles.
  • Ideal solution – instead of wasting time wrestling with a deformed plastic screw head, this sturdy brass screw ensures easy, reliable removal and reuse.
  • Durable construction – made of quality brass for reliable performance and long service life
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Carquest Premium – Engine Electric Water Pump: New, Aluminum Housing (Part No.T2320)

Engine Electric Water Pump: New, Aluminum Housing

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$439.99
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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Elring – Engine Coolant Thermostat Housing Gasket (Part No.G4020267710ELR)

Engine Coolant Thermostat Housing Gasket

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$10.20
The Elring Engine Coolant Thermostat Housing Gasket is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Seals the thermostat housing and helps prevent coolant from leaking from the engine for proper engine temperature
  • Premium Original Equipment replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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Carquest Premium – Engine Coolant Level Sensor (Part No.FFA1123)

Engine Coolant Level Sensor

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$45.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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KAI – Coolant Reservoir (Part No.BM3014101)

Coolant Reservoir

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$83.99
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
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Imperial – Adjustable Thermostatic Fan Control (Part No.226204)

Adjustable Thermostatic Fan Control

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$55.99
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
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Felpro – Engine Water Pump Gasket (Part No.35326)

Engine Water Pump Gasket

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$3.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

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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Vemo – Water Temperature Se (Part No.P4036339106VMO)

Water Temperature Se

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$59.66
Water Temperature Se

Victor Reinz – Engine Water Pump Housing O-Ring (Part No.41-10453-00)

Engine Water Pump Housing O-Ring

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$3.49
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 – Engine Coolant Reservoir Cap (Part No.10246)

Engine Coolant Reservoir Cap

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$21.99
Manufactured to meet all OEM specifications. Designed to be easy to install and remove. Manufactured from high quality components with proper relief and vacuum valves. Quality tested to stand up to even the most demanding automotive cooling systems.

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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Permatex – The Right Stuff: Grey, 1 Minute Gasket Maker, 10 OZ (Part No.34310)

The Right Stuff: Grey, 1 Minute Gasket Maker, 10 OZ

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$38.99
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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APA/URO Parts – Water Pipe (Part No.G2025947517APA)

Water Pipe

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$87.18
Water Pipe

Corteco – Water Pipe O-Ring (Part No.G2026279597CFW)

Water Pipe O-Ring

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$1.51
Water Pipe O-Ring

Carquest Premium – New Auxiliary Water Pump (Part No.T1315)

New Auxiliary Water Pump

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$456.99
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:
  • Electric water pump
  • Specialized for vehicles using supplemented cooling for the engine or components
  • Plastic housing
  • All components necessary for installation are supplied with pump
  • Follow all enclosed instructions to maximize pump life and validate warranty
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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

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$6.99
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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Felpro – THERMOSTAT GASKET (Part No.36056)

THERMOSTAT GASKET

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$7.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

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
  • Validated for fit, form, and function
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APA/URO Parts – Water Pump Pulley, Aluminum (Part No.G302092619APA)

Water Pump Pulley, Aluminum

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$71.23
Water Pump Pulley, Aluminum

APA/URO Parts – Radiator Mount (Part No.G1020426888APA)

Radiator Mount

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$12.43
Radiator Mount

Vaico – Rivet, Plastic Spread Rivet (Part No.Q2001400703VCO)

Rivet, Plastic Spread Rivet

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$1.61
Rivet, Plastic Spread Rivet

Delphi – Engine Coolant Temperature Sensor (Part No.TS10270)

Engine Coolant Temperature Sensor

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$25.99
Delphi temperature sensors are built with the latest OE technology; Delphi temperature sensors use durable, one-piece design; Delphi temperature sensors are impervious to electrical noise and interference.

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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Nissens – Radiator (Part No.G100089198NSS)

Radiator

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$330.80
Plastic Tank / Aluminum Core Radiator The Nissens Radiator flat tube and double folded fin design offers a significantly better cooling capacity and provides a stronger exterior resisting impacts from stones. This advanced design helps to prevent damage which would negatively affect the cooling capacity and engine performance.

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • OE Style mounting brackets and hose connections.
  • Integrated transmission oil cooler when applicable.
  • Compact and lightweight.
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Elring – Water Pump O-Ring (Part No.G3059279771ELR)

Water Pump O-Ring

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$4.11
Water Pump O-Ring

APA/URO Parts – Radiator Mount (Part No.G102075950APA)

Radiator Mount

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$2.93
Radiator Mount

Dorman – OE Solutions Auxiliary Cooling Fan Assembly (Part No.G5000700216DOR)

OE Solutions Auxiliary Cooling Fan Assembly

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$935.88
Save time, money and labor with Dorman’s Engine Cooling Fan Assembly. It comes ready to install with the motor, shroud, and blade. Plus, the high fiberglass content offers extra strength and rigidity while improving thermal stability.

Product Features:
  • Optimal air flow prevents vehicle from overheating
  • Plug and Play jumper harnesses included (where applicable)
  • Direct replacement for a proper fit every time
  • All motors are tested prior to final packaging of fan assembly
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Dorman – Clutch Fan Blade: Plastic, Cost Effective And Reliable (Part No.621-584)

Clutch Fan Blade: Plastic, Cost Effective And Reliable

from

$75.99
Replace your damaged cooling fan blade with this direct replacement. This vehicle-specific application is engineered for a perfect fit and is made from quality materials to ensure durability and restore proper cooling system operation.

Product Features:
  • Direct replacement – this engine cooling fan blade fits and functions like the original equipment fan blade.
  • Quality construction – manufactured from premium materials for a long service life.
  • Excellent value – original equipment quality at a lower price
  • Quality tested – has undergone testing to ensure proper fit and performance
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2003 BMW 525i Engine Cooling Parts

Maybe you’re in the middle of a full rebuild of that 2003 BMW 525i. Maybe you just need a couple of Engine Cooling Parts. Either way, Advance Auto Parts has 82 different Engine Cooling Parts in our inventory ranging from $1.49 to $456.99. That means you can find the exact parts or products you need to keep that 2003 BMW 525i running smoothly.

Engine Cooling Parts are only as good as their brand. We stock 33 different brands to make sure you have plenty of trusted parts to choose from for your 2003 BMW 525i. Permatex, Carquest Premium, and Imperial are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Engine Cooling Parts for your 2003 BMW 525i, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,002 reviews in this category, some of the top rated parts include Adjustable Thermostatic Fan Control with 3.4 stars and Radiator Cap: 30 PSI with 4.1 stars.

So if you’re in the market for aftermarket Engine Cooling Parts to keep your 2003 BMW 525i rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Engine Cooling Parts Brands To Make Your 2003 BMW 525i Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 BMW 525i demands trusted brand parts and products to keep it running. Many trusted brands of Engine Cooling Parts make up Advance Auto Parts’ inventory, and all are ready to help make your 525i the best it can be. Be sure to browse some of our top Engine Cooling Parts brands and parts.

Popular Behr Engine Cooling Parts

We carry Behr parts in our stock across Radiators categories, plus more. For a 2003 BMW 525i, our most popular Behr Engine Cooling Parts include:
Radiator
from $292.16
(1)
Radiator
Radiators

FAQs for 2003 BMW 525i Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the 2003 BMW 525i?

Out of 82 Engine Cooling Parts for the 2003 BMW 525i, the most popular in our inventory are:
Engine Water Pump: New, Gasket/Seals Included
from $78.99
(32)
Engine Water Pump: New, Gasket/Seals Included
Water Pumps
Integrated Thermostat Housing: With Sensor, With Seal, 207 Degrees
from $73.99
(47)
Integrated Thermostat Housing: With Sensor, With Seal, 207 Degrees
Thermostat and Water Outlet Assemblies
Adjustable Thermostatic Fan Control
from $22.99
(35)
Adjustable Thermostatic Fan Control
Engine Cooling Fan Controllers

What are the top-rated 2003 BMW 525i Engine Cooling Parts?

Top-rated Engine Cooling Parts for your 2003 BMW 525i based on customer reviews/ratings are:
Adjustable Thermostatic Fan Control
from $55.99
(33)
Adjustable Thermostatic Fan Control
“I used this fan control on my 2006 pt cruiser. It’s simple to install and works great. I’m going to get another one for my 1999 jeep Cherokee.”
Radiator Cap: 30 PSI
from $23.99
(14)
Radiator Cap: 30 PSI
“Fit my 2004 BMW 330xi. Came as described.”
Electric Fan - 10" Diameter
from $67.99
(14)
Electric Fan – 10" Diameter
“So, the Air Conditioner Condenser fan motor failed on my 2003 Dodge Ram 1500. It turns out that the 2002 – 2005 Rams all use the same AC Condenser fa”