2003 Mercury Mountaineer Engine Cooling Parts

Essential 2003 Mercury Mountaineer Engine Cooling Parts

Felpro – O-RING (Part No.35617)

O-RING

from

$3.99
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
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Permatex – Sensor-Safe, High Torque RTV Silicone Gasket Maker (Part No.22074)

Sensor-Safe, High Torque RTV Silicone Gasket Maker

from

$6.99
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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Carquest Premium – Engine Cooling Fan Motor Connector (Part No.PTC1565)

Engine Cooling Fan Motor Connector

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$31.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • CarQuest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
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Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.431410)

Radiator: With Transmission Oil Cooler

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$284.99
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 engineered with integrated ribbing for added strength 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
  • Oil cooler designs meet or exceed OE standards, keeping the vehicle’s engine and transmission performing at optimal conditions
  • OEM grade, premium fittings for transmission or engine oil coolers (where applicable)
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Dorman – 6 Wire Pigtail – Watertight Round Female Connector With Male Terminals (Part No.645-101)

6 Wire Pigtail - Watertight Round Female Connector With Male Terminals

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$33.99
Make better electrical repairs and accessory installations with this pigtail connector. Designed for a clean appearance when installed, it features weatherproof terminals and a locking tab for a reliable quick disconnect electrical connection.

Product Features:
  • Professional appearance – this electrical pigtail is designed for a clean, professional look when installed
  • Convenient solution – this pigtail connector allows the circuit to be quickly disconnected for service or occasional use
  • Durable construction – this pigtail connector features weatherproof seals and a locking tab for a reliable connection
  • Versatile component – this connector can be used in a variety of repairs and custom installations
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Carquest Premium – Coolant Housing/Water Outlet: Gasket Included (Part No.85172)

Coolant Housing/Water Outlet: Gasket Included

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$49.49
We are proud to offer this CARQUEST product line: CARQUEST Water Outlets. Our products are engineered and tested to provide years of trouble free operation and designed to be hassle free OE replacement part that meets and/or exceeds OE standards. Backed by over 50 years of mobile temperature control experience, fix it once and fix it right with CARQUST Water Outlets and Thermostat Housings.

Product Features:
  • Meets and/or exceeds OEM standard
  • Includes quality gasket or O-ring to ensure proper seal (where applicable)
  • 100% virgin resin material to insure durability
  • 100% leak tested
  • Direct-fit replacement for ease of installation
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Dorman – Help – Radiator Drain Cocks (Part No.61127)

Radiator Drain Cocks

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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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Motorcraft – Original Equipment Upper Thermostat Housing (Part No.RH-165)

Original Equipment Upper Thermostat Housing

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$28.49
Original Equipment Upper Thermostat Housing

US MOTOR WORKS – Water Pump with Fan Clutch (Part No.MCK1031)

Water Pump with Fan Clutch

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$353.99
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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Driveworks Water Pumps – Water Pump: New, Installation Gasket Included (Part No.58-543)

Water Pump: New, Installation Gasket Included

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$75.99
Driveworks Water Pumps offer a complete replacement part solution, with application coverage that spans from antique to present-day vehicles. All units are 100% tested and engineered to meet or exceed OEM performance, providing you a quality product you and your vehicle can rely on. All units are manufacturered with brand new components and are packaged with all gaskets required for replacement.

Product Features:
  • 100% Factory tested for leakage and dimensional precision
  • Manufactured to original casting specifications to ensure a proper fit and proper water flow for efficient cooling
  • Bearings made of heat-treated carbon or carburized steel are sealed and lubricated to ensure smooth performance throughout units life
  • Assembled with new, high-quality unitized shaft seals to prevent premature leakage
  • Supplied with gasket and other seals/gaskets as applicable per application to help complete the job
  • This pump is driven by the accessory belt and we recommend replacement if nearing service recommendation
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Carquest Premium – Engine Cooling Fan Module (Part No.ACC1313)

Engine Cooling Fan Module

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$94.99
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 – Universal Fan Clutch – 7" Thermal Heavy Duty (Part No.215124)

Universal Fan Clutch - 7" Thermal Heavy Duty

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$93.99
Please note: 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:
  • CARQUEST Premium Fan Clutch
  • 7″ thermal heavy-duty
  • Designed, tested and built by application
  • OE performance, fit and appearance
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Factory Air – Standard Relay (Part No.35928)

Standard Relay

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$23.29
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Precision engineered
  • OE style molded connectors
  • Quality contacts ensure proper conductivity
  • Vehicle specific applications
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Imperial – Electric Fan 16" Diameter (Part No.226116)

Electric Fan 16" Diameter

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$92.99
Electric fan with 16″ diameter. Imperial electric fans are reversible for push or pull operation and are designed with a thin, aerodynamic profile for applications with limited space.

Product Features:
  • Rapid-Cool® Thin-Line electric fans
  • 16″ diameter
  • 1,400 CFM
  • Use as a pusher or puller fan
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Felpro – Engine Water Pump Gasket (Part No.35478)

Engine Water Pump Gasket

from

$6.79
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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Permatex – Sensor-Safe, High-Torque RTV Silicone Gasket Maker (Part No.82194)

Sensor-Safe, High-Torque RTV Silicone Gasket Maker

from

$11.49
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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Felpro – Engine Coolant Thermostat Gasket (Part No.36107)

Engine Coolant Thermostat Gasket

from

$3.79
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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Motorad – Thermostat Assembly: With Housings, Thermostat, Sensors and Seals, 192 Degrees (Part No.TA2062S)

Thermostat Assembly: With Housings, Thermostat, Sensors and Seals, 192 Degrees

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$99.99
This thermostat assembly is everything you need for a quick and easy replacement for the job. This item is completely assembled and torqued down to the OE specifications, so you don¿t need to worry. This has everything installed/assembled together so there is no need to worry about swapping items or reusing old parts. Manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat 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. 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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Flex A Lite – Black Magic Electric Fan (Part No.180)

Black Magic Electric Fan

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$367.99
Black Magic Electric Fan

Felpro – Multi-Purpose O-Ring (Part No.35489)

Multi-Purpose O-Ring

from

$9.99
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
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
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Felpro – WATER PUMP GASKET SET (Part No.ES 73048)

WATER PUMP GASKET SET

from

$6.79
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
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Unsurpassed quality you can trust
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Carquest Premium – Standard Thermostat: 195 Degrees (Part No.13359)

Standard Thermostat: 195 Degrees

from

$9.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat 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. 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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Dorman – Coolant Reservoir – Expansion Tank (Part No.G1030415222DOR)

Coolant Reservoir - Expansion Tank

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$184.49
Dorman’s Engine Coolant Recovery Tank is designed for enduring use. It resists the expansion and cracking that extreme temperature fluctuations can cause. Plus, the durable plastic construction prevents coolant fluid loss.

Product Features:
  • Comes with reservoir cap
  • Level sensor included (where applicable)
  • Direct replacement for a proper fit every time
  • Quality tested to ensure trouble-free installation and performance
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Carquest Premium – Hazard Warning Flasher (Part No.RAA1748)

Hazard Warning Flasher

from

$19.99
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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Carquest Premium – Coolant Temperature Sensor (Part No.WTC1051)

Coolant Temperature Sensor

from

$25.99
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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Dorman – Help – Engine Coolant Reservoir Cap: Flip Top, Plastic, 1 Pack (Part No.54209)

Engine Coolant Reservoir Cap: Flip Top, Plastic, 1 Pack

from

$27.99
Cracked or lost the original engine coolant reservoir cap? Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.

Product Features:
  • Direct replacement – this engine coolant reservoir cap directly replaces a cracked or lost original cap
  • Application specific – made to match dimensions of reservoir cap on only certain vehicle years, makes and models
  • Seamless fit – reverse-engineered from the original equipment to fit perfectly
  • Excellent value – a quick, easy replacement that’s less expensive than going back to the dealership
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Dorman – Engine Water Pump Pulley (Part No.G3020373199DOR)

Engine Water Pump Pulley

from

$10.58
An integral part of the drive system for belt-driven water pumps. Dorman’s Engine Water Pump Pulley is recommended for replacement whenever you service the water pump.

Product Features:
  • Stamped steel construction for long-lasting durability
  • High strength coating for corrosion resistance
  • Direct replacement for a proper fit every time
  • Easy installation
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Motorcraft – Thermostat O-Ring (Part No.G4030195862MTR)

Thermostat O-Ring

from

$3.89
Thermostat O-Ring

2003 Mercury Mountaineer Engine Cooling Parts

Maybe you’re in the middle of a full rebuild of that 2003 Mercury Mountaineer. Maybe you just need a couple of Engine Cooling Parts. Either way, Advance Auto Parts has 81 different Engine Cooling Parts in our inventory ranging from $1.41 to $367.99. That means you can find the exact parts or products you need to keep that 2003 Mercury Mountaineer running smoothly.

Engine Cooling Parts are only as good as their brand. We stock 18 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Mercury Mountaineer. Permatex, Carquest Premium, and Felpro 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 Mercury Mountaineer, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,940 reviews in this category, some of the top rated parts include Water Pump: New, Installation Gasket Included with 4.4 stars and Engine Water Pump: New, Gasket/Seals Included with 4.4 stars.

So if you’re in the market for aftermarket Engine Cooling Parts to keep your 2003 Mercury Mountaineer 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 Mercury Mountaineer Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Mercury Mountaineer 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 Mountaineer the best it can be. Be sure to browse some of our top Engine Cooling Parts brands and parts.

Popular Motorad UltraStats Engine Cooling Parts

We carry Motorad UltraStats parts in our stock across Thermostats categories, plus more. For a 2003 Mercury Mountaineer, our most popular Motorad UltraStats Engine Cooling Parts include:
Thermostat: 180 Degrees
from $18.29
(1)
Thermostat: 180 Degrees
Thermostats

Top 2003 Mercury Mountaineer Engine Cooling Parts from Permatex

Permatex products are another trusted brand when it comes to Engine Cooling Parts for your 2003 Mercury Mountaineer. Popular Permatex parts include:
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
from $6.99
(288)
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
Engine Water Pump Inlet Pipe Gaskets
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
from $11.49
(95)
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
Water Pump Housing Gaskets
Sensor-Safe, High Torque RTV Silicone Gasket Maker
from $6.99
(9)
Sensor-Safe, High Torque RTV Silicone Gasket Maker
Engine Water Pump Inlet Pipe Gaskets

FAQs for 2003 Mercury Mountaineer Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the 2003 Mercury Mountaineer?

Out of 81 Engine Cooling Parts for the 2003 Mercury Mountaineer, the most popular in our inventory are:
Multi-Purpose O-Ring
from $9.99
(110)
Multi-Purpose O-Ring
Engine Coolant Pipe O-Rings
Engine Water Pump: New, Gasket/Seals Included
from $57.99
(64)
Engine Water Pump: New, Gasket/Seals Included
Water Pumps
Standard Thermostat: 192 Degrees
from $25.99
This product is not rated
Standard Thermostat: 192 Degrees
Thermostats

What are the top-rated 2003 Mercury Mountaineer Engine Cooling Parts?

Top-rated Engine Cooling Parts for your 2003 Mercury Mountaineer based on customer reviews/ratings are:
Water Pump: New, Installation Gasket Included
from $75.99
(112)
Water Pump: New, Installation Gasket Included
“Very good”
Engine Water Pump: New, Gasket/Seals Included
from $97.99
(112)
Engine Water Pump: New, Gasket/Seals Included
“Good quality”
Thermostat Assembly: Includes Housing, Gasket, Bolts, Sensor, and Clip
from $82.99
(94)
Thermostat Assembly: Includes Housing, Gasket, Bolts, Sensor, and Clip
“Installed, and worked as expended .”