2003 Chevrolet Silverado 1500 Engine Cooling Parts

Essential 2003 Chevrolet Silverado 1500 Engine Cooling Parts

Dorman – Radiator Drain Petcocks (Part No.G10051333557DOR)

Radiator Drain Petcocks

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$5.73
Dorman offers a variety of Radiator Drain Petcocks for a range of applications. The high-quality design ensures effective draining of the cooling system. Features and Benefits

Product Features:
  • Available in several styles, including standard, screw-in, and push-in with captive thread
  • Direct replacement Radiator Drain Petcocks available (where applicable) to ensure a proper fit
  • Durably engineered for a long service life
  • Easy to use, no need to disconnect any of the radiator hoses
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Dorman – Help – Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack (Part No.54218)

Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack

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$12.99
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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Imperial – Electric Fan – 14" Diameter (Part No.226114)

Electric Fan - 14" Diameter

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$99.99
Product Features:
  • Motors built and tested to quality specifications
  • 14 in. universal fit reversible fan
  • 1250 CFM
  • UNIVERSAL fan, NOT a direct OE replacement. Measure core and verify space.
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Carquest Premium – Engine Coolant Thermostat Housing (Part No.85254)

Engine Coolant Thermostat Housing

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$54.99
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Meets and/or exceeds OEM standard
  • Includes quality gasket or O-ring  to ensure proper seal (where applicable
  • Coated with corrosion and rust inhibitor
  • 100% leak tested
  • Direct-fit replacement for ease of installation
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Permatex – Sensor-Safe, High-Torque RTV Silicone Gasket Maker (Part No.82194)

Sensor-Safe, High-Torque RTV Silicone Gasket Maker

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$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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Santech – Thermostat Housing (Part No.G4010204821SII)

Thermostat Housing

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$60.32
Thermostat Housing

Dorman – Engine Heater Hose Assembly (Part No.626-591)

Engine Heater Hose Assembly

from

$89.99
This replacement engine coolant pipe assembly is designed to match the fit and function of the original assembly on specified makes, years and models, and is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this replacement engine coolant pipe assembly is designed to match the fit and function of the original assembly on specified makes, years and models
  • Restores functionality – reliable replacement for an original part that is leaking, cracked or failed from corrosion and heat
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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ACDelco – Thermostat Housing G (Part No.G4020584443ACD)

Thermostat Housing G

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$9.27
Thermostat Housing G

Felpro – Multi-Purpose O-Ring (Part No.35710)

Multi-Purpose O-Ring

from

$3.49
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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ACDelco – 15-80692 GM Original Equipment Engine Cooling Fan Blade (Part No.G5050374437ACD)

15-80692 GM Original Equipment Engine Cooling Fan Blade

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$109.23
ACDelco GM Original Equipment Engine Cooling Fan Blades are located between the radiator and engine and are GM-recommended replacements for your vehicle’s original components. The fan is a part of the engine cooling system, which moves air across the radiator and A/C condenser to remove heat from the engine cooling system and the AC refrigerant system. The fan may be belt-driven or operated by an electric motor. This cooling fan blade has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Dorman – Rivet-Push In-Hole Diameter .500 In-Head Diameter 1 In-Length .900 In (Part No.799-105)

Rivet-Push In-Hole Diameter .500 In-Head Diameter 1 In-Length .900 In

from

$5.29
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
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KAI – Radiator Support (Part No.GM1225245)

Radiator Support

from

$79.99
New Standard Replacement Radiator Support Latch, 1500 Crewcab/2500/3500 For SUV Fits 2500 Series And All 8.1 Engine Applications

Product Features:
  • 1500 Crewcab/2500/3500 For SUV Fits 2500 Series And All 8.1 Engine Applications, Made Of Aluminum
  • 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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Dorman – Front Right Position Radiator Bracket (Part No.523-058)

Front Right Position Radiator Bracket

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$216.99
This radiator mount bracket is precision-engineered and rigorously tested to provide reliable replacement for the original equipment on specific vehicles.

Product Features:
  • Direct replacement – fits and performs like the original equipment on specific vehicles
  • Reliable fit – precision-engineered to match the design and dimensions of original components
  • Durable construction – manufactured to strict standards using sturdy, safe materials
  • Rigorously tested – thorough quality control measures ensure longevity
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Dorman – Thermostat Assembly: Includes Housing, Thermostat, and O-Ring, 180 Degrees (Part No.902-2700)

Thermostat Assembly: Includes Housing, Thermostat, and O-Ring, 180 Degrees

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$107.99
This replacement engine coolant thermostat housing assembly is engineered to match the fit and durability of the stock housing assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing assembly directly replaces the original water outlet 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 housing assemblies
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Dorman – Clutch Fan Blade: Plastic, Cost Effective And Reliable (Part No.621-104)

Clutch Fan Blade: Plastic, Cost Effective And Reliable

from

$61.99
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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KAI – Cooling Fan Shroud (Part No.GM3110130)

Cooling Fan Shroud

from

$33.99
New Platinum Pro Upper Fan Shroud, 4.3 Liter V6 Engine

Product Features:
  • 4.3 Liter V6 Engine
  • 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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Carquest Premium – Engine Cooling Fan Module (Part No.ACC1313)

Engine Cooling Fan Module

from

$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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GM Genuine Parts – Engine Coolant Thermostat Water Inlet Assembly (Part No.15-10412)

Engine Coolant Thermostat Water Inlet Assembly

from

$72.99
GM Genuine Parts Engine Coolant Thermostat / Water Inlet Assemblies are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These engine coolant thermostat / water inlet assemblies contain the engine thermostat and water inlet housing. The engine coolant thermostat controls the flow of coolant through the radiator; enabling the engine to reach and maintain its normal operating temperature. The water inlet housing connects the radiator hoses to the thermostat. For certain applications, the water inlet contains threaded holes or ports for sensors and switches. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Provides a durable leak-resistant seal
  • Repairs leaking thermostat housings
  • Corrects engine overheating caused by failed thermostat
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • Original equipment parts are designed to work with your GM vehicle safety systems — aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
  • GM regularly updates production and service part designs to integrate new materials and technologies
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ACDelco – Water Pump Gasket (Part No.G3040584365ACD)

Water Pump Gasket

from

$6.96
Water Pump Gasket

Carquest Premium – Engine Water Pump: New (Part No.T4285)

Engine Water Pump: New

from

$109.99
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, seals, impeller, hub and housing are all designed for long-lasting service life.

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
  • 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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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 – Radiator Cap Tester Adapter (Part No.12033)

Radiator Cap Tester Adapter

from

$93.99
Tester adapter for the MT-300 cooling system pressure testers. Professional grade test equipment to ensure an automotive cooling system is operating at the correct pressure. Made from high quality materials to ensure durability. Designed to test automotive coolant caps.

Product Features:
  • Machined metal construction
  • Works with MT-300 pressure tester
  • Tests coolant caps
  • Professional quality
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KAI – Radiator (Part No.RAD2334)

Radiator

from

$209.99
New Platinum Pro Radiator, 4.8 And 5.3 Liter Engines, 28 Inch Core, Without Engine Oil Cooler

Product Features:
  • 4.8 And 5.3 Liter Engines, 28 Inch Core, Without Engine Oil Cooler, Made Of Plastic and Aluminum
  • 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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Dorman – Rivet-Push In-Hole Diameter .500 In-Head Diameter 1 In-Length .900 In (Part No.45813)

Rivet-Push In-Hole Diameter .500 In-Head Diameter 1 In-Length .900 In

from

$1.99
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
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Dorman – Panel Trim Retainer – Interior – Ford (sold by each) (Part No.700-398)

Panel Trim Retainer - Interior - Ford (sold by each)

from

$1.29
All our Multi-Purpose Retainers are made of high quality materials for long-lasting durability. Offering a full line of Multi-Purpose Retainers for a wide range of applications.

Product Features:
  • Durable nylon design for a long service life
  • Also suitable for a broad variety of industrial and commercial uses
  • Conveniently packaged in a variety of piece counts
  • Direct replacement Retainers available (where applicable) to ensure a proper fit
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Felpro – Engine Water Pump Gasket (Part No.13032)

Engine Water Pump Gasket

from

$2.99
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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US MOTOR WORKS – Water Pump with Fan Clutch (Part No.MCK1001)

Water Pump with Fan Clutch

from

$101.99
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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US MOTOR WORKS – Water Pump with Fan Clutch (Part No.MCK1041)

Water Pump with Fan Clutch

from

$118.99
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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2003 Chevrolet Silverado 1500 Engine Cooling Parts

Maybe you’re in the middle of a full rebuild of that 2003 Chevrolet Silverado 1500. Maybe you just need a couple of Engine Cooling Parts. Either way, Advance Auto Parts has 111 different Engine Cooling Parts in our inventory ranging from $1.29 to $416.93. That means you can find the exact parts or products you need to keep that 2003 Chevrolet Silverado 1500 running smoothly.

Engine Cooling Parts are only as good as their brand. We stock 25 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Chevrolet Silverado 1500. Carquest Premium, Permatex, 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 Chevrolet Silverado 1500, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 33,550 reviews in this category, some of the top rated parts include Engine Water Pump: New, Gasket/Seals Included with 4.6 stars and Integrated Thermostat Housing: With Seal, 187 Degrees with 4.4 stars.

So if you’re in the market for aftermarket Engine Cooling Parts to keep your 2003 Chevrolet Silverado 1500 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 Chevrolet Silverado 1500 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Chevrolet Silverado 1500 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 Silverado 1500 the best it can be. Be sure to browse some of our top Engine Cooling Parts brands and parts.

FAQs for 2003 Chevrolet Silverado 1500 Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the 2003 Chevrolet Silverado 1500?

Out of 111 Engine Cooling Parts for the 2003 Chevrolet Silverado 1500, the most popular in our inventory are:
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
Engine Water Pump
from $101.99
(345)
Engine Water Pump
Water Pumps
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
from $11.49
(95)
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
Water Pump Housing Gaskets

What are the top-rated 2003 Chevrolet Silverado 1500 Engine Cooling Parts?

Top-rated Engine Cooling Parts for your 2003 Chevrolet Silverado 1500 based on customer reviews/ratings are:
Engine Water Pump: New, Gasket/Seals Included
from $73.99
(189)
Engine Water Pump: New, Gasket/Seals Included
“Installed on a van. Pain to work on.”
Engine Cooling Fan Clutch: Reverse Rotation Severe Duty Thermal Clutch
from $95.99
(129)
Engine Cooling Fan Clutch: Reverse Rotation Severe Duty Thermal Clutch
“Good value and perfect replacement part”