2003 Chevrolet Silverado 2500 HD Radiator Hoses

Essential 2003 Chevrolet Silverado 2500 HD Radiator Hoses

Dayco – Molded Heater Hose; EPDM Rubber, 1/4 Inch Diameter, 4 1/2 Inch Length (Part No.86504)

Molded Heater Hose; EPDM Rubber, 1/4 Inch Diameter, 4 1/2 Inch Length

from

$6.79
Providing reliable service in applications requiring molded hoses in small diameters, the Dayco small I.D. heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the “quick connect” end allows for fast, convenient installation.

Product Features:
  • Meets the requirements of SAE J20R3, Class D-1
  • Designed to meet Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Engineered as an OEM replacement
  • The knitted polyester reinforcement provides high burst strength and resists degradation from temperature extremes and moisture
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Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 6.50" Long, .63" Diameter (Part No.B71231)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 6.50" Long, .63" Diameter

from

$9.99
The Dayco curved radiator hose features knitted reinforcement, a protective sleeve and a synthetic EPDM rubber construction for high-strength performance, protection against abrasion and resistance to oil, mud, salt, road debris, ozone and coolants. It can also withstand temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose.

Product Features:
  • Meets SAE J20R4, Class D-1 requirements
  • Meets Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Provides excellent protection against external elements
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Gates – Premium Molded Heater Hose (Part No.19802)

Premium Molded Heater Hose

from

$24.79
Gates Small I.D. Molded Coolant Hose is factory-molded, OEM style hose to fit today’s smaller, tighter-fitting engine compartments. Can be used for coolant, water and air applications. Approved for marine applications.

Product Features:
  • Has all the quality features of Gates molded coolant hose and similar to OEM specifications
  • Engineered to resist electrochemical degradation ┐ the leading cause of hose failure
  • EPDM tube, synthetic fiber knit reinforcement, EPDM cover
  • Meets SAE 20R3 Type EC Class D-1 and D-2 specifications
  • Temperature Range: -40 Deg. F to 275 Deg. F (-40 Deg. C -135 Deg. C)
  • Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
  • Caution: Do not use for fuel or oil transfer applications
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Gates – Straight Heater Hose: EPDM, Direct Fit, 0.25" Inside Diameter (Sold by foot) (Part No.28407)

Straight Heater Hose: EPDM, Direct Fit, 0.25" Inside Diameter (Sold by foot)

from

$0.99
Premium hose constructed for long service life.

Product Features:
  • Good resistance to high temperatures for extended periods of time, which prolongs service life
  • Meets SAE 20R3 Standard Wall Class D-2 requirements
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • CAUTION: Do not use for fuel or oil transfer applications
  • CAUTION: Do not use for fuel or oil transfer applications
  • PLEASE NOTE: Item is priced and sold by the foot. See store for details.
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Dayco – Molded Heater Hose; EPDM Rubber, 7/8 Inch Diameter, 4 1/2 Inch Length (Part No.88445)

Molded Heater Hose; EPDM Rubber, 7/8 Inch Diameter, 4 1/2 Inch Length

from

$18.29
Providing reliable service in applications requiring molded hoses in small diameters, the Dayco small I.D. heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the “quick connect” end allows for fast, convenient installation.

Product Features:
  • Meets the requirements of SAE J20R3, Class D-1
  • Designed to meet Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Engineered as an OEM replacement
  • The knitted polyester reinforcement provides high burst strength and resists degradation from temperature extremes and moisture
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Gates – Safety Stripe« Standard Straight Heater Hose (Part No.28409)

Safety Stripe« Standard Straight Heater Hose

from

$2.49
Premium hose constructed for long service life.

Product Features:
  • Good resistance to high temperatures for extended periods of time, which prolongs service life
  • Meets SAE 20R3 Standard Wall Class D-2 requirements
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Caution: Do not use for fuel or oil transfer applications
  • PLEASE NOTE: Item is priced and sold by the foot. See store for details.
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Dorman – Help – Coolant Hose Junction (Part No.47157)

Coolant Hose Junction

from

$29.99
Fixing a failed original plastic coolant hose connector usually requires replacing the entire coolant hose assembly. This Dorman OE FIX coolant hose connector is made from aluminum for greater durability and saves expense by allowing the replacement of just the failed connector..

Product Features:
  • Saves money – directly replace a failed coolant hose connector rather than buying an entire new hose assembly from the original automaker.
  • Improved design – made of durable aluminum instead of plastic to better resist temperature fluctuations and help prevent future failures
  • Ensures fit – includes hose clamps for a complete repair and perfect fit on specified makes, models and years
  • Quality assured – backed by a team of product experts in the United States and more than a century of automotive experience
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Gates – Premium Molded Coolant Hose (Part No.22698)

Premium Molded Coolant Hose

from

$24.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.

Product Features:
  • Specifically-engineered materials resist collapse under vacuum
  • Engineered to resist electrochemical degradation, the leading cause of hose failure
  • Pre-shaped to fit and to ensure perfectly sealed conditions
  • EPDM tube: synthetic fiber knit reinforcement: heat-, ozone- and chemical coolant-resistant EPDM cover
  • Meets requirements of SAE 20R4, class D2 and DIN 73411, class A (except for tolerances)
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
  • Caution: Do not use for fuel or oil transfer applications
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Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 21" Long, 1.75" Diameter (Part No.E72195)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 21" Long, 1.75" Diameter

from

$53.99
The Dayco curved radiator hose features knitted reinforcement, a protective sleeve and a synthetic EPDM rubber construction for high-strength performance, protection against abrasion and resistance to oil, mud, salt, road debris, ozone and coolants. It can also withstand temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose.

Product Features:
  • Meets SAE J20R4, Class D-1 requirements
  • Meets Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Provides excellent protection against external elements
See More

Dayco – Molded Heater Hose; EPDM Rubber, 1/4 Inch Diameter, 29 1/2 Inch Length (Part No.86836)

Molded Heater Hose; EPDM Rubber, 1/4 Inch Diameter, 29 1/2 Inch Length

from

$33.49
Providing reliable service in applications requiring molded hoses in small diameters, the Dayco small I.D. heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the “quick connect” end allows for fast, convenient installation.

Product Features:
  • Meets the requirements of SAE J20R3, Class D-1
  • Designed to meet Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Engineered as an OEM replacement
  • The knitted polyester reinforcement provides high burst strength and resists degradation from temperature extremes and moisture
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 18" Long, 1.75" Diameter (Part No.E72347)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 18" Long, 1.75" Diameter

from

$31.99
The Dayco curved radiator hose features knitted reinforcement, a protective sleeve and a synthetic EPDM rubber construction for high-strength performance, protection against abrasion and resistance to oil, mud, salt, road debris, ozone and coolants. It can also withstand temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose.

Product Features:
  • Meets SAE J20R4, Class D-1 requirements
  • Meets Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Provides excellent protection against external elements
See More

Gates – Premium Modular Coolant Hose (Part No.22927)

Premium Modular Coolant Hose

from

$245.99
Product Features:
  • Specifically-engineered materials resist collapse under vacuum
  • Engineered to resist electrochemical degradation + the leading cause of hose failure
  • EPDM tube; synthetic fiber knit reinforcement, heat-, ozone- and chemical coolant-resistant EPDM cover
  • Manufactured with OEM-exact hose components (quick connects, branch connectors/tees, sensors, etc.)
  • Meets SAE 20R3 EC Class D1 under 25mm (1 in.) ID, SAE 20R4 EC Class D1 for 25mm (1 in.) ID and over
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Note: Gates recommends replacing clamps each time a new coolant hose is installed
  • Caution: Do not use for fuel or oil transfer applications
See More

ACDelco – Radiator Hose (Part No.G2000584125ACD)

Radiator Hose

from

$156.93
ACDelco Professional, premium aftermarket Molded Coolant Hoses are composed of specially blended materials to help resist electrochemical degradation (ECD), the leading cause of hose failure. They are specially designed, GM OE style factory-molded hoses to fit today’s smaller, tighter-fitting engine compartments. ACDelco Professional Molded Coolant Hoses are temperature rated from -40 degrees Fahrenheit to 275 degrees Fahrenheit (-40 degrees Celsius to 135 degrees Celsius) and are approved for Marine applications. Do not use for fuel or oil transfer applications. These premium aftermarket replacement molded coolant hoses are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Has a heat and ozone resistant cover to increase the life of the hose
  • Comes with a protective sleeve to help duplicate GM OE designs for proper fit and function
  • Made of re-engineered materials to resist vacuum collapse and also reduce the need for internal springs in many applications
  • Installs without buckling, bending out of shape, or straining at the connection for easy installation
  • Inside diameters ranges from 1?4 in to 1 in to fit different types of vehicles
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Dayco – Molded Radiator and Bypass Hose (Part No.G2000454640DAY)

Molded Radiator and Bypass Hose

from

$62.34
Designed to replace original equipment manufacturer hose, Dayco Molded Radiator and Bypass Hose are built with knitted reinforcement and EPDM construction which provides high strength and resistance to oil, mud, salt, road debris, ozone, coolants, and temperature variations of -40F (-40C) to +257F (+125C) that are required for OEM hose replacements. The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose. The Dayco Molded Radiator and Bypass Hose has a convenient plastic hang strap for quick and easy merchandising. In addition to meeting SAE J20R4, Class D-1 requirements, this hose is now designed to meet Type EC electro- chemical requirements as specified in SAE J1684.

Product Features:
  • Made with synthetic EPDM rubber compounds that provide resistance to deterioration from ozone, coolants, and temperature variations of -40F (-40C) to +257F (+125C)
  • The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose
  • Meets SAE J20R4, Class D-1 requirements for improved service hose
  • Meets Type EC electro-chemical requirements as specified in SAE J1684; which eliminates premature deterioration of the inner tube caused by the build up of static electric charges
  • Limited Three Year Warranty
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Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 32.5" Long, 1.31" Diameter (Part No.E72882)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 32.5" Long, 1.31" Diameter

from

$124.99
The Dayco curved radiator hose features knitted reinforcement, a protective sleeve and a synthetic EPDM rubber construction for high-strength performance, protection against abrasion and resistance to oil, mud, salt, road debris, ozone and coolants. It can also withstand temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose.

Product Features:
  • Meets SAE J20R4, Class D-1 requirements
  • Meets Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Provides excellent protection against external elements
See More

ACDelco – Professional Molded Coolant Hose (Part No.G2000576697ACD)

Professional Molded Coolant Hose

from

$59.27
ACDelco Professional, premium aftermarket Molded Coolant Hoses are composed of specially blended materials to help resist electrochemical degradation (ECD), the leading cause of hose failure. They are specially designed, GM OE style factory-molded hoses to fit today’s smaller, tighter-fitting engine compartments. ACDelco Professional Molded Coolant Hoses are temperature rated from -40 degrees Fahrenheit to 275 degrees Fahrenheit (-40 degrees Celsius to 135 degrees Celsius) and are approved for Marine applications. Do not use for fuel or oil transfer applications. These premium aftermarket replacement molded coolant hoses are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Has a heat and ozone resistant cover to increase the life of the hose
  • Comes with a protective sleeve to help duplicate GM OE designs for proper fit and function
  • Made of re-engineered materials to resist vacuum collapse and also reduce the need for internal springs in many applications
  • Installs without buckling, bending out of shape, or straining at the connection for easy installation
  • Inside diameters ranges from 1?4 in to 1 in to fit different types of vehicles
See More

Dorman – Heater Hose Assembly (Part No.R3030359108DOR)

Heater Hose Assembly

from

$62.53
Durably engineered to resist corrosion and leakage, Dorman’s HVAC Heater Hose limits the possibility of overheating and subsequent engine damage. Put your engine worries to rest by preserving proper coolant circulation.

Product Features:
  • Comes with clamps and fittings (where applicable)
  • Tough rubber and steel construction
  • Front and rear heating and cooling lines available (where applicable)
  • Rigorous quality control measures have been undertaken to ensure that this part conforms to product standards
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Felpro – Multi-Purpose O-Ring (Part No.35759)

Multi-Purpose O-Ring

from

$1.79
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
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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2003 Chevrolet Silverado 2500 HD Radiator Hoses

Maybe you’re in the middle of a full rebuild of that 2003 Chevrolet Silverado 2500 HD. Maybe you just need a couple of Radiator Hoses. Either way, Advance Auto Parts has 19 different Radiator Hoses in our inventory ranging from $1.79 to $245.99. That means you can find the exact parts or products you need to keep that 2003 Chevrolet Silverado 2500 HD running smoothly.

Radiator Hoses are only as good as their brand. We stock 6 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Chevrolet Silverado 2500 HD. Gates, Felpro, and ACDelco 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 Radiator Hoses for your 2003 Chevrolet Silverado 2500 HD, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Radiator Hoses to keep your 2003 Chevrolet Silverado 2500 HD 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!

Radiator Hoses Brands To Make Your 2003 Chevrolet Silverado 2500 HD Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Chevrolet Silverado 2500 HD demands trusted brand parts and products to keep it running. Many trusted brands of Radiator Hoses make up Advance Auto Parts’ inventory, and all are ready to help make your Silverado 2500 HD the best it can be. Be sure to browse some of our top Radiator Hoses brands and parts.

FAQs for 2003 Chevrolet Silverado 2500 HD Radiator Hoses

What are the most purchased Radiator Hoses for the 2003 Chevrolet Silverado 2500 HD?

Out of 19 Radiator Hoses for the 2003 Chevrolet Silverado 2500 HD, the most popular in our inventory are:
Safety Stripe« Standard Straight Heater Hose
from $2.49
This product is not rated
Safety Stripe« Standard Straight Heater Hose
By-Pass Hoses
Multi-Purpose O-Ring
from $1.79
(1)
Multi-Purpose O-Ring
Engine Coolant Hose Connector Seals
Professional Molded Coolant Hose
from $59.27
This product is not rated
Professional Molded Coolant Hose
Coolant Hoses