2003 Pontiac Sunfire Radiator Hoses

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Keep Your 2003 Pontiac Sunfire in Top Shape with a Quality Radiator Hose

When it comes to maintaining or upgrading your 2003 Pontiac Sunfire, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Radiator Hose for your Sunfire. We currently carry a top Radiator Hose in stock that is built to last. Whether you’re replacing a damaged Radiator Hose or looking to upgrade, our selection for the 2003 Pontiac Sunfire ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Belt Tensioners and Pulleys to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 2003 Pontiac Sunfire running smoothly and looking great.

Essential 2003 Pontiac Sunfire Radiator Hoses

Gates – Premium Molded Coolant Hose (Part No.22342)

Premium Molded Coolant Hose

from

$34.99
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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Gates – Premium Modular Coolant Hose (Part No.22343)

Premium Modular Coolant Hose

from

$78.99
Modular coolant hoses are on many of today’s vehicles and are much more complex than the standard molded hoses of the past. Modular coolant hoses are hose assemblies with one or more components built into the hose. Some examples of these components include hose branches, quick connectors, valves, sensors, bleeders and flow restrictors. Manufactured identical or equivalent to the OE hose, modular coolant hoses will keep your vehicle’s cooling system running properly and efficiently for years to come.

Product Features:
  • Specifically designed materials resist collapse under vacuum
  • Designed to resist electrochemical degradation, which is the leading cause of hose failure
  • EPDM tube; synthetic fiber knit reinforcement, heat, ozone- and chemical coolant-resistant EPDM cover
  • Manufactured with OEM-compliant hose components (quick couplings, branch fittings, sensors, etc.)
  • Meets SAE 20R3 EC Class D1 below 25 mm (1 inch) ID, SAE 20R4 EC Class D1 for 25 mm (1 inch) DNI and above
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Note: Gates recommends replacing clamps and connectors each time a new cooling hose is installed.
  • Caution: Do not use for fuel or oil transfer applications
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Gates – Safety Stripe Standard Straight Heater Hose (Sold by foot) (Part No.28409)

Safety Stripe Standard Straight Heater Hose (Sold by foot)

from

$2.49
Premium hose constructed for long service life.

Product Features:
  • Good resistance to high temperatures for extended periods of time, which extends the 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)
  • Warning: 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 – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 14.50" Long, 1.31" Diameter (Part No.D71776)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 14.50" Long, 1.31" Diameter

from

$37.99
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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Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 16" Long, 1.31" Diameter (Part No.D71775)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 16" Long, 1.31" Diameter

from

$47.99
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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Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 13.50" Long, 1.31" Diameter (Part No.E71849)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 13.50" Long, 1.31" Diameter

from

$52.99
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

Most Popular Coolant Hose for 2003 Pontiac Sunfires

Enhance your 2003 Pontiac Sunfire with this popular Coolant Hose we have in stock, for $2.49.

Gates – Safety Stripe Standard Straight Heater Hose (Sold by foot) (Part No.28409)

Safety Stripe Standard Straight Heater Hose (Sold by foot)

from

$2.49
Premium hose constructed for long service life.

Product Features:
  • Good resistance to high temperatures for extended periods of time, which extends the 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)
  • Warning: Do not use for fuel or oil transfer applications
  • PLEASE NOTE: Item is priced and sold by the foot. See store for details.
See More

FAQs for 2003 Pontiac Sunfire Radiator Hoses

What’s the price range for 2003 Pontiac Sunfire Radiator Hoses?

We currently have just one Radiator Hoses for the 2003 Pontiac Sunfire in stock: Safety Stripe Standard Straight Heater Hose (Sold by foot) and it costs $2.49.

Does Advance Auto Parts sell Radiator Hoses for other Pontiac Sunfire model years?

Yes, we carry Radiator Hoses for 7 model years of Pontiac Sunfires between 1995 and 2002. The following model years are the most popular for Radiator Hose purchases: 2002, 2001, 2000, 1999, 1998, 1997, 1996, and 1995.

Does Advance Auto Parts sell Radiator Hoses for any other 2003 Pontiac models?

Yes. We stock Radiator Hoses for 5 other popular 2003 Pontiac models. Some of the most popular are 2003 Grand Prix Radiator Hoses, 2003 Bonneville Radiator Hoses, 2003 Grand Am Radiator Hoses, 2003 Vibe Radiator Hoses, and 2003 Montana Radiator Hoses.

What types of Radiator Hoses do you sell for my 2003 Pontiac Sunfire?

We currently have just 1 Radiator Hose in stock for a 2003 Pontiac Sunfire, and as of 11/2/25, it is a Coolant Hose.

Can I get help with 2003 Pontiac Sunfire Radiator Hose orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Pontiac Radiator Hoses and more.

What is your return policy for Pontiac Sunfire Radiator Hoses?

Advance Auto Parts keeps returns simple. For new Pontiac Sunfire Radiator Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.