2003 Pontiac Grand Prix Heater Hoses
Your 2003 Pontiac Grand Prix might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Heater Hoses you desperately need.
We currently carry 11 Heater Hoses to choose from for your 2003 Pontiac Grand Prix, and our inventory prices range from as little as $1.79 up to $96.99.
On top of low prices, Advance Auto Parts offers 3 different trusted brands of Heater Hoses for the 2003 Pontiac Grand Prix. We only sell parts from trusted brands like Gates so that you can find quality parts you can count on.
Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 10 reviews on our Heater Hoses for the 2003 Pontiac Grand Prix from previous customers.
Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Heater Hoses stock in-person!
Heater Hoses for Your 2003 Pontiac Grand Prix
Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 25 Inch Length (Part No.87606)
from
$24.49
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:
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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
Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 16 Inch Length (Part No.86123)
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:
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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
Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 14 Inch Length (Part No.87880)
from
$16.29
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:
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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
Dorman – Molded Heater Hose: Steel (Part No.626-113)
from
$96.99
This replacement HVAC heater hose assembly is engineered to match the fit and durability of the stock heater hose assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.
Product Features:
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Product Features:
- Ideal replacement – this HVAC heater hose assembly directly replaces the original heater hose 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 heater hose assemblies
Gates – Premium 5/16 X 50 Ft Heater Hose by Gates (sold by each) (Part No.28408)
from
$1.79
Premium hose constructed for long service life.
Product Features:
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Product Features:
- Good resistance to high temperatures for extended periods of time
- Similar to SAE 20R3 Class D-3
- Temperature rating: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
- CAUTION: Do not use for fuel or oil transfer applications.
Dorman – Molded Heater Hose: Steel (Part No.626-525)
from
$61.99
This replacement HVAC heater hose assembly is engineered to match the fit and durability of the stock heater hose assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.
Product Features:
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Product Features:
- Ideal replacement – this HVAC heater hose assembly directly replaces the original heater hose 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 heater hose assemblies
Dorman – Molded Heater Hose: Steel (Part No.626-107)
from
$46.99
This replacement HVAC heater hose assembly is engineered to match the fit and durability of the stock heater hose assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.
Product Features:
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Product Features:
- Ideal replacement – this HVAC heater hose assembly directly replaces the original heater hose 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 heater hose assemblies
Gates – Premium Molded Heater Hose (Part No.19026)
from
$7.29
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:
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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
Gates – Premium Molded Heater Hose (Part No.19210)
from
$43.99
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:
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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
Gates – Premium Molded Heater Hose (Part No.19120)
from
$32.49
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:
See More
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
Dayco – Dayco, Heater Hose, Trim-to-Fit (Part No.R30301213498DAY)
from
$16.35
Dayco, Heater Hose, Trim-to-Fit
FAQs for 2003 Pontiac Grand Prix Heater Hoses
What are the most popular Heater Hoses for the 2003 Pontiac Grand Prix?
With 3 brands you can trust, our most popular Heater Hoses for the 2003 Pontiac Grand Prix parts are:
from
$1.79
This product is not rated
Premium 5/16 X 50 Ft Heater Hose by Gates (sold by each)
Heater Hoses
What are the best aftermarket Heater Hoses for the 2003 Pontiac Grand Prix?
See what past customers had to say about our highest-rated Heater Hoses for the 2003 Pontiac Grand Prix:
from
$96.99
(1)
Molded Heater Hose: Steel
“I have had this bypass hose for two months now and the area where the bleeder screw goes stripped out and had to replace with a new one. Hopefully I w”
