1991 Pontiac Grand Prix Heater Hoses

Essential 1991 Pontiac Grand Prix Heater Hoses

Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 19 Inch Length (Part No.87901)

Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 19 Inch Length

from

$33.99
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 – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 5 1/4 Inch Length (Part No.87625)

Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 5 1/4 Inch Length

from

$15.49
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 – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 9 Inch Length (Part No.87662)

Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 9 Inch Length

from

$8.99
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 – Molded 90 Degree Heater Hose (Part No.28478)

Molded 90 Degree Heater Hose

from

$35.99
Specially designed for difficult heater hose applications requiring sharp 90 degree bends in the hose. Eliminates the need for extensive inventory of OE type curved heater hose. Just 22 sizes handle thousands of applications.

Product Features:
  • Resists electrochemical degradation and water permeation
  • Use with heater hose connectors and bulk heater hose to create custom assemblies
  • Compatible for coolant, air and water applications
  • EPDM tube and cover, synthetic fiber reinforcement
  • SAE 20R3 EC Class D1, SAE 20R4 EC Class D1
  • Temperature Range: -40 Deg. F to +275 Deg. F (-40 Deg. C to +135 Deg. C)
  • Caution: Do not use for fuel or oil transfer applications
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Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 19 Inch Length (Part No.87698)

Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 19 Inch Length

from

$14.99
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 – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 25 Inch Length (Part No.87606)

Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 25 Inch Length

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:
  • 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

Gates – Straight Heater Hose: EPDM, Direct Fit, 0.75" Inside Diameter (Sold by foot) (Part No.28412)

Straight Heater Hose: EPDM, Direct Fit, 0.75" Inside Diameter (Sold by foot)

from

$3.99
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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Gates – Premium Molded Heater Hose (Part No.19210)

Premium Molded Heater Hose

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:
  • 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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Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 16 Inch Length (Part No.86123)

Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 16 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
See More

Dayco – Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 12 Inch Length (Part No.80412)

Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 12 Inch Length

from

$24.99
Providing reliable service in applications requiring molded hoses, the Dayco 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
  • Meets Type EC electro-chemical requirements as specified in SAE J1684
See More

Gates – Premium Molded Heater Hose (Part No.19120)

Premium Molded Heater Hose

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:
  • 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
See More

Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 24 Inch Length (Part No.80404)

Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 24 Inch Length

from

$18.79
Providing reliable service in applications requiring molded hoses, the Dayco 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
  • Meets Type EC electro-chemical requirements as specified in SAE J1684
See More

Dorman – Molded Heater Hose: Steel (Part No.626-113)

Molded Heater Hose: Steel

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:
  • 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
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Gates – Premium 5/16 X 50 Ft Heater Hose by Gates (sold by each) (Part No.28408)

Premium 5/16 X 50 Ft Heater Hose by Gates (sold by each)

from

$1.79
Premium hose constructed for long service life.

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.
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Dorman – Heater Hose Connector (Part No.800-401)

Heater Hose Connector

from

$12.79
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.

Product Features:
  • Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
  • Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
  • Cost-effective solution – offers original equipment quality at competitive price
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
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Dorman – Heater Hose Retaining Clip 2002-90 GM 3.1L, 3.4L, 5.0L, 5.7L and 6.2L (Part No.800-405)

Heater Hose Retaining Clip 2002-90 GM 3.1L, 3.4L, 5.0L, 5.7L and 6.2L

from

$7.99
This HVAC heater hose retainer clip is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this HVAC heater hose retainer clip matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this clip is a reliable replacement for an original part that is missing or has failed due to fatigue
  • 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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Dorman – Help – Heater Hose Fitting for Belt tensioner (Part No.47027)

Heater Hose Fitting for Belt tensioner

from

$19.99
This replacement HVAC heater hose fitting is engineered to match the fit and durability of the stock hose fitting on specified vehicles. It is designed to withstand extreme temperatures to ensure leak-free service.

Product Features:
  • Ideal replacement – this HVAC heater hose fitting directly replaces the original fitting on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperatures and deliver leak-free performance
  • Cost-effective solution – offers original equipment quality at a competitive price
  • Quality tested – this part has undergone try-on testing to ensure a quality fit
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Dorman – Help – Heater Hose Elbow Aluminum (Part No.47065HP)

Heater Hose Elbow Aluminum

from

$17.49
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.

Product Features:
  • Upgraded replacement – these heater hose elbow connectors are made of aluminum instead of brittle plastic
  • Smart solution – reduces the likelihood of the same part failing again the same way
  • Complete set – includes both upper and lower elbow with O-ring seal
  • Application specific – made specifically for wide range of Chevrolet, Buick, Oldsmobile and Pontiac vehicles
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Dorman – Heater Hose Connector (sold by each) (Part No.800-401.5)

Heater Hose Connector (sold by each)

from

$42.49
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.

Product Features:
  • Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
  • Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
  • Cost-effective solution – offers original equipment quality at competitive price
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
See More

Dorman – Help – Heater Hose Fittings With O-Rings – Plastic (Part No.47065)

Heater Hose Fittings With O-Rings - Plastic

from

$7.99
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.

Product Features:
  • Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
  • Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
  • Cost-effective solution – offers original equipment quality at competitive price
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
See More

1991 Pontiac Grand Prix Heater Hoses

Maybe you’re in the middle of a full rebuild of that 1991 Pontiac Grand Prix. Maybe you just need a couple of Heater Hoses. Either way, Advance Auto Parts has 13 different Heater Hoses in our inventory ranging from $1.49 to $45.99. That means you can find the exact parts or products you need to keep that 1991 Pontiac Grand Prix running smoothly.

Heater Hoses are only as good as their brand. We stock 3 different brands to make sure you have plenty of trusted parts to choose from for your 1991 Pontiac Grand Prix. Dayco, Dorman, and Gates 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 Heater Hoses for your 1991 Pontiac Grand Prix, 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 Heater Hoses to keep your 1991 Pontiac Grand Prix 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!

Heater Hoses Brands To Make Your 1991 Pontiac Grand Prix Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1991 Pontiac Grand Prix demands trusted brand parts and products to keep it running. Many trusted brands of Heater Hoses make up Advance Auto Parts’ inventory, and all are ready to help make your Grand Prix the best it can be. Be sure to browse some of our top Heater Hoses brands and parts.

FAQs for 1991 Pontiac Grand Prix Heater Hoses

What are the most purchased Heater Hoses for the 1991 Pontiac Grand Prix?

Out of 13 Heater Hoses for the 1991 Pontiac Grand Prix, the most popular in our inventory are:
Heater Hose Retaining Clip 2002-90 GM 3.1L, 3.4L, 5.0L, 5.7L and 6.2L
from $7.99
This product is not rated
Heater Hose Retaining Clip 2002-90 GM 3.1L, 3.4L, 5.0L, 5.7L and 6.2L
Heater Hose Fittings
Molded Heater Hose: Steel/Rubber
from $45.99
This product is not rated
Molded Heater Hose: Steel/Rubber
Heater Hoses
Straight Heater Hose: EPDM, Direct Fit, 0.625" Inside Diameter (Sold by foot)
from $1.49
This product is not rated
Straight Heater Hose: EPDM, Direct Fit, 0.625" Inside Diameter (Sold by foot)
Heater Hoses