1999 GMC Sierra 1500 Heater Hoses
Keep Your 1999 GMC Sierra 1500 in Top Shape with Quality Heater Hoses
Whether you’re repairing or upgrading your Heater Hose, using high-quality parts is key to keeping your 1999 GMC Sierra 1500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Heater Hoses and Heater Hose Fittings. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Top-Rated Heater Hoses from Trusted Brands
Looking for a reliable Heater Hose? We’ve got you covered with options from brands you know and trust like Dayco and Dorman. For example, Dayco Heater Hoses start at just $11.99 with an average 4.5 star rating. Dorman offer similar pricing and quality, backed by strong customer feedback. With over 322 reviews and a solid 5 star average, you can shop with confidence knowing other GMC Sierra 1500 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1999 GMC Sierra 1500 Heater Hose at Advance Auto Parts is around $33.81, with a range that starts at $11.99 and goes up to $64.24. With 17 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose, Molded Heater Hose: Rubber/Plastic, and Molded Heater Hose: Rubber start at just $12.49 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Heater Hose, don’t forget to check out other key components like Belt Tensioners and Pulleys. At Advance Auto Parts, we’re here to help you keep your 1999 GMC Sierra 1500 in peak condition, inside and out.
Find Your Specific 1999 GMC Sierra 1500 Heater Hoses
Looking for the perfect Heater Hose for your 1999 GMC Sierra 1500? You’re in the right place. Below, you’ll find links to various types of Heater Hoses that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Heater Hoses, ensuring durability and a precise fit for your GMC Sierra 1500. Whether you’re driving a 1999 model or another popular model year like
2010,
2011,
2012,
2013,
2014,
2015,
2016,
2017, and
2018, we’ve got you covered. Purchasing Heater Hoses from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Heater Hoses that fit your vehicle.
Essential 1999 GMC Sierra 1500 Heater Hoses
Dorman – Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (Part No.800-409HP)
from
$24.49
HVAC heater hose connectors fail when the plastic material fatigues from heat and vibration. This upgraded Dorman OE FIX replacement connector is made from corrosion-resistant stainless steel for greater durability.
Product Features:
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Product Features:
- Improved design – this HVAC heater hose connector has been redesigned for greater durability the original equipment part.
- Durable construction – this heater hose connector is made of stainless steel instead of the original equipment connector to reduce damage from heat fatigue and vibration.
- Easy to install – matches the original equipment form and dimensions for a simple replacement
- Quality tested – this part has undergone try-on, corrosion, heat and pressure testing to ensure a quality fit and long service life
Dorman – Heater Hose Connector (Part No.800-916)
from
$13.99
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:
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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
Dorman – Heater Hose Connector (Part No.800-411)
from
$14.29
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:
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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
Dorman – Heater Hose Connecto (Part No.R3036834786DOR)
from
$37.86
Heater Hose Connecto
Dorman – Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (Part No.800-409)
from
$12.49
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:
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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
Dorman – Coolant HVAC Connector (Part No.800-917)
from
$15.99
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:
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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
Gates – Quick-Lok½ Heater Hose Connector (Part No.28500)
from
$19.49
Product Features:
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- Used on cars and trucks when the original quick connector fails, or the replacement hose does not include them
- Manufactured w/ a new design that retains the O-ring so they cannot get lost or damaged
- Fit just as the OEM quick connects for easy installation as well as removal
Dorman – Heater Hose Connecto (Part No.R3036834783DOR)
from
$10.87
Heater Hose Connecto
Dorman – Heater Hose Connecto (Part No.R3036834787DOR)
from
$36.35
Heater Hose Connecto
Dorman – Heater Hose (Part No.R30301694574DOR)
from
$48.52
Heater Hose
Gates – Premium Molded Heater Hose (Part No.12117)
from
$59.99
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 – Molded 90 Degree Heater Hose (Part No.28474)
from
$14.79
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:
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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
Gates – Premium Molded Heater Hose (Part No.18126)
from
$35.99
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
Dorman – Molded Heater Hose: Rubber, OE Fix, Upgraded Material (Part No.626-683)
from
$83.99
Original equipment HVAC heater hose assemblies often fail due to cracks in the plastic Y-connector. This Dorman OE FIX replacement features an upgraded aluminum Y-connector to prevent similar failures in the future.
Product Features:
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Product Features:
- Upgraded material – this replacement engine heater hose assembly features an aluminum Y-connector for added durability
- Application specific – designed to match the original fit and function of heater hoses on certain vehicle years, makes and models
- Complete replacement – includes necessary clamps for easy installation
- Quality engineering – designed in the United States and backed by decades of automotive aftermarket experience
Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 18 Inch Length (Part No.80403)
from
$11.99
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:
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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
- Meets Type EC electro-chemical requirements as specified in SAE J1684
ACDelco – Heater Hose (Part No.R3030514614ACD)
from
$88.34
Heater Hose
Gates – Premium Modular Coolant Hose (Part No.24479)
from
$75.99
Product Features:
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- 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
Dorman – Molded Heater Hose: Rubber (Part No.626-618)
from
$38.99
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
Dayco – Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 20 Inch Length (Part No.87605)
from
$12.49
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
Dorman – Heater Hose Set (Part No.R30311603295DOR)
from
$33.64
Heater Hose Set
Dorman – Molded Heater Hose: Rubber/Plastic (Part No.626-111)
from
$60.99
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 – Engine Heater Hose Assembly (Part No.626-780)
from
$54.99
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.19025)
from
$16.49
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 – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 6 Inch Length (Part No.80400)
from
$18.29
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:
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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
- Meets Type EC electro-chemical requirements as specified in SAE J1684
Dayco – Molded Heater Hose; EPDM Rubber, 1/4 Inch Diameter, 29 1/2 Inch Length (Part No.86836)
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:
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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
ACDelco – Heater Hose (Part No.R3030514567ACD)
from
$90.92
Heater Hose
Dorman – Molded Heater Hose: Rubber (Part No.626-557)
from
$51.99
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
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 3.50" Long, .69" Diameter (Part No.A71370)
from
$11.29
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:
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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
Popular 1999 GMC Sierra 1500 Heater Hoses Categories
Most Popular Heater Hoses for 1999 GMC Sierra 1500s
Enhance your 1999 GMC Sierra 1500 with one of the 14 Heater Hoses we have in stock, starting at just $11.99.
Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 18 Inch Length (Part No.80403)
from
$11.99
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:
See More
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
Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 28 Inch Length (Part No.87848)
from
$40.99
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:
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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, 23/32 Inch Diameter, 12 Inch Length (Part No.88412)
from
$60.99
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:
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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: Rubber/Plastic (Part No.626-111)
from
$60.99
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:
See More
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
Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 6 Inch Length (Part No.80400)
from
$18.29
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:
See More
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
Dorman – Molded Heater Hose: Rubber (Part No.626-557)
from
$51.99
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:
See More
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/Rubber (Part No.626-617)
from
$52.99
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: Rubber (Part No.626-618)
from
$38.99
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:
See More
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
Dayco – Molded Heater Hose; EPDM Rubber, 1/4 Inch Diameter, 29 1/2 Inch Length (Part No.86836)
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:
See More
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
Gates – Premium Molded Heater Hose (Part No.18126)
from
$35.99
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:
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
Gates – Premium Molded Heater Hose (Part No.18623)
from
$13.79
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:
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 (Part No.R30301220888DAY)
from
$64.24
Dayco, Heater Hose
Gates – Molded 90 Degree Heater Hose (Part No.28469)
from
$18.99
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:
See More
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
Gates – Premium Molded Heater Hose (Part No.19025)
from
$16.49
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
Best-Selling 1999 GMC Sierra 1500 Heater Hose Fittings
Upgrade your Sierra 1500 with one of our 3 best-selling Heater Hose Fittings, earning an average 4.5 stars rating across 57 reviews.
Dorman – Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (Part No.800-409)
from
$12.49
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:
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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
Gates – Quick-Lok½ Heater Hose Connector (Part No.28500)
from
$19.49
Product Features:
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- Used on cars and trucks when the original quick connector fails, or the replacement hose does not include them
- Manufactured w/ a new design that retains the O-ring so they cannot get lost or damaged
- Fit just as the OEM quick connects for easy installation as well as removal
Dorman – Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (Part No.800-409HP)
from
$24.49
HVAC heater hose connectors fail when the plastic material fatigues from heat and vibration. This upgraded Dorman OE FIX replacement connector is made from corrosion-resistant stainless steel for greater durability.
Product Features:
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Product Features:
- Improved design – this HVAC heater hose connector has been redesigned for greater durability the original equipment part.
- Durable construction – this heater hose connector is made of stainless steel instead of the original equipment connector to reduce damage from heat fatigue and vibration.
- Easy to install – matches the original equipment form and dimensions for a simple replacement
- Quality tested – this part has undergone try-on, corrosion, heat and pressure testing to ensure a quality fit and long service life
Top-Rated Heater Hose Brands For Your 1999 GMC Sierra 1500
When it comes to finding the perfect Heater Hose for your 1999 GMC Sierra 1500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 trusted brands. We carry the most popular Heater Hose brands including Dayco and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $11.99. Purchasing a Heater Hose from us here at Advance Auto Parts is a smart move for both you and your 1999 GMC Sierra 1500, providing peace of mind with parts that meet or exceed OEM standards.
Popular Dayco 1999 GMC Sierra 1500 Heater Hoses
If you’re looking for a top-quality Heater Hose for your 1999 GMC Sierra 1500, Advance Auto Parts has exactly what you need with our selection of Dayco Heater Hoses. We have 3 Dayco Heater Hoses in stock for this fitment, all known for their durability and precision fit. With prices starting at just $11.99 and an average cost of $37.99, you’ll find the perfect Heater Hose for your needs and budget. Dayco Heater Hoses for the 1999 GMC Sierra 1500 come highly rated, with over 54 customer reviews and an impressive average rating of 4.5 stars. Choosing a Dayco Heater Hose from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$40.99
(1)
Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 28 Inch Length
“fit great – put the end next to the firewall on first though!”
from
$11.99
(4)
Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 18 Inch Length
“This was an EXACT fit in a 1993 Lexus GS300 with the 2JZ engine. The Heater sending hose coming off the back of the block was OEM and in need of repla”
Top-Quality Dorman 1999 GMC Sierra 1500 Heater Hoses
For those in search of a high-quality Heater Hose for their 1999 GMC Sierra 1500, Advance Auto Parts offers a great selection of Dorman Heater Hoses. With 2 Dorman Heater Hoses in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Heater Hoses start at just $12.49, with an average price of $36.74, giving you a range of options to suit your budget. Backed by over 67 customer ratings and an average rating of 4.2 stars, Dorman Heater Hoses provide both reliability and excellent performance. Choosing a Dorman Heater Hose from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
FAQs for 1999 GMC Sierra 1500 Heater Hoses
What are the best-selling Heater Hoses for 1999 GMC Sierra 1500s?
Out of 17 Heater Hoses that fit 1999 GMC Sierra 1500s, the following parts are the top sellers:
- Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (22149402) – $12.49
- Molded Heater Hose: Rubber/Plastic (10719704) – $60.99
- Molded Heater Hose: Rubber (11839739) – $51.99
What’s the price range for 1999 GMC Sierra 1500 Heater Hoses?
The prices of Heater Hoses for the 1999 GMC Sierra 1500 range from $11.99 up to $64.24 for the most premium parts.
What is the average price of a Heater Hoses Heater Hose for a 1999 GMC Sierra 1500?
The average price for Heater Hoses for the 1999 GMC Sierra 1500 is $33.81. Keep in mind the variety of part types within our Heater Hose category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Heater Hoses for other GMC Sierra 1500 model years?
What are the cheapest Heater Hoses for my 1999 GMC Sierra 1500?
The cheapest 1999 GMC Sierra 1500 Heater Hoses we carry are:
- Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 18 Inch Length (5197074) – $11.99
- Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (22149402) – $12.49
- Premium Molded Heater Hose (10909437) – $13.79
- Premium Molded Heater Hose (10510790) – $16.49
- Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 6 Inch Length (5197066) – $18.29
Does Advance Auto Parts sell Heater Hoses for any other 1999 GMC models?
Yes. We stock Heater Hoses for 19 other popular 1999 GMC models. Some of the most popular are 1999 Yukon Heater Hoses, 1999 Savana 1500 Heater Hoses, 1999 Savana 2500 Heater Hoses, 1999 Jimmy Heater Hoses, and 1999 K2500 Heater Hoses.
What are the top-rated Heater Hoses that fit the 1999 GMC Sierra 1500?
Based on 322 reviews by customers, our 1999 GMC Sierra 1500 Heater Hoses have an average customer rating of 5 stars. These are the highest-rated categories of Heater Hoses for the 1999 GMC Sierra 1500 and their top-rated products:
- Heater Hose Fittings
- Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (22149402) – $12.49
- Heater Hoses
- Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 18 Inch Length (5197074) – $11.99
- Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 28 Inch Length (10235686) – $40.99
- Molded Heater Hose: Rubber/Plastic (10719704) – $60.99
What types of Heater Hoses do you sell for my 1999 GMC Sierra 1500?
As of 4/10/25, these are some of the most in-demand types of Heater Hoses for a 1999 GMC Sierra 1500:
Can I get help with 1999 GMC Sierra 1500 Heater Hose orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Heater Hoses and more.
What is your return policy for GMC Sierra 1500 Heater Hoses?
Advance Auto Parts keeps returns simple. For new GMC Sierra 1500 Heater Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.