1999 Oldsmobile Silhouette Heater Hoses

Keep Your 1999 Oldsmobile Silhouette 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 Oldsmobile Silhouette looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Heater Hoses, Fuel Injection Throttle Body 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 $29.99 with an average 4.5 star rating. Dorman offer similar pricing and quality, backed by strong customer feedback. With over 33 reviews and a solid 3 star average, you can shop with confidence knowing other Oldsmobile Silhouette owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1999 Oldsmobile Silhouette Heater Hose at Advance Auto Parts is around $29.96, with a range that starts at $0.99 and goes up to $96.99. With 12 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Quick-Lok Heater Hose Connector, Molded Heater Hose; EPDM Rubber, 5/16 Inch Diameter, 8 1/4 Inch Length, and Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 8 Inch Length start at just $19.79 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 Oldsmobile Silhouette in peak condition, inside and out.

Essential 1999 Oldsmobile Silhouette Heater Hoses

GM Genuine Parts – Fuel Injection Throttle Body Heater Hose (Part No.24504913)

Fuel Injection Throttle Body Heater Hose

from

$19.79
GM Genuine Parts Fuel Injection Throttle Body Heater Hoses are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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Dorman – Heater Hose Connector (Part No.800-403)

Heater Hose Connector

from

$16.99
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
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Dorman – Help – Heater Hose Connector – 5/8 In. Tube x 5/8 In. Hose (Part No.47165)

Heater Hose Connector - 5/8 In. Tube x 5/8 In. Hose

from

$16.49
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
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Dorman – Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (OE Fix) (Part No.800-409HP)

Coolant Connector - Inlet/Outlet 3/4In. Tube x 5/8In. Hose (OE Fix)

from

$27.49
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:
  • 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
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Dorman – Heater Hose Connector (Part No.800-401)

Heater Hose Connector

from

$14.99
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

Dorman – Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (Part No.800-409)

Coolant Connector - Inlet/Outlet 3/4In. Tube x 5/8In. Hose

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:
  • 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 Connectors – 5/8 In. Hose X 1 In.-14 Uns X 2 In. Long Nipple – Metal (Part No.56359)

Heater Hose Connectors - 5/8 In. Hose X 1 In.-14 Uns X 2 In. Long Nipple - Metal

from

$13.99
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
See More

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

$9.99
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 – Heater Hose Fitting 5/8 In. Hose X 1 In. – 14 Uns X 2 In. Long (Part No.500-048.1)

Heater Hose Fitting 5/8 In. Hose X 1 In. - 14 Uns X 2 In. Long

from

$6.99
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
See More

Dorman – Metal Heater Hose Connector 5/8 X 5/8 (OE Fix) (Part No.800-403HP)

Metal Heater Hose Connector 5/8 X 5/8 (OE Fix)

from

$20.99
When the plastic original equipment HVAC heater hose connector becomes brittle from heat and abrasion, and cracks, leaks and breaks free from the heater hose, the dealership solution is a similar plastic replacement. Avoid a similar future failure by upgrading your repair with this more rugged Dorman OE FIX metal connector. Designed to match the performance of the factory design but engineered to far exceed its service life, this sturdy and reliable replacement connector is manufactured to precise standards for a seamless fit on specified Ford, GM and Saab vehicles.

Product Features:
  • Upgraded repair – this HVAC heater hose connector is manufactured from rugged metal and is designed to help provide a longer lasting repair than the original equipment plastic connector
  • Prevents leaks – engineered to resist the heat and abrasion that can eventually cause a plastic heater hose connector to crack and fail
  • Direct replacement – manufactured to precise standards for a seamless fit on specified Ford, GM and Saab vehicles
  • Performance tested – this upgraded connector design has been rigorously pressure-tested for reliable performance
See More

Dorman – Heater Hose Connector (Sold by each) (Part No.800-401.5)

Heater Hose Connector (Sold by each)

from

$44.99
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

Gates – Quick-Lok Heater Hose Connector (Part No.28500)

Quick-Lok Heater Hose Connector

from

$19.79
Quick-Lok(R)Connectors provide a fast, easy way to connect replacement heater hose on cars and trucks.

Product Features:
  • Used on cars and trucks when the original quick connector fails, or the replacement hose does not include them
  • Made with a new design that holds the O-ring so they can’t be lost or damaged
  • Fit just as the OEM quick connects for easy installation as well as removal
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Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 8 Inch Length (Part No.87675)

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

from

$29.99
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, 5/16 Inch Diameter, 8 1/4 Inch Length (Part No.86800)

Molded Heater Hose; EPDM Rubber, 5/16 Inch Diameter, 8 1/4 Inch Length

from

$36.99
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, 12 1/4 Inch Length (Part No.87668)

Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 12 1/4 Inch Length

from

$20.99
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 – Straight Heater Hose; EPDM Rubber, 5/8 Inch Diameter (sold by foot) (Part No.80271)

Straight Heater Hose; EPDM Rubber, 5/8 Inch Diameter (sold by foot)

from

$1.99
Specifically designed to carry the heated coolant from the engine block to the heater core under the dashboard and return it to the engine, this Dayco Standard Heater Hose is constructed using all EPDM compounds and spiral reinforcement for high burst strength and excellent heat resistance. Made for general service on light trucks and passenger cars, this hose is similar to SAE 20R3, Class D-2 and has a temperature rating of -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C). This Dayco Standard Heater Hose is compatible with all common coolant and coolant additives. Note: This hose is NOT suitable for fuel or oil transfer.

Product Features:
  • Specifically designed to be compatible with all common coolants and coolant additives
  • Constructed using all EPDM compounds and spiral reinforcements
  • Similar to SAE 20R3, Class D-2
  • Has a high burst strength and excellent heat resistance of -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C)
  • PLEASE NOTE: Item is sold and priced by the foot. See store for details.
See More

Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 10 Inch Length (Part No.87673)

Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 10 Inch Length

from

$34.99
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, 3/4 Inch Diameter, 16 1/4 Inch Length (Part No.88356)

Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 16 1/4 Inch Length

from

$20.29
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 – Straight Heater Hose; EPDM Rubber, 3/4 Inch Diameter (sold by foot) (Part No.80273)

Straight Heater Hose; EPDM Rubber, 3/4 Inch Diameter (sold by foot)

from

$1.29
Specifically designed to carry the heated coolant from the engine block to the heater core under the dashboard and return it to the engine, this Dayco Standard Heater Hose is constructed using all EPDM compounds and spiral reinforcement for high burst strength and excellent heat resistance. Made for general service on light trucks and passenger cars, this hose is similar to SAE 20R3, Class D-2 and has a temperature rating of -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C). This Dayco Standard Heater Hose is compatible with all common coolant and coolant additives. Note: This hose is NOT suitable for fuel or oil transfer.

Product Features:
  • Specifically designed to be compatible with all common coolants and coolant additives
  • Constructed using all EPDM compounds and spiral reinforcements
  • Similar to SAE 20R3, Class D-2
  • Has a high burst strength and excellent heat resistance of -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C)
  • PLEASE NOTE: Item is sold and priced by the foot. See store for details.
See More

Dayco – Molded Heater Hose; EPDM Rubber, 19/32 Inch Diameter, 9 1/2 Inch Length (Part No.87764)

Molded Heater Hose; EPDM Rubber, 19/32 Inch Diameter, 9 1/2 Inch Length

from

$30.49
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, 23/32 Inch Diameter, 9 Inch Length (Part No.86071)

Molded Heater Hose; EPDM Rubber, 23/32 Inch Diameter, 9 Inch Length

from

$29.99
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, 23/32 Inch Diameter, 8 Inch Length (Part No.88406)

Molded Heater Hose; EPDM Rubber, 23/32 Inch Diameter, 8 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

Dorman – Molded Heater Hose: Steel (Part No.626-107)

Molded Heater Hose: Steel

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:
  • 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
See More

Dayco – Straight Heater Hose; EPDM Rubber, 5/16 Inch Diameter (sold by foot) (Part No.80258)

Straight Heater Hose; EPDM Rubber, 5/16 Inch Diameter (sold by foot)

from

$0.99
Specifically designed to carry the heated coolant from the engine block to the heater core under the dashboard and return it to the engine, this Dayco Standard Heater Hose is constructed using all EPDM compounds and spiral reinforcement for high burst strength and excellent heat resistance. Made for general service on light trucks and passenger cars, this hose is similar to SAE 20R3, Class D-2 and has a temperature rating of -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C). This Dayco Standard Heater Hose is compatible with all common coolant and coolant additives. Note: This hose is NOT suitable for fuel or oil transfer.

Product Features:
  • Specifically designed to be compatible with all common coolants and coolant additives
  • Constructed using all EPDM compounds and spiral reinforcements
  • Similar to SAE 20R3, Class D-2
  • Has a high burst strength and excellent heat resistance of -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C)
  • PLEASE NOTE: Item is sold and priced by the foot. See store for details.
See More

Dorman – Molded Heater Hose: Plastic/Rubber (Part No.626-531)

Molded Heater Hose: Plastic/Rubber

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
See More

Most Popular Heater Hoses for 1999 Oldsmobile Silhouettes

Enhance your 1999 Oldsmobile Silhouette with one of the 7 Heater Hoses we have in stock, starting at just $0.99.

Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 8 Inch Length (Part No.87675)

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

from

$29.99
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

Dorman – Molded Heater Hose: Plastic/Rubber (Part No.626-531)

Molded Heater Hose: Plastic/Rubber

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
See More

Dayco – Molded Heater Hose; EPDM Rubber, 5/16 Inch Diameter, 8 1/4 Inch Length (Part No.86800)

Molded Heater Hose; EPDM Rubber, 5/16 Inch Diameter, 8 1/4 Inch Length

from

$36.99
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, 23/32 Inch Diameter, 8 Inch Length (Part No.88406)

Molded Heater Hose; EPDM Rubber, 23/32 Inch Diameter, 8 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

Dorman – Molded Heater Hose: Steel (Part No.626-107)

Molded Heater Hose: Steel

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:
  • 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
See More

Dayco – Molded Heater Hose; EPDM Rubber, 19/32 Inch Diameter, 9 1/2 Inch Length (Part No.87764)

Molded Heater Hose; EPDM Rubber, 19/32 Inch Diameter, 9 1/2 Inch Length

from

$30.49
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
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Dayco – Straight Heater Hose; EPDM Rubber, 5/16 Inch Diameter (sold by foot) (Part No.80258)

Straight Heater Hose; EPDM Rubber, 5/16 Inch Diameter (sold by foot)

from

$0.99
Specifically designed to carry the heated coolant from the engine block to the heater core under the dashboard and return it to the engine, this Dayco Standard Heater Hose is constructed using all EPDM compounds and spiral reinforcement for high burst strength and excellent heat resistance. Made for general service on light trucks and passenger cars, this hose is similar to SAE 20R3, Class D-2 and has a temperature rating of -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C). This Dayco Standard Heater Hose is compatible with all common coolant and coolant additives. Note: This hose is NOT suitable for fuel or oil transfer.

Product Features:
  • Specifically designed to be compatible with all common coolants and coolant additives
  • Constructed using all EPDM compounds and spiral reinforcements
  • Similar to SAE 20R3, Class D-2
  • Has a high burst strength and excellent heat resistance of -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C)
  • PLEASE NOTE: Item is sold and priced by the foot. See store for details.
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Best-Selling 1999 Oldsmobile Silhouette Fuel Injection Throttle Body Heater Hose

Upgrade your Silhouette with our best-selling Fuel Injection Throttle Body Heater Hose.

GM Genuine Parts – Fuel Injection Throttle Body Heater Hose (Part No.24504913)

Fuel Injection Throttle Body Heater Hose

from

$19.79
GM Genuine Parts Fuel Injection Throttle Body Heater Hoses are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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Top-Quality Heater Hose Fittings for 1999 Oldsmobile Silhouettes

Choose a high-quality OEM or aftermarket Heater Hose Fitting for Oldsmobile Silhouettes and enjoy top-notch performance from $16.49.

Dorman – Heater Hose Connector (Part No.800-403)

Heater Hose Connector

from

$16.99
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
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Gates – Quick-Lok Heater Hose Connector (Part No.28500)

Quick-Lok Heater Hose Connector

from

$19.79
Quick-Lok(R)Connectors provide a fast, easy way to connect replacement heater hose on cars and trucks.

Product Features:
  • Used on cars and trucks when the original quick connector fails, or the replacement hose does not include them
  • Made with a new design that holds the O-ring so they can’t be lost or damaged
  • Fit just as the OEM quick connects for easy installation as well as removal
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Dorman – Help – Heater Hose Connector – 5/8 In. Tube x 5/8 In. Hose (Part No.47165)

Heater Hose Connector - 5/8 In. Tube x 5/8 In. Hose

from

$16.49
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
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Dorman – Metal Heater Hose Connector 5/8 X 5/8 (OE Fix) (Part No.800-403HP)

Metal Heater Hose Connector 5/8 X 5/8 (OE Fix)

from

$20.99
When the plastic original equipment HVAC heater hose connector becomes brittle from heat and abrasion, and cracks, leaks and breaks free from the heater hose, the dealership solution is a similar plastic replacement. Avoid a similar future failure by upgrading your repair with this more rugged Dorman OE FIX metal connector. Designed to match the performance of the factory design but engineered to far exceed its service life, this sturdy and reliable replacement connector is manufactured to precise standards for a seamless fit on specified Ford, GM and Saab vehicles.

Product Features:
  • Upgraded repair – this HVAC heater hose connector is manufactured from rugged metal and is designed to help provide a longer lasting repair than the original equipment plastic connector
  • Prevents leaks – engineered to resist the heat and abrasion that can eventually cause a plastic heater hose connector to crack and fail
  • Direct replacement – manufactured to precise standards for a seamless fit on specified Ford, GM and Saab vehicles
  • Performance tested – this upgraded connector design has been rigorously pressure-tested for reliable performance
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Top-Rated Heater Hose Brands For Your 1999 Oldsmobile Silhouette

When it comes to finding the perfect Heater Hose for your 1999 Oldsmobile Silhouette, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 4 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 $16.99. Purchasing a Heater Hose from us here at Advance Auto Parts is a smart move for both you and your 1999 Oldsmobile Silhouette, providing peace of mind with parts that meet or exceed OEM standards.

Popular Dayco 1999 Oldsmobile Silhouette Heater Hoses

If you’re looking for a top-quality Heater Hose for your 1999 Oldsmobile Silhouette, Advance Auto Parts has exactly what you need with our selection of Dayco Heater Hoses. We have 1 Dayco Heater Hoses in stock for this fitment, all known for their durability and precision fit. With prices starting at just $29.99, you’ll find the perfect Heater Hose for your needs and budget. Dayco Heater Hoses for the 1999 Oldsmobile Silhouette come highly rated, with over 1 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.
Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 8 Inch Length
from $29.99
(1)
Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 8 Inch Length
“GREAT PART , HAD TO CUT TO MAKE IT FIT MY VEHICLE. BUT I EXPECTED THAT.”

Top-Quality Dorman 1999 Oldsmobile Silhouette Heater Hoses

For those in search of a high-quality Heater Hose for their 1999 Oldsmobile Silhouette, Advance Auto Parts offers a great selection of Dorman Heater Hoses. With 1 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 $16.99, giving you a range of options to suit your budget. Backed by over 26 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.
Heater Hose Connector
from $16.99
(26)
Heater Hose Connector
“Handy but fairly easy to overtighten and strip.”

FAQs for 1999 Oldsmobile Silhouette Heater Hoses

What are the best-selling Heater Hoses for 1999 Oldsmobile Silhouettes?

Out of 12 Heater Hoses that fit 1999 Oldsmobile Silhouettes, the following parts are the top sellers:

What’s the price range for 1999 Oldsmobile Silhouette Heater Hoses?

The prices of Heater Hoses for the 1999 Oldsmobile Silhouette range from $0.99 up to $96.99 for the most premium parts.

What is the average price of a Heater Hose for a 1999 Oldsmobile Silhouette?

The average price for Heater Hoses for the 1999 Oldsmobile Silhouette is $29.96. 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 Oldsmobile Silhouette model years?

Yes, we carry Heater Hoses for 8 model years of Oldsmobile Silhouettes between 1990 and 1998. The following model years are the most popular for Heater Hose purchases: 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, and 1990.

What are the cheapest Heater Hoses for my 1999 Oldsmobile Silhouette?

The cheapest 1999 Oldsmobile Silhouette Heater Hoses we carry are:

Does Advance Auto Parts sell Heater Hoses for any other 1999 Oldsmobile models?

Yes. We stock Heater Hoses for 6 other popular 1999 Oldsmobile models. Some of the most popular are 1999 Bravada Heater Hoses, 1999 Cutlass Heater Hoses, 1999 88 Heater Hoses, 1999 Intrigue Heater Hoses, and 1999 Alero Heater Hoses.

What are the top-rated Heater Hoses that fit the 1999 Oldsmobile Silhouette?

Based on 33 reviews by customers, our 1999 Oldsmobile Silhouette Heater Hoses have an average customer rating of 3 stars. These are the highest-rated categories of Heater Hoses for the 1999 Oldsmobile Silhouette and their top-rated products:

What types of Heater Hoses do you sell for my 1999 Oldsmobile Silhouette?

As of 11/2/25, these are some of the most in-demand types of Heater Hoses for a 1999 Oldsmobile Silhouette:

Can I get help with 1999 Oldsmobile Silhouette Heater Hose orders?

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

What is your return policy for Oldsmobile Silhouette Heater Hoses?

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