1991 Freightliner FLA086 FLA08684ST Heater Hoses

Keep Your 1991 Freightliner FLA086 FLA08684ST in Top Shape with a Quality Heater Hose

When it comes to maintaining or upgrading your 1991 Freightliner FLA086 FLA08684ST, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Heater Hose for your FLA086 FLA08684ST. We currently carry a top Heater Hose in stock that is built to last. Whether you’re replacing a damaged Heater Hose or looking to upgrade, our selection for the 1991 Freightliner FLA086 FLA08684ST ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Radiator Hoses and Serpentine and V Belts to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 1991 Freightliner FLA086 FLA08684ST running smoothly and looking great.

Essential 1991 Freightliner FLA086 FLA08684ST Heater Hoses

Dayco – Straight Radiator Hoses; EPDM Rubber, HD, 3 Inch Inner Dia. (sold by foot) (Part No.77300GL)

Straight Radiator Hoses; EPDM Rubber, HD, 3 Inch Inner Dia. (sold by foot)

from

$2.99
Designed for a wide range of heavy-duty truck applications where the routing is relatively straight, the Dayco straight radiator hose – H.D. is made with the highest quality woven mesh fabric reinforcement, neoprene cover and nitrile tube compounds to withstand the most corrosive elements in diesel engines. Providing protection from oil, coolants, coolant additives and heat, it has a temperature rating of -40?F (-40?C) to +212?F (+100?C).

Product Features:
  • Capable of withstanding extreme temperatures and high-pressure environments
  • Designed to meet SAE requirements J20R1, Class B Tube, Class C Cover, standard wall construction
  • Not suitable for fuel or oil transfer
  • PLEASE NOTE: Item is sold and priced by the foot. See store for details.
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Dayco – Straight Heater Hose; EPDM Rubber, 1 Inch Diameter (sold by foot) (Part No.80319)

Straight Heater Hose; EPDM Rubber, 1 Inch Diameter (sold by foot)

from

$4.99
This premium Dayco Insulone Heater Hose delivers heated coolant to the heater core with minimal heat loss. The synthetic EPDM rubber compounds and spiral reinforcement gives this hose excellent burst strength, heat resistance, and compatibility with all common coolants and coolant additives. A special compound used in the insulating layer provides an added measure of protection against heat loss. Built with a black cover, this hose is similar to SAE 20R3, Class D-2 with a temperature range of -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C). Note: NOT suitable for fuel or oil transfer.

Product Features:
  • Synthetic EPDM rubber compounds and spiral reinforcement provides excellent burst strength and heat resistance
  • Compatible with all common coolants and coolant additives
  • Insulating layer provides an added measure of protection against heat loss
  • Performs well in temperature ranges 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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Most Popular Heater Hose for 1991 Freightliner FLA086 FLA08684STs

Enhance your 1991 Freightliner FLA086 FLA08684ST with this popular Heater Hose we have in stock, for $4.99.

Dayco – Straight Heater Hose; EPDM Rubber, 1 Inch Diameter (sold by foot) (Part No.80319)

Straight Heater Hose; EPDM Rubber, 1 Inch Diameter (sold by foot)

from

$4.99
This premium Dayco Insulone Heater Hose delivers heated coolant to the heater core with minimal heat loss. The synthetic EPDM rubber compounds and spiral reinforcement gives this hose excellent burst strength, heat resistance, and compatibility with all common coolants and coolant additives. A special compound used in the insulating layer provides an added measure of protection against heat loss. Built with a black cover, this hose is similar to SAE 20R3, Class D-2 with a temperature range of -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C). Note: NOT suitable for fuel or oil transfer.

Product Features:
  • Synthetic EPDM rubber compounds and spiral reinforcement provides excellent burst strength and heat resistance
  • Compatible with all common coolants and coolant additives
  • Insulating layer provides an added measure of protection against heat loss
  • Performs well in temperature ranges 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

FAQs for 1991 Freightliner FLA086 FLA08684ST Heater Hoses

What’s the price range for 1991 Freightliner FLA086 FLA08684ST Heater Hoses?

We currently have just one Heater Hoses for the 1991 Freightliner FLA086 FLA08684ST in stock: Straight Heater Hose; EPDM Rubber, 1 Inch Diameter (sold by foot) and it costs $4.99.

Does Advance Auto Parts sell Heater Hoses for other Freightliner FLA086 FLA08684ST model years?

Yes, we carry Heater Hoses for 2 model years of Freightliner FLA086 FLA08684STs between 1990 and 1993. The following model years are the most popular for Heater Hose purchases: 1992, 1990, and 1993.

Does Advance Auto Parts sell Heater Hoses for any other 1991 Freightliner models?

Yes. We stock Heater Hoses for 11 other popular 1991 Freightliner models. Some of the most popular are 1991 FLA086 FLA08664S Heater Hoses, 1991 FLA086 FLA08662ST Heater Hoses, 1991 FLA086 FLA08642ST Heater Hoses, 1991 FLA086 FLA08684S Heater Hoses, and 1991 FLA086 FLA08664ST Heater Hoses.

What types of Heater Hoses do you sell for my 1991 Freightliner FLA086 FLA08684ST?

We currently have just 1 Heater Hose in stock for a 1991 Freightliner FLA086 FLA08684ST, and as of 11/2/25, it is a Heater Hose.

Can I get help with 1991 Freightliner FLA086 FLA08684ST Heater Hose orders?

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

What is your return policy for Freightliner FLA086 FLA08684ST Heater Hoses?

Advance Auto Parts keeps returns simple. For new Freightliner FLA086 FLA08684ST Heater Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.