1981 Isuzu I-MARK Heater Hoses
Keep Your 1981 Isuzu I-MARK in Top Shape with a Quality Heater Hose
When it comes to maintaining or upgrading your 1981 Isuzu I-MARK, 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 I-MARK. 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 1981 Isuzu I-MARK 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 Oil Cooler 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 1981 Isuzu I-MARK running smoothly and looking great.
Find Your Specific 1981 Isuzu I-MARK Heater Hoses
Looking for the perfect Heater Hose for your 1981 Isuzu I-MARK? You’re in the right place. Below, you’ll find a Heater Hose from a trusted manufacturer that is a perfect fit for 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 Isuzu I-MARK. Whether you’re driving a 1981 model or another popular model year like
1982,
1983,
1984,
1985,
1986,
1987,
1988, and
1989, 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 1981 Isuzu I-MARK Heater Hoses
Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 10 Inch Length (Part No.87673)
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:
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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 – Straight Heater Hose; EPDM Rubber, 3/8 Inch Diameter (sold by foot) (Part No.80259)
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:
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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.
Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 15 1/2 Inch Length (Part No.86121)
from
$33.99
Providing reliable service in applications requiring molded hoses in small diameters, the Dayco small I.D. heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the “quick connect” end allows for fast, convenient installation.
Product Features:
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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
Gates – Molded 90 Degree Heater Hose (Part No.28466)
from
$19.99
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:
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Product Features:
- Resistant to electrochemical degradation and water permeation
- Use with heating pipe connectors and bulk heating hoses to create custom assemblies
- Compatible for coolant, air, and water applications
- EPDM tube and lid, reinforced with synthetic fibers
- SAE 20R3 CE Class D1, SAE 20R4 CE Class D1
- temperature range Deg. F to +275 degrees F (-40 degrees C to +135 degrees C)
- Caution: Do not use for fuel or oil transfer applications
Dayco – Molded Heater Hose; EPDM Rubber, 1/2 Inch Diameter, 6 Inch Length (Part No.80393)
from
$11.79
Providing reliable service in applications requiring molded hoses, the Dayco heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the “quick connect” end allows for fast, convenient installation.
Product Features:
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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
Gates – Safety Stripe Standard Straight Heater Hose (Sold by foot) (Part No.28409)
from
$2.49
Premium hose constructed for long service life.
Product Features:
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Product Features:
- Good resistance to high temperatures for long periods of time, which prolongs the service life
- Meets SAE 20R3 Standard Wall Class D-2 requirements
- Temperature range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
- Caution: Do not use for fuel or oil transfer applications
- PLEASE NOTE: Item is priced and sold by the foot. See store for details.
Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 6 Inch Length (Part No.80400)
from
$19.49
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, 10 Inch Length (Part No.87634)
from
$10.49
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 – Molded Heater Hose: EPDM, Direct Fit, 0.62" Inside Diameter (Part No.18774)
from
$31.99
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:
- It has all the quality characteristics of Gates molded coolant hose and is similar to OEM specifications.
- Designed to resist electrochemical degradation, the main cause of casing failure
- EPDM tube, synthetic fiber reinforcement, EPDM lid
- Meets SAE 20R3 Type EC Class D-1 and D-2 specifications
- Temperature range: -40 Deg. F to +275 Deg. F (-40 Deg. F (+135 Deg. C)
- Note: Gates recommends replacing clamps and connectors every time a new cooling hose is installed.
- Warning: Do not use for fuel or oil transfer applications
Popular 1981 Isuzu I-MARK Heater Hoses Categories
Most Popular Heater Hose for 1981 Isuzu I-MARKs
Enhance your 1981 Isuzu I-MARK with this popular Heater Hose we have in stock, for $10.49.
Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 10 Inch Length (Part No.87634)
from
$10.49
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
FAQs for 1981 Isuzu I-MARK Heater Hoses
What’s the price range for 1981 Isuzu I-MARK Heater Hoses?
We currently have just one Heater Hoses for the 1981 Isuzu I-MARK in stock: Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 10 Inch Length and it costs $10.49.
Does Advance Auto Parts sell Heater Hoses for other Isuzu I-MARK model years?
What types of Heater Hoses do you sell for my 1981 Isuzu I-MARK?
We currently have just 1 Heater Hose in stock for a 1981 Isuzu I-MARK, and as of 6/2/26, it is a Heater Hose.
Can I get help with 1981 Isuzu I-MARK Heater Hose orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Isuzu Heater Hoses and more.
What is your return policy for Isuzu I-MARK Heater Hoses?
Advance Auto Parts keeps returns simple. For new Isuzu I-MARK Heater Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.