1998 Peterbilt 378 Radiator Hoses
Keep Your 1998 Peterbilt 378 in Top Shape with Quality Radiator Hoses
Whether you’re repairing or upgrading your Radiator Hose, using high-quality parts is key to keeping your 1998 Peterbilt 378 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Coolant Hoses and By-Pass Hoses. 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.
Competitive Prices and Extensive Inventory
The average price for a 1998 Peterbilt 378 Radiator Hose at Advance Auto Parts is around $11.69, with a range that starts at $1.29 and goes up to $28.99. With 3 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Straight Radiator Hoses; EPDM Rubber, 1 3/4 Inch Inner Diameter (sold by inch) and Green Stripe Heavy-Duty Straight Heater Hose (Sold by foot) start at just $1.29 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Radiator 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 1998 Peterbilt 378 in peak condition, inside and out.
Find Your Specific 1998 Peterbilt 378 Radiator Hoses
Looking for the perfect Radiator Hose for your 1998 Peterbilt 378? You’re in the right place. Below, you’ll find links to various types of Radiator Hoses that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Radiator Hoses, ensuring durability and a precise fit for your Peterbilt 378. Whether you’re driving a 1998 model or another popular model year like
1994,
1995,
1996,
1997,
1999,
2004,
2005,
2006, and
2007, we’ve got you covered. Purchasing Radiator 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 Radiator Hoses that fit your vehicle.
Essential 1998 Peterbilt 378 Radiator Hoses
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 10" Long, 2.50" Diameter (Part No.C71813)
from
$25.99
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
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 5" Long, 2" Diameter (Part No.B71569)
from
$9.49
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:
See More
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
Dayco – Straight Radiator Hoses; EPDM Rubber, 1 3/4 Inch Inner Diameter (sold by inch) (Part No.76175)
from
$1.29
Designed for a wide range of light and heavy duty truck applications where the radiator hose routing is relatively straight, Dayco’s Straight Radiator Hose features knitted einforcement and synthetic EPDM rubber construction. It meets SAE J20R4, Class D-2 requirements and provides high strength and resistance to ozone and other detrimental environmental elements, coolants, and temperature variations from -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C). Note: This hose is NOT suitable for fuel or oil transfer.
Product Features:
See More
Product Features:
- Meets SAE J20R4, Class D-2 requirements
- Features a high strength knitted reinforcement and synthetic EPDM rubber construction
- Resistant to standard coolants, ozone and other detrimental environmental elements
- Works well in temperatures ranging from -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C)
- PLEASE NOTE: Priced and sold by inch. See store for details.
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 9" Long, 1.31" Diameter (Part No.B70704)
from
$28.99
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:
See More
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 1998 Peterbilt 378 Radiator Hoses Categories
Most Popular Coolant Hose for 1998 Peterbilt 378s
Enhance your 1998 Peterbilt 378 with this popular Coolant Hose we have in stock, for $1.29.
Dayco – Straight Radiator Hoses; EPDM Rubber, 1 3/4 Inch Inner Diameter (sold by inch) (Part No.76175)
from
$1.29
Designed for a wide range of light and heavy duty truck applications where the radiator hose routing is relatively straight, Dayco’s Straight Radiator Hose features knitted einforcement and synthetic EPDM rubber construction. It meets SAE J20R4, Class D-2 requirements and provides high strength and resistance to ozone and other detrimental environmental elements, coolants, and temperature variations from -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C). Note: This hose is NOT suitable for fuel or oil transfer.
Product Features:
See More
Product Features:
- Meets SAE J20R4, Class D-2 requirements
- Features a high strength knitted reinforcement and synthetic EPDM rubber construction
- Resistant to standard coolants, ozone and other detrimental environmental elements
- Works well in temperatures ranging from -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C)
- PLEASE NOTE: Priced and sold by inch. See store for details.
Best-Selling 1998 Peterbilt 378 By-Pass Hoses
Upgrade your 378 with one of our 2 best-selling By-Pass Hoses, earning an average 3 stars rating across 10 reviews.
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 9" Long, 1.31" Diameter (Part No.B70704)
from
$28.99
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:
See More
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
Gates – Green Stripe Heavy-Duty Straight Heater Hose (Sold by foot) (Part No.28441)
from
$4.79
Heavy-duty construction assures dependable operation in truck, bus and off-road equipment heater systems. For a maintenance free connection, install with Power-Grip SB clamps. Approved for marine applications.
Product Features:
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Product Features:
- Green strip construction offers the best cost per mile
- Abrasion resistant cover
- Engineered with materials to resist electrochemical degradation
- Reduces water loss from water permeating the hose wall and cover
- Exceeds SAE 20R1 Type EC (Class D-1 tube and cover Standard Wall)
- Temperature Range: -40 Deg. F to +275 Deg. F (-40 Deg. C to +135 Deg. C)
- Note: For a maintenance-free connection, use PowerGrip SB clamps
- Caution: Do not use for fuel or oil transportation applications.
- PLEASE NOTE: Item is priced and sold by the foot. See store for details.
FAQs for 1998 Peterbilt 378 Radiator Hoses
What are the best-selling Radiator Hoses for 1998 Peterbilt 378s?
Out of 3 Radiator Hoses that fit 1998 Peterbilt 378s, the following parts are the top sellers:
- Straight Radiator Hoses; EPDM Rubber, 1 3/4 Inch Inner Diameter (sold by inch) (10628394) – $1.29
- Green Stripe Heavy-Duty Straight Heater Hose (Sold by foot) (10504904) – $4.79
What’s the price range for 1998 Peterbilt 378 Radiator Hoses?
The prices of Radiator Hoses for the 1998 Peterbilt 378 range from $1.29 up to $28.99 for the most premium parts.
What is the average price of a Radiator Hose for a 1998 Peterbilt 378?
The average price for Radiator Hoses for the 1998 Peterbilt 378 is $11.69. Keep in mind the variety of part types within our Radiator 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 Radiator Hoses for other Peterbilt 378 model years?
What are the cheapest Radiator Hoses for my 1998 Peterbilt 378?
The cheapest 1998 Peterbilt 378 Radiator Hoses we carry are:
- Straight Radiator Hoses; EPDM Rubber, 1 3/4 Inch Inner Diameter (sold by inch) (10628394) – $1.29
- Green Stripe Heavy-Duty Straight Heater Hose (Sold by foot) (10504904) – $4.79
- Curved Radiator Hoses: EPDM Rubber, Standard Duty, 9" Long, 1.31" Diameter (5192641) – $28.99
Does Advance Auto Parts sell Radiator Hoses for any other 1998 Peterbilt models?
Yes. We stock Radiator Hoses for 5 other popular 1998 Peterbilt models. Some of the most popular are 1998 377 Radiator Hoses, 1998 357 Radiator Hoses, 1998 200 Radiator Hoses, 1998 320 Radiator Hoses, and 1998 379 Radiator Hoses.
What are the top-rated Radiator Hoses that fit the 1998 Peterbilt 378?
The one 1998 Peterbilt 378 Radiator Hose we have in stock is the Straight Radiator Hoses; EPDM Rubber, 1 3/4 Inch Inner Diameter (sold by inch). It costs $1.29.
What types of Radiator Hoses do you sell for my 1998 Peterbilt 378?
As of 11/2/25, these are some of the most in-demand types of Radiator Hoses for a 1998 Peterbilt 378:
Can I get help with 1998 Peterbilt 378 Radiator Hose orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Peterbilt Radiator Hoses and more.
What is your return policy for Peterbilt 378 Radiator Hoses?
Advance Auto Parts keeps returns simple. For new Peterbilt 378 Radiator Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.