1966 GMC K25/K2500 Pickup Radiator Hoses
Keep Your 1966 GMC K25/K2500 Pickup 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 1966 GMC K25/K2500 Pickup looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including 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 1966 GMC K25/K2500 Pickup Radiator Hose at Advance Auto Parts is around $9.99, with a range that starts at $1.99 and goes up to $17.99. With 2 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Straight Heater Hose: EPDM, Direct Fit, 0.625" Inside Diameter (sold by foot) and Premium Molded Coolant Hose start at just $1.99 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 Engine Cooling Hoses and Oil Cooler Hoses. At Advance Auto Parts, we’re here to help you keep your 1966 GMC K25/K2500 Pickup in peak condition, inside and out.
Find Your Specific 1966 GMC K25/K2500 Pickup Radiator Hoses
Looking for the perfect Radiator Hose for your 1966 GMC K25/K2500 Pickup? 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 GMC K25/K2500 Pickup. Whether you’re driving a 1966 model or another popular model year like
1967,
1968,
1969,
1970,
1971,
1972,
1973, and
1974, 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 1966 GMC K25/K2500 Pickup Radiator Hoses
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 7.50" Long, 1.50" Diameter (Part No.B70541)
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:
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 – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 3.50" Long, .75" Diameter (Part No.A70647)
from
$19.99
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 – Premium Molded Coolant Hose (Part No.20563)
from
$17.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
Product Features:
See More
Product Features:
- Specifically-engineered materials resist collapse under vacuum
- Designed to resist electrochemical degradation, which is the leading cause of hose failure
- Pre-shaped to fit and to ensure perfectly sealed conditions
- EPDM Tube; synthetic fiber knit reinforcement; EPDM cover resistant to heat, ozone and chemical refrigerants
- Meets the requirements of SAE 20R4, Class D2 and DIN 73411, Class A (except for tolerances)
- Temperature range -40 degrees F to +257 degrees F (-40 degrees C to +125 degrees C)
- Note: Gates recommends replacing clamps and connectors each time a new cooling hose is installed.
- Caution: Do not use for fuel or oil transportation applications.
Gates – Straight Heater Hose: EPDM, Direct Fit, 0.625" Inside Diameter (sold by foot) (Part No.28411)
from
$1.99
Premium hose constructed for long service life.
Product Features:
See More
Product Features:
- Good resistance to high temperatures for extended periods of time, which prolongs 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 – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 5" Long, 1" Diameter (Part No.A70564)
from
$10.29
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:
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 1966 GMC K25/K2500 Pickup Radiator Hoses Categories
Most Popular By-Pass Hoses for 1966 GMC K25/K2500 Pickups
Enhance your 1966 GMC K25/K2500 Pickup with one of the 2 By-Pass Hoses we have in stock, starting at just $1.99.
Gates – Premium Molded Coolant Hose (Part No.20563)
from
$17.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
Product Features:
See More
Product Features:
- Specifically-engineered materials resist collapse under vacuum
- Designed to resist electrochemical degradation, which is the leading cause of hose failure
- Pre-shaped to fit and to ensure perfectly sealed conditions
- EPDM Tube; synthetic fiber knit reinforcement; EPDM cover resistant to heat, ozone and chemical refrigerants
- Meets the requirements of SAE 20R4, Class D2 and DIN 73411, Class A (except for tolerances)
- Temperature range -40 degrees F to +257 degrees F (-40 degrees C to +125 degrees C)
- Note: Gates recommends replacing clamps and connectors each time a new cooling hose is installed.
- Caution: Do not use for fuel or oil transportation applications.
Gates – Straight Heater Hose: EPDM, Direct Fit, 0.625" Inside Diameter (sold by foot) (Part No.28411)
from
$1.99
Premium hose constructed for long service life.
Product Features:
See More
Product Features:
- Good resistance to high temperatures for extended periods of time, which prolongs 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.
FAQs for 1966 GMC K25/K2500 Pickup Radiator Hoses
What are the best-selling Radiator Hoses for 1966 GMC K25/K2500 Pickups?
Out of 2 Radiator Hoses that fit 1966 GMC K25/K2500 Pickups, the following parts are the top sellers:
- Straight Heater Hose: EPDM, Direct Fit, 0.625" Inside Diameter (sold by foot) (10505038) – $1.99
- Premium Molded Coolant Hose (10910180) – $17.99
What’s the price range for 1966 GMC K25/K2500 Pickup Radiator Hoses?
The prices of Radiator Hoses for the 1966 GMC K25/K2500 Pickup range from $1.99 up to $17.99 for the most premium parts.
What is the average price of a Radiator Hose for a 1966 GMC K25/K2500 Pickup?
The average price for Radiator Hoses for the 1966 GMC K25/K2500 Pickup is $9.99. 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 GMC K25/K2500 Pickup model years?
What are the cheapest Radiator Hoses for my 1966 GMC K25/K2500 Pickup?
The cheapest 1966 GMC K25/K2500 Pickup Radiator Hoses we carry are:
- Straight Heater Hose: EPDM, Direct Fit, 0.625" Inside Diameter (sold by foot) (10505038) – $1.99
- Premium Molded Coolant Hose (10910180) – $17.99
Does Advance Auto Parts sell Radiator Hoses for any other 1966 GMC models?
Yes. We stock Radiator Hoses for 18 other popular 1966 GMC models. Some of the most popular are 1966 G1000 Series Radiator Hoses, 1966 I1500 Radiator Hoses, 1966 I1000 Radiator Hoses, 1966 3500 Radiator Hoses, and 1966 3000 Radiator Hoses.
What types of Radiator Hoses do you sell for my 1966 GMC K25/K2500 Pickup?
We currently have just 1 Radiator Hose in stock for a 1966 GMC K25/K2500 Pickup, and as of 11/2/25, it is a By-Pass Hose.
Can I get help with 1966 GMC K25/K2500 Pickup Radiator Hose orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Radiator Hoses and more.
What is your return policy for GMC K25/K2500 Pickup Radiator Hoses?
Advance Auto Parts keeps returns simple. For new GMC K25/K2500 Pickup Radiator Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.