1978 GMC C25 By-Pass Hoses

Your 1978 GMC C25 might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the By-Pass Hoses you desperately need.

We currently carry 4 By-Pass Hoses to choose from for your 1978 GMC C25, and our inventory prices range from as little as $3.99 up to $25.99.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of By-Pass Hoses for the 1978 GMC C25. We only sell parts from trusted brands like Dayco so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 24 reviews on our By-Pass Hoses for the 1978 GMC C25 from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our By-Pass Hoses stock in-person!

By-Pass Hoses for Your 1978 GMC C25

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 24" Long, 1.50" Diameter (Part No.E70935)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 24" Long, 1.50" Diameter

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:
  • 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
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Gates – Premium Molded Coolant Hose (Part No.20925)

Premium Molded Coolant Hose

from

$25.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.

Product Features:
  • Specifically-engineered materials resist collapse under vacuum
  • Engineered to resist electrochemical degradation, the leading cause of hose failure
  • Pre-shaped to fit and to ensure perfectly sealed conditions
  • EPDM tube: synthetic fiber knit reinforcement: heat-, ozone- and chemical coolant-resistant EPDM cover
  • Meets requirements of SAE 20R4, class D2 and DIN 73411, class A (except for tolerances)
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
  • Caution: Do not use for fuel or oil transfer applications
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Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 4.50" Long, .63" Diameter (Part No.A70785)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 4.50" Long, .63" Diameter

from

$11.49
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:
  • 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
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Gates – Straight Heater Hose: EPDM, Direct Fit, 0.75" Inside Diameter (Sold by foot) (Part No.28412)

Straight Heater Hose: EPDM, Direct Fit, 0.75" Inside Diameter (Sold by foot)

from

$3.99
Premium hose constructed for long service life.

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
  • CAUTION: Do not use for fuel or oil transfer applications
  • PLEASE NOTE: Item is priced and sold by the foot. See store for details.
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FAQs for 1978 GMC C25 By-Pass Hoses

What are the most popular By-Pass Hoses for the 1978 GMC C25?

With 2 brands you can trust, our most popular By-Pass Hoses for the 1978 GMC C25 parts are:
Curved Radiator Hoses: EPDM Rubber, Standard Duty, 4.50" Long, .63" Diameter
from $11.49
This product is not rated
Curved Radiator Hoses: EPDM Rubber, Standard Duty, 4.50" Long, .63" Diameter
By-Pass Hoses
Premium Molded Coolant Hose
from $25.99
This product is not rated
Premium Molded Coolant Hose
By-Pass Hoses