GMC 300 Belts and Hoses

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Essential GMC 300 Belts and Hoses

Dayco – Straight Radiator Hoses; EPDM Rubber, 1 3/4 Inch Inner Diameter (sold by inch) (Part No.76175)

Straight Radiator Hoses; EPDM Rubber, 1 3/4 Inch Inner Diameter (sold by inch)

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:
  • 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.
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Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 12" Long, 1.50" Diameter (Part No.B70081)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 12" Long, 1.50" Diameter

from

$24.99
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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Dayco – Flex Radiator Hoses; EPDM Rubber, 10.75 Inch Long, 1.5 Inch Inner Dia. (Part No.81131)

Flex Radiator Hoses; EPDM Rubber, 10.75 Inch Long, 1.5 Inch Inner Dia.

from

$19.79
The Dayco flex radiator hose replaces straight or molded radiator hoses on a wide range of engine applications. Precision molded in standard lengths, it features a knitted reinforcement and synthetic EPDM construction. This hose is designed to prevent splitting, ballooning and elongation as well as resist ozone and other detrimental environmental elements, coolants and temperature variations of -40øF (-40øC) to +257øF (+125øC). With corrugations that provide excellent hose flexibility without flattening or collapsing, the Dayco flex radiator hose also features a helical steel coil spring for increased flexibility.

Product Features:
  • Designed to meet OE specifications
  • Not suitable for oil or heat transfer
  • Meets SAE J20R4, Class D-2 requirements for improved service hoses
  • This hose is designed to prevent splitting, ballooning, and elongation
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Dayco – Bottom Cog V-Belt; 32 Inch Long, Exact Fit Premium Quality (Part No.17320)

Bottom Cog V-Belt; 32 Inch Long, Exact Fit Premium Quality

from

$12.79
Dayco’s high performance HD V-belt is one of the most innovative, top performing belts for its application. By combining raw-edge construction with a specially formulated polyester cord treatment, it offers excellent resistance to repeated flexing and protection against heat, oil and grease as well as the strength, stability and reliability required for vehicles that still need a heavy-duty V-belt.

Product Features:
  • Designed for efficient power transmission to vehicle accessories in today’s trucks and buses
  • Provides greater durability and flexibility – 35% stronger than all previous versions
  • Features specially treated cords for added strength, stability and reliability
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Dayco – Bottom Cog V-Belt; 33 Inch Long, Exact Fit Premium Quality (Part No.17330)

Bottom Cog V-Belt; 33 Inch Long, Exact Fit Premium Quality

from

$11.99
Dayco’s high performance HD V-belt is one of the most innovative, top performing belts for its application. By combining raw-edge construction with a specially formulated polyester cord treatment, it offers excellent resistance to repeated flexing and protection against heat, oil and grease as well as the strength, stability and reliability required for vehicles that still need a heavy-duty V-belt.

Product Features:
  •  Designed for efficient power transmission to vehicle accessories in today’s trucks and buses
  •  Provides greater durability and flexibility – 35% stronger than all previous versions
  •  Features specially treated cords for added strength, stability and reliability
  • Made with specially formulated rubber compounds, this belt is highly resistant to extreme under hood temperatures that can cause premature damage to under engineered rubber compounds
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Gates – Automotive XL High Capacity V-Belt (Part No.9720)

Automotive XL High Capacity V-Belt

from

$56.99
Replacement belt for the most demanding engine drives. Due to thermal forces, this variable notched belt actually tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.

Product Features:
  • The fiber-reinforced rubber adds flexibility along the entire length of the belt and ensures greater lateral stability in the pulley.
  • Form-ground to ensure precise top width and sidewall dimensional control for proper fit to the pulley
  • Thermally-active tensile cords for maintenance-free performance when properly installed and tensioned
  • It resists oil, heat, ozone, weather, and decay to improve belt life.
  • Meets or exceeds SAE J636C specifications
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Imperial – Transmission Oil Cooler Hose (Part No.248001)

Transmission Oil Cooler Hose

from

$32.49
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:
  • Transmission oil cooler hose
  • 11/32″ x 4-1/2′
  • Designed for transmission fluid applications
  • Made for tight-radius applications found in transmission cooler installations
  • Compatible with 11/32 in. OEM cooler systems
  • Tube made of black chemigum (nitrile)
  • Reinforced with 2-spiral synthetic
  • Covered in black Hypalon
  • Compatible with 11/32 in. OEM cooler systems
  • Tube made of black chemigum (nitrile)
  • Reinforced with 2-spiral synthetic
  • Covered in black Hypalon
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Imperial – Engine Oil Cooler Hose (Part No.240112)

Engine Oil Cooler Hose

from

$48.99
1/2″ x 12′ engine oil cooler hose. Imperial engine hose is specifically designed for engine cooling applications.

Product Features:
  • Engine oil cooler hose
  • Size: 1/2″ x 12′
  • Designed for engine oil applications
  • 12′ hose length accommodates most applications
  • Size: 1/2 in. x 12′
  • Designed for engine oil applications
  • 12′ hose length accommodates most applications
  • Medium duty applications
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Imperial – Metal Line Kit for Engine Oil Cooler (Part No.240293)

Metal Line Kit for Engine Oil Cooler

from

$59.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:
  • Metal line kit
  • For use in engine oil cooler applications
  • Routes oil lines past exhaust manifolds
  • Provides protection where standard hoses can fail
  • Used on Chevrolet V8 applications
  • Routes oil lines past exhaust manifolds
  • Provides protection where standard hoses can fail
  • Comes with all parts needed for the job
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Dayco – Flex Radiator Hoses; EPDM Rubber, 16.5 Inch Long, 1.75 Inch Inner Dia. (Part No.81331)

Flex Radiator Hoses; EPDM Rubber, 16.5 Inch Long, 1.75 Inch Inner Dia.

from

$22.99
The Dayco flex radiator hose replaces straight or molded radiator hoses on a wide range of engine applications. Precision molded in standard lengths, it features a knitted reinforcement and synthetic EPDM construction. This hose is designed to prevent splitting, ballooning and elongation as well as resist ozone and other detrimental environmental elements, coolants and temperature variations of -40øF (-40øC) to +257øF (+125øC). With corrugations that provide excellent hose flexibility without flattening or collapsing, the Dayco flex radiator hose also features a helical steel coil spring for increased flexibility.

Product Features:
  • Designed to meet OE specifications
  • Not suitable for oil or heat transfer
  • Meets SAE J20R4, Class D-2 requirements for improved service hoses
  • This hose is designed to prevent splitting, ballooning, and elongation
See More

Dayco – Flex Radiator Hoses; EPDM Rubber, 12.25 Inch Long, 1.5 Inch Inner Dia. (Part No.81141)

Flex Radiator Hoses; EPDM Rubber, 12.25 Inch Long, 1.5 Inch Inner Dia.

from

$7.99
The Dayco flex radiator hose replaces straight or molded radiator hoses on a wide range of engine applications. Precision molded in standard lengths, it features a knitted reinforcement and synthetic EPDM construction. This hose is designed to prevent splitting, ballooning and elongation as well as resist ozone and other detrimental environmental elements, coolants and temperature variations of -40øF (-40øC) to +257øF (+125øC). With corrugations that provide excellent hose flexibility without flattening or collapsing, the Dayco flex radiator hose also features a helical steel coil spring for increased flexibility.

Product Features:
  • Designed to meet OE specifications
  • Not suitable for oil or heat transfer
  • Meets SAE J20R4, Class D-2 requirements for improved service hoses
  • This hose is designed to prevent splitting, ballooning, and elongation
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 9.75" Long, 1.50" Diameter (Part No.B70281)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 9.75" Long, 1.50" Diameter

from

$12.99
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
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 8" Long, 1.75" Diameter (Part No.B70192)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 8" Long, 1.75" 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
See More

Dayco – Straight Radiator Hoses; EPDM Rubber, 1 1/2 Inch Inner Diameter (sold by inch) (Part No.76150)

Straight Radiator Hoses; EPDM Rubber, 1 1/2 Inch Inner Diameter (sold by inch)

from

$1.29
The Dayco Straight Radiator Hose is designed for a wide range of light and heavy duty truck applications where the radiator hose routing is relatively straight. Note: This hose is NOT suitable for fuel or oil transfer.

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
  • PLEASE NOTE: Priced and sold by inch. See store for details.
See More

Helping You Find the Right Belts and Hoses for Your GMC 300

You love your 300. So we’ve made it easier than ever to help you find GMC 300 Belts and Hoses in our online catalog. Our inventory holds 41 aftermarket and OEM Belts and Hoses for your GMC 300, ranging from $1.29 to $70.99.

We offer parts from 4 brands trusted to make quality Belts and Hoses for your GMC 300. Before you buy, take some time to read through customer reviews. We currently have 2,562 reviews of GMC 300 Belts and Hoses from previous customers. Some of the top rated parts include V-Belt, Top Cog, Dayco with 4.5 stars and Curved Radiator Hoses: EPDM Rubber, Standard Duty, 9.75" Long, 1.50" Diameter with 5.0 stars.

Find your 300 Belts and Hoses here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your GMC 300 part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Belts and Hoses Brands for Your GMC 300

Our inventory holds Belts and Hoses for your GMC 300 from 4 trusted brands. You’ll find OEM and aftermarket parts from brands like Imperial, Dayco, and Gates, all of which can keep that GMC happy.

Top-Rated Imperial Belts and Hoses

Leading Imperial Belts and Hoses

We carry Imperial brand parts for your GMC 300 across several catalog categories, including Transmission Cooler Hoses. Some of our most reviewed Imperial parts include:
Transmission Oil Cooler Hose
from $32.49
(94)
Transmission Oil Cooler Hose
Transmission Oil Cooler Hoses

FAQs for GMC 300 Belts and Hoses

What are the most purchased Belts and Hoses for the GMC 300?

Out of 41 Belts and Hoses for the GMC 300, the most popular in our inventory are:
Bottom Cog V-Belt; 36.5 Inch Long, Exact Fit Premium Quality
from $12.99
This product is not rated
Bottom Cog V-Belt; 36.5 Inch Long, Exact Fit Premium Quality
V-Belts

What are the top-rated GMC 300 Belts and Hoses?

Top-rated Belts and Hoses for your GMC 300 based on customer reviews/ratings are:
V-Belt, Top Cog, Dayco
from $21.29
(6)
V-Belt, Top Cog, Dayco
“Worked much better than the cheap belt from auto zone that only lasted 1 day”
Curved Radiator Hoses: EPDM Rubber, Standard Duty, 9.75" Long, 1.50" Diameter
from $12.99
(3)
Curved Radiator Hoses: EPDM Rubber, Standard Duty, 9.75" Long, 1.50" Diameter
“Direct OE replacement, some minor trim-to-fit…”
Automotive V-Belt, Driveworks
from $5.29
(3)
Automotive V-Belt, Driveworks
“Perfect fit”