2003 GMC Sierra 1500 HD Belts and Hoses

Essential 2003 GMC Sierra 1500 HD Belts and Hoses

Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 90 mm Diameter (Part No.900052A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 90 mm Diameter

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$33.49
This Litens pulley is manufactured by one of the largest original equipment pulley suppliers to ensure proper fit and performance. This pulley is produced for serpentine belt routing applications and conforms to original equipment material, tolerances, and specifications. This replacement part is made in the U.S.A. to the O.E. specified design and meets all performance and durability requirements. Heavy duty steel construction. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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GM Genuine Parts – Positive Crankcase Ventilation (PCV) Hose (Part No.12582227)

Positive Crankcase Ventilation (PCV) Hose

from

$40.99
GM Genuine Parts PCV Valve Hoses are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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Dorman – AT Oil Cooler Hose A (Part No.J2068720013DOR)

AT Oil Cooler Hose A

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$46.05
AT Oil Cooler Hose A

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 31" Long, 1.31" Diameter (Part No.E72376)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 31" Long, 1.31" Diameter

from

$57.99
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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Dorman – Heater Hose Connector (Part No.800-916)

Heater Hose Connector

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$13.99
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.

Product Features:
  • Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
  • Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
  • Cost-effective solution – offers original equipment quality at competitive price
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
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Dayco – Serpentine Demanding Drive Kit; With Belt, Pulley and Tensioner, 3 Piece Set (Part No.D60923K1)

Serpentine Demanding Drive Kit; With Belt, Pulley and Tensioner, 3 Piece Set

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$99.99
Engineered specifically for the most problematic drive systems as an improvement over the OE design, Dayco demanding drive kits come in 14 applications that contain all necessary front-end accessory components to ensure a safe, reliable and noise-free belt drive system. Each kit includes up to two serpentine belts, a premium tensioner with flat spring technology and an idler pulley.

Product Features:
  • Custom engineered to cover 35 million problem drive vehicles in operation
  • Designed as an improvement over OE to address problematic drive systems
  • Features a specially designed serpentine belt with specific compounds that mitigate noise
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Dayco – Molded Heater Hose; EPDM Rubber, 1/4 Inch Diameter, 4 1/2 Inch Length (Part No.86504)

Molded Heater Hose; EPDM Rubber, 1/4 Inch Diameter, 4 1/2 Inch Length

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$6.79
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:
  • 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
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ACDelco – Professional Molded Coolant Hose (Part No.G2000584174ACD)

Professional Molded Coolant Hose

from

$81.12
ACDelco Professional, premium aftermarket Molded Coolant Hoses are composed of specially blended materials to help resist electrochemical degradation (ECD), the leading cause of hose failure. They are specially designed, GM OE style factory-molded hoses to fit today’s smaller, tighter-fitting engine compartments. ACDelco Professional Molded Coolant Hoses are temperature rated from -40 degrees Fahrenheit to 275 degrees Fahrenheit (-40 degrees Celsius to 135 degrees Celsius) and are approved for Marine applications. Do not use for fuel or oil transfer applications. These premium aftermarket replacement molded coolant hoses are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Has a heat and ozone resistant cover to increase the life of the hose
  • Comes with a protective sleeve to help duplicate GM OE designs for proper fit and function
  • Made of re-engineered materials to resist vacuum collapse and also reduce the need for internal springs in many applications
  • Installs without buckling, bending out of shape, or straining at the connection for easy installation
  • Inside diameters ranges from 1?4 in to 1 in to fit different types of vehicles
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999034A)

Serpentine Belt Tensioner: 1 Piece

from

$56.99
This genuine Litens tensioner is manufactured and designed by Litens, the world’s largest manufacturer of belt tensioners. To address shortcomings and common failure points of the original tensioner, Litens has released this new and improved design. A 20% increase in tension results in less noise and belt slip. The main tensioner pivot has been greatly improved to prevent binding frequently experienced with the original part, and a high speed bearing has been implemented to provide long life and reliability.

Product Features:
  • the world’s largest manufacturer of belt tensioners. To address shortcomings and common failure points of the original tensioner
  • Litens has released this new and improved design. A 20% increase in tension results in less noise and belt slip. The main tensioner pivot has been greatly improved to prevent binding frequently experienced with the original part
  • and a high speed bearing has been implemented to provide long life and reliability.
  • Professional Mechanics will change this tensioner in approx. 20 minutes.
  • Due to the fact that belts and tensioners have similar Original Equipment “design life targets”, it is often a best practice to replace the belt tensioner when replacing a worn or broken belt. Belt removal is required to change the tensioner. Therefore, d
  • Installation instructions included.
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999033A)

Serpentine Belt Tensioner: 1 Piece

from

$58.99
This Litens tensioner is manufactured by the Original Equipment (O.E.) supplier of this popular G.M./Isuzu/Hummer tensioner. This “O.E. Exact”* part for the aftermarket meets all original equipment form, fit, and function specifications. (*O..E Exact – Original Equipment manufacturers prohibits the use of their part number or logo on parts sold to other customers. Therefore, the Litens aftermarket part may have minor cosmetic differences but still be exact in performance and design). Note: The dust shield (pulley washer) has been a modified for this aftermarket part. Choosing The Correct Replacement Part: Both the original equipment and Litens aftermarket tensioner use a round spring versus a flat spring and are marked “Made in Canada”. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Dorman – Windshield Washer Hose (Part No.924-251)

Windshield Washer Hose

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$30.49
This windshield washer hose is designed to match the fit and function of the original hose on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this windshield washer hose is designed to match the fit and function of the original hose on specified vehicles
  • Restores functionality – reliable replacement for an original hose that has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Dorman – Front Wiper Hose (Part No.924-379)

Front Wiper Hose

from

$60.99
This windshield washer hose is designed to match the fit and function of the original hose on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this windshield washer hose is designed to match the fit and function of the original hose on specified vehicles
  • Restores functionality – reliable replacement for an original hose that has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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ACDelco – Professional V-Ribbed Serpentine Belt (Part No.W1000578639ACD)

Professional V-Ribbed Serpentine Belt

from

$50.22
ACDelco Professional, premium aftermarket V-Ribbed Advanced Technology Belts serve as replacement belts for accessory belt drive systems (ABDS) and other serpentine belt applications. They are designed using advanced manufacturing technology and premium EPDM rubber construction to provide customers with superior accessory belt drive systems (ABDS) and new-vehicle-type performance. These premium aftermarket replacement v-ribbed advanced technology belts are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Made with temperature and crack resistant EPDM rubber for a long life and quiet, dependable performance
  • Is the belt of choice by professional technicians, lasting 50% to 60% longer than retail belts (low priced belts sold at car part stores)
  • Its precision dimension control of rib profile transmits load efficiently throughout the accessory belt drive systems (ABDS) allowing components to operate at optimum levels
  • Able to operate and accept misalignment in the accessory belt drive systems (ABDS) far greater than other serpentine belts
  • Its flexible construction allows the belt to withstand billions of topside and backside bends resulting in a long belt life
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Mitsubishi – Multi-Rib (Serpentine) Belt (Part No.W100027998MBL)

Multi-Rib (Serpentine) Belt

from

$16.43
The Mitsuboshi Multi Rib (Serpentine) Belt meets or exceeds the vehicle manufacturer’s specifications for durability, fit and quality. Installation Note: The manufacturer recommends checking and/or replacing idler and tensioner bearings when replacing the serpentine belts

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • Resistant against wear, oil and heat.
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Litens – O.E Quality Idler/Tensioner Pulley Direct Fit, Thermoplastic, 76 mm Diameter (Part No.900027A)

O.E Quality Idler/Tensioner Pulley Direct Fit, Thermoplastic, 76 mm Diameter

from

$28.99
This pulley is manufactured by Litens Automotive the inventor of the first automatic belt tensioner in 1979 and today the world’s largest supplier of Original Equipment (O.E.) belt tensioning and routing products. This pulley is produced for serpentine belt routing applications and as the pulley component on automatic tensioner applications. This pulley conforms to original equipment material, tolerances, and specifications. The part is made in Canada using the O.E. specified design and meets all performance and durability requirements. Heavy duty thermoplastic construction for long life and trouble-free performance. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Manufactured by Litens, the largest original equipment tensioner and pulley supplier in the world, to ensure proper form, fit, and performance.
  • Heavy Duty Glass Reinforced Polymer Pulley for optimized dimensional control and running surface durability
  • OE-spec sealed ball bearings with synthetic grease and double lip seals for long life
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Dorman – Idler Pulley (Pulley only) (Part No.419-603)

Idler Pulley (Pulley only)

from

$11.49
This accessory drive belt tensioner pulley is designed to match the fit and function of the original pulley on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this accessory drive belt tensioner pulley is designed to match the fit and function of the original pulley on specified applications
  • Restores functionality – reliable replacement for an original pulley that has failed due to vibration or corrosion
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Dorman – Molded Heater Hose: Rubber (Part No.626-557)

Molded Heater Hose: Rubber

from

$50.99
This replacement HVAC heater hose assembly is engineered to match the fit and durability of the stock heater hose assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this HVAC heater hose assembly directly replaces the original heater hose on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in heater hose assemblies
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ACDelco – Heater Hose (Part No.R3030578543ACD)

Heater Hose

from

$68.23
Heater Hose

Gates – Micro-V« Serpentine Drive Belt (Part No.K060923)

Micro-V« Serpentine Drive Belt

from

$59.99
Import or domestic, car or truck, every vehicle can depend on the superior quality of Gates precision fit Micro-V belts. With advanced technology that matches the OE size, construction and materials, Gates Micro-V ensures optimal vehicle performance.

Product Features:
  • Special belt construction eliminates belt noise, reduces tension loss and solves problem drive applications
  • EPDM rubber constructions resist cracking on the rib surface
  • Meets or exceeds all specifications from the Original Equipment Manufacturer
  • Tensioner Replacement is Recommended (if equipped)
  • Unique form grinding of each individual belt assures precise dimensional control.
  • Meets or exceeds SAE J1459, SAE J2432, and SAE J1596 specifications.
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Dayco – Poly Rib Belt Serpentine Belt; 37.8 Long, 4 Rib Count (Part No.5040378)

Poly Rib Belt Serpentine Belt; 37.8 Long, 4 Rib Count

from

$38.49
Constructed with aramid reinforced EPDM compounds, the Dayco poly-V serpentine belt delivers  more than just OE quality. Developed through extensive laboratory and road testing, the rib profile in this EPDM belt has been engineered to conform to high mile

Product Features:
  • Provides full coverage for today’s light-duty vehicle market, especially vehicles with troublesome drives
  • Engineered to help address noise issues caused by the belt drive 
  • Capable of handling more extreme temperatures and workloads
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ACDelco – Professional Molded Coolant Hose (Part No.G2000576697ACD)

Professional Molded Coolant Hose

from

$60.47
ACDelco Professional, premium aftermarket Molded Coolant Hoses are composed of specially blended materials to help resist electrochemical degradation (ECD), the leading cause of hose failure. They are specially designed, GM OE style factory-molded hoses to fit today’s smaller, tighter-fitting engine compartments. ACDelco Professional Molded Coolant Hoses are temperature rated from -40 degrees Fahrenheit to 275 degrees Fahrenheit (-40 degrees Celsius to 135 degrees Celsius) and are approved for Marine applications. Do not use for fuel or oil transfer applications. These premium aftermarket replacement molded coolant hoses are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Has a heat and ozone resistant cover to increase the life of the hose
  • Comes with a protective sleeve to help duplicate GM OE designs for proper fit and function
  • Made of re-engineered materials to resist vacuum collapse and also reduce the need for internal springs in many applications
  • Installs without buckling, bending out of shape, or straining at the connection for easy installation
  • Inside diameters ranges from 1?4 in to 1 in to fit different types of vehicles
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Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 17" Long, 1.50" Diameter (Part No.E71990)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 17" Long, 1.50" Diameter

from

$44.99
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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ACDelco – AT Cooling Hose (Part No.J2000576925ACD)

AT Cooling Hose

from

$27.37
AT Cooling Hose

Dorman – AT Oil Cooler Hose A (Part No.J2068751128DOR)

AT Oil Cooler Hose A

from

$33.78
AT Oil Cooler Hose A

Dorman – Plastic Fuel Line: 8 mm ID, 31 1/2" Long (Part No.904-015)

Plastic Fuel Line: 8 mm ID, 31 1/2" Long

from

$127.99
This replacement fuel line is made to safely transfer fuel and endure in tough underhood and undercar conditions.

Product Features:
  • Trustworthy replacement – this fuel line safely replaces the original fuel line to fix fuel leaks
  • Durable design – withstands tough underhood and undercar conditions
  • Quality engineering – designed in the United States and backed by decades of automotive aftermarket experience
  • Comprehensive solutions – this fuel line is part of a diverse collection of fuel line repair solutions
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Dorman – OE Fix Stainless Steel Fuel Line Kit: 3/8"; 5/16" ID, 74"; 81" Long (Part No.819-821)

OE Fix Stainless Steel Fuel Line Kit: 3/8"; 5/16" ID, 74"; 81" Long

from

$437.99
Original-style hard fuel lines can be tough to route under the vehicle. These Dorman OE FIX lines are braided stainless steel over flexible PTFE tubing, made to specific length for select Cadillac, Chevrolet and GMC models, with new brackets and factory connectors for the easiest possible installation.

Product Features:
  • Ready to install – these braided stainless steel and PTFE flexible fuel lines are already cut to specific length for specified Cadillac, Chevrolet and GMC models, with all brackets and connectors
  • Full length – these lines are made to the correct length for the specified vehicle, but flexible so they’re easier to route than rigid lines, saving replacement time
  • Upgraded materials – high-strength, corrosion-resistant braided stainless steel protects PTFE hoses for reliable longevity under all conditions
  • Trustworthy quality – engineered and assembled in the United States and backed by decades of aftermarket experience
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Dorman – Help – Coolant Hose Junction (Part No.47157)

Coolant Hose Junction

from

$29.99
Fixing a failed original plastic coolant hose connector usually requires replacing the entire coolant hose assembly. This Dorman OE FIX coolant hose connector is made from aluminum for greater durability and saves expense by allowing the replacement of just the failed connector..

Product Features:
  • Saves money – directly replace a failed coolant hose connector rather than buying an entire new hose assembly from the original automaker.
  • Improved design – made of durable aluminum instead of plastic to better resist temperature fluctuations and help prevent future failures
  • Ensures fit – includes hose clamps for a complete repair and perfect fit on specified makes, models and years
  • Quality assured – backed by a team of product experts in the United States and more than a century of automotive experience
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2003 GMC Sierra 1500 HD Belts and Hoses

You count on your 2003 GMC Sierra 1500 HD to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Belts and Hoses. With 80 Belts and Hoses ranging in price from $1.49 to $156.92, you’re sure to find everything you need for your 2003 GMC Sierra 1500 HD.

Brands matter. If you want to shop a specific Belts and Hoses brand, we stock 10 different brands like Dayco, DriveWorks, and Dorman. 2003 GMC Sierra 1500 HD Belts and Hoses start as low as $1.49!

One of the best ways to find top quality OEM or aftermarket Belts and Hoses is by asking professionals. Short of that, you can shop with confidence thanks to our 4,750 extensive product reviews on 2003 GMC Sierra 1500 HD Belts and Hoses. Some of the top-rated Belts and Hoses products we carry are Curved Radiator Hoses: EPDM Rubber, Standard Duty, 17" Long, 1.50" Diameter with 4.8 stars and Poly Rib Belt Serpentine Belt; 92.32 Long, 6 Rib Count with 4.6 stars.

Did we mention you can order your Belts and Hoses from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Belts and Hoses inventory for your 2003 GMC Sierra 1500 HD below to get started!

Top-Rated Belts and Hoses Brands For Your 2003 GMC Sierra 1500 HD

Trusted Belts and Hoses OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 GMC Sierra 1500 HD running right for years to come. In our inventory you’ll find brands like Dayco, DriveWorks, Dorman, and even more.

Popular Gates Belts and Hoses

You’ll find popular Gates brand products across Serpentine and V Belts. All are waiting to get your 2003 GMC Sierra 1500 HD back on the road. Some of the top-rated Gates products in these categories are:

Top-Rated Dayco Belts and Hoses


If Dayco are what you’re looking for, our inventory holds plenty. We stock Dayco brand Belts and Hoses for your 2003 GMC Sierra 1500 HD, and some of our most reviewed Dayco parts include:
Poly Rib Belt Serpentine Belt; 37.8 Long, 4 Rib Count
from $38.49
(288)
Poly Rib Belt Serpentine Belt; 37.8 Long, 4 Rib Count
Serpentine Belts

FAQs for 2003 GMC Sierra 1500 HD Belts and Hoses

What are the most purchased Belts and Hoses for the 2003 GMC Sierra 1500 HD?

Out of 80 Belts and Hoses for the 2003 GMC Sierra 1500 HD, the most popular in our inventory are:
Poly Rib Belt Serpentine Belt; 93 Long, 6 Rib Count
from $53.99
(168)
Poly Rib Belt Serpentine Belt; 93 Long, 6 Rib Count
Serpentine Belts

What are the top-rated 2003 GMC Sierra 1500 HD Belts and Hoses?

Top-rated Belts and Hoses for your 2003 GMC Sierra 1500 HD based on customer reviews/ratings are:
Poly Rib Belt Serpentine Belt; 92.32 Long, 6 Rib Count
from $58.99
(133)
Poly Rib Belt Serpentine Belt; 92.32 Long, 6 Rib Count
“Belt fit fine and runs smoothly.”
Poly Rib Belt Serpentine Belt; 37.8 Long, 4 Rib Count
from $25.99
(113)
Poly Rib Belt Serpentine Belt; 37.8 Long, 4 Rib Count
“Fit perfectly!”