2003 GMC Sierra 3500 Belts and Hoses

Essential 2003 GMC Sierra 3500 Belts and Hoses

ACDelco – Heater Hose (Part No.R3030578543ACD)

Heater Hose

from

$68.23
Heater Hose

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 36.5" Long, 2" Diameter (Part No.E72348)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 36.5" Long, 2" Diameter

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$303.99
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 – Help – Heater Hose Connector – 5/8 In. Tube x 5/8 In. Hose (Part No.47165)

Heater Hose Connector - 5/8 In. Tube x 5/8 In. Hose

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$15.99
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.D60930K1)

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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Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 60 mm Diameter (Part No.900367A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 60 mm Diameter

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$33.49
This Litens pulley is supplied by one of the largest original equipment suppliers in the world and meets all form, fit, and performance characteristics of the original equipment part . Like the Original Equipment pulley, the Litens replacement part is constructed of heavy duty steel for long life and trouble free performance. This unique pulley is designed for use on G.M. Air Conditioning tensioners. Litens recommends you consider replacing the entire tensioner (Litens P/N 999034) rather than just the tensioner pulley. 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 the world’s largest Original Equipment supplier of accessory drive tensioners and pulleys
  • Heavy Duty Steel Pulley
  • Precision steel stamping with close tolerance ball bearing pocket.
  • Electro-deposited coating (e-coat) for superior corrosion resistance.
  • Running surface designed and engineered for proper belt tracking.
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Dorman – Right Diesel Return Line (Part No.904-122)

Right Diesel Return Line

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$113.99
This replacement fuel injector line is precision-engineered to match the fit and design of the original fuel injector line on specific vehicles. It comes with any vehicle-specific mounting hardware for a complete installation.

Product Features:
  • Direct replacement – this fuel injector line is engineered to match the original fuel injector line on specified vehicles
  • Robust materials – manufactured with a material-hardening process to ensure lines withstand high pressure during engine operation
  • Critical fix – because all fuel injectors lines have a one-time-use, crushable seal, replacement of entire line is necessary for optimal seal
  • Cost-effective solution – part is quality-tested and less expensive than getting replacement from dealership
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Dorman – Engine Oil Cooler Line Assembly (Part No.625-340)

Engine Oil Cooler Line Assembly

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$141.99
This engine oil cooler hose assembly matches the fit and function of the original equipment components for reliable repair and restoration of proper oil circulation between the oil cooler and engine.

Product Features:
  • Ideal replacement – this engine oil cooler hose assembly is a direct replacement for the original hose assembly
  • Quality materials – this engine oil cooler hose assembly is made from corrosion-resistant materials to ensure the smooth transfer of oil from the engine to the cooler
  • Easy to install – no special tools required
  • Quality tested – rigorous quality control ensure this hose assembly conforms to product standards
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ACDelco – AT Cooling Hose (Part No.J2000576925ACD)

AT Cooling Hose

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$27.37
AT Cooling Hose

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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Driveworks – Poly Rib Belt Serpentine Belt; 95.08 Long, 6 Rib Count (Part No.950K6)

Poly Rib Belt Serpentine Belt; 95.08 Long, 6 Rib Count

from

$40.99
The Driveworks belt is designed to provide better belt-to-pulley contact. The specialized rubber compound incorporates a high temperature polymer formulated to maximize load carrying requirements and belt life. This Driveworks ribbed belt has been constructed and engineered to meet the stringent demands of today’s automotive drive systems. The Driveworks ribbed belt delivers long-lasting dependable belt life.

Product Features:
  • Constructed with heat and ozone resistant EPDM rubber
  • Fiber is added to the rib stock to reinforce the rubber and reduce noise from worn and misaligned pulleys
  • Made with treated polyester cord to reduce belt stretch
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Gates – Premium Molded Heater Hose (Part No.18622)

Premium Molded Heater Hose

from

$56.99
Gates Small I.D. Molded Coolant Hose is factory-molded, OEM style hose to fit today’s smaller, tighter-fitting engine compartments. Can be used for coolant, water and air applications. Approved for marine applications.

Product Features:
  • Has all the quality features of Gates molded coolant hose and similar to OEM specifications
  • Engineered to resist electrochemical degradation ┐ the leading cause of hose failure
  • EPDM tube, synthetic fiber knit reinforcement, EPDM cover
  • Meets SAE 20R3 Type EC Class D-1 and D-2 specifications
  • Temperature Range: -40 Deg. F to 275 Deg. F (-40 Deg. C -135 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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Felpro – Multi-Purpose O-Ring (Part No.35759)

Multi-Purpose O-Ring

from

$1.79
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Gates – Premium Molded Coolant Hose (Part No.23227)

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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Dorman – Help – Coolant Hose Junction (Part No.47157)

Coolant Hose Junction

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$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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Dorman – Rubber Fuel Line: 1/2" ID, 10" Long (Part No.904-398)

Rubber Fuel Line: 1/2" ID, 10" Long

from

$56.99
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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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 – Lower Radiator Hose O-Ring (Part No.926-161)

Lower Radiator Hose O-Ring

from

$19.99
The O-rings in this radiator coolant hose O-ring kit are designed to match the fit and function of original equipment O-rings on specified vehicles and are engineered to help securely seal hose connections when an existing O-ring has failed.

Product Features:
  • Simple fix – this O-ring is specifically manufactured to replace the original lower radiator hose O-ring on specific vehicles
  • Cost-effective repair – inexpensive alternative to dealership forcing an entire hose replacement just to replace an O-ring
  • Application specific – made to match the original O-ring on certain Chevrolet and GMC vehicles
  • Quality engineering – designed in the United States and backed by decades of automotive aftermarket experience
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Gates – Safety Stripe« Standard Straight Heater Hose (Part No.28409)

Safety Stripe« Standard Straight Heater Hose

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$2.49
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
  • PLEASE NOTE: Item is priced and sold by the foot. See store for details.
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ContiTech – Drive V-Belt (Part No.W1000452392CON)

Drive V-Belt

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$80.24
All ContiTech V-Belts are quiet, OE-quality and virtually service free. The only time these belts require attention is during installation. Designed to be oil-resistant and temperature-stable from -22F to 176F (30C to 80C), ContiTech V-Belts are open-flanked, toothed, and shaped for greater traction and torque. High performance construction features include a synthetic fiber fabric cover, a special polyester cord designed to permit tightly controlled shrink, plus a polychloroprene rubber body, integrally molded cogs, and raw edges.

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • Resistant against wear, oil and heat.
  • Polyester fiber tensile members and a ribbed belt design.
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Bando – Multi Rib (Serpentine) Belt (Part No.W1000423328BAN)

Multi Rib (Serpentine) Belt

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$41.33
Bando USA has been a leading OE supplier to automotive manufacturers for over 50 years and Bando serpentine belts are original equipment on over 70% of the top 10 selling vehicles in North America. Bando USA will not compromise on critical quality measurements. Bando belts are produced to the same, more precise OE metric size to deliver an exact fit within the millimeter, ensuring a perfect fit every time. In addition to exact metric sizing, Bando USA aftermarket serpentine belts provide true OE performance for its aftermarket belts, as they are produced on the same manufacturing lines as the OE belts. 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.
  • Strong tensile cords limit stretching.
  • Supports higher horsepower loads.
  • Made from high strength synthetic rubber.
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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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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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Dayco – Serpentine Belt Tensioner: 1 Piece, Built To Outperform And Outlast OE Parts (Part No.89324)

Serpentine Belt Tensioner: 1 Piece, Built To Outperform And Outlast OE Parts

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$48.49
The Dayco automatic belt tensioner features Dayco’s original, patented flat spring design to provide less operating range variation. It reduces the risk of premature accessory bearing failure due to high tension and lessens the risk of belt noise and slippage or poor performance caused by low tension. A PTFE string wound within the spring resists abrasion and dampens noise. Dayco’s tensioner is also designed with a heavyduty cast aluminum spring case and arm, which helps resist cracking and fatigue and offers additional strength, lessening the risk of distortion. Additional premium thermoplastic rubber spring slot plugs and rubber O-ring seals help keep contaminants out and zinc coated mounting bolts resist rust.

Product Features:
  • Endures the toughest conditions while promoting quieter performance and longer life.
  • Features a steel pivot tube on specific designs for enhanced stability
  • Built to outperform and outlast competitive OE parts
  • This tensioner is another Dayco product proudly made in the USA
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ACDelco – Original Equipment Accessory Belt Tensioner Assembly (Part No.G6001407167ACD)

Original Equipment Accessory Belt Tensioner Assembly

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$108.92
Built to look and fit like the original GM part, ACDelco Professional Automotive Belt Tensioner and Pulleys are an ideal replacement for worn equipment.

Product Features:
  • OE-Equivalent and a direct fit application
  • High quality precision spring tension assembly
  • OE specified bearing and pulley assembly
  • Durable long life performance
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Gates – Premium Modular Coolant Hose (Part No.22927)

Premium Modular Coolant Hose

from

$245.99
Product Features:
  • Specifically-engineered materials resist collapse under vacuum
  • Engineered to resist electrochemical degradation + the leading cause of hose failure
  • EPDM tube; synthetic fiber knit reinforcement, heat-, ozone- and chemical coolant-resistant EPDM cover
  • Manufactured with OEM-exact hose components (quick connects, branch connectors/tees, sensors, etc.)
  • Meets SAE 20R3 EC Class D1 under 25mm (1 in.) ID, SAE 20R4 EC Class D1 for 25mm (1 in.) ID and over
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Note: Gates recommends replacing clamps each time a new coolant hose is installed
  • Caution: Do not use for fuel or oil transfer applications
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Gates – Premium Molded Coolant Hose (Part No.22698)

Premium Molded Coolant Hose

from

$24.99
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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Dorman – Fuel Injector Feed Line Seal (sold by each) (Part No.904-136)

Fuel Injector Feed Line Seal (sold by each)

from

$25.99
This replacement fuel injection feed hose is made to safely transfer fuel and endure in tough underhood and undercar conditions.

Product Features:
  • Trustworthy replacement – this fuel feed hose safely replaces the original hose 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
  • Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life
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2003 GMC Sierra 3500 Belts and Hoses

You count on your 2003 GMC Sierra 3500 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 171 Belts and Hoses ranging in price from $1.49 to $589.99, you’re sure to find everything you need for your 2003 GMC Sierra 3500.

Brands matter. If you want to shop a specific Belts and Hoses brand, we stock 15 different brands like Dayco, Driveworks, and Dorman. 2003 GMC Sierra 3500 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 12,159 extensive product reviews on 2003 GMC Sierra 3500 Belts and Hoses. Some of the top-rated Belts and Hoses products we carry are Serpentine Idler/Tensioner Pulley; Polymer, 76mm Dia., 28.7mm Width, 6 Grooves with 4.4 stars and Curved Radiator Hoses: EPDM Rubber, Standard Duty, 17" Long, 1.50" Diameter with 4.8 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 3500 below to get started!

Top-Rated Belts and Hoses Brands For Your 2003 GMC Sierra 3500

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 3500 running right for years to come. In our inventory you’ll find brands like Dayco, Driveworks, Dorman, and even more.

Popular Felpro Belts and Hoses

You’ll find popular Felpro brand products across Radiator Hoses. All are waiting to get your 2003 GMC Sierra 3500 back on the road. Some of the top-rated Felpro products in these categories are:
Multi-Purpose O-Ring
from $1.79
(1)
Multi-Purpose O-Ring
Engine Coolant Hose Connector Seals

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 3500, 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
Poly Rib Belt Serpentine Belt; 95.08 Long, 6 Rib Count
from $58.99
(268)
Poly Rib Belt Serpentine Belt; 95.08 Long, 6 Rib Count
Serpentine Belts

FAQs for 2003 GMC Sierra 3500 Belts and Hoses

What are the most purchased Belts and Hoses for the 2003 GMC Sierra 3500?

Out of 171 Belts and Hoses for the 2003 GMC Sierra 3500, 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 3500 Belts and Hoses?

Top-rated Belts and Hoses for your 2003 GMC Sierra 3500 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
“exact fit”