2003 Cadillac Escalade Belts and Hoses

Essential 2003 Cadillac Escalade Belts and Hoses

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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ACDelco – 12658178 GM Original Equipment Air Conditioning Compressor Belt Kit with Tool (Part No.W1005603985ACD)

12658178 GM Original Equipment Air Conditioning Compressor Belt Kit with Tool

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$92.85
The ACDelco GM Original Equipment Air Conditioning Compressor Belt Kit is a GM-recommended replacement component that provides the same performance, durability, and service life as your factory original equipment.

Product Features:
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Dorman – Idler Pulley (Pulley only) (Part No.419-602)

Idler Pulley (Pulley only)

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$13.49
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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Imperial – Metal Line Kit for Engine Oil Coolers (Part No.240293)

Metal Line Kit for Engine Oil Coolers

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$79.99
Metal line kit for engine oil coolers. Routes oil lines past exhaust manifolds.

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
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GM Genuine Parts – Positive Crankcase Ventilation (PCV) Hose (Part No.12582227)

Positive Crankcase Ventilation (PCV) Hose

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$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 – Windshield Washer Ho (Part No.P7140704178DOR)

Windshield Washer Ho

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$34.10
Windshield Washer Ho

Dorman – Engine Heater Hose Assembly (Part No.626-738)

Engine Heater Hose Assembly

from

$169.99
Original equipment HVAC heater hose assemblies often fail due to cracks in the plastic Y-connector. This Dorman OE FIX replacement features an upgraded aluminum Y-connector to prevent similar failures in the future..

Product Features:
  • Upgraded material – this replacement engine heater hose assembly features aluminum Y-connectors for added durability.
  • Application specific – designed to match the original fit and function of heater hoses on certain vehicle years, makes and models
  • Complete replacement – hoses come with necessary clamps for easy installation
  • Quality engineering – designed in the United States and backed by decades of automotive aftermarket experience
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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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Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 25" Long, 1.31" Diameter (Part No.E71989)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 25" Long, 1.31" Diameter

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$33.99
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.800-411)

Heater Hose Connector

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$14.29
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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Gates – DriveAlign½ Belt Drive Idler/Tensioner Pulley (Part No.38009)

DriveAlign½ Belt Drive Idler/Tensioner Pulley

from

$25.99
Product Features:
  • Steel and thermoplastic construction designed to tight manufacturing tolerances for high durability and quality performance
  • Built to last with a superior resistance to dirt, salt, chemicals and other under-hood contaminants
  • OE-quality fit for virtually every domestic or import vehicle on the road today
  • Bearings meet or exceed OE standards with application-specific speed and load requirements, to withstand high under hood temperatures
  • Premium bearings eliminate bearing noise
  • Mounting hardware included for some popular applications
  • Reliable operation under severe conditions
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Dayco – Serpentine Idler/Tensioner Pulley; Polymer, 60mm Dia., 20mm Width, Smooth (Part No.89550)

Serpentine Idler/Tensioner Pulley; Polymer, 60mm Dia., 20mm Width, Smooth

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$43.99
Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong pl

Product Features:
  • Designed for the majority of automotive vehicle applications on the road today
  • High-quality materials help resist wear and improve belt life
  • Features premium lubricated bearings to extend service life
  • Meets or exceeds OE quality
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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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Gates – Premium Molded Heater Hose (Part No.19025)

Premium Molded Heater Hose

from

$16.49
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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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999034A)

Serpentine Belt Tensioner: 1 Piece

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$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._

Product Features:
  • Manufactured by the original equipment part supplier to ensure proper form, fit and performance
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life.
  • Installation instructions included.
  • Heavy Duty Glass Reinforced Polymer Pulley for optimized dimensional control and running surface durability
  • Professional Mechanics will change this tensioner in approx. 20 minutes to 1 Hour.
  • 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
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Gates – Complete+ Serpentine Belt Drive Component Kit (Part No.90K-38159)

Complete+ Serpentine Belt Drive Component Kit

from

$114.99
Product Features:
  • Designed for convenience, easy parts sourcing and reduced customer comebacks
  • Includes serpentine belt with premium EPDM construction, tensioner, applicable idler pulleys and applicable tensioner hardware
  • Meets or exceeds OE standards in form, function and fit
  • NOTE: Kit contents vary depending on specific needs of vehicle kit application
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Litens – Serpentine Belt Tensioner Kit: Includes Belt, Tensioner, and any applicable Idler Pulleys (Part No.LV999033B)

Serpentine Belt Tensioner Kit: Includes Belt, Tensioner, and any applicable Idler Pulleys

from

$112.99
This Litens Serpentine Belt Drive Component Kit fits 2002-2009 Chev Avalanche,Express,Silverado / GMC Envoy, Savana, Sierra, Yukon / Cadillac Escalade w/4.8/5.3/6.0L. These kits make it easy to maintain your entire front end accessory drive system. Eliminate the need to search for individual parts by purchasing this all-in-one solution. Front end accessory drives require maintenance at specific intervals, and parts should be replaced as part of your regularly scheduled tune-up to ensure your vehicle is at its best. Each kit contains a Litens belt tensioner, Bando serpentine belt, and any necessary idler pulley(s). All required hardware is included for the installation . Application specific instructions are also conveniently included. All parts meet or exceed OE fit, function, and 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.
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ACDelco – Heater Hose (Part No.R3030578543ACD)

Heater Hose

from

$68.23
Heater Hose

Dorman – Heater Hose (Part No.R30301097886DOR)

Heater Hose

from

$64.70
Heater Hose

Gates – Premium Molded Coolant Hose (Part No.21941)

Premium Molded Coolant Hose

from

$30.99
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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ACDelco – Professional Molded Coolant Hose (Part No.G2000576697ACD)

Professional Molded Coolant Hose

from

$59.27
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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Gates – Premium Molded Heater Hose (Part No.12118)

Premium Molded Heater Hose

from

$128.99
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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Gates – Straight Heater Hose: EPDM, Direct Fit, 0.5" Inside Diameter (Sold by foot) (Part No.28410)

Straight Heater Hose: EPDM, Direct Fit, 0.5" Inside Diameter (Sold by foot)

from

$3.29
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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Dayco – Poly Rib Belt Serpentine Belt; 92.32 Long, 6 Rib Count (Part No.5060923)

Poly Rib Belt Serpentine Belt; 92.32 Long, 6 Rib Count

from

$58.99
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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Gates – Micro-V« Serpentine Drive Belt (Part No.K060930)

Micro-V« Serpentine Drive Belt

from

$63.99
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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Yukon Gear – Seal Puller Tool (Part No.56063)

Seal Puller Tool

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$57.99
Pinion and axle seal puller. No return.

Product Features:
  • Seal puller
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2003 Cadillac Escalade Belts and Hoses

You count on your 2003 Cadillac Escalade 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 90 Belts and Hoses ranging in price from $0.83 to $397.99, you’re sure to find everything you need for your 2003 Cadillac Escalade.

Brands matter. If you want to shop a specific Belts and Hoses brand, we stock 13 different brands like Dayco, Dorman, and Driveworks. 2003 Cadillac Escalade Belts and Hoses start as low as $0.83!

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 4,869 extensive product reviews on 2003 Cadillac Escalade 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 Cadillac Escalade below to get started!

Top-Rated Belts and Hoses Brands For Your 2003 Cadillac Escalade

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 Cadillac Escalade running right for years to come. In our inventory you’ll find brands like Dayco, Dorman, Driveworks, 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 Cadillac Escalade 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 Cadillac Escalade, 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 Cadillac Escalade Belts and Hoses

What are the most purchased Belts and Hoses for the 2003 Cadillac Escalade?

Out of 90 Belts and Hoses for the 2003 Cadillac Escalade, 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 Cadillac Escalade Belts and Hoses?

Top-rated Belts and Hoses for your 2003 Cadillac Escalade 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”
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!”