2003 Cadillac Seville Belts and Hoses

Name: Metal Line Kit for Engine Oil Coolers
Brand: Imperial
SKU: 240293
Price: 87.99 USD

Below you will find various in-demand Cadillac Belts and Hoses, components and accessories for your 2003 Seville. Advance Auto Parts has popular Seville parts like Fuel Hoses, Heater Hoses, Engine Cooling Hoses and more. You’ll also find aftermarket and OEM Belts and Hoses for other Seville model years including 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2004 and more. Select a category of 2003 Cadillac Seville Belts and Hoses below and start saving instantly.

Popular 2003 Cadillac Seville Belts and Hoses Categories

Serpentine Belts

Belt Tensioner Assemblies

Idler Pulleys

Belt Tensioner Pulleys

Heater Hose Fittings

Engine Oil Cooler Hoses

Essential Belts and Hoses for 2003 Cadillac Sevilles

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$87.99

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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$48.49

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

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$18.29

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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$27.49

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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$230.17

Acc. Belt Tensioner

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$67.99

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 heavy-duty 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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$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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$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.

Product Features:

Manufactured by one of the largest original equipment part suppliers in the world to ensure proper form, fit, and performance.
Heavy Duty Steel Pulley with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance
Installation instructions included.

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$27.49

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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$18.29

Providing reliable service in applications requiring molded hoses, the Dayco 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
Meets Type EC electro-chemical requirements as specified in SAE J1684

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$18.81

PCV Valve Tubing

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$28.37

Built for passenger cars and light-duty trucks, Dayco’s extensive line of Poly Rib serpentine belts are engineered for high mileage, demanding drives found in today’s vehicles. As the manufacturer of the first original equipment multi-ribbed serpentine belt, Dayco’s commitment to automotive product excellence and innovation is unwavering. The Dayco Poly Rib W Profile serpentine belt is the most innovative advancement in serpentine belt design in more than 30 years. Developed through extensive laboratory and actual road mileage testing, this unique rib profile EPDM belt has been engineered to conform to high mileage, worn or misaligned drives and help eliminate noisy belt conditions. Constructed with aramid-reinforced EPDM compounds, the Dayco W Poly Rib serpentine belt delivers more than just OE-required quality. It delivers the solution to troublesome drive problems.

Product Features:

Constructed with aramid-reinforced EPDM compounds
Engineered to conform to high mileage, worn or misaligned drives
Helps eliminate noisy belt conditions Related Documents: (PDF 63.78 KB)

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$32.56

Drive Belt

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$49.49

Fuel filler neck leaking? This replacement fuel filler neck hose is engineered and thoroughly tested to match the original filler neck for specific vehicle years, makes and models for a reliable repair.

Product Features:

Direct replacement – this fuel filler neck hose is made to match the original equipment part on specific vehicles.
Durable construction – made of fuel-resistant materials to reduce future failure potential.
Regulatory compliant – built to meet emission and inspection standards
Trustworthy value – backed by team of engineers and quality control experts in the United States

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$104.99

Direct replacement – this fuel filler neck hose is made to match the original equipment part on specific vehicles.
Durable construction – made of fuel-resistant materials to reduce future failure potential.
Regulatory compliant – built to meet emission and inspection standards
Trustworthy value – backed by team of engineers and quality control experts in the United States

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$24.49

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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$19.42

Heater Hose Connecto

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$44.80

Acc. Belt Idler Pull

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$49.99

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 plastic pulleys with specially formulated glass-filled polymers that resist wear and tear. Premium lubricated ball bearings and double high temperature seals ensure peak bearing performance, the most critical element of a pulley’s service life.

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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$17.79

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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$17.79

Gates Vulco-Flex(R) II hose will bend in almost any direction. It easily replicates the angles and planes of a wide variety of expensive original equipment coolant hose, for quick, easy replacement.

Product Features:

Improved sealing surface for greater leak resistance
High flexibility for easy installation
Maximum vehicle coverage with minimum inventory
Resistant to heat, oil and ozone
Rated for SAE 20R5 Class D-2 performance
Temperature Range: up to +257 Deg. F (+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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$20.29

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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$24.99

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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$11.99

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
Meets Type EC electro-chemical requirements as specified in SAE J1684

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$37.99

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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$41.49

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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$33.49

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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$53.99

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 mileage, worn or misaligned drives and helps eliminate noisy belt conditions. Dayco poly rib serpentine belts offer extensive flexibility and longer service life, while handling higher workloads and temperatures.

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

Upgrade your 2003 Cadillac Seville with Top-Quality Belts and Hoses

When it comes to maintaining or upgrading your 2003 Cadillac Seville, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Cadillac or enhancing its overall performance, Belts and Hoses are key to keeping your Seville functioning at its best. At Advance Auto Parts, we offer a wide selection of 50 Belts and Hoses for the 2003 Cadillac Seville, designed to meet your needs without breaking the bank. From Fuel Hose replacements to Heater Hoses upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Belts and Hoses for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Belts and Hoses for your 2003 Cadillac Seville at great prices. Our Belts and Hoses inventory for this model ranges from just $2.49 to $262.87, with an average price of $50.64. Our 50 Belts and Hoses in stock come from 12 trusted brands, so you’re sure to find the right part for your 2003 Cadillac Seville without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2003 Cadillac Seville, we stock popular OEM and aftermarket Belts and Hoses from top names like Dayco, Litens, Dorman, and more. Dayco Belts and Hoses start at just $14.49 and boast an impressive 5 stars average rating from customers. Litens and Dorman also bring quality to the table, with Belts and Hoses available starting at $12.49, and at an average 5 stars rating. With 1,318 customer reviews and counting, our 2003 Cadillac Seville Belts and Hoses have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Belts and Hose upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2003 Cadillac Seville is always ready to roll. We’re committed to providing you with everything you need to keep your Seville in top shape, all in one place. Start shopping confidently below for your 2003 Cadillac Seville!

Best-Selling Fuel Hoses for 2003 Cadillac Sevilles

Enhance the driving experience in your Cadillac with 1 quality Fuel Hose components, starting at $104.99.

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from

$104.99

Direct replacement – this fuel filler neck hose is made to match the original equipment part on specific vehicles.
Durable construction – made of fuel-resistant materials to reduce future failure potential.
Regulatory compliant – built to meet emission and inspection standards
Trustworthy value – backed by team of engineers and quality control experts in the United States

Most Popular 2003 Cadillac Seville Heater Hoses

Customize your Cadillac with 6 Heater Hoses products like Heater Hoses and Heater Hose Fittings, all priced under $24.49.

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$14.49

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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$12.49

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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$24.49

HVAC heater hose connectors fail when the plastic material fatigues from heat and vibration. This upgraded Dorman OE FIX replacement connector is made from corrosion-resistant stainless steel for greater durability.

Product Features:

Improved design – this HVAC heater hose connector has been redesigned for greater durability the original equipment part.
Durable construction – this heater hose connector is made of stainless steel instead of the original equipment connector to reduce damage from heat fatigue and vibration.
Easy to install – matches the original equipment form and dimensions for a simple replacement
Quality tested – this part has undergone try-on, corrosion, heat and pressure testing to ensure a quality fit and long service life

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$17.49

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

from

$24.49

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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$19.42

Heater Hose Connecto

Top Picks for 2003 Cadillac Seville Engine Cooling Hoses

Upgrade Cadillac Sevilles with top-quality Engine Cooling Hoses parts, including 1 OEM and aftermarket selections for your 2003 model.

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$18.29

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

In-Demand Serpentine and V Belts for 2003 Cadillac Sevilles

Select from 13 premium Serpentine and V Belts parts for your 2003 Cadillac Seville, with prices ranging from $8.89 to $53.99.

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from

$19.79

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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$41.49

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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$11.99

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

from

$53.99

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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$53.99

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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$32.56

Drive Belt

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$8.89

Drive Belt

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$44.77

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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$38.25

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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$28.37

Constructed with aramid-reinforced EPDM compounds
Engineered to conform to high mileage, worn or misaligned drives
Helps eliminate noisy belt conditions Related Documents: (PDF 63.78 KB)

from

$18.49

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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$11.99

Carquest Standard serpentine belts are constructed from quality materials to ensure durability and a long lifespan. We design and manufacture each Carquest Standard belt to enhance belt-to-pulley contact, maximizing load-carrying capacity and extending belt life. Our serpentine belts are built with EPDM rubber and treated polyester cord to improve durability and belt life. Carquest Standard belts are the right choice when looking for OE fit, form, and function at a great price.

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
Meets OE fit, form, and function

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$9.69

The Mitsuboshi Drive Belt meets or exceeds the vehicle manufacturer’s specifications for durability, fit and quality.

Product Features:

OE-Equivalent.
Direct fit for easy installation.
Resistant against wear, oil and heat.

Most Sold 2003 Cadillac Seville Belt Tensioners

Explore our best-selling Cadillac parts for the 2003 Seville among 7 OEM and aftermarket options starting from $67.99.

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from

$67.99

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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$75.99

Litens was the Original Equipment (O.E.) supplier of this part and offers this “O.E. Exact”* part for the aftermarket. The Litens product meets all original equipment form, fit, and function specifications for this General Motors application. (*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: This tensioners has gone through numerous O.E. design modifications throughout the years, This tensioner is the 1st generation and covers all design change levels. New engine bolt included. Choosing The Correct Replacement Part: Both the original equipment and Litens aftermarket tensioner use a round spring versus a flat spring. 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 Steel Pulley with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance
Professional Mechanics will change this tensioner in approx. 20 minutes.
Accessory drive belts and tensioners are manufactured with similar design life targets. Since belt removal is required to change the tensioner, replacing both will extend the system service life and lower labor costs versus individual replacement.

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$107.53

(Tensioner only) Rigorously tested for a sustained, secure performance by a team of product and quality engineers, Dorman’s Automatic Belt Tensioner Assembly is designed to provide proper tension to a vehicle’s serpentine belt. It incorporates a damping design, torsion spring, and sealing system to ensure the proper functioning of many integral engine components. The Automatic Belt Tensioner Assembly is recommended for replacement when replacing the serpentine belt.

Product Features:

Quality tests on this part include torque testing, spring-back testing, corrosion-resistance testing, and on-vehicle testing
Solid steel or aluminum construction for long-lasting durability
Highly resistant to heat and shock
Designed to fit properly every time

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$78.99

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
Rust resistant construction

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$80.99

Litens was the Original Equipment (O.E.) supplier of this part and offers this General Motors tensioner for the aftermarket. 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). The aftermarket tensioner is integrated into a black mounting bracket. Caution: Unlike other aftermarket tensioners, the Litens tensioner maintains the original pulley dimensions for optimal performance. 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. Tensioner pre-attached to a steel mounting plate.
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.
Accessory drive belts and tensioners are manufactured with similar design life targets. Since belt removal is required to change the tensioner, replacing both will extend the system service life and lower labor costs versus individual replacement.

from

$186.07

Acc. Belt Tensioner

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$230.17

Acc. Belt Tensioner

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

Shop for the best-rated brands offering Belts and Hoses and other products for your 2003 Cadillac Sevilles. Below you’ll find some of our best rated Belts and Hoses from Dayco, Litens, and Dorman, and more. Belts and Hoses from these brands that fit a 2003 Seville start at just $12.49 and are rated as high as 5 stars. OEM and aftermarket Belts and Hoses don’t get more top quality, durable, and affordable than from the brands below.

Popular Dayco 2003 Cadillac Seville Belts and Hoses

When it comes to maintaining or upgrading your 2003 Cadillac Seville, using quality Belts and Hoses is essential to ensure durability and a perfect fit. Dayco ticks all of those boxes. We offer a wide selection of Dayco Belts and Hoses, specifically designed for the 2003 Cadillac Seville. With over 15 Dayco brand Belts and Hoses in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $14.49, with an average price of just $38.73. Plus, with over 519 customer reviews and an average rating of 5 stars, you can trust that our Dayco Belts and Hoses will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

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$18.29

This product is not rated

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

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$22.49

This product is not rated

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 6" Long, .75" Diameter

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$17.49

This product is not rated

Molded Heater Hose; EPDM Rubber, 7/8 Inch Diameter, 7 1/4 Inch Length

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Popular Litens 2003 Cadillac Seville Belts and Hoses

Litens auto parts is one of the highest quality Belts and Hose brands in the market. Any 2003 Cadillac Seville owner should feel confident when installing genuine Litens parts in their vehicle. To ensure the best fit and performance for your 2003 Seville, Advance Auto Parts carries a full inventory of 5 Litens Belts and Hoses. Plus you will be keeping your Cadillac in peak condition while saving money because prices on these Litens Belts and Hoses range from $32.49 to $80.99, plus, with more than 21 customer reviews and an impressive 5 stars average rating, you can be confident the Fram Belts and Hoses below will deliver on both quality and value.

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$58.99

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Idler/Tensioner Pulley: Direct Fit, Thermoplastic, 52mm Diameter

“Fit well. Works well.”

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$80.99

This product is not rated

Accessory Drive Belt Tensioner – Original Equipment Quality

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$73.99

This product is not rated

Idler Pulley: Direct Fit, Steel, 76mm Diameter

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FAQs for 2003 Cadillac Seville Belts and Hoses

Which Belts and Hoses are best-sellers for 2003 Cadillac Sevilles?

Out of 50 Belts and Hoses that fit 2003 Cadillac Sevilles, the following parts are the top sellers:

Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (22149402) – $12.49
Safety Stripe« Standard Straight Heater Hose (10504844) – $2.49
Poly Rib Belt Serpentine Belt; 81.5 Long, 6 Rib Count (3340112) – $41.49

What’s the price range for 2003 Cadillac Seville Belts and Hoses?

Belts and Hose prices for the 2003 Cadillac Seville start at $2.49 and go up to $262.87 for the most premium parts.

What’s the average price of a Belts and Hose for a 2003 Cadillac Seville?

The average price for Belts and Hoses for the 2003 Cadillac Seville is $50.64. Keep in mind the variety of part types within our Belts and Hose category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Belts and Hoses for other Cadillac Seville model years?

Yes, we currently carry Belts and Hoses for 28 model years of Cadillac Sevilles between 1976 and 2004. Belts and Hoses are bought most frequently for the following model years: 2004, 2002, 2001, 2000, 1999, 1998, 1997, 1996, and 1995.

What are the cheapest Belts and Hoses for my 2003 Cadillac Seville?

The cheapest 2003 Cadillac Seville Belts and Hoses we carry in stock are:

Safety Stripe« Standard Straight Heater Hose (10504844) – $2.49
Drive Belt (12168219) – $8.89
Drive V-Belt (11939235) – $9.69
Poly Rib Belt Serpentine Belt; 24.25 Long, 3 Rib Count (15060006) – $11.99
Serpentine Belt: 24.3" Long, 3 Rib Count (50164289) – $11.99

What are the top-rated Belts and Hoses that fit the 2003 Cadillac Seville?

Out of 1,318 reviews by customers, our 2003 Cadillac Seville Belts and Hoses have an average customer rating of . These are some of the highest-rated Belts and Hose types for the 2003 Cadillac Seville and their top-rated products:

Belt Tensioners
- Accessory Drive Belt Tensioner – Original Equipment Quality (10457645) – $75.99
- Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts (15130049) – $67.99
- Automatic Belt Tensioner (10748078) – $107.53
Serpentine and V Belts
- Accessory Drive Belt Tensioner – Original Equipment Quality (10457645) – $75.99
- Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts (15130049) – $67.99
- Automatic Belt Tensioner (10748078) – $107.53
Radiator Hoses
- Accessory Drive Belt Tensioner – Original Equipment Quality (10457645) – $75.99
- Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts (15130049) – $67.99
- Automatic Belt Tensioner (10748078) – $107.53

What types of Belts and Hoses do you sell for my 2003 Cadillac Seville?

As of 2/5/25, these are some of the most in-demand types of Belts and Hoses for a 2003 Cadillac Seville:

Can I get help with 2003 Cadillac Seville Belts and Hose orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Cadillac Belts and Hoses and more.

What is your return policy for Cadillac Seville Belts and Hoses?

Advance Auto Parts keeps returns simple. For new Cadillac Seville Belts and Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

2003 Cadillac Seville Belts and Hoses

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

Imperial – 1/2" x 12′ Engine Oil Cooler Hose (Part No.240112)

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

Gates – Premium Molded Coolant Hose (Part No.21759)

ACDelco – Acc. Belt Tensioner (Part No.G6001584561ACD)

Dayco – Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts (Part No.89266)

Dorman – Idler Pulley (Pulley only) (Part No.419-602)

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

Dayco – Molded Heater Hose; EPDM Rubber, 23/32 Inch Diameter, 11 Inch Length (Part No.86109)

Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 12 Inch Length (Part No.80401)

Dorman – PCV Valve Tubing (Part No.B20431094842DOR)

Dayco – Poly Rib Serpentine Belt (Part No.W1000164337DAY)

Bando – Drive Belt (Part No.W100081297BAN)

Dorman – Fuel Filler Neck Hose (Part No.573-088)

Dorman – Fuel Filler Neck Hose (Part No.573-106)

Dorman – Coolant Connector (Part No.800-431)

Dorman – Heater Hose Connecto (Part No.R3036834778DOR)

Motorcraft – Acc. Belt Idler Pull (Part No.G60203262902MTR)

Dayco – Serpentine Idler/Tensioner Pulley: Steel, 76mm Diameter, 31mm Width, Smooth (Part No.89159)

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 23.25" Long, 1.25" Diameter (Part No.E71194)

Gates – Vulco-Flex« II Flexible Coolant Hose (Part No.25477)

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 25" Long, 1.50" Diameter (Part No.E70867)

Gates – Premium Molded Heater Hose (Part No.19605)

Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 18 Inch Length (Part No.80403)

Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 6 Inch Length (Part No.87661)

Driveworks – Poly Rib Belt Serpentine Belt; 81.5 Long, 6 Rib Count (Part No.815K6)

Driveworks – Poly Rib Belt Serpentine Belt; 86.75 Long, 6 Rib Count (Part No.868K6)

Dayco – Poly Rib Belt Serpentine Belt; 87.6 Long, 6 Rib Count (Part No.5060875)

Dorman – Fuel Filler Neck Hose (Part No.573-106)

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 6" Long, .72" Diameter (Part No.A71544)

Dorman – Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (Part No.800-409)

Dorman – Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (Part No.800-409HP)

Dayco – Molded Heater Hose; EPDM Rubber, 7/8 Inch Diameter, 7 1/4 Inch Length (Part No.88353)

Dorman – Coolant Connector (Part No.800-431)

Dorman – Heater Hose Connecto (Part No.R3036834778DOR)

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

Dayco – Poly Rib Belt Serpentine Belt; 24.25 Long, 3 Rib Count (Part No.5030243)

Driveworks – Poly Rib Belt Serpentine Belt; 81.5 Long, 6 Rib Count (Part No.815K6)

Driveworks – Poly Rib Belt Serpentine Belt; 24.25 Long, 3 Rib Count (Part No.243K3)

Dayco – Poly Rib Belt Serpentine Belt; 81.5 Long, 6 Rib Count (Part No.5060815)

Gates – Micro-V« Serpentine Drive Belt (Part No.K060815)

Bando – Drive Belt (Part No.W100081297BAN)

Bando – Drive Belt (Part No.W10002440673BAN)

Mitsubishi – Multi-Rib (Serpentine) Belt (Part No.W100081297MBL)

ACDelco – Professional V-Ribbed Serpentine Belt (Part No.W1000578621ACD)

Dayco – Poly Rib Serpentine Belt (Part No.W1000164337DAY)

Gates – Micro-V« Serpentine Drive Belt (Part No.K030243)

Carquest Standard – Serpentine Belt: 24.3" Long, 3 Rib Count (Part No.243K3)

Mitsuboshi – Drive V-Belt (Part No.W1000205463MBL)

Dayco – Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts (Part No.89266)

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999156A)

Dorman – Automatic Belt Tensioner (Part No.G6001373677DOR)

Dayco – Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts (Part No.89317)

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999417A)

ACDelco – Acc. Belt Tensioner (Part No.G6001584575ACD)

ACDelco – Acc. Belt Tensioner (Part No.G6001584561ACD)