1985 Cadillac DeVille Belts and Hoses

Name: Serpentine Idler/Tensioner Pulley: Direct Fit, Steel, 88.9 mm Diameter
Brand: ACDelco
SKU: 15-20676
Price: 30.49 USD

Below you will find various in-demand Cadillac Belts and Hoses, components and accessories for your 1985 DeVille. Advance Auto Parts has popular DeVille parts like Belt Tensioners, Serpentine and V Belts, Heater Hoses and more. You’ll also find aftermarket and OEM Belts and Hoses for other DeVille model years including 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 and more. Select a category of 1985 Cadillac DeVille Belts and Hoses below and start saving instantly.

Popular 1985 Cadillac DeVille Belts and Hoses Categories

Serpentine Belts

Belt Tensioner Assemblies

Idler Pulleys

Belt Tensioner Pulleys

Engine Oil Cooler Hoses

Drive Belt Idler Assemblies

Fuel Injection Fuel Feed Hose Seals

Essential Belts and Hoses for 1985 Cadillac DeVilles

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$30.49

ACDelco Gold (Professional) Accessory Drive Belt Idler Pulleys are a high quality alternative to Original Equipment (OE) parts. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

Product Features:

Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
Premium aftermarket replacement part
Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models

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$8.29

This HVAC control duct 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 HVAC control duct 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 heat or vibration
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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$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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$20.29

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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$16.49

The Dayco curved radiator hose features knitted reinforcement, a protective sleeve and a synthetic EPDM rubber construction for high-strength performance, protection against abrasion and resistance to oil, mud, salt, road debris, ozone and coolants. It can also withstand temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose.

Product Features:

Meets SAE J20R4, Class D-1 requirements
Meets Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
Provides excellent protection against external elements

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$18.79

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

Product Features:

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

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$27.49

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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$26.99

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

Product Features:

Fiber-loaded rubber stock adds flexibility along the length of the belt and provides greater lateral stability in the pulley
Form-ground to ensure precise top width and sidewall dimensional control for proper fit to the pulley
Thermally-active tensile cords for maintenance-free performance when properly installed and tensioned
Resists oil, heat, ozone, weather and aging for improved belt life
Meets or exceeds SAE J636C specifications

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$21.29

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

Product Features:

Designed for efficient power transmission to vehicle accessories in today’s trucks and buses
Provides greater durability and flexibility – 35% stronger than all previous versions
Features specially treated cords for added strength, stability and reliability
Made with specially formulated rubber compounds, this belt is highly resistant to extreme under hood temperatures that can cause premature damage to under engineered rubber compounds

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$21.99

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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$13.79

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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$49.49

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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$61.99

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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$46.99

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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$6.99

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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$3.49

GM Genuine Parts Multi Purpose Seals 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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$74.99

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 ensure a perfect seal
EPDM tube; synthetic fiber knit reinforcement; heat, ozone- and chemical coolant-resistant EPDM cover
Meets the requirements of SAE 20R4, Class D2 and DIN 73411, Class A (except for tolerances)
Temperature range -40 degrees F to +257 degrees F (-40 degrees C to +125 degrees C)
Note: Gates recommends replacing clamps and connectors each time a new cooling hose is installed.
Caution: Do not use for fuel or oil transportation applications.

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$24.99

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 increased leak resistance
High flexibility for easy installation
Maximum vehicle coverage with minimum inventory
Heat, oil and ozone resistant
Rated for SAE 20R5 Class D-2 performance
Temperature Range: up to +257 Degrees F (+125 Degrees C)
Note: Gates recommends replacing clamps and connectors each time a new cooling hose is installed.
Caution: Do not use for fuel or oil transportation applications.

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$48.99

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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$120.99

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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$34.49

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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$58.99

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 polymer 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
Installation instructions included.

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$61.99

Litens was the Original Equipment (O.E.) supplier of this part and offers this upgraded part for the aftermarket. The Litens product meets or exceeds all original equipment form, fit, and function specifications for this Cadillac tensioner This tensioner was upgraded to increased performance and provide a longer service life. Included in the upgrade was a change in pulley material from plastic to steel. This tensioner maintains the integrated lift feature for ease of belt installation and removal. Note: Most Non-O.E. aftermarket suppliers of this tensioner have removed the critical internal damping components. 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 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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$75.99

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.

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$78.99

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
Rust resistant construction

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$59.99

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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$48.99

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

Product Features:

Engine oil cooler hose
Size: 1/2″ x 12′
Designed for engine oil applications
12′ hose length accommodates most applications

Upgrade your 1985 Cadillac DeVille with Top-Quality Belts and Hoses

When it comes to maintaining or upgrading your 1985 Cadillac DeVille, 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 DeVille functioning at its best. At Advance Auto Parts, we offer a wide selection of 34 Belts and Hoses for the 1985 Cadillac DeVille, designed to meet your needs without breaking the bank. From Belt Tensioner replacements to Serpentine and V Belts 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 1985 Cadillac DeVille at great prices. Our Belts and Hoses inventory for this model ranges from just $1.99 to $69.99, with an average price of $30.09. Our 34 Belts and Hoses in stock come from 8 trusted brands, so you’re sure to find the right part for your 1985 Cadillac DeVille 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 1985 Cadillac DeVille, we stock popular OEM and aftermarket Belts and Hoses from top names like Litens, Dayco, Dorman, and more. Litens Belts and Hoses start at just $19.99 and boast an impressive 4.7 stars average rating from customers. Dayco and Dorman also bring quality to the table, with Belts and Hoses available starting at $7.99, and at an average 4.5 stars rating. With 1,107 customer reviews and counting, our 1985 Cadillac DeVille 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 1985 Cadillac DeVille is always ready to roll. We’re committed to providing you with everything you need to keep your DeVille in top shape, all in one place. Start shopping confidently below for your 1985 Cadillac DeVille!

Best-Selling Belt Tensioners for 1985 Cadillac DeVilles

Enhance the driving experience in your Cadillac with 1 quality Belt Tensioner components, starting at $69.99.

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$69.99

Litens was the Original Equipment (O.E.) supplier of this part and offers this upgraded part for the aftermarket. The Litens product meets or exceeds all original equipment form, fit, and function specifications for this General Motors tensioner. The tensioner offered maintains the lift feature to assist in belt removal and replacement as well as a heavy duty steel pulley. Caution: Many Non-O.E. aftermarket suppliers have removed the internal damping components and incorporated a plastic pulley for this application. Choosing The Correct Replacement Part: The Litens aftermarket tensioner use a round spring versus a flat spring and is 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 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.

Most Popular 1985 Cadillac DeVille Serpentine and V Belts

Customize your Cadillac with 7 Serpentine and V Belts products like Serpentine Belts, V-Belts, and Drive Belt Idler Assemblies, all priced under $66.99.

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$61.99

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

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$58.99

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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$52.99

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

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$49.49

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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$27.49

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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$66.99

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 OEM specifications
Replacement of the tensioner 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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$59.99

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 original equipment manufacturer specifications.
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.

Top Picks for 1985 Cadillac DeVille Heater Hoses

Upgrade Cadillac DeVilles with top-quality Heater Hoses parts, including 4 OEM and aftermarket selections for your 1985 model.

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$20.29

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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$26.99

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
Designed to resist electrochemical degradation, which is the leading cause of hose failure
EPDM tube, synthetic fiber 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. F (+135 Deg. C)
Note: Gates recommends replacing clamps and connectors each time a new radiator hose is installed.
Warning: Do not use for fuel or oil transfer applications

Silicone Straight Heater Hose (Sold by foot)

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$19.29

Constructed with silicone rubber. Ideal for extremely high temperature service in radiator, heater and other coolant transfer hose applications. Approved for marine applications.

Product Features:

High flexibility for versatile applications
High environmental resistance to weathering, coolant deterioration and ozone
Suitable for transmitter hose applications
Polyester textile cord reinforcement for high durability
Approved for marine applications
Meets MSHA 2G flame resistance designation
Temperature Range: -70 Deg. F to +400 Deg. F (-57 Deg. C to +204 Deg. C)
Note: For maintenance-free connection, use the PowerGrip SB clamps
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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$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
The knitted polyester reinforcement provides high burst strength and resists degradation from temperature extremes and moisture

In-Demand Pulleys for 1985 Cadillac DeVilles

Select from 7 premium Pulleys parts for your 1985 Cadillac DeVille, with prices ranging from $14.99 to $34.49.

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$19.99

This pulley is manufactured by Litens Automotive the original equipment part supplier and 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
Installation instructions included.

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$31.99

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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$30.49

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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$34.49

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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$14.99

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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$32.99

Gates is a leading manufacturer of Original Equipment (OE) idler pulleys. Gates DriveAlign(R) Idler Pulleys meet or exceed OE specifications. High quality, high strength bearings run cooler and last longer than original bearings. DriveAlign Idler Pulleys are built to last by resisting dirt, salt, and other under-hood contaminants. Designed for use on automobiles and light trucks as locked center tensioning, automatic belt tensioning and idler pulleys.

Product Features:

Steel and thermoplastic construction designed to tight manufacturing tolerances for durability and quality performance.
Built to last with superior resistance to dirt, salt, chemicals, and other engine compartment 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 in harsh conditions

from

$19.99

Autotecnica offers high-quality aftermarket parts for a wide variety of Asian and North American passenger cars and trucks, include braking, cooling, driveline, electrical, engine, fuel, HVAC, steering, and suspension categories. Manufactured in strict accordance with ISO/TS 16949 QMS specifications, Autotecnica is the smart choice. Whether you’re a DIY enthusiast or professional technician in need of replacement parts that meet OEM specifications, Autotecnica is an excellent alternative to expensive “Genuine” components.

Most Sold 1985 Cadillac DeVille Radiator Hoses

Explore our best-selling Cadillac parts for the 1985 DeVille among 4 OEM and aftermarket options starting from $1.99.

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from

$23.49

Improved sealing surface for improved leak resistance
High flexibility for easy installation
Maximum vehicle coverage with minimum inventory
Heat, oil and ozone resistant
Rated for SAE 20R5 Class D-2 performance
Temperature range: up to +257 degrees Celsius. F (+125 Deg. C)
Note: Gates recommends replacing clamps and connectors each time a new radiator hose is installed.
Warning: Do not use for fuel or oil transfer applications

from

$19.29

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

$13.79

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

from

$1.99

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.

Top-Rated Belts and Hoses Brands For Your 1985 Cadillac DeVille

Shop for the best-rated brands offering Belts and Hoses and other products for your 1985 Cadillac DeVilles. Below you’ll find some of our best rated Belts and Hoses from Litens, Dayco, and Dorman, and more. Belts and Hoses from these brands that fit a 1985 DeVille start at just $7.99 and are rated as high as 4.7 stars. OEM and aftermarket Belts and Hoses don’t get more top quality, durable, and affordable than from the brands below.

Popular Litens 1985 Cadillac DeVille Belts and Hoses

When it comes to maintaining or upgrading your 1985 Cadillac DeVille, using quality Belts and Hoses is essential to ensure durability and a perfect fit. Litens ticks all of those boxes. We offer a wide selection of Litens Belts and Hoses, specifically designed for the 1985 Cadillac DeVille. With over 2 Litens 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 $19.99, with an average price of just $27.24. Plus, with over 17 customer reviews and an average rating of 4.7 stars, you can trust that our Litens 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.

from $34.49

(16)

Idler/Tensioner Pulley: Direct Fit, Steel, 76mm Diameter

“89 full size blazer replacement for worn out plastic one.”

from $19.99

(1)

Idler/Tensioner Pulley: Direct Fit, Thermoplastic, 90mm Diameter

“Easy install – fix noise issue from bad bearing.”

Popular Dayco 1985 Cadillac DeVille Belts and Hoses

Dayco auto parts is one of the highest quality Belts and Hose brands in the market. Any 1985 Cadillac DeVille owner should feel confident when installing genuine Dayco parts in their vehicle. To ensure the best fit and performance for your 1985 DeVille, Advance Auto Parts carries a full inventory of 3 Dayco Belts and Hoses. Plus you will be keeping your Cadillac in peak condition while saving money because prices on these Dayco Belts and Hoses range from $14.99 to $31.99, plus, with more than 973 customer reviews and an impressive 4.5 stars average rating, you can be confident the Fram Belts and Hoses below will deliver on both quality and value.

from $30.49

(454)

Idler Pulley, Dayco

“Great”

from $31.99

(516)

Idler Pulley, Dayco

“Perfect fit”

from $14.99

(3)

Flex Radiator Hoses; EPDM Rubber, 19.5 In. Long, 1.75 In. to 1.5 In. Inner Dia.

“Worked great.”

FAQs for 1985 Cadillac DeVille Belts and Hoses

Which Belts and Hoses are best-sellers for 1985 Cadillac DeVilles?

Out of 34 Belts and Hoses that fit 1985 Cadillac DeVilles, the following parts are the top sellers:

Poly Rib Belt Serpentine Belt; 87.01 Long, 6 Rib Count (5062926) – $49.49
Poly Rib Belt Serpentine Belt; 70.5 Long, 6 Rib Count (5063124) – $61.99
Poly Rib Belt Serpentine Belt; 70.5 Long, 6 Rib Count (3290133) – $58.99

What’s the price range for 1985 Cadillac DeVille Belts and Hoses?

Belts and Hose prices for the 1985 Cadillac DeVille start at $1.99 and go up to $69.99 for the most premium parts.

What’s the average price of a Belts and Hose for a 1985 Cadillac DeVille?

The average price for Belts and Hoses for the 1985 Cadillac DeVille is $30.09. 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 DeVille model years?

Yes, we currently carry Belts and Hoses for 51 model years of Cadillac DeVilles between 1953 and 2005. Belts and Hoses are bought most frequently for the following model years: 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, and 1997.

What are the cheapest Belts and Hoses for my 1985 Cadillac DeVille?

The cheapest 1985 Cadillac DeVille Belts and Hoses we carry in stock are:

Straight Heater Hose: EPDM, Direct Fit, 0.625" Inside Diameter (sold by foot) (10505038) – $1.99
Fuel Feed Pipe O-Ring (15730384) – $3.49
Carburetor Pre-Heater Hose – 1-3/4 In. X 18 In. – Aluminum (5194679) – $7.99
Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 7 Inch Length (15590030) – $11.99
Curved Radiator Hoses: EPDM Rubber, Standard Duty, 22" Long, 1.25" Diameter (5199581) – $13.79

What are the top-rated Belts and Hoses that fit the 1985 Cadillac DeVille?

Out of 1,107 reviews by customers, our 1985 Cadillac DeVille Belts and Hoses have an average customer rating of . These are some of the highest-rated Belts and Hose types for the 1985 Cadillac DeVille and their top-rated products:

Duct Hoses
- Carburetor Pre-Heater Hose – 1-3/4 In. X 18 In. – Aluminum (5194679) – $7.99
Serpentine and V Belts
- Carburetor Pre-Heater Hose – 1-3/4 In. X 18 In. – Aluminum (5194679) – $7.99

What types of Belts and Hoses do you sell for my 1985 Cadillac DeVille?

As of 11/2/25, these are some of the most in-demand types of Belts and Hoses for a 1985 Cadillac DeVille:

Can I get help with 1985 Cadillac DeVille 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 DeVille Belts and Hoses?

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

1985 Cadillac DeVille Belts and Hoses

ACDelco – Serpentine Idler/Tensioner Pulley: Direct Fit, Steel, 88.9 mm Diameter (Part No.15-20676)

Dorman – Help – Carburetor Pre-Heater Hose – 2 In. X 18 In. – Aluminum (Part No.96024)

Dayco – Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 36 Inch Length (Part No.80416)

Dayco – Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 10-1/2 Inch Length (Part No.88444)

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 17.25" Long, 1.50" Diameter (Part No.D70861)

Dayco – Flex Radiator Hoses; EPDM Rubber, 18.75 Inch Long, 1.75 Inch Inner Dia. (Part No.81341)

Dayco – Idler Pulley, Dayco (Part No.89027)

Gates – Automotive XL High Capacity V-Belt (Part No.7385)

Dayco – Bottom Cog V-Belt; 43.5 Inch Long, Exact Fit Premium Quality (Part No.17435)

Dayco – Flex Radiator Hoses; EPDM Rubber, 19.88 Inch Long, 1.5 Inch Inner Dia. (Part No.81181)

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 22" Long, 1.25" Diameter (Part No.E71557)

Driveworks – Poly Rib Belt Serpentine Belt; 87.01 Long, 6 Rib Count (Part No.870K6)

Dayco – Poly Rib Belt Serpentine Belt; 86.75 Long, 6 Rib Count (Part No.5060868)

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

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 3.25" Long, .63" Diameter (Part No.A70001)

GM Genuine Parts – Fuel Feed Pipe O-Ring (Part No.217-452)

Gates – Premium Molded Coolant Hose (Part No.20492)

Gates – Vulco-Flex II Flexible Coolant Hose (Part No.25484)

Dorman – Fuel Filler Neck Hose (Part No.573-025)

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

Litens – Idler/Tensioner Pulley: Direct Fit, Steel, 76mm Diameter (Part No.900022A)

Litens – Idler/Tensioner Pulley: Direct Fit, Thermoplastic, 52mm Diameter (Part No.900015A)

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999046A)

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

Dayco – Automatic Belt Tensioner (Part No.89317)

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

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

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999045A)

Driveworks – Poly Rib Belt Serpentine Belt; 70.5 Long, 6 Rib Count (Part No.705K6)

Dayco – Poly Rib Belt Serpentine Belt; 70.5 Long, 6 Rib Count (Part No.5060705)

Dayco – Poly Rib Belt Serpentine Belt; 87.01 Long, 6 Rib Count (Part No.5060870)

Driveworks – Poly Rib Belt Serpentine Belt; 87.01 Long, 6 Rib Count (Part No.870K6)

Dayco – Idler Pulley, Dayco (Part No.89027)

Gates – Micro-V Serpentine Drive Belt (Part No.K060868)

Gates – Micro-V Serpentine Drive Belt (Part No.K060705)

Dayco – Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 16 1/4 Inch Length (Part No.88356)

Gates – Premium Molded Heater Hose (Part No.18836)

Gates – Silicone Straight Heater Hose (Sold by foot) (Part No.26242)

Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 7 Inch Length (Part No.87681)

Litens – Idler/Tensioner Pulley: Direct Fit, Thermoplastic, 90mm Diameter (Part No.906003A)

Dayco – Idler Pulley, Dayco (Part No.89006)

Dayco – Idler Pulley, Dayco (Part No.89007)

Litens – Idler/Tensioner Pulley: Direct Fit, Steel, 76mm Diameter (Part No.900022A)

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

Gates – DriveAlign Belt Drive Idler/Tensioner Pulley (Part No.38006)

Autotecnica – Accessory Belt Idler Pulley (Part No.GM1413162)

Gates – Vulco-Flex II Flexible Coolant Hose (Part No.25305)

Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 17 1/2 Inch Length (Part No.87841)

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 22" Long, 1.25" Diameter (Part No.E71557)

Gates – Straight Heater Hose: EPDM, Direct Fit, 0.625" Inside Diameter (sold by foot) (Part No.28411)