Cadillac STS Belts and Hoses

Essential Cadillac STS Belts and Hoses

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999690A)

Serpentine Belt Tensioner: 1 Piece

from

$69.99
Litens was the Original Equipment (O.E.) suppliers of this Cadillac tensioner and offers this “O.E. Exact”* part 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). This popular tensioner for the A/C drive is designed with a heavy duty steel pulley as well as a molded location pin to ensure accurate and secure mounting. The tensioner arm also has a molded lift feature to assist in pulley removal and installation. Choosing The Correct Replacement Part: Both the original equipment and Litens aftermarket tensioner use round spring technology 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.
  • Due to the fact that belts and tensioners have similar Original Equipment “design life targets”, it is often a best practice to replace the belt tensioner when replacing a worn or broken belt. Belt removal is required to change the tensioner. Therefore, d
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Bando – Multi Rib (Serpentine) Belt (Part No.W100088712BAN)

Multi Rib (Serpentine) Belt

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$21.34
Bando USA has been a leading OE supplier to automotive manufacturers for over 50 years and Bando serpentine belts are original equipment on over 70% of the top 10 selling vehicles in North America. Bando USA will not compromise on critical quality measurements. Bando belts are produced to the same, more precise OE metric size to deliver an exact fit within the millimeter, ensuring a perfect fit every time. In addition to exact metric sizing, Bando USA aftermarket serpentine belts provide true OE performance for its aftermarket belts, as they are produced on the same manufacturing lines as the OE belts. Installation Note: The manufacturer recommends checking and/or replacing idler and tensioner bearings when replacing the serpentine belts

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • Resistant against wear, oil and heat.
  • Strong tensile cords limit stretching.
  • Supports higher horsepower loads.
  • Made from high strength synthetic rubber.
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ACDelco – Fuel Injector Line (Part No.C1020582260ACD)

Fuel Injector Line

from

$143.93
Fuel Injector Line

Dayco – Dayco, Heater Hose, 90 deg (Part No.R3030752630DAY)

Dayco, Heater Hose, 90 deg

from

$13.56
Dayco, Heater Hose, 90 deg

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 12.5" Long, 1.31" Diameter (Part No.D72618)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 12.5" Long, 1.31" Diameter

from

$98.99
The Dayco curved radiator hose features knitted reinforcement, a protective sleeve and a synthetic EPDM rubber construction for high-strength performance, protection against abrasion and resistance to oil, mud, salt, road debris, ozone and coolants. It can also withstand temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose.

Product Features:
  • Meets SAE J20R4, Class D-1 requirements
  • Meets Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Provides excellent protection against external elements
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Dorman – Stainless Steel Fuel Line: 1/8" ID, 4 1/2" Long (Part No.904-007)

Stainless Steel Fuel Line: 1/8" ID, 4 1/2" Long

from

$60.99
This replacement fuel line is made to safely transfer fuel and endure in tough underhood and undercar conditions.

Product Features:
  • Trustworthy replacement – this fuel line safely replaces the original fuel line to fix fuel leaks
  • Durable design – withstands tough underhood and undercar conditions
  • Quality engineering – designed in the United States and backed by decades of automotive aftermarket experience
  • Comprehensive solutions – this fuel line is part of a diverse collection of fuel line repair solutions
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Dorman – Stainless Steel Fuel Line: 1/8" ID, 4 1/2" Long (Part No.904-006)

Stainless Steel Fuel Line: 1/8" ID, 4 1/2" Long

from

$98.99
This replacement fuel line is made to safely transfer fuel and endure in tough underhood and undercar conditions.

Product Features:
  • Trustworthy replacement – this fuel line safely replaces the original fuel line to fix fuel leaks
  • Durable design – withstands tough underhood and undercar conditions
  • Quality engineering – designed in the United States and backed by decades of automotive aftermarket experience
  • Comprehensive solutions – this fuel line is part of a diverse collection of fuel line repair solutions
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Gates – Premium Molded Coolant Hose (Part No.23028)

Premium Molded Coolant Hose

from

$88.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.

Product Features:
  • Specifically-engineered materials resist collapse under vacuum
  • Engineered to resist electrochemical degradation, the leading cause of hose failure
  • Pre-shaped to fit and to ensure perfectly sealed conditions
  • EPDM tube: synthetic fiber knit reinforcement: heat-, ozone- and chemical coolant-resistant EPDM cover
  • Meets requirements of SAE 20R4, class D2 and DIN 73411, class A (except for tolerances)
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
  • Caution: Do not use for fuel or oil transfer applications
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Dayco – Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 24 Inch Length (Part No.88422)

Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 24 Inch Length

from

$21.79
Providing reliable service in applications requiring molded hoses in small diameters, the Dayco small I.D. heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the “quick connect” end allows for fast, convenient installation.

Product Features:
  • Meets the requirements of SAE J20R3, Class D-1
  • Designed to meet Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Engineered as an OEM replacement
  • The knitted polyester reinforcement provides high burst strength and resists degradation from temperature extremes and moisture
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Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 12 Inch Length (Part No.87838)

Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 12 Inch Length

from

$12.49
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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Gates – Straight Heater Hose: EPDM, Direct Fit, 0.75" Inside Diameter (Sold by foot) (Part No.28412)

Straight Heater Hose: EPDM, Direct Fit, 0.75" Inside Diameter (Sold by foot)

from

$3.99
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
  • 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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Gates – Premium Molded Coolant Hose (Part No.20662)

Premium Molded Coolant Hose

from

$19.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.

Product Features:
  • Specifically-engineered materials resist collapse under vacuum
  • Engineered to resist electrochemical degradation, the leading cause of hose failure
  • Pre-shaped to fit and to ensure perfectly sealed conditions
  • EPDM tube: synthetic fiber knit reinforcement: heat-, ozone- and chemical coolant-resistant EPDM cover
  • Meets requirements of SAE 20R4, class D2 and DIN 73411, class A (except for tolerances)
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
  • Caution: Do not use for fuel or oil transfer applications
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Gates – Vulco« Straight Coolant Hose (Part No.24020)

Vulco« Straight Coolant Hose

from

$0.99
Specially engineered stick hose is ideal for straight coolant/air connections in automotive, stationary engine, industrial and home applications.

Product Features:
  • Heat-resistant cover
  • Cover marked in 1 in. increments to facilitate approximate cut lengths, allows ┐custom fit installations
  • Meets SAE 20R1 Standard Wall Class D-2 requirements
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Note: For a maintenance free connection, use PowerGrip SB clamps
  • Caution: Do not use for fuel or oil transfer applications
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Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 22.5" Long, 1.31" Diameter (Part No.E72676)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 22.5" Long, 1.31" Diameter

from

$107.99
The Dayco curved radiator hose features knitted reinforcement, a protective sleeve and a synthetic EPDM rubber construction for high-strength performance, protection against abrasion and resistance to oil, mud, salt, road debris, ozone and coolants. It can also withstand temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose.

Product Features:
  • Meets SAE J20R4, Class D-1 requirements
  • Meets Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Provides excellent protection against external elements
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Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 76 mm Diameter (Part No.900022A)

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

from

$32.49
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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Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 70 mm Diameter (Part No.900159A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 70 mm Diameter

from

$21.49
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 steel 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 Steel Pulley with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance
  • Installation instructions included.
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Dorman – Idler Pulley (Pulley only) (Part No.419-610)

Idler Pulley (Pulley only)

from

$12.49
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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Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 70 mm Diameter (Part No.900600A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 70 mm Diameter

from

$102.99
This Litens pulley is supplied by one of the largest original equipment suppliers in the world and meets all form, fit, and performance characteristics of the original equipment part . Like the G.M. Original Equipment pulley, the Litens replacement part is constructed of heavy duty steel for long life and trouble free performance. This pulley is supplied with a mounting bolt, front dustshield and aluminum spacer/post to facilitate installation. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Dayco – Serpentine Idler/Tensioner Pulley; Steel, 70mm Dia., 27mm Width, Smooth (Part No.89052)

Serpentine Idler/Tensioner Pulley; Steel, 70mm Dia., 27mm Width, Smooth

from

$20.79
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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Imperial – Metal Line Kit for Engine Oil Coolers (Part No.240293)

Metal Line Kit for Engine Oil Coolers

from

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

Product Features:
  • Metal line kit
  • For use in engine oil cooler applications
  • Routes oil lines past exhaust manifolds
  • Provides protection where standard hoses can fail
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Imperial – 1/2" x 12′ Engine Oil Cooler Hose (Part No.240112)

1/2" x 12' Engine Oil Cooler Hose

from

$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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Dayco – Poly Rib Belt Serpentine Belt; 37.5 Long, 5 Rib Count (Part No.5050375)

Poly Rib Belt Serpentine Belt; 37.5 Long, 5 Rib Count

from

$29.99
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
  • Made in the USA
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Gates – Micro-V« Serpentine Drive Belt (Part No.K080545)

Micro-V« Serpentine Drive Belt

from

$54.99
We are proud to offer this CARQUEST product line: CARQUEST Premium Serpentine Belts By Gates

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)
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Driveworks – Poly Rib Belt Serpentine Belt; 46.5 Long, 6 Rib Count (Part No.465K6)

Poly Rib Belt Serpentine Belt; 46.5 Long, 6 Rib Count

from

$29.49
This Driveworks v-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 belt has been constructed and engineered to meet the stringent demands of today’s automotive drive systems. The Driveworks v-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
  • Meets OEM requirements
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Dayco – Poly Rib Belt HD Serpentine Belt; 54.53 Long, 8 Rib Count, Heavy Duty (Part No.5080545)

Poly Rib Belt HD Serpentine Belt; 54.53 Long, 8 Rib Count, Heavy Duty

from

$53.99
Produced for heavy-duty vehicles and buses with multiple accessories, Dayco HD poly-V belts are made from EPDM material to resist heat and are compliant with the latest standards, guaranteeing resistance, reliability, low noise and longer service life. En

Product Features:
  • Engineered to handle operating conditions with temperatures up to 130°C (266°F)
  • Designed for multiple accessories such as A/C, power steering pumps, alternators and water pumps
  • Capable of delivering excellent performance in high torque and high power pulse applications
  • Specially formulated treated cord insures length and tension stability on heavy duty diesel engine drives for the life of the belt
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Helping You Find the Right Belts and Hoses for Your Cadillac STS

You love your STS. So we’ve made it easier than ever to help you find Cadillac STS Belts and Hoses in our online catalog. Our inventory holds 58 aftermarket and OEM Belts and Hoses for your Cadillac STS, ranging from $0.99 to $430.99.

We offer parts from 9 brands trusted to make quality Belts and Hoses for your Cadillac STS. Before you buy, take some time to read through customer reviews. We currently have 6,534 reviews of Cadillac STS Belts and Hoses from previous customers. Some of the top rated parts include Poly Rib Belt Serpentine Belt; 46.5 Long, 6 Rib Count with 4.7 stars and Idler Pulley (Pulley only) with 3.7 stars.

Find your STS Belts and Hoses here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Cadillac STS part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Belts and Hoses Brands for Your Cadillac STS

Our inventory holds Belts and Hoses for your Cadillac STS from 9 trusted brands. You’ll find OEM and aftermarket parts from brands like Dayco, Litens, and Driveworks, all of which can keep that Cadillac happy.

Top-Rated Dayco Belts and Hoses

Leading Dayco Belts and Hoses

We carry Dayco brand parts for your Cadillac STS across several catalog categories, including Pulleys and Serpentine and V Belts. Some of our most reviewed Dayco parts include:

FAQs for Cadillac STS Belts and Hoses

What are the most purchased Belts and Hoses for the Cadillac STS?

Out of 58 Belts and Hoses for the Cadillac STS, the most popular in our inventory are:
Serpentine Belt Tensioner: 1 Piece
from $69.99
This product is not rated
Serpentine Belt Tensioner: 1 Piece
Belt Tensioner Assemblies

What are the top-rated Cadillac STS Belts and Hoses?

Top-rated Belts and Hoses for your Cadillac STS based on customer reviews/ratings are:
Poly Rib Belt Serpentine Belt; 46.5 Long, 6 Rib Count
from $28.99
(3)
Poly Rib Belt Serpentine Belt; 46.5 Long, 6 Rib Count
“belts were squeaking, so I replaced the OEM belt with this Dayco belt and it fixed the problem.”
Idler Pulley (Pulley only)
from $12.49
(3)
Idler Pulley (Pulley only)
“I originally had a squeak that I though was the water pump, but a new sound emerged, replace 1 of the idler pulleys and still a small squeak. However,”
Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 12 Inch Length
from $24.99
(1)
Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 12 Inch Length
“A little longer than needed, but fits correctly after a little trimming… good value, too.”