Audi A4 Belts and Hoses

Essential Audi A4 Belts and Hoses

Vaico – Booster Vacuum Hose (Part No.N4020946908VCO)

Booster Vacuum Hose

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$93.63
The Vaico Booster Vacuum Hose is an ideal high quality aftermarket replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium aftermarket replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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ContiTech – Drive Belt (Part No.W1000861582CON)

Drive Belt

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$40.53
ContiTech Serpentine Belts come in a wide range of sizes and are designed to be oil-resistant and temperature-stable from -22F to 176F (-30C to 80C). ContiTech Serpentine Belts deliver 98% power efficiency. While a lower profile design easily handles higher engine revs, reducing noise and providing cooler running temperatures. High performance construction features include polychloroprene rubber cover and body, polyester fiber tensile members, and a ribbed belt design. 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.
  • Temperature-stable from -22F to 176F (30C to 80C).
  • Delivers over 98% power efficiency.
  • High performance construction.
  • Polychloroprene rubber cover and body.
  • Polyester fiber tensile members and a ribbed belt design.
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APA/URO Parts – C Clip Retainer (Part No.G2050240713APA)

C Clip Retainer

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$1.25
C Clip Retainer

CRP – Hose Clamp (Part No.Y3063860142CRP)

Hose Clamp

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$2.07
Hose Clamp

Dayco – Serpentine Assy. Idler/Tensioner Pulley; Steel, 60mm Dia., 19mm Width, 4 Grooves (Part No.89072)

Serpentine Assy. Idler/Tensioner Pulley; Steel, 60mm Dia., 19mm Width, 4 Grooves

from

$46.99
Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong pl

Product Features:
  • Designed for the majority of automotive vehicle applications on the road today
  • High-quality materials help resist wear and improve belt life
  • Features premium lubricated bearings to extend service life
  • Meets or exceeds OE quality
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Gates – Molded Heater Hose: EPDM, Plastic, Steel, Direct Fit, 1.24" Inside Diameter (Part No.22465)

Molded Heater Hose: EPDM, Plastic, Steel, Direct Fit, 1.24" Inside Diameter

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$220.99
Modular coolant hoses are on many of today’s vehicles and are much more complex than the standard molded hoses of the past. Modular coolant hoses are hose assemblies with one or more components built into the hose. Some examples of these components include hose branches, quick connectors, valves, sensors, bleeders and flow restrictors. Manufactured identical or equivalent to the OE hose, modular coolant hoses will keep your vehicle’s cooling system running properly and efficiently for years to come.

Product Features:
  • Specifically-engineered materials resist collapse under vacuum
  • Engineered to resist electrochemical degradation – the leading cause of hose failure
  • EPDM tube; synthetic fiber knit reinforcement, heat-, ozone- and chemical coolant-resistant EPDM cover
  • Manufactured with OEM-exact hose components (quick connects, branch connectors/tees, sensors, etc.)
  • Meets SAE 20R3 EC Class D1 under 25mm (1 in.) ID, SAE 20R4 EC Class D1 for 25mm (1 in.) ID and over
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Note: Gates recommends replacing clamps each time a new coolant hose is installed
  • Caution: Do not use for fuel or oil transfer applications
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Litens – O.E Quality Idler/Tensioner Pulley Direct Fit Thermoplastic 75.5 mm Diameter (Part No.900618A)

O.E Quality Idler/Tensioner Pulley Direct Fit Thermoplastic 75.5 mm Diameter

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$55.99
This Litens supplied pulley is manufactured to original equipment specifications. This part is specifically designed for Audi applications. Heavy duty thermoplastic pulley construction ensures long life and trouble-free performance. This pulley meets or exceeds all original equipment fit, form, and performance characteristics. For maximum performance and durability, always use genuine Litens components. 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. Our line is made up of over 900 ADTs, Pulleys, and OADs. 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 thermoplastic pulley construction
  • OE-spec sealed ball bearings with synthetic grease and double lip seals for long life
  • All hardware included for easy installation (Bolt, Dust Shield, Spacer), saving you time!
  • Installation instructions included
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Dayco – Serpentine Idler/Tensioner Pulley; Steel, 76mm Dia., 28mm Width, Smooth (Part No.89059)

Serpentine Idler/Tensioner Pulley; Steel, 76mm Dia., 28mm Width, Smooth

from

$51.99
Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong pl

Product Features:
  • Designed for the majority of automotive vehicle applications on the road today
  • High-quality materials help resist wear and improve belt life
  • Features premium lubricated bearings to extend service life
  • Meets or exceeds OE quality
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Dorman – Heater Hose Connecto (Part No.R3036700913DOR)

Heater Hose Connecto

from

$24.48
Heater Hose Connecto

Elaplast – Elaplast Cooling Hose (Part No.G202184761ELA)

Elaplast Cooling Hose

from

$9.28
Elaplast brand engine cooling products are designed and manufactured to exceed original equipment (OE) specifications and are engineered to operate in the highly-stressful environment of today’s higher performance cooling systems. The Elaplast line of cooling system hoses are designed to meet OE standards and are subjected to rigorous quality and performance tests.

Product Features:
  • All cooling-water hose inner linings are resistant to electrochemical cracking
  • high strength and resistance to oil, mud, salt, road debris, and ozone
  • Resistance to distilled water and water ethylene glycol mixtures
  • Resistance to air temperatures of up to 125C
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APA/URO Parts – Expansion Tank Hose (Part No.G2030181376APA)

Expansion Tank Hose

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$95.20
All APA/URO rubber coolant hoses are pre-shaped and double reinforced for extra strength and durability. Each hose is manufactured from ECD (Electro Chemical Degradation) resistant materials, which prevents electrolysis from breaking down the rubber from the inside out. All APA/URO cooling components are made to meet or exceed OE standards.

Product Features:
  • All cooling-water hose inner linings are resistant to electrochemical cracking
  • high strength and resistance to oil, mud, salt, road debris, and ozone
  • Resistance to distilled water and water ethylene glycol mixtures
  • Resistance to air temperatures of up to 125C
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.950440A)

Serpentine Belt Tensioner: 1 Piece

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$79.99
Litens was the Original Equipment (O.E.) supplier of this VW/Audi tensioner and offers this “O.E. Exact”* part for the aftermarket. This “OE 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 tensioner is designed with a lift feature and a pin-locking devise to assist in belt removal and installation. Like the original part, the pulley is the European split steel design. 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 Germany”. 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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Rein – Rein Cooling Hose (Part No.G2021550701RIN)

Rein Cooling Hose

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$7.77
Designed to be direct replacements for OE hoses and assemblies, Rein hoses are identical, from the size and shape of their branches to the thermoplastic quick connect fittings when called for by the original manufacturer. Rein hose systems, feature integrated thermoplastic couplings, O-ring seals, and multiple connections that branch out to various engine components. Rein Automotive hoses are designed to fit just like the OE hose. No more cutting hoses to fit or repurposing old quick connect fittings.

Product Features:
  • Direct OE replacement for European cars
  • Integrated thermoplastic couplings and O-ring seals
  • Designed to go directly from the shelf to the vehicle. No cutting is ever needed
  • All cooling-water hose inner linings are resistant to electrochemical cracking
  • high strength and resistance to oil, mud, salt, road debris, and ozone
  • Resistance to distilled water and water ethylene glycol mixtures
  • Resistance to air temperatures of up to 135C
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Rein – BREATHER HOSE (Part No.ABV0223)

BREATHER HOSE

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$24.99
Rein Automotive OE quality Air Hoses fit European vehicles the way the original manufacturer intended. Designed to be direct replacements for OE hoses, Rein hoses are identical to the OEM.

Product Features:
  • Matches original equipment design specifications.
  • Manufactured with high quality materials.
  • Direct fit for easy installation.
  • Resistant to heat, salt, road debris, oil and other contaminants.
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Dorman – Coolant Hose Connector (Part No.902-714)

Coolant Hose Connector

from

$5.99
This radiator coolant hose connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this radiator coolant hose connector matches the appearance and function of the factory hardware on specified applications
  • Ideal solution – this connector is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Hutchinson – Hutchinson Radiator Hose (Part No.G2000116191HUT)

Hutchinson Radiator Hose

from

$53.66
First-fit supplier to numerous automotive manufacturers, Hutchinson is today recognized as a leading world expert on engine cooling system hose solutions. Controlling design and manufacture, Hutchinson uses state-of-the-art technology due to its digital calculation capacity and its expert knowledge of fluid mechanics, and benefits from its significant mastery of plastic, silicone, metal and rubber materials that are used in these increasingly complex parts. Hutchinson became the market leader with easy and reliable solutions for manufacturers with extensive ranges of quick-release and click-on connections. In terms of automotive spare parts, Hutchinson offers access to first-fit parts for the replacement of radiator inlet and outlet hoses, parts used for the circulation of cooling liquid.

Product Features:
  • The lifespan of the hoses is close to that of the vehicle Manufacturer.
  • All cooling-water hose inner linings are resistant to electrochemical cracking
  • high strength and resistance to oil, mud, salt, road debris, and ozone
  • Resistance to distilled water and water ethylene glycol mixtures
  • Resistance to air temperatures of up to 125C
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Rein – Rein Pro Series Complete Kit (Part No.RCW0002)

Rein Pro Series Complete Kit

from

$429.99
Rein OE Quality Pro Series Drive System kits are the ultimate solution for servicing your vehicle’s belt systems. Rein OE Quality Pro Series Drive Kits comes with all the needed belts, tensioners, idlers, and water pump needed to ensure that your cars belt systems are replaced properly with easy installation

Product Features:
  • All components come in one box to ensure that no components need to be reused preventing costly warranties
  • OE Quality components
  • All water pumps are provided with needed gaskets
  • OE designed bearings ensuring long life
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Rein – Belt Tensioner Bolt (Part No.HWB0035)

Belt Tensioner Bolt

from

$2.99
Rein Automotive bolt and hardware kits are manufactured with premium materials and are direct replacements for the OE. Kits include all necessary bolts to complete a specific repair.

Product Features:
  • Includes all the bolts needed to complete the job.
  • Designed as direct-fit replacements to ensure trouble-free proper installation.
  • Manufactured to strict engineering standards and specifications for materials and tolerances.
  • Restores the vehicle to safe and optimal performance levels.
  • Aluminum bolts are torque to yield and must be replaced once they are removed.
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Dorman – Help – PCV Breather Hose (Part No.48006)

PCV Breather Hose

from

$25.49
Proper crankcase ventilation is key to smooth performance and engine longevity. Made from quality materials to resist cracking and brittleness, this PCV hose replaces a worn or leaking original equipment hose.

Product Features:
  • Ideal replacement – this PCV tubing replaces the original hose on specified vehicle years, makes and models
  • Durable materials – this PCV hose is designed to withstand exposure to extreme temperatures and oil vapors to resist cracking and leaking
  • Cost-effective solution – offers original equipment quality at a competitive price
  • Quality tested – this part has undergone try-on and material testing to ensure a quality fit and long service life
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Dayco – Poly Rib Belt Serpentine Belt; 33.86 Long, 4 Rib Count (Part No.5040338)

Poly Rib Belt Serpentine Belt; 33.86 Long, 4 Rib Count

from

$28.49
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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Gates – Micro-V« Serpentine Drive Belt (Part No.K060620)

Micro-V« Serpentine Drive Belt

from

$29.99
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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Driveworks – Poly Rib Belt Serpentine Belt; 74.5 Long, 6 Rib Count (Part No.745K6)

Poly Rib Belt Serpentine Belt; 74.5 Long, 6 Rib Count

from

$27.49
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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Vaico – Vaico Heater Hose (Part No.R3030170604VCO)

Vaico Heater Hose

from

$127.54
Vaico engine cooling products are designed and manufactured to exceed original equipment (OE) specifications and are engineered to operate in the highly-stressful environment of today’s higher performance cooling systems. The Vaico line of cooling system hoses are designed to meet OE standards and are subjected to rigorous quality and performance tests.

Product Features:
  • Quick connector made in Germany
  • All cooling-water hose inner linings are resistant to electrochemical cracking
  • high strength and resistance to oil, mud, salt, road debris, and ozone
  • Resistance to distilled water and water ethylene glycol mixtures
  • Resistance to air temperatures of up to 125C
See More

Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 6 Inch Length (Part No.80400)

Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 6 Inch Length

from

$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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Dayco – Molded Heater Hose; EPDM Rubber, 1/4 Inch Diameter, 8 1/4 Inch Length (Part No.86500)

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

from

$11.29
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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Helping You Find the Right Belts and Hoses for Your Audi A4

You love your A4. So we’ve made it easier than ever to help you find Audi A4 Belts and Hoses in our online catalog. Our inventory holds 200 aftermarket and OEM Belts and Hoses for your Audi A4, ranging from $1.25 to $596.98.

We offer parts from 24 brands trusted to make quality Belts and Hoses for your Audi A4. Before you buy, take some time to read through customer reviews. We currently have 3,790 reviews of Audi A4 Belts and Hoses from previous customers. Some of the top rated parts include Serpentine Idler/Tensioner Pulley; Steel, 76mm Dia., 28mm Width, Smooth with 4.2 stars and Poly Rib Belt Serpentine Belt; 74.5 Long, 6 Rib Count with 4.8 stars.

Find your A4 Belts and Hoses here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Audi A4 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 Audi A4

Our inventory holds Belts and Hoses for your Audi A4 from 24 trusted brands. You’ll find OEM and aftermarket parts from brands like Dayco, DriveWorks, and Litens, all of which can keep that Audi happy.
We have Original Equipment parts available for your Audi A4 in categories like Heater Hoses. Some of the top-rated Original Equipment parts in these categories are:
Original Equipment Heater Hose
from $22.99
(28)
Original Equipment Heater Hose
Heater Hoses

Top-Rated Dayco Belts and Hoses

Leading Dayco Belts and Hoses

We carry Dayco brand parts for your Audi A4 across several catalog categories, including Serpentine and V Belts. Some of our most reviewed Dayco parts include:
Poly Rib Belt Serpentine Belt; 95.08 Long, 6 Rib Count
from $58.99
(268)
Poly Rib Belt Serpentine Belt; 95.08 Long, 6 Rib Count
Serpentine Belts
Poly Rib Belt Serpentine Belt; 74.02 Long, 6 Rib Count
from $54.99
(70)
Poly Rib Belt Serpentine Belt; 74.02 Long, 6 Rib Count
Serpentine Belts
Poly Rib Belt Serpentine Belt; 33.86 Long, 4 Rib Count
from $28.49
(63)
Poly Rib Belt Serpentine Belt; 33.86 Long, 4 Rib Count
Serpentine Belts

FAQs for Audi A4 Belts and Hoses

What are the most purchased Belts and Hoses for the Audi A4?

Out of 200 Belts and Hoses for the Audi A4, the most popular in our inventory are:
Poly Rib Belt Serpentine Belt; 33.86 Long, 4 Rib Count
from $15.49
(22)
Poly Rib Belt Serpentine Belt; 33.86 Long, 4 Rib Count
Serpentine Belts
Poly Rib Belt Serpentine Belt; 95.08 Long, 6 Rib Count
from $40.99
(39)
Poly Rib Belt Serpentine Belt; 95.08 Long, 6 Rib Count
Serpentine Belts

What are the top-rated Audi A4 Belts and Hoses?

Top-rated Belts and Hoses for your Audi A4 based on customer reviews/ratings are:
Poly Rib Belt Serpentine Belt; 74.5 Long, 6 Rib Count
from $37.99
(37)
Poly Rib Belt Serpentine Belt; 74.5 Long, 6 Rib Count
“Dayco Poly Rib belts are of the best design and quality. Very quiet! Always use brand name, not generic..it’s worth it!”
Poly Rib Belt Serpentine Belt; 74.02 Long, 6 Rib Count
from $34.99
(33)
Poly Rib Belt Serpentine Belt; 74.02 Long, 6 Rib Count
“Really easy to install”