2003 Audi A4 Belts and Hoses

Essential 2003 Audi A4 Belts and Hoses

Gates – DriveAlign½ Belt Drive Idler/Tensioner Pulley (Part No.38018)

DriveAlign½ Belt Drive Idler/Tensioner Pulley

from

$25.99
Product Features:
  • Steel and thermoplastic construction designed to tight manufacturing tolerances for high durability and quality performance
  • Built to last with a superior resistance to dirt, salt, chemicals and other under-hood contaminants
  • OE-quality fit for virtually every domestic or import vehicle on the road today
  • Bearings meet or exceed OE standards with application-specific speed and load requirements, to withstand high under hood temperatures
  • Premium bearings eliminate bearing noise
  • Mounting hardware included for some popular applications
  • Reliable operation under severe conditions
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APA/URO Parts – C Clip Retainer (Part No.G2050240713APA)

C Clip Retainer

from

$1.30
C Clip Retainer

CRP – Expansion Tank Hose (Part No.G2030127002)

Expansion Tank Hose

from

$11.82
Expansion Tank Hose

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 12" Long, 1.25" Diameter (Part No.D72786)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 12" Long, 1.25" Diameter

from

$51.99
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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Vaico – Q+ OE Quality Booster Vacuum Hose (Part No.N4020188812VCO)

Q+ OE Quality Booster Vacuum Hose

from

$63.30
The Vaico Booster Vacuum Hose is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Made in Germany OE Quality
  • Premium Original Equipment replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications Q+ The Seal of Excellence
  • ALWAYS OEM QUALITY
  • ALWAYS MADE IN GERMANY
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Vaico – Q+ OE Quality Booster Vacuum Hose (Part No.N4020289714VCO)

Q+ OE Quality Booster Vacuum Hose

from

$115.39
The Vaico Booster Vacuum Hose is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Made in Germany OE Quality
  • Premium Original Equipment replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications Q+ The Seal of Excellence
  • ALWAYS OEM QUALITY
  • ALWAYS MADE IN GERMANY
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ContiTech – ContiTech Radiator Hose (Part No.G2000118505CON)

ContiTech Radiator Hose

from

$75.66
ContiTech Fluid Technology develops components and complex modules for compact installations that meet the most exacting requirements in terms of flexibility, pressure and temperature resistance. ContiTech has developed a system that combines compact design with resistance to increasingly high pressure and temperature levels as well as flexibility and movement compensation.

Product Features:
  • All cooling-water hose inner linings are resistant to electrochemical cracking
  • Selection of tensile members to meet vehicle specifications and requisite pressure and movement requirements
  • Resistance to distilled water and water ethylene glycol mixtures
  • Resistance to air temperatures of up to 125C
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Rein – Rein Cooling Hose (Part No.G2021550703RIN)

Rein Cooling Hose

from

$12.56
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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INA – INA Accessory Belt Tensioner (Part No.G600090649INA)

INA Accessory Belt Tensioner

from

$139.75
The INA Accessory Belt Tensioner is a direct fit OEM replacement that contains the same high quality craftsmanship as the original equipment it replaces.

Product Features:
  • OE-Equivalent and a direct fit application.
  • High tension spring assembly
  • Precision bearing assembly
  • High quality cast components
  • Durable long life performance.
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.950476A)

Serpentine Belt Tensioner: 1 Piece

from

$88.99
Litens Automotive is the original equipment (O.E.) supplier of this tensioner for Audi. The Litens replacement part meets all form, fit, and performance characteristics of the original equipment part (with the exception of not having the car manufacturer’s logo or part number applied to the part). This part is manufactured in Germany by Litens to the same exacting specifications as the O.E. part. The tensioner maintains the European 2-piece steel pulley as well as internal damping required for this application. 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. The internal damping design provides quiet, smooth, system performance.
  • Installation instructions included.
  • Heavy Duty Steel Pulley
  • Professional Mechanics will change this tensioner in about 1 hour.
  • Due to the fact that belts and tensioners have similar Original Equipment “design life targets”, it is often a best practice to replace the belt tensioner when replacing a worn or broken belt. Belt removal is required to change the tensioner. Therefore, d
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ContiTech – Drive Belt (Part No.W1000861582CON)

Drive Belt

from

$40.78
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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ContiTech – Multi Rib (Serpentine) Belt (Part No.W100020808CON)

Multi Rib (Serpentine) Belt

from

$21.69
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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Vaico – Q+ OE Quality Air Pump Hose (Part No.B6030268071VCO)

Q+ OE Quality Air Pump Hose

from

$79.71
The Vaico Air Pump Hose is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Made in Germany OE Quality
  • Premium Original Equipment replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications Q+ The Seal of Excellence
  • ALWAYS OEM QUALITY
  • ALWAYS MADE IN GERMANY
See More

Rein – BREATHER HOSE (Part No.ABV0223)

BREATHER HOSE

from

$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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Rein – Radiator Hose (Part No.CHR0058P)

Radiator Hose

from

$99.99
Rein Automotive OE quality radiator hoses fit European vehicles the way the original manufacturer intended. Designed to be direct replacements for OE hoses and hose assemblies, Rein hoses are identical to the OEM, from the size and shape of their branches to the thermoplastic quick connect fittings.

Product Features:
  • Reduces installation time.
  • No cutting, refitting or adjusting the hose.
  • Prevents leaks and comebacks from reusing old quick connectors and o-rings.
  • Resistant to heat, salt, road debris, oil and other contaminants.
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Rein – Radiator Hose (Part No.CHR0607)

Radiator Hose

from

$42.99
Rein Automotive OE quality radiator hoses fit European vehicles the way the original manufacturer intended. Designed to be direct replacements for OE hoses and hose assemblies, Rein hoses are identical to the OEM, from the size and shape of their branches to the thermoplastic quick connect fittings.

Product Features:
  • Reduces installation time.
  • No cutting, refitting or adjusting the hose.
  • Prevents leaks and comebacks from reusing old quick connectors and o-rings.
  • Resistant to heat, salt, road debris, oil and other contaminants.
See More

Dayco – Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 14 Inch Length (Part No.88474)

Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 14 Inch Length

from

$38.99
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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Rein – Heater Hose (Part No.CHH0167R)

Heater Hose

from

$24.99
Rein Automotive OE quality heater hoses fit European vehicles the way the original manufacturer intended. Designed to be direct replacements for OE hoses and hose assemblies, Rein hoses are identical to the OEM, from the size and shape of their branches to the thermoplastic quick connect fittings.

Product Features:
  • Reduces installation time.
  • No cutting, refitting or adjusting the hose.
  • Prevents leaks and comebacks from reusing old quick connectors and o-rings.
  • Resistant to heat, salt, road debris, oil and other contaminants.
See More

Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 90 mm Diameter (Part No.951070A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 90 mm Diameter

from

$43.99
This pulley is manufactured by Litens Automotive – supplier of this part to the original equipment manufacturer. 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 Germany using the O.E. specified split-steel pulley design and meets all performance and durability requirements. Applications include Volkswagen and Audi vehicles. Includes new bolt and dust shield. 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 world’s largest Original Equipment supplier of accessory drive tensioners and pulleys
  • Pulley Assembly – European split-steel construction. Flat running surface.
  • Heavy Duty Steel Pulley
  • Pre-assembled pulleys save installation time and ensure that all components are assembled to original specifications for both installation and performance
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Vaico – Vaico Accessory Belt Idler Pulley (Part No.G6020243619VCO)

Vaico Accessory Belt Idler Pulley

from

$53.77
The Vaico Accessory Belt Idler Pulley is a direct fit OEM replacement that contains the same high quality craftsmanship as the original equipment it replaces.

Product Features:
  • OE-Equivalent and a direct fit application.
  • Precision bearing
  • OE High quality pulley assembly
  • Durable long life performance.
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Gates – Safety Stripe« Standard Straight Heater Hose (Part No.28409)

Safety Stripe« Standard Straight Heater Hose

from

$2.49
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.
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Driveworks – Poly Rib Belt Serpentine Belt; 43.31 Long, 6 Rib Count (Part No.433K6)

Poly Rib Belt Serpentine Belt; 43.31 Long, 6 Rib Count

from

$23.49
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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Dayco – Poly Rib Belt Serpentine Belt; 43.31 Long, 6 Rib Count (Part No.5060433)

Poly Rib Belt Serpentine Belt; 43.31 Long, 6 Rib Count

from

$25.99
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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Dayco – Poly Rib Belt Serpentine Belt; 51 Long, 5 Rib Count (Part No.5050510)

Poly Rib Belt Serpentine Belt; 51 Long, 5 Rib Count

from

$32.99
Constructed with aramid reinforced EPDM compounds, the Dayco poly-V serpentine belt delivers  more than just OE quality. Developed through extensive laboratory and road testing, the rib profile in this EPDM belt has been engineered to conform to high mile

Product Features:
  • Provides full coverage for today’s light-duty vehicle market, especially vehicles with troublesome drives
  • Engineered to help address noise issues caused by the belt drive 
  • Capable of handling more extreme temperatures and workloads
See More

CRP – HOSE – FUEL (Part No.4L30010807CRP)

HOSE - FUEL

from

$596.98
HOSE – FUEL

2003 Audi A4 Belts and Hoses

You count on your 2003 Audi A4 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Belts and Hoses. With 50 Belts and Hoses ranging in price from $1.30 to $596.98, you’re sure to find everything you need for your 2003 Audi A4.

Brands matter. If you want to shop a specific Belts and Hoses brand, we stock 17 different brands like Dayco, Gates, and Driveworks. 2003 Audi A4 Belts and Hoses start as low as $1.30!

One of the best ways to find top quality OEM or aftermarket Belts and Hoses is by asking professionals. Short of that, you can shop with confidence thanks to our 230 extensive product reviews on 2003 Audi A4 Belts and Hoses. Some of the top-rated Belts and Hoses products we carry are Rein Cooling Hose with 5.0 stars and Serpentine Assy. Idler/Tensioner Pulley; Steel, 90mm Dia., 25mm Width, Smooth with 5.0 stars.

Did we mention you can order your Belts and Hoses from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Belts and Hoses inventory for your 2003 Audi A4 below to get started!

Top-Rated Belts and Hoses Brands For Your 2003 Audi A4

Trusted Belts and Hoses OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 Audi A4 running right for years to come. In our inventory you’ll find brands like Dayco, Gates, Driveworks, and even more.

Popular Driveworks Belts and Hoses

You’ll find popular Driveworks brand products across Serpentine and V Belts. All are waiting to get your 2003 Audi A4 back on the road. Some of the top-rated Driveworks products in these categories are:
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
Serpentine Belts

Top-Rated Dayco Belts and Hoses


If Dayco are what you’re looking for, our inventory holds plenty. We stock Dayco brand Belts and Hoses for your 2003 Audi A4, and some of our most reviewed Dayco parts include:
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

FAQs for 2003 Audi A4 Belts and Hoses

What are the most purchased Belts and Hoses for the 2003 Audi A4?

Out of 50 Belts and Hoses for the 2003 Audi A4, the most popular in our inventory are:
Safety Stripe« Standard Straight Heater Hose
from $2.49
This product is not rated
Safety Stripe« Standard Straight Heater Hose
By-Pass Hoses
Serpentine Belt Tensioner: 1 Piece
from $88.99
This product is not rated
Serpentine Belt Tensioner: 1 Piece
Belt Tensioner Assemblies
Serpentine Belt Tensioner: 1 Piece
from $226.99
(1)
Serpentine Belt Tensioner: 1 Piece
Belt Tensioner Assemblies

What are the top-rated 2003 Audi A4 Belts and Hoses?

Top-rated Belts and Hoses for your 2003 Audi A4 based on customer reviews/ratings are:
Rein Cooling Hose
from $54.34
(2)
Rein Cooling Hose
“I bought 2 of these RU-0155 filters to install on 22mm Mikuni round slide carbs that I use on Mini Bike engines. They were a perfect fit and unlike th”
Serpentine Idler/Tensioner Pulley; Steel, 76mm Dia., 26mm Width, Smooth
from $40.99
(1)
Serpentine Idler/Tensioner Pulley; Steel, 76mm Dia., 26mm Width, Smooth
“Now that this being brought up, advance tell everyone What is the difference between this one and the dayco 89075? Obviously the shaft mount size wher”