2003 Audi A4 Quattro Belts and Hoses

Essential 2003 Audi A4 Quattro Belts and Hoses

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.950442A)

Serpentine Belt Tensioner: 1 Piece

from

$131.99
Litens Automotive is the original equipment (O.E.) supplier for this application. This genuine Litens replacement tensioner is also manufactured by Litens, the world’s largest supplier of original equipment power transmission products. This part is specifically designed for Audi / Volkswagen applications. Heavy duty steel pulley construction ensures long life and trouble-free performance. This tensioner 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. 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:
  • Heavy duty steel pulley construction.
  • OE-spec sealed ball bearings with synthetic grease and double lip seals for long life
  • Installation instructions included
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MTC – Air Pump Hose (Part No.B6030268074MTC)

Air Pump Hose

from

$35.85
Air Pump Hose

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.
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Aftermarket – Booster Vacuum Hose (Part No.N4020188725OEA)

Booster Vacuum Hose

from

$43.56
Booster Vacuum Hose

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.
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Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 18.5" Long, 1.25" Diameter (Part No.E72738)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 18.5" Long, 1.25" Diameter

from

$394.99
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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CRP – Hose Clamp (Part No.Y3063860142CRP)

Hose Clamp

from

$2.07
Hose Clamp

Elring – Water Pump O-Ring (Part No.G3059279771ELR)

Water Pump O-Ring

from

$3.97
Water Pump O-Ring

Dayco – Double Cog V-Belt; 20.8 Inch Long, Exact Fit Premium Quality (Part No.15208)

Double Cog V-Belt; 20.8 Inch Long, Exact Fit Premium Quality

from

$8.29
Dayco has combined raw-edge construction and a smooth top to ensure high performance on vehicles and drives that utilize V-belts. The Dayco high performance V-belt delivers more flexibility and increases airflow around the belt so it runs cooler and lasts

Product Features:
  •  Provides greater durability and flexibility – 35% stronger than all previous versions
  • Prevents electromechanical interference issues on modern vehicles
  •  Resists heat, oil and grease
  • 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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ContiTech – Multi Rib (Serpentine) Belt (Part No.W1000227555CON)

Multi Rib (Serpentine) Belt

from

$33.59
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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Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 17.5" Long, 1.25" Diameter (Part No.E72731)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 17.5" Long, 1.25" Diameter

from

$231.99
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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Hutchinson – Hutchinson Radiator Hose (Part No.G2000118506HUT)

Hutchinson Radiator Hose

from

$97.41
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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APA/URO Parts – C Clip Retainer (Part No.G2050240713APA)

C Clip Retainer

from

$1.30
C Clip Retainer

Dayco – Poly Rib Belt Serpentine Belt; 45.08 Long, 6 Rib Count (Part No.5060450)

Poly Rib Belt Serpentine Belt; 45.08 Long, 6 Rib Count

from

$28.99
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
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Driveworks – Poly Rib Belt Serpentine Belt; 44.5 Long, 6 Rib Count (Part No.445K6)

Poly Rib Belt Serpentine Belt; 44.5 Long, 6 Rib Count

from

$18.79
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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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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Gates – DriveAlign½ Belt Drive Idler/Tensioner Pulley (Part No.38015)

DriveAlign½ Belt Drive Idler/Tensioner Pulley

from

$40.99
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
See More

Rein – Radiator Hose (Part No.CHR0034P)

Radiator Hose

from

$28.99
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

Suncore – Shock Kit (Part No.2-12S257050-001)

Shock Kit

from

$79.99
Shock Kit

Vaico – Cooling Hose (Part No.G2021126987VCO)

Cooling Hose

from

$16.41
The high quality VAICO Coolant Hoses protect the components in the water cooling circuit from corrosion. Thanks to the high-quality materials in accordance with OE, VAICO guarantees the best quality with an assortment of more than 1,000 Coolant Hoses. 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, easy mounting: quick connector from German production
  • All cooling-water hose inner linings are resistant to electrochemical cracking
  • Material: according to OEM. (CR, AEM, HAT-ACM, FKM / VMO), fabric reinforcement Kevlar
  • high strength and resistance to oil, mud, salt, road debris, and ozone
  • Quality Assurance: Perform various tests, including endurance, cold fexibility and vacuum tests as well as leak and residue tests
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CRP – Expansion Tank Hose (Part No.G2030127002)

Expansion Tank Hose

from

$11.82
Expansion Tank Hose

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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Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 60 mm Diameter (Part No.900072A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 60 mm Diameter

from

$56.99
This pulley is manufactured by the original equipment pulley supplier 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 Europe to the O.E. specified design and meets all performance and durability requirements. Heavy duty steel pulley preassembled on a steel mounting bracket. Fits 1997-2005 Audi A4 and VW Passat 1.8L engines. 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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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

from

$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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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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Litens – O.E Quality Idler/Tensioner Pulley Direct Fit, Thermoplastic, 70 mm Diameter (Part No.900125A)

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

from

$29.99
Litens Automotive is the original equipment (O.E.) supplier for this application. This genuine Litens replacement pulley is also manufactured by Litens, the world’s largest supplier of original equipment power transmission products. 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. 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:
  • Heavy duty thermoplastic pulley construction.
  • OE-spec sealed ball bearings with synthetic grease and double lip seals for long life
  • Installation instructions included
See More

INA – Accessory Belt Idler Pulley (Part No.G6020409156INA)

Accessory Belt Idler Pulley

from

$42.27
The INA 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.
See More

Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 90 mm Diameter (Part No.900695A)

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

from

$51.99
This genuine Litens Idler Pulley is manufactured by the original equipment part supplier to ensure proper form, fit, and performance. All O.E. pulley hardware is included to reduce install time. Part designed for Audi applications. Like the OE part, this part is manufactured in Europe. 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 supplier.
  • Mounting Bolt Included
  • Heavy Duty Steel Pulley
  • Smooth/Backside Pulley.
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2003 Audi A4 Quattro Belts and Hoses

You count on your 2003 Audi A4 Quattro 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 $394.99, you’re sure to find everything you need for your 2003 Audi A4 Quattro.

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 Quattro 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 Quattro 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 Quattro below to get started!

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

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 Quattro 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 Quattro 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 Quattro, 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 Quattro Belts and Hoses

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

Out of 50 Belts and Hoses for the 2003 Audi A4 Quattro, 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 Quattro Belts and Hoses?

Top-rated Belts and Hoses for your 2003 Audi A4 Quattro 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”