2004 BMW Z4 Belts and Hoses

Essential Belts and Hoses for 2004 BMW Z4s

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 6.5" Long, 1.50" Diameter (Part No.B72441)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 6.5" Long, 1.50" Diameter

from

$32.99
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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Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 15.5" Long, 1.44" Diameter (Part No.E72805)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 15.5" Long, 1.44" Diameter

from

$54.99
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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INA – Accessory Belt Tensioner Assembly (Part No.G600166915INA)

Accessory Belt Tensioner Assembly

from

$87.50
The INA Accessory Belt Tensioner Assembly is a direct fit OEM replacement that contains the same high quality craftsmanship and materials as the original equipment it replaces.

Product Features:
  • OE-Equivalent and a direct fit application
  • High quality precision spring tension assembly
  • OE specified bearing and pulley assembly
  • Durable long life performance
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Gates – Micro-V« Serpentine Drive Belt (Part No.K060575)

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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Rein – Oil Cooler Hose Assembly (Part No.FHA0001)

Oil Cooler Hose Assembly

from

$49.99
Rein oil cooling hoses are manufactured with premium OE quality hose material designed to withstand the high pressure demands of automotive oil cooling systems. Rein oil cooling hoses are designed to resist excessive heat, oil and ozone factors that breakdown rubber and cause premature failure in oil cooling systems.

Product Features:
  • Manufactured with premium OE quality hose which offers maximum protection from premature failures.
  • Designed as direct-fit replacements to ensure trouble-free proper installation.
  • Complete with hardware and seals when necessary for installation to save installation time and additional costs.
  • Restores your vehicle to safe and optimal performance levels.
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Dayco – Idler Pulley (Part No.89077)

Idler Pulley

from

$90.99
Dayco No Slack Idler/Tensioner Pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and therefore longer belt life. This pulley includes lifetime lubricated ball bearings and double high temperature seals to assure peak bearing performance, the most critical element of a pulley’s service life. This specific “flat”, serpentine belt driven assembly pulley contains specially formulated glass-filled polymers to insure a high strength, cooler running, and wear resistant “plastic” pulley.

Product Features:
  • Lifetime lubricated ball bearings
  • Double high temperature seals to assure peak bearing performance
  • Flat assembly pulley that contains specially formulated glass-filled polymers to insure a high strength, cooler running, wear resistant “plastic” pulley
  • Meets or exceeds OE quality
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Dayco – Serpentine Idler/Tensioner Pulley; Polymer, 70mm Dia., 24.5mm Width, Smooth (Part No.89133)

Serpentine Idler/Tensioner Pulley; Polymer, 70mm Dia., 24.5mm Width, Smooth

from

$24.99
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 plastic pulleys with specially formulated glass-filled polymers that resist wear & 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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Litens – Idler Pulley: Direct Fit, Thermoplastic, 80mm Diameter (Part No.900003A)

Idler Pulley: Direct Fit, Thermoplastic, 80mm Diameter

from

$55.99
This Litens pulley is manufactured by the original equipment part supplier to ensure proper fit and performance. This pulley is produced for BMW serpentine belt routing applications and conforms to original equipment material, tolerances, and specifications. As with the original equipment part, this replacement part is made in Germany using the O.E. specified design and meets all performance and durability requirements. Proper installation is ensured by the inclusion of a locator pin molded onto the engine side of the idler. 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 suppliers in the world to ensure proper form, fit, and performance.
  • Heavy Duty Glass Reinforced Polymer Pulley for optimized dimensional control and running surface durability
  • Installation instructions included.
  • 80mm O.D.; 10.2mm I.D.; 24.5mm width; smooth running surface; Thermoplastic.
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INA – INA Accessory Belt Idler Pulley (Part No.G6020299512INA)

INA Accessory Belt Idler Pulley

from

$47.17
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.
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Vaico – Expansion Tank Hose (Part No.G1036690901VCO)

Expansion Tank Hose

from

$45.68
Expansion Tank Hose

MTC – Expansion Tank Mount (Part No.G1033573024MTC)

Expansion Tank Mount

from

$7.23
Expansion Tank Mount

Rein – Heater Pipe Line (Part No.R3055279112RIN)

Heater Pipe Line

from

$47.63
Heater Pipe Line

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999162A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$156.99
This Litens tensioner is manufactured by the Original Equipment (O.E.) supplier of this popular tensioner used in BMW vehicles. 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 tensioner is equipped with a Lock-pin devise to hold the tensioner in an open position during installation as well as an integrated lift feature to assist in belt removal and installation. As with the O.E. part, this tensioner is manufactured in Germany for exact performance and fit. Application – Serpentine drive Alt/AC/PS. 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 Glass Reinforced Polymer Pulley for optimized dimensional control and running surface durability
  • Professional Mechanics will change this tensioner in approx. 20 minutes to 1 hour.
  • Accessory drive belts and tensioners are manufactured with similar design life targets. Since belt removal is required to change the tensioner, replacing both will extend the system service life and lower labor costs versus individual replacement.
See More

Dayco – Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts (Part No.89342)

Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts

from

$70.99
The Dayco automatic belt tensioner features Dayco’s original, patented flat spring design to provide less operating range variation. It reduces the risk of premature accessory bearing failure due to high tension and lessens the risk of belt noise and slippage – or poor performance caused by low tension. A PTFE string wound within the spring resists abrasion and dampens noise. Dayco’s tensioner is also designed with a heavy-duty cast aluminum spring case and arm, which helps resist cracking and fatigue and offers additional strength, lessening the risk of distortion. Additional premium thermoplastic rubber spring slot plugs and rubber O-ring seals help keep contaminants out and zinc coated mounting bolts resist rust.

Product Features:
  • Endures the toughest conditions while promoting quieter performance and longer life
  • Features a steel pivot tube on specific designs for enhanced stability
  • Built to outperform and outlast competitive OE parts
  • Rust resistant construction
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Dorman – Help – Crankcase Vent Hose (Part No.46044)

Crankcase Vent Hose

from

$30.99
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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Dorman – Crankcase Ventilation Tube (Part No.917-125)

Crankcase Ventilation Tube

from

$52.99
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 tubing on specified vehicle years, makes and models.
  • Durable materials – this PCV tubing 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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Bando – Multi Rib (Serpentine) Belt (Part No.W100028006BAN)

Multi Rib (Serpentine) Belt

from

$22.62
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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ContiTech – Drive V-Belt (Part No.W1000289588CON)

Drive V-Belt

from

$31.07
All ContiTech V-Belts are quiet, OE-quality and virtually service free. The only time these belts require attention is during installation. Designed to be oil-resistant and temperature-stable from -22F to 176F (30C to 80C), ContiTech V-Belts are open-flanked, toothed, and shaped for greater traction and torque. High performance construction features include a synthetic fiber fabric cover, a special polyester cord designed to permit tightly controlled shrink, plus a polychloroprene rubber body, integrally molded cogs, and raw edges.

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • Resistant against wear, oil and heat.
  • Polyester fiber tensile members and a ribbed belt design.
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Mitsuboshi – Drive Belt (Part No.W1000849265MBL)

Drive Belt

from

$22.45
The Mitsuboshi Drive Belt meets or exceeds the vehicle manufacturer’s specifications for durability, fit and quality.

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • Resistant against wear, oil and heat.
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Rein – Water Hose (Part No.CHE0409)

Water Hose

from

$36.99
Rein Automotive OE quality coolant 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 – Water Hose (Part No.CHE0475)

Water Hose

from

$19.49
Rein Automotive OE quality coolant 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

Rein – Rein Radiator Hose (Part No.G2000278658RIN)

Rein Radiator Hose

from

$47.44
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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Original Equipment – Booster Vacuum Hose (Part No.N4020464514OEA)

Booster Vacuum Hose

from

$45.72
Booster Vacuum Hose

Elaplast – Vacuum Hose (Part No.B2020396050ELA)

Vacuum Hose

from

$18.63
Vacuum Hose

Rein – Oil Separator Hose (Part No.B2019269910RIN)

Oil Separator Hose

from

$72.61
This OE quality return hose is vehicle specific and designed to be a direct replacement for the original components. These links properly connect the sway bar to the vehicles chassis. Rein automotive products provide you with the proper fit, form and function for European vehicles. With fitments for some of the world’s finest automobiles, including Audi, BMW, Mercedes Benz, Mini, Porsche, Saab, Volkswagen, and Volvo, all Rein Automotive genuine replacement parts are guaranteed original manufacturer quality. Every part is manufactured with top quality materials to ensure it has the same tolerances as the part that came on the car to provide ease of installation and long lasting durability.

Product Features:
  • Original Equipment fit, form and function
  • Manufactured from premium raw materials
  • Premium OE design
  • Right fit the first time
  • For European vehicles
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Burgaflex – Breather Hose (Part No.B2010269908BUR)

Breather Hose

from

$63.78
Breather Hose

Dorman – Oil Separator Vent Tube (Part No.B2019751923DOR)

Oil Separator Vent Tube

from

$55.95
PCV Hoses allows crankcase pressure to escape the engine in a controlled manor. Plus, now with Dorman’s PCV Valve Hoses you can replace just the hose, without the expense and hassle of installing a complete PCV Hose assembly, saving time, money and labor.

Product Features:
  • Constructed of high quality materials for long lasting use
  • Direct replacement for a proper fit every time
  • Easy to install
  • Manufactured to strict engineering quality standards
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Rein – Automotive Engine Oil Separator Hose (Part No.B2019269832RIN)

Automotive Engine Oil Separator Hose

from

$55.95
This OE quality return hose is vehicle specific and designed to be a direct replacement for the original components. These links properly connect the sway bar to the vehicles chassis. Rein automotive products provide you with the proper fit, form and function for European vehicles. With fitments for some of the world’s finest automobiles, including Audi, BMW, Mercedes Benz, Mini, Porsche, Saab, Volkswagen, and Volvo, all Rein Automotive genuine replacement parts are guaranteed original manufacturer quality. Every part is manufactured with top quality materials to ensure it has the same tolerances as the part that came on the car to provide ease of installation and long lasting durability.

Product Features:
  • Original Equipment fit, form and function
  • Manufactured from premium raw materials
  • Premium OE design
  • Right fit the first time
  • For European vehicles
See More

Upgrade your 2004 BMW Z4 with Top-Quality Belts and Hoses

When it comes to maintaining or upgrading your 2004 BMW Z4, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your BMW or enhancing its overall performance, Belts and Hoses are key to keeping your Z4 functioning at its best. At Advance Auto Parts, we offer a wide selection of 47 Belts and Hoses for the 2004 BMW Z4, designed to meet your needs without breaking the bank. From Heater Hose replacements to Belt Tensioners upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Belts and Hoses for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Belts and Hoses for your 2004 BMW Z4 at great prices. Our Belts and Hoses inventory for this model ranges from just $4.26 to $185.23, with an average price of $60.26. Our 47 Belts and Hoses in stock come from 13 trusted brands, so you’re sure to find the right part for your 2004 BMW Z4 without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2004 BMW Z4, we stock popular OEM and aftermarket Belts and Hoses from top names like Dayco, Litens, Driveworks, and more. Dayco Belts and Hoses start at just $24.99 and boast an impressive 5 stars average rating from customers. Litens and Driveworks also bring quality to the table, with Belts and Hoses available starting at $18.99, and at an average 5 stars rating. With 203 customer reviews and counting, our 2004 BMW Z4 Belts and Hoses have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Belts and Hose upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2004 BMW Z4 is always ready to roll. We’re committed to providing you with everything you need to keep your Z4 in top shape, all in one place. Start shopping confidently below for your 2004 BMW Z4!

Best-Selling Heater Hoses for 2004 BMW Z4s

Enhance the driving experience in your BMW with 1 quality Heater Hose components, starting at $47.63.

Rein – Heater Pipe Line (Part No.R3055279112RIN)

Heater Pipe Line

from

$47.63
Heater Pipe Line

Most Popular 2004 BMW Z4 Belt Tensioners

Customize your BMW with 7 Belt Tensioners products like Belt Tensioner Assemblies, all priced under $185.23.

Dayco – Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts (Part No.89342)

Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts

from

$70.99
The Dayco automatic belt tensioner features Dayco’s original, patented flat spring design to provide less operating range variation. It reduces the risk of premature accessory bearing failure due to high tension and lessens the risk of belt noise and slippage – or poor performance caused by low tension. A PTFE string wound within the spring resists abrasion and dampens noise. Dayco’s tensioner is also designed with a heavy-duty cast aluminum spring case and arm, which helps resist cracking and fatigue and offers additional strength, lessening the risk of distortion. Additional premium thermoplastic rubber spring slot plugs and rubber O-ring seals help keep contaminants out and zinc coated mounting bolts resist rust.

Product Features:
  • Endures the toughest conditions while promoting quieter performance and longer life
  • Features a steel pivot tube on specific designs for enhanced stability
  • Built to outperform and outlast competitive OE parts
  • Rust resistant construction
See More

INA – Acc. Belt Tensioner (Part No.G60011674465INA)

Acc. Belt Tensioner

from

$185.23
The INA Accessory Belt Tensioner Assembly is a direct fit OEM replacement that contains the same high quality craftsmanship and materials as the original equipment it replaces.

Product Features:
  • OE-Equivalent and a direct fit application
  • High quality precision spring tension assembly
  • OE specified bearing and pulley assembly
  • Durable long life performance
See More

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999141A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$80.99
Litens was the Original Equipment (O.E.) supplier of this BMW 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). Note: BMW used 2 different tensioner suppliers for this application so the original part you replace may look different. However the form, fit, and function specifications are the same. Choosing The Correct Replacement Part: Both the original equipment and Litens aftermarket tensioner use a round spring versus a flat spring and are marked “Made in Canada”. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Manufactured by the original equipment part supplier to ensure proper form, fit, and performance.
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life.
  • Installation instructions included.
  • Heavy Duty Glass Reinforced Polymer Pulley for optimized dimensional control and running surface durability
  • Professional Mechanics will change this tensioner in approx. 20 minutes.
  • Accessory drive belts and tensioners are manufactured with similar design life targets. Since belt removal is required to change the tensioner, replacing both will extend the system service life and lower labor costs versus individual replacement.
See More

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999162A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$156.99
This Litens tensioner is manufactured by the Original Equipment (O.E.) supplier of this popular tensioner used in BMW vehicles. 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 tensioner is equipped with a Lock-pin devise to hold the tensioner in an open position during installation as well as an integrated lift feature to assist in belt removal and installation. As with the O.E. part, this tensioner is manufactured in Germany for exact performance and fit. Application – Serpentine drive Alt/AC/PS. 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 Glass Reinforced Polymer Pulley for optimized dimensional control and running surface durability
  • Professional Mechanics will change this tensioner in approx. 20 minutes to 1 hour.
  • Accessory drive belts and tensioners are manufactured with similar design life targets. Since belt removal is required to change the tensioner, replacing both will extend the system service life and lower labor costs versus individual replacement.
See More

Dorman – Automatic Belt Tensioner (Tensioner Only) (Part No.419-036)

Automatic Belt Tensioner (Tensioner Only)

from

$132.99
This accessory drive belt tensioner assembly is designed to match the fit of an original equipment assembly on specified vehicles. It is engineered to help ensure proper belt tension when an original belt is slipping, broken, or worn from fatigue.

Product Features:
  • Direct replacement – this accessory drive belt tensioner assembly is designed to match the fit of an original equipment assembly on specified vehicles.
  • Ideal solution – engineered to help ensure proper belt tension when an original belt is slipping, broken, or worn from fatigue
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

INA – Accessory Belt Tensioner Assembly (Part No.G6001283391INA)

Accessory Belt Tensioner Assembly

from

$122.64
The INA Accessory Belt Tensioner Assembly is a direct fit OEM replacement that contains the same high quality craftsmanship and materials as the original equipment it replaces.

Product Features:
  • OE-Equivalent and a direct fit application
  • High quality precision spring tension assembly
  • OE specified bearing and pulley assembly
  • Durable long life performance
See More

Dorman – Automatic Belt Tensioner (Tensioner Only) (Part No.419-035)

Automatic Belt Tensioner (Tensioner Only)

from

$64.99
This accessory drive belt tensioner assembly is designed to match the fit of an original equipment assembly on specified vehicles. It is engineered to help ensure proper belt tension when an original belt is slipping, broken, or worn from fatigue.

Product Features:
  • Direct replacement – this accessory drive belt tensioner assembly is designed to match the fit of an original equipment assembly on specified vehicles
  • Ideal solution – engineered to help ensure proper belt tension when an original belt is slipping, broken, or worn from fatigue
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

Top Picks for 2004 BMW Z4 Serpentine and V Belts

Upgrade BMW Z4s with top-quality Serpentine and V Belts parts, including 10 OEM and aftermarket selections for your 2004 model.

Dayco – Poly Rib Belt Serpentine Belt; 34.06 Long, 4 Rib Count (Part No.5040340)

Poly Rib Belt Serpentine Belt; 34.06 Long, 4 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
See More

Dayco – Serpentine Idler/Tensioner Pulley; Direct Fit, 80 mm Diameter, 24.5 mm Smooth (Part No.89089)

Serpentine Idler/Tensioner Pulley; Direct Fit, 80 mm Diameter, 24.5 mm Smooth

from

$50.99
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 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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Dayco – Serpentine Idler/Tensioner Pulley; Polymer, 70mm Dia., 24.5mm Width, Smooth (Part No.89133)

Serpentine Idler/Tensioner Pulley; Polymer, 70mm Dia., 24.5mm Width, Smooth

from

$24.99
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 plastic pulleys with specially formulated glass-filled polymers that resist wear & 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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Driveworks – Poly Rib Belt Serpentine Belt; 34.06 Long, 4 Rib Count (Part No.340K4)

Poly Rib Belt Serpentine Belt; 34.06 Long, 4 Rib Count

from

$18.99
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; 57.25 Long, 6 Rib Count (Part No.5060573)

Poly Rib Belt Serpentine Belt; 57.25 Long, 6 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 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
  • Made in the USA
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Dayco – Drive Belt (Part No.W10001221280DAY)

Drive Belt

from

$31.66
Drive Belt

Dayco – Idler Pulley (Part No.89077)

Idler Pulley

from

$90.99
Dayco No Slack Idler/Tensioner Pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and therefore longer belt life. This pulley includes lifetime lubricated ball bearings and double high temperature seals to assure peak bearing performance, the most critical element of a pulley’s service life. This specific “flat”, serpentine belt driven assembly pulley contains specially formulated glass-filled polymers to insure a high strength, cooler running, and wear resistant “plastic” pulley.

Product Features:
  • Lifetime lubricated ball bearings
  • Double high temperature seals to assure peak bearing performance
  • Flat assembly pulley that contains specially formulated glass-filled polymers to insure a high strength, cooler running, wear resistant “plastic” pulley
  • Meets or exceeds OE quality
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Worldpac – DRIVE BELT (Part No.W10001684636GAT)

DRIVE BELT

from

$72.10
DRIVE BELT

ContiTech – Drive V-Belt (Part No.W1000655510CON)

Drive V-Belt

from

$34.97
All ContiTech V-Belts are quiet, OE-quality and virtually service free. The only time these belts require attention is during installation. Designed to be oil-resistant and temperature-stable from -22F to 176F (30C to 80C), ContiTech V-Belts are open-flanked, toothed, and shaped for greater traction and torque. High performance construction features include a synthetic fiber fabric cover, a special polyester cord designed to permit tightly controlled shrink, plus a polychloroprene rubber body, integrally molded cogs, and raw edges.

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • Resistant against wear, oil and heat.
  • Polyester fiber tensile members and a ribbed belt design.
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ContiTech – Multi Rib (Serpentine) Belt (Part No.W1000137336CON)

Multi Rib (Serpentine) Belt

from

$18.15
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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In-Demand Pulleys for 2004 BMW Z4s

Select from 10 premium Pulleys parts for your 2004 BMW Z4, with prices ranging from $4.26 to $106.26.

Litens – Idler/Tensioner Pulley: Direct Fit, Thermoplastic, 70mm Diameter (Part No.900031A)

Idler/Tensioner Pulley: Direct Fit, Thermoplastic, 70mm Diameter

from

$31.49
This pulley is manufactured by Litens Automotive the original equipment part supplier and the inventor of the first automatic belt tensioner in 1979 and today the world’s largest supplier of Original Equipment (O.E.) belt tensioning and routing products. This pulley is produced for serpentine belt routing applications and as the pulley component on automatic tensioner applications. This pulley conforms to original equipment material, tolerances, and specifications. The part is made in Canada using the O.E. specified design and meets all performance and durability requirements. Heavy duty thermoplastic construction for long life and trouble-free performance. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Manufactured by Litens, the largest original equipment tensioner and pulley supplier in the world, to ensure proper form, fit, and performance.
  • Heavy Duty Glass Reinforced Polymer Pulley for optimized dimensional control and running surface durability
  • Installation instructions included.
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INA – Accessory Belt Tensioner Assembly (Part No.G600166915INA)

Accessory Belt Tensioner Assembly

from

$87.50
The INA Accessory Belt Tensioner Assembly is a direct fit OEM replacement that contains the same high quality craftsmanship and materials as the original equipment it replaces.

Product Features:
  • OE-Equivalent and a direct fit application
  • High quality precision spring tension assembly
  • OE specified bearing and pulley assembly
  • Durable long life performance
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Gates – DriveAlign½ Belt Drive Idler/Tensioner Pulley (Part No.38008)

DriveAlign½ Belt Drive Idler/Tensioner Pulley

from

$27.99
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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Litens – Idler Pulley: Direct Fit, Thermoplastic, 80mm Diameter (Part No.900003A)

Idler Pulley: Direct Fit, Thermoplastic, 80mm Diameter

from

$55.99
This Litens pulley is manufactured by the original equipment part supplier to ensure proper fit and performance. This pulley is produced for BMW serpentine belt routing applications and conforms to original equipment material, tolerances, and specifications. As with the original equipment part, this replacement part is made in Germany using the O.E. specified design and meets all performance and durability requirements. Proper installation is ensured by the inclusion of a locator pin molded onto the engine side of the idler. 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 suppliers in the world to ensure proper form, fit, and performance.
  • Heavy Duty Glass Reinforced Polymer Pulley for optimized dimensional control and running surface durability
  • Installation instructions included.
  • 80mm O.D.; 10.2mm I.D.; 24.5mm width; smooth running surface; Thermoplastic.
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INA – Air Conditioning Belt Tensioner, w/ Pulley (Part No.R1088189120INA)

Air Conditioning Belt Tensioner, w/ Pulley

from

$106.26
Air Conditioning Belt Tensioner, w/ Pulley

INA – Accessory Belt Idler Pulley (Part No.G6020314339INA)

Accessory Belt Idler Pulley

from

$62.36
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

INA – INA Accessory Belt Idler Pulley (Part No.G6020299512INA)

INA Accessory Belt Idler Pulley

from

$47.17
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

Dorman – Idler/Tensioner Pulley: Specific Fit, Polyamide, 70 mm Diameter (Part No.419-657)

Idler/Tensioner Pulley: Specific Fit, Polyamide, 70 mm Diameter

from

$45.49
This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and models, properly restoring critical vehicle operations.

Product Features:
  • Direct replacement – this accessory drive belt idler pulley matches the fit and function of the original equipment pulley on specified vehicles.
  • Restores performance – fixes a failed, squealing or groaning noise from a worn idler pulley
  • Application specific – reverse engineered from the original design on certain vehicle years, makes and models
  • Trustworthy quality – backed by team of engineers and quality specialists in the United States
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APA/URO Parts – Acc. Belt Idler Pull (Part No.G6020299512APA)

Acc. Belt Idler Pull

from

$32.38
Acc. Belt Idler Pull

APA/URO Parts – Pulley Bolt Cover (Part No.G6025401155APA)

Pulley Bolt Cover

from

$4.26
Pulley Bolt Cover

Most Sold 2004 BMW Z4 Engine Cooling Hoses

Explore our best-selling BMW parts for the 2004 Z4 among 4 OEM and aftermarket options starting from $49.99.

Rein – Radiator Hose (Part No.CHR0483)

Radiator Hose

from

$49.99
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

Vaico – Vaico Radiator Hose (Part No.G2000150930VCO)

Vaico Radiator Hose

from

$102.76
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
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 15.5" Long, 1.44" Diameter (Part No.E72805)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 15.5" Long, 1.44" Diameter

from

$54.99
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
See More

Rein – Radiator Hose (Part No.CHR0379R)

Radiator Hose

from

$49.99
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

Top-Rated Belts and Hoses Brands For Your 2004 BMW Z4

Shop for the best-rated brands offering Belts and Hoses and other products for your 2004 BMW Z4s. Below you’ll find some of our best rated Belts and Hoses from Dayco, Litens, and Driveworks, and more. Belts and Hoses from these brands that fit a 2004 Z4 start at just $18.99 and are rated as high as 5 stars. OEM and aftermarket Belts and Hoses don’t get more top quality, durable, and affordable than from the brands below.

Popular Dayco 2004 BMW Z4 Belts and Hoses

When it comes to maintaining or upgrading your 2004 BMW Z4, using quality Belts and Hoses is essential to ensure durability and a perfect fit. Dayco ticks all of those boxes. We offer a wide selection of Dayco Belts and Hoses, specifically designed for the 2004 BMW Z4. With over 9 Dayco brand Belts and Hoses in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $24.99, with an average price of just $48.84. Plus, with over 103 customer reviews and an average rating of 5 stars, you can trust that our Dayco Belts and Hoses will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

Poly Rib Belt Serpentine Belt; 57.25 Long, 6 Rib Count
from
$29.99
This product is not rated

Poly Rib Belt Serpentine Belt; 57.25 Long, 6 Rib Count

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Drive Belt
from
$31.66
This product is not rated

Drive Belt

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Idler Pulley
from
$90.99
This product is not rated

Idler Pulley

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Popular Litens 2004 BMW Z4 Belts and Hoses

Litens auto parts is one of the highest quality Belts and Hose brands in the market. Any 2004 BMW Z4 owner should feel confident when installing genuine Litens parts in their vehicle. To ensure the best fit and performance for your 2004 Z4, Advance Auto Parts carries a full inventory of 4 Litens Belts and Hoses. Plus you will be keeping your BMW in peak condition while saving money because prices on these Litens Belts and Hoses range from $31.49 to $156.99, plus, with more than 5 customer reviews and an impressive 5 stars average rating, you can be confident the Fram Belts and Hoses below will deliver on both quality and value.

Accessory Drive Belt Tensioner - Original Equipment Quality
from
$156.99
This product is not rated

Accessory Drive Belt Tensioner – Original Equipment Quality

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Idler Pulley: Direct Fit, Thermoplastic, 80mm Diameter
from
$55.99
This product is not rated

Idler Pulley: Direct Fit, Thermoplastic, 80mm Diameter

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Accessory Drive Belt Tensioner - Original Equipment Quality
from
$80.99
This product is not rated

Accessory Drive Belt Tensioner – Original Equipment Quality

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FAQs for 2004 BMW Z4 Belts and Hoses

Which Belts and Hoses are best-sellers for 2004 BMW Z4s?

Out of 47 Belts and Hoses that fit 2004 BMW Z4s, the following parts are the top sellers:

What’s the price range for 2004 BMW Z4 Belts and Hoses?

Belts and Hose prices for the 2004 BMW Z4 start at $4.26 and go up to $185.23 for the most premium parts.

What’s the average price of a Belts and Hose for a 2004 BMW Z4?

The average price for Belts and Hoses for the 2004 BMW Z4 is $60.26. Keep in mind the variety of part types within our Belts and Hose category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Belts and Hoses for other BMW Z4 model years?

Yes, we currently carry Belts and Hoses for 19 model years of BMW Z4s between 2003 and 2024. Belts and Hoses are bought most frequently for the following model years: 2022, 2021, 2020, 2019, 2016, 2015, 2014, 2013, and 2012.

What are the cheapest Belts and Hoses for my 2004 BMW Z4?

The cheapest 2004 BMW Z4 Belts and Hoses we carry in stock are:

What are the top-rated Belts and Hoses that fit the 2004 BMW Z4?

Out of 203 reviews by customers, our 2004 BMW Z4 Belts and Hoses have an average customer rating of . These are some of the highest-rated Belts and Hose types for the 2004 BMW Z4 and their top-rated products:

What types of Belts and Hoses do you sell for my 2004 BMW Z4?

As of 2/5/25, these are some of the most in-demand types of Belts and Hoses for a 2004 BMW Z4:

Can I get help with 2004 BMW Z4 Belts and Hose orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about BMW Belts and Hoses and more.

What is your return policy for BMW Z4 Belts and Hoses?

Advance Auto Parts keeps returns simple. For new BMW Z4 Belts and Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.