Mercedes-Benz 300SD Idler Pulleys

Your Mercedes-Benz 300SD will be happy to know that the search for the right Idler Pulleys you’ve been looking for is over! Advance Auto Parts has 3 different Idler Pulleys for your vehicle, ready for shipping or in-store pick up. The best part is, our Mercedes-Benz 300SD Idler Pulleys start from as little as $26.22.

When it comes to your Mercedes-Benz 300SD, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Idler Pulleys brands so you can shop with complete confidence. Some of our top Idler Pulleys brands are INA and Litens. We’re sure you will get the right product to keep that 300SD running for a long time.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Idler Pulleys for your 300SD, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 25 Mercedes-Benz Idler Pulleys

Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 70 mm Diameter (Part No.900556A)

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

from

$42.99
This Litens pulley is manufactured by the original equipment part supplier to Mercedes Benz. This heavy duty split-steel pulley is produced for serpentine belt routing applications on a wide range of Mercedes applications. 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). As with the O.E. part, this replace part is made in France using the O.E. specified materials and design and meets all performance and durability requirements. Pulley replacement requires the use of existing hardware. Crosses to OE# 2722021419 and others. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Dayco – Serpentine Idler/Tensioner Pulley; Direct Fit, 90 mm Diameter, 30 mm Smooth (Part No.89006)

Serpentine Idler/Tensioner Pulley; Direct Fit, 90 mm Diameter, 30 mm Smooth

from

$30.99
Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong pl

Product Features:
  • Designed for the majority of automotive vehicle applications on the road today
  • High-quality materials help resist wear and improve belt life
  • Features premium lubricated bearings to extend service life
  • Meets or exceeds OE quality
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Dayco – Serpentine Idler/Tensioner Pulley; Polymer, 70mm Dia., 28.3mm Width, 6 Grooves (Part No.89015)

Serpentine Idler/Tensioner Pulley; Polymer, 70mm Dia., 28.3mm Width, 6 Grooves

from

$31.99
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, 65.4mm Dia., 26.6mm Width, 6 Grooves (Part No.89070)

Serpentine Idler/Tensioner Pulley; Polymer, 65.4mm Dia., 26.6mm Width, 6 Grooves

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 pl

Product Features:
  • Designed for the majority of automotive vehicle applications on the road today
  • High-quality materials help resist wear and improve belt life
  • Features premium lubricated bearings to extend service life
  • Meets or exceeds OE quality
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Litens – O.E Quality Idler/Tensioner Pulley Direct Fit, Thermoplastic, 60 mm Diameter (Part No.951169A)

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

from

$67.99
This pulley is manufactured by Litens Automotive – 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 high performance steel pulley conforms to original equipment material and tolerances, specifications and meets performance and durability requirements. Fits tensioner and idler applications including Mercedes-Benz. Made in Germany. Comes with new pre-assembled bolt and washer/dust shield for ease of installation. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Dayco – Serpentine Idler/Tensioner Pulley; 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 pl

Product Features:
  • Designed for the majority of automotive vehicle applications on the road today
  • High-quality materials help resist wear and improve belt life
  • Features premium lubricated bearings to extend service life
  • Meets or exceeds OE quality
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Litens – O.E Quality Idler/Tensioner Pulley Direct Fit Thermoplastic 63.5 mm Diameter (Part No.900149A)

O.E Quality Idler/Tensioner Pulley Direct Fit Thermoplastic 63.5 mm Diameter

from

$55.99
This Litens 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 Germany to the O.E. specified design and meets all performance and durability requirements. Heavy duty thermoplastic construction. This is a 63.5mm O.D. grooved pulley. 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, 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
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INA – INA Accessory Belt Idler Pulley (Part No.G6020100973INA)

INA Accessory Belt Idler Pulley

from

$34.40
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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Litens – O.E Quality Idler/Tensioner Pulley Direct Fit, Thermoplastic, 54 mm Diameter (Part No.900654A)

O.E Quality Idler/Tensioner Pulley Direct Fit, Thermoplastic, 54 mm Diameter

from

$51.99
Litens Automotive is the original equipment supplier for the 2010-2012 Mercedes-Benz, GL350, V-6 3.0 L Diesel, This replacement pulley has the same OE performance characteristics as the original O.E. part. This pulley is produced for serpentine belt routing applications and is made of high strength steel for improved life and durability. 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, 70 mm Diameter (Part No.900667A)

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

from

$61.99
This 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 Mercedes-Benz 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.
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Litens – O.E Quality Idler/Tensioner Pulley Direct Fit Thermoplastic 62.2 mm Diameter (Part No.951128A)

O.E Quality Idler/Tensioner Pulley Direct Fit Thermoplastic 62.2 mm Diameter

from

$45.49
This pulley is manufactured by Litens Automotive the inventor of the first automatic belt tensioner in 1979 and today the world’s largest supplier of Original Equipment (O.E.) belt tensioning and routing products. This pulley is produced in our same German facility that produced the O.E. part. This pulley conforms to original equipment material, tolerances, and specifications. The part is made in Germany using the O.E. specified design and meets all performance and durability requirements. Heavy duty thermoplastic construction for long life and trouble-free performance. Supplied with new dust shield, washer, and bolt. The pulley was designed by Litens for 2012-2015 Mercedes-Benz vehicles with 4-Cyl.1.4L 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, 90 mm Diameter (Part No.951141A)

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

from

$35.99
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 and meets all performance and durability requirements. Applications include Mercedes C230 vehicles. Includes new bolt and both rear and front dust covers. 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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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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Litens – O.E Quality Idler/Tensioner Pulley Direct Fit, Thermoplastic, 80 mm Diameter (Part No.900065A)

O.E Quality Idler/Tensioner Pulley Direct Fit, Thermoplastic, 80 mm Diameter

from

$60.99
This Litens pulley is manufactured by one of the largest original equipment pulley suppliers to ensure proper fit and performance. This pulley is produced for serpentine belt routing applications and conforms to original equipment material, tolerances, and specifications. This replacement part is made in Canada to the O.E. specified design and meets all performance and durability requirements. Heavy duty thermoplastic construction. This is a 80mm flat pulley (without flange) for Mercedes-Benz applications. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Dayco – Serpentine Idler/Tensioner Pulley; Polymer, 110mm Dia., 26.5mm Width, 6 Grooves (Part No.89529)

Serpentine Idler/Tensioner Pulley; Polymer, 110mm Dia., 26.5mm Width, 6 Grooves

from

$79.99
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
See More

Litens – O.E Quality Idler/Tensioner Pulley Direct Fit Thermoplastic, 110 mm Diameter (Part No.900617A)

O.E Quality Idler/Tensioner Pulley Direct Fit Thermoplastic, 110 mm Diameter

from

$73.99
This pulley is manufactured by one of the largest original equipment pulley suppliers to ensure proper fit and performance. This pulley is produced for serpentine belt routing applications 2002-2003 Saturn Vue with 3.0L / 2012-2015 Mercedes S550, CLS550,S63,E550,GL450, GL550, Sprinter with 4.6/5.5/2.1L . This pulley conforms to original equipment material, tolerances, and specifications. The part is made in France using the O.E. specified design and meets all performance and durability requirements. This pulley is made with 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.
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INA – INA Accessory Belt Idler Pulley (Part No.G6020180759INA)

INA Accessory Belt Idler Pulley

from

$49.57
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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Febi – Accessory Belt Idler Pulley (Part No.G6020317202FEB)

Accessory Belt Idler Pulley

from

$37.03
The FEBI 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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Dorman – Idler/Tensioner Pulley: Specific Fit, Plastic, 72 mm Diameter (Part No.419-686)

Idler/Tensioner Pulley: Specific Fit, Plastic, 72 mm Diameter

from

$55.99
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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INA – Accessory Belt Idler Pulley (Part No.G602024744INA)

Accessory Belt Idler Pulley

from

$26.22
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, Thermoplastic, 70 mm Diameter (Part No.900679A)

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

from

$38.99
This Litens supplied pulley is manufactured by one of the largest original equipment pulley suppliers to ensure proper fit and performance. This pulley is produced for serpentine belt routing applications and conforms to original equipment material, tolerances, and specifications. This replacement part is made in France to the O.E. specified design and meets all performance and durability requirements. This pulley is a Heavy duty thermoplastic pulley for long life. Manufactured for the 1998-2004 Mercedes-Benz SLK230,C230 with 2.3L (Smooth Pulley). This 6K flat plastic pulley comes with a front and rear dustshield for quick and trouble-free installation. Pre-assembled pulleys save installation time and ensure that all components are assembled to original specifications for both installation and 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.
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Litens – O.E Quality Idler/Tensioner Pulley Direct Fit, Thermoplastic, 65 mm Diameter (Part No.900665A)

O.E Quality Idler/Tensioner Pulley Direct Fit, Thermoplastic, 65 mm Diameter

from

$65.99
This 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 Mercedes-Benz 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.
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INA – Accessory Belt Idler Pulley (Part No.G6020518959INA)

Accessory Belt Idler Pulley

from

$31.44
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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INA – Air Conditioning Idler Pulley (Part No.R108125327INA)

Air Conditioning Idler Pulley

from

$93.10
Air Conditioning Idler Pulley