Mercedes-Benz 300TDT Belt Tensioner Assemblies

Your Mercedes-Benz 300TDT will be happy to know that the search for the right Belt Tensioner Assemblies you’ve been looking for is over! Advance Auto Parts has 2 different Belt Tensioner Assemblies for your vehicle, ready for shipping or in-store pick up. The best part is, our Mercedes-Benz 300TDT Belt Tensioner Assemblies start from as little as $52.67.

When it comes to your Mercedes-Benz 300TDT, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Belt Tensioner Assemblies brands so you can shop with complete confidence. Some of our top Belt Tensioner Assemblies brands are INA and Stabilus. We’re sure you will get the right product to keep that 300TDT 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 Belt Tensioner Assemblies for your 300TDT, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 25 Mercedes-Benz Belt Tensioner Assemblies

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999410A)

Serpentine Belt Tensioner: 1 Piece

from

$131.99
This Litens supplied tensioner is manufactured to original equipment specifications. Heavy duty thermoplastic pulley construction ensures long life and trouble-free performance. This tensioner meets or exceeds all original equipment fit, form, and performance characteristics. 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
  • Install pin included for ease of installation
  • Installation instructions included
See More

Dayco No Slack Gold Label – Serpentine Belt Tensioner; 1 Piece, HD, Engineered To Handle Higher Torque (Part No.89451)

Serpentine Belt Tensioner; 1 Piece, HD, Engineered To Handle Higher Torque

from

$92.99
For heavy duty diesel engine accessory drive applications, Dayco’s HD automatic belt tensioner is designed to handle higher torque and power pulses. The heavy-duty cast aluminum body and pulley arms translate into extra strength and durability and the patented flat spring design prevents fluctuations to the tensioner body as its footprint doesn’t change when it’s under tension. This reduces the risk of belt noise and also helps avoid separation of the housing a key failure seen from competitive products. Dayco automatic belt tensioner H.D. also includes rugged pulleys with dual lifetime lubricated bearings to deliver long lasting, dependable service. Feature highly damped designs using a wave spring and a metal ring with a bonded polymeric surface that acts as a radial shock absorber for the tensioner arm while reducing contamination.

Product Features:
  • Designed to prevent fluctuations to the tensioner body for longer service life.
  • Reduces the risk of noise and helps avoid housing separation
  • Includes pulleys with lubricated bearings for longer lasting performance
  • Heavy-duty cast aluminum body and pulley arms translate into extra strength and durability
See More

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.950155A)

Serpentine Belt Tensioner: 1 Piece

from

$245.99
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 3.0L Diesel 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
See More

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.950113A)

Serpentine Belt Tensioner: 1 Piece

from

$207.99
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 Mercedes-Benz applications. Heavy duty thermoplastic 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 thermoplastic pulley construction.
  • OE-spec sealed ball bearings with synthetic grease and double lip seals for long life
  • Install pin included for ease of installation
  • Installation instructions included
See More

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999591A)

Serpentine Belt Tensioner: 1 Piece

from

$246.99
This Heavy duty belt tensioner is manufactured by one of the largest original equipment tensioner suppliers to ensure proper fit and performance. This tensioner is produced for serpentine belt routing applications and is made of high strength steel for improved life and durability. This part corresponds to the 2012-2015 Mercedes-Benz C350,E350,CL400,E400,GLK350,SLK350 with 3.5L. The tensioner maintains the O.E. round spring technology as well as the internal damping design specified for this application. This higher damping consequently reduces arm motion and wear as well as an optimized install feature for ease on tensioner replacement. 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 one of the largest original equipment part suppliers to ensure proper form, fit, and performance.
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life. The internal damping design provides quiet, smooth, system performance.
  • 6K Flat heavy duty thermoplastic pulley for long life
  • Installation instructions included
See More

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.950151A)

Serpentine Belt Tensioner: 1 Piece

from

$114.99
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 Dodge / Freightliner / Mercedes-Benz applications. Heavy duty thermoplastic 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:
  • 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.
  • Due to the fact that belts and tensioners have similar Original Equipment “design life targets”, it is often a best practice to replace the belt tensioner when replacing a worn or broken belt. Belt removal is required to change the tensioner. Therefore, d
See More

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.950138A)

Serpentine Belt Tensioner: 1 Piece

from

$86.99
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 Mercedes-Benz applications. Heavy duty thermoplastic 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:
  • Manufactured by the original equipment part supplier to ensure proper form, fit and performance
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life. The internal damping design provides quiet, smooth, system performance.
  • Installation instructions included.
  • High Performance Polymer Pulley
  • Professional Mechanics will change this tensioner in about 1+ hour.
  • Due to the fact that belts and tensioners have similar Original Equipment “design life targets”, it is often a best practice to replace the belt tensioner when replacing a worn or broken belt. Belt removal is required to change the tensioner. Therefore, d
See More

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999837A)

Serpentine Belt Tensioner: 1 Piece

from

$131.99
This Litens belt tensioner is supplied by the original equipment (O.E.) tensioner supplier and meets all form, fit, and performance characteristics of the original equipment part . As with the original equipment part, this replacement tensioner is manufactured in the Czech Republic and meets all performance and life specifications of the O.E. part. This part was designed for the 2014-2016 Mercedes-Benz, Sprinter, 4-Cyl. 2.1 L Diesel, Tensioner Assy. The part features a premium chrome-silicon steel spring, internal damping, a 6203 ball bearing, a plastic pulley molded to exacting specifications, a lift-lug and pull pin feature 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._

Product Features:
  • Designed and engineered by the Original Equipment supplier of accessory drive tensioners and pulleys for this application.
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life. The internal damping design provides quiet, smooth, system performance.
  • A plastic pulley specifically molded with tight radial run out for reduced noise and longer life
  • Due to the fact that belts and tensioners have similar Original Equipment “design life targets”, it is often a best practice to replace the belt tensioner when replacing a worn or broken belt. Belt removal is required to change the tensioner. Therefore, d
  • Installation instructions included
See More

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.950773A)

Serpentine Belt Tensioner: 1 Piece

from

$64.99
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 Mercedes-Benz applications. Heavy duty thermoplastic 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 thermoplastic pulley construction.
  • OE-spec sealed ball bearings with synthetic grease and double lip seals for long life
  • Install pin included for ease of installation
  • Installation instructions included
See More

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.950106A)

Serpentine Belt Tensioner: 1 Piece

from

$95.99
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 Mercedes-Benz applications. 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:
  • Manufactured by Litens, the largest original equipment tensioner and pulley supplier in the world, to ensure proper form, fit, and performance
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life.
  • Pulley Not Included
  • Install pin included for ease of installation
  • Installation instructions included
See More

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999562A)

Serpentine Belt Tensioner: 1 Piece

from

$251.99
This Litens belt tensioner is supplied by the original equipment (O.E.) tensioner supplier and 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 original equipment part, this replacement tensioner is manufactured in Germany for 1990-1992 Mercedes-Benz 500CL,500E,500SL with 5.0L Gas. The tensioner maintains the O.E. round spring technology as well as the internal damping design specified for this application. As with the original tensioner, the part comes equipped with a heavy duty polymer pulley for optimum performance and durability. To assist with belt removal and installation, this tensioner is equipped with a lift feature. 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.
See More

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999842A)

Serpentine Belt Tensioner: 1 Piece

from

$177.99
This Litens belt tensioner is supplied by the original equipment (O.E.) tensioner supplier and meets all form, fit, and performance characteristics of the original equipment part . As with the original equipment part, this replacement tensioner is manufactured in the Czech Republic and meets all performance and life specifications of the O.E. part. This part was designed for the 2012-2015 Mercedes-Benz, S550, V-8 4.6 L, Tensioner Assy. The part features a premium chrome-silicon steel spring, internal damping, a 6203 ball bearing, a plastic pulley molded to exacting specifications, a lift-lug and pull pin feature 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._

Product Features:
  • Designed and engineered by the Original Equipment supplier of accessory drive tensioners and pulleys for this application.
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life. The internal damping design provides quiet, smooth, system performance.
  • A plastic pulley specifically molded with tight radial run out for reduced noise and longer life
  • Due to the fact that belts and tensioners have similar Original Equipment “design life targets”, it is often a best practice to replace the belt tensioner when replacing a worn or broken belt. Belt removal is required to change the tensioner. Therefore, d
  • Installation instructions included
See More

Dorman – Automatic Belt Tensioner (Tensioner Only) (Part No.419-367)

Automatic Belt Tensioner (Tensioner Only)

from

$114.99
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

Dayco No Slack Gold Label – Serpentine Belt Tensioner; 1 Piece, HD, Engineered To Handle Higher Torque (Part No.89463)

Serpentine Belt Tensioner; 1 Piece, HD, Engineered To Handle Higher Torque

from

$159.99
For heavy duty diesel engine accessory drive applications, Dayco’s HD automatic belt tensioner is designed to handle higher torque and power pulses. The heavy-duty cast aluminum body and pulley arms translate into extra strength and durability and the patented flat spring design prevents fluctuations to the tensioner body as its footprint doesn’t change when it’s under tension. This reduces the risk of belt noise and also helps avoid separation of the housing a key failure seen from competitive products. Dayco automatic belt tensioner H.D. also includes rugged pulleys with dual lifetime lubricated bearings to deliver long lasting, dependable service. Feature highly damped designs using a wave spring and a metal ring with a bonded polymeric surface that acts as a radial shock absorber for the tensioner arm while reducing contamination.

Product Features:
  • Designed to prevent fluctuations to the tensioner body for longer service life.
  • Reduces the risk of noise and helps avoid housing separation
  • Includes pulleys with lubricated bearings for longer lasting performance
  • Heavy-duty cast aluminum body and pulley arms translate into extra strength and durability
See More

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999659A)

Serpentine Belt Tensioner: 1 Piece

from

$151.99
This Litens belt tensioner is supplied by the original equipment (O.E.) tensioner supplier and meets all form, fit, and performance characteristics of the original equipment part . As with the original equipment part, this replacement tensioner meets all performance and life specifications of the O.E. part. This part was designed for Mercedes-Benz Applications. The Litens replacement part maintains the round wire spring and internal damping components specified by the O.E. manufacturer. Both the OE and aftermarket part are made 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 part supplier to ensure proper form, fit and performance
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life. The internal damping design provides quiet, smooth, system performance.
  • Installation Pin Included to Assist in Installation.
  • Durable Thermoplastic Pulley for long service life and performance.
  • Includes lift-lug feature for ease of installation.
  • Due to the fact that belts and tensioners have similar Original Equipment “design life targets”, it is often a best practice to replace the belt tensioner when replacing a worn or broken belt.
  • Belt removal is required to change the tensioner. Therefore, doing both together will extend accessory drive life and lower overall labor versus performing these services separately. Installation instructions included.
See More

Stabilus – Belt Tensioner Damper (Part No.G6003101127STB)

Belt Tensioner Damper

from

$99.23
The Sachs Stabilus Belt Tensioner Damper is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium Original Equipment replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
  • Manufactured to ensure long lasting performance
See More

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.950148A)

Serpentine Belt Tensioner: 1 Piece

from

$95.99
This accessory drive tensioner is designed and engineered by Litens – the world’s largest supplier of original equipment (O.E.) belt tensioners in the world. This part corresponds to the OE P/N is A271 200 04 70. The Litens replacement part meets all form, fit, and performance characteristics of the original equipment part (with the exception of not having the car manufacturer’s logo or part number applied to the part). This part is manufactured to meet or exceed the performance and life specifications of the O.E. part. The part features a premium chrome-silicon steel spring, internal damping, a “TORX T60 lift-lug” feature for ease of installation, a 6203 ball bearing and a plastic pulley molded to exacting specifications. Specifically designed for a Mercedes C250,SLK250 w/1.8L engine. 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:
  • Designed and engineered by the world’s largest Original Equipment supplier of accessory drive tensioners and pulleys
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life. The internal damping design provides quiet, smooth, system performance.
  • Installation instructions included.
  • A plastic pulley specifically molded with tight radial run out for reduced noise and longer life.
  • Due to the fact that belts and tensioners have similar Original Equipment “design life targets”, it is often a best practice to replace the belt tensioner when replacing a worn or broken belt. Belt removal is required to change the tensioner. Therefore, d
  • Installation instructions included
  • Professional mechanics can install this replacement OAD in approximately 1 1/2 hours. During alternator replacement, belts, tensioners, and routing pulleys should be inspected.
See More

Litens – Automatic Serpentine Belt Tensioner – Original Equipment Quality (Part No.950095A)

Automatic Serpentine Belt Tensioner - Original Equipment Quality

from

$323.99
Litens Automotive is the original equipment (O.E.) supplier of this tensioner for 2001-2011 Mercedes S430,S55,SL55,CL55,CLS55,S600,CL600,E55,G55 with 5.0/5.5 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). This part is manufactured in Germany by Litens to the same exacting specifications as the O.E. part. The tensioner maintains the O.E. round spring technology as well as the internal damping design specified for this application. Manufactured by the original equipment part supplier to insure proper form, fit, and performance. Internal “round spring” technology to provide constant belt tension and alignment throughout its service life.

Product Features:
  • Designed and engineered by the world’s largest Original Equipment suppliers of accessory drive tensioners and pulleys
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life
  • Installation instructions included
  • Professional Mechanics will change this tensioner in about 1+ hour
See More

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999602A)

Serpentine Belt Tensioner: 1 Piece

from

$275.99
This Heavy duty belt tensioner is manufactured by one of the largest original equipment tensioner suppliers to ensure proper fit and performance. This tensioner is produced for serpentine belt routing applications and is made of high strength steel for improved life and durability. This part corresponds to the 2007-2015 Mercedes-Benz C63,CLK63,CLS63,SLS,ML63,R63 with 6.3L. The tensioner maintains the O.E. round spring technology as well as the internal damping design specified for this application. This higher damping consequently reduces arm motion and wear as well as an optimized install feature for ease on tensioner replacement. 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 one of the largest original equipment part suppliers to ensure proper form, fit, and performance.
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life. The internal damping design provides quiet, smooth, system performance.
  • 6K Flat heavy duty thermoplastic pulley for long life
  • Installation instructions included
See More

Dayco – No Slack Automatic Belt Tensioner (Part No.89690)

No Slack Automatic Belt Tensioner

from

$243.99
Dayco No Slack Automatic Belt Tensioners are built to outperform and outlast competitive OE parts. The heavy duty cast aluminum spring case resists cracking and fatigue. Each component is built to resist rust, endure the toughest of conditions while promoting quieter performance and longer life.

Product Features:
  • The heavy duty cast aluminum spring case resists cracking and fatigue
  • Includes installation instructions
  • Rust resistant construction
  • Meets or exceeds OE quality
See More

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999061A)

Serpentine Belt Tensioner: 1 Piece

from

$237.99
This Litens aftermarket part is designed and engineered by one of the world’s largest supplier of Original Equipment (O.E.) tensioners. While the appearance is slightly different from the original equipment part, the Litens part maintains Mercedes-Benz original form, fit, and function specifications. The Litens design follows the O.E. choice of using rubber as the spring mechanism. Choosing The Correct Replacement Part: The Litens aftermarket tensioner is marked “Made in Germany”. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
See More

Gates – DriveAlign« Automatic Belt Drive Tensioner (Part No.39048)

DriveAlign« Automatic Belt Drive Tensioner

from

$214.99
Gates is a global leader in Original Equipment (OE) System Design. With a full line of tensioners globally, you can count on Gates to supply premium quality DriveAlign Automatic Belt Tensioners you can depend on.

Product Features:
  • Comprehensive line includes parts to fit cars, vans, SUVs and light trucks, domestic and import (European and Asian)
  • Manufactured using the same or improved technology and quality materials as the Original Equipment Manufacturer (OEM) part, assuring a factory match
  • Patented labyrinth seal protects internal components to meet or exceed OE life expectancy requirements
  • Patented vibration-damping system absorbs extreme vibration to improve tensioner, as well as belt and accessory, life
  • Torsional round spring design provides reliability as well as consistent tension
  • Comprehensive line includes parts to fit cars, vans, SUV’s and light/heavy-duty trucks.
See More

Hutchinson – Accessory Belt Tensioner (Part No.G6000316514HUT)

Accessory Belt Tensioner

from

$206.79
The Hutchinson Accessory Belt Tensioner is a direct fit OEM replacement that contains the same high quality craftsmanship as the original equipment it replaces.

Product Features:
  • OE-Equivalent and a direct fit application.
  • High tension spring assembly
  • Precision bearing assembly
  • High quality cast components
  • Durable long life performance.
See More

Dayco – No Slack Automatic Belt Tensioner (Part No.89679)

No Slack Automatic Belt Tensioner

from

$201.99
Dayco No Slack Automatic Belt Tensioners are built to outperform and outlast competitive OE parts. The heavy duty cast aluminum spring case resists cracking and fatigue. Each component is built to resist rust, endure the toughest of conditions while promoting quieter performance and longer life.

Product Features:
  • The heavy duty cast aluminum spring case resists cracking and fatigue
  • Includes installation instructions
  • Rust resistant construction
  • Rust resistant construction
See More

INA – Acc. Belt Tensioner (Part No.G6001316479INA)

Acc. Belt Tensioner

from

$179.02
Acc. Belt Tensioner

FAQs for Mercedes-Benz 300TDT Belt Tensioner Assemblies

What are the most popular Belt Tensioner Assemblies for the Mercedes-Benz 300TDT?

With 2 brands you can trust, our most popular Belt Tensioner Assemblies for the Mercedes-Benz 300TDT are:
Belt Tensioner Damper
from $52.67
This product is not rated
Belt Tensioner Damper
Belt Tensioner Assemblies
Accessory Belt Tensi
from $89.01
This product is not rated
Accessory Belt Tensi
Belt Tensioner Assemblies