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Part #: 49858

Continental 49858 Accessory Drive Belt Tensioner Assembly - Accessory Drive or Alternator

Multi-V, Accessory Drive and Alternator
⚙️ 94 vehicles fit this part
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Select your vehicle to confirm fitment
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦Multi-V, Accessory Drive and Alternator
🚗Fitment: Mazda, 3, 3 Sport, 6, CX-3, CX-30, CX-5, CX-50, CX-9, and MX-5 Miata
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Reliable Accessory Drive Belt Tensioner for Mazda Vehicles

The Continental Multi-V Accessory Drive Belt Tensioner Assembly, part number 49858, is designed to maintain optimal belt tension in various Mazda models. This component ensures smooth operation of the accessory drive belt system, contributing to the overall performance and reliability of your vehicle.

  • Compatible with Mazda 3, 3 Sport, 6, CX-3, CX-5, CX-9, CX-30, CX-50, and MX-5 Miata
  • Part number 49858 for precise identification and fitment
  • Part of the Continental Multi-V product line, known for durable belt system components
  • Maintains proper tension on accessory drive belts to prevent slippage and wear
  • Engineered for long-lasting performance in demanding driving conditions

About the Continental Multi-V Product Line

The Multi-V line from Continental focuses on components that support accessory drive belt systems, including tensioners and pulleys. This product line is engineered to provide consistent belt tension and alignment, which is critical for the efficient operation of engine accessories such as the alternator, power steering pump, and air conditioning compressor. The Multi-V tensioner assembly 49858 is designed to meet the specific requirements of various Mazda models, ensuring compatibility and reliable function.

Product Details and Compatibility

The accessory drive belt tensioner assembly 49858 is compatible with a range of Mazda vehicles, including the Mazda 3, 3 Sport, 6, CX-3, CX-5, CX-9, CX-30, CX-50, and MX-5 Miata. This part plays a crucial role in maintaining the correct tension on the accessory drive belt, which drives multiple engine components. Proper tension prevents belt slippage, reduces noise, and extends the life of the belt and related components.

Common Issues Addressed by This Tensioner Assembly

  • Eliminates belt slippage that can cause accessory malfunction
  • Prevents premature belt wear and cracking
  • Reduces noise caused by loose or worn belts
  • Maintains consistent tension for optimal accessory performance
  • Helps avoid engine overheating due to accessory failure

Installation Notes and Tips

When installing the Continental Multi-V accessory drive belt tensioner assembly 49858, ensure the belt routing matches the vehicle’s specifications. Use proper tools to relieve tension from the old belt before removal. Verify that the tensioner pulley moves smoothly and applies adequate tension after installation. It is recommended to inspect the accessory drive belt for wear and replace it if necessary during installation.

Quality Assurance and Warranty

Continental manufactures the Multi-V tensioner assembly 49858 to meet strict quality standards, ensuring durability and reliable performance. While specific warranty details are not provided here, Continental typically offers coverage against manufacturing defects. For warranty information, consult the product documentation or the manufacturer directly.

This part fits 94 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2025MazdaCX-302.5LL4Accessory DriveMulti-V
2024Mazda32.5LL4Accessory DriveMulti-V
2024Mazda3 Sport2.5LL4Accessory DriveMulti-V
2024MazdaCX-302.5LL4Accessory DriveMulti-V
2024MazdaCX-52.5LL4AlternatorMulti-V
2023Mazda32.0LL4Accessory DriveMulti-V
2023Mazda3 Sport2.0LL4Accessory DriveMulti-V
2023MazdaCX-32.0LL4Accessory DriveMulti-V
2023MazdaCX-302.5LL4Accessory DriveMulti-V
2023MazdaCX-52.5LL4AlternatorMulti-V
2023MazdaCX-502.5LL4Accessory DriveMulti-V
2023MazdaCX-92.5LL4Accessory DriveMulti-V
2023MazdaMX-5 Miata2.0LL4Accessory DriveMulti-V
2022Mazda32.0LL4GASAccessory DriveMulti-V
2022Mazda3 Sport2.0LL4GASAccessory DriveMulti-V
2022MazdaCX-32.0LL4Accessory DriveMulti-V
2022MazdaCX-302.5LL4Accessory DriveMulti-V
2022MazdaCX-52.5LL4Accessory DriveMulti-V
2022MazdaCX-92.5LL4Accessory DriveMulti-V
2022MazdaMX-5 Miata2.0LL4Accessory DriveMulti-V
2021Mazda32.0LL4Accessory DriveMulti-V
2021Mazda32.5LL4Accessory DriveMulti-V
2021Mazda3 Sport2.0LL4Accessory DriveMulti-V
2021Mazda3 Sport2.5LL4Accessory DriveMulti-V
2021Mazda62.5LL4Accessory DriveMulti-V
2021MazdaCX-32.0LL4Accessory DriveMulti-V
2021MazdaCX-302.5LL4Accessory DriveMulti-V
2021MazdaCX-52.5LL4Accessory DriveMulti-V
2021MazdaCX-92.5LL4Accessory DriveMulti-V
2021MazdaMX-5 Miata2.0LL4Accessory DriveMulti-V
2020Mazda32.5LL4Accessory DriveMulti-V
2020Mazda3 Sport2.5LL4Accessory DriveMulti-V
2020Mazda62.5LL4Accessory DriveMulti-V
2020MazdaCX-32.0LL4Accessory DriveMulti-V
2020MazdaCX-302.5LL4Accessory DriveMulti-V
2020MazdaCX-52.5LL4Accessory DriveMulti-V
2020MazdaCX-92.5LL4Accessory DriveMulti-V
2020MazdaMX-5 Miata2.0LL4Accessory DriveMulti-V
2019Mazda32.5LL4Accessory DriveMulti-V
2019Mazda3 Sport2.5LL4Accessory DriveMulti-V
2019Mazda62.5LL4Accessory DriveMulti-V
2019MazdaCX-32.0LL4Accessory DriveMulti-V
2019MazdaCX-52.2LL4Accessory DriveMulti-V
2019MazdaCX-52.5LL4Accessory DriveMulti-V
2019MazdaCX-92.5LL4Accessory DriveMulti-V
2019MazdaMX-5 Miata2.0LL4Accessory DriveMulti-V
2018Mazda32.0LL4Accessory DriveMulti-V
2018Mazda32.5LL4Accessory DriveMulti-V
2018Mazda3 Sport2.0LL4Accessory DriveMulti-V
2018Mazda3 Sport2.5LL4Accessory DriveMulti-V
2018Mazda62.5LL4Accessory DriveMulti-V
2018MazdaCX-32.0LL4Accessory DriveMulti-V
2018MazdaCX-52.0LL4Accessory DriveMulti-V
2018MazdaCX-52.5LL4Accessory DriveMulti-V
2018MazdaCX-92.5LL4Accessory DriveMulti-V
2018MazdaMX-5 Miata2.0LL4Accessory DriveMulti-V
2017Mazda32.0LL4Accessory DriveMulti-V
2017Mazda32.5LL4Accessory DriveMulti-V
2017Mazda3 Sport2.0LL4Accessory DriveMulti-V
2017Mazda3 Sport2.5LL4Accessory DriveMulti-V
2017Mazda62.5LL4Accessory DriveMulti-V
2017MazdaCX-32.0LL4Accessory DriveMulti-V
2017MazdaCX-52.0LL4Accessory DriveMulti-V
2017MazdaCX-52.5LL4Accessory DriveMulti-V
2017MazdaCX-92.5LL4Accessory DriveMulti-V
2017MazdaMX-5 Miata2.0LL4Accessory DriveMulti-V
2016Mazda32.0LL4Accessory DriveMulti-V
2016Mazda32.5LL4Accessory DriveMulti-V
2016Mazda3 Sport2.0LL4Accessory DriveMulti-V
2016Mazda3 Sport2.5LL4Accessory DriveMulti-V
2016Mazda62.5LL4Accessory DriveMulti-V
2016MazdaCX-32.0LL4Accessory DriveMulti-V
2016MazdaCX-52.0LL4Accessory DriveMulti-V
2016MazdaCX-92.5LL4Accessory DriveMulti-V
2016MazdaMX-5 Miata2.0LL4Accessory DriveMulti-V
2015Mazda32.0LL4Accessory DriveMulti-V
2015Mazda32.5LL4Accessory DriveMulti-V
2015Mazda3 Sport2.0LL4Accessory DriveMulti-V
2015Mazda3 Sport2.5LL4Accessory DriveMulti-V
2015Mazda62.5LL4Accessory DriveMulti-V
2015MazdaCX-52.0LL4Accessory DriveMulti-V
2015MazdaCX-52.5LL4Accessory DriveMulti-V
2014Mazda32.0LL4Accessory DriveMulti-V
2014Mazda32.5LL4Accessory DriveMulti-V
2014Mazda3 Sport2.0LL4Accessory DriveMulti-V
2014Mazda3 Sport2.5LL4Accessory DriveMulti-V
2014Mazda62.5LL4Accessory DriveMulti-V
2014MazdaCX-52.0LL4Accessory DriveMulti-V
2014MazdaCX-52.5LL4Accessory DriveMulti-V
2013Mazda3GS-SKY2.0LL4Accessory DriveMulti-V
2013Mazda3 SportGS-SKY2.0LL4Accessory DriveMulti-V
2013MazdaCX-52.0LL4Accessory DriveMulti-V
2012Mazda3GS-SKY2.0LL4Accessory DriveMulti-V
2012Mazda3 SportGS-SKY2.0LL4Accessory DriveMulti-V

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

39390PE0115980APE0115980BPE0315980APE0315980BPE0315980C

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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