Homeβ€Ί Belts and Cooling > Accessory Drive Belt System Componentsβ€Ί Four Seasons 45070 Accessory Drive Belt Idler Pulley - Upper
Part #: 45070

Four Seasons 45070 Accessory Drive Belt Idler Pulley - Upper

Pulley, Upper
βš™οΈ 252 vehicles fit this part
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πŸ“¦Pulley, Upper
πŸš—Fitment: Lexus and Toyota, GS350, IS250, RX350, 4Runner, Avalon, Camry, FJ Cruiser, Highlander, Sienna, Tacoma, Tundra, Venza, ES350, RAV4, and IS350
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Reliable Accessory Drive Belt Idler Pulley for Lexus and Toyota

The Four Seasons Pulley 45070 is a steel accessory drive belt idler pulley designed for select Lexus and Toyota models. Engineered to meet or exceed OEM specifications, this black idler pulley ensures smooth belt operation and reliable tensioning in your vehicle's accessory drive system.

  • Constructed from durable steel material for long-lasting performance
  • Black finish with a smooth groove design for optimal belt contact
  • Inside diameter of 1.26 inches and outside diameter of 2.76 inches
  • Width measures 31.8 mm (1.25 inches) to accommodate 1.00 inch (25.4 mm) belt width
  • Designed as a back idler pulley with a single mounting hole
  • Compatible with multiple Lexus and Toyota models including Camry, Highlander, Tacoma, and more
  • Meets or exceeds OEM quality standards for reliable fit and function

Four Seasons Pulley Product Line Overview

The Four Seasons Pulley product line focuses on precision-engineered components for accessory drive belt systems. This line includes idler and tensioner pulleys designed to maintain proper belt tension and alignment, reducing wear and improving overall engine accessory performance. The Pulley 45070 is part of this line, offering a steel construction and smooth groove style tailored for back idler applications in various Lexus and Toyota vehicles.

Detailed Product Description

This accessory drive belt idler pulley features a steel body with a black finish, providing durability and resistance to wear. The smooth groove design supports a 1.00 inch (25.4 mm) wide belt, ensuring consistent belt tracking and tension. With an inside diameter of 1.26 inches (32.0 mm) and an outside diameter of 2.76 inches (70.0 mm), the pulley fits securely in the accessory drive system. The single mounting hole allows for straightforward installation, although mounting hardware is not included. This pulley is compatible with a range of Lexus and Toyota models such as the 4Runner, Avalon, Camry, ES350, FJ Cruiser, GS series, Highlander, IS series, NX series, RAV4, RX series, Sienna, Tacoma, Tundra, and Venza.

Common Applications and Issues Addressed

  • Restores proper belt tension and alignment in accessory drive systems
  • Eliminates belt slippage and noise caused by worn or damaged pulleys
  • Prevents premature belt wear and potential accessory drive failure
  • Replaces faulty idler pulleys in Lexus and Toyota vehicles to maintain engine performance
  • Supports smooth operation of alternator, power steering, and air conditioning belts

Installation Notes and Tips

  • Verify compatibility with your specific Lexus or Toyota model before installation
  • Ensure the pulley is installed with the correct orientation and torque specifications
  • Mounting hardware is not included; reuse existing hardware or obtain OEM replacements
  • Inspect the accessory drive belt for wear and replace if necessary during installation
  • Consult vehicle service manual for detailed installation procedures

Quality Assurance and Warranty

The Four Seasons Pulley 45070 meets or exceeds OEM quality standards, ensuring reliable fit and function in compatible Lexus and Toyota vehicles. Manufactured with precision steel construction and tested for durability, this idler pulley supports consistent accessory drive system performance. Warranty information should be confirmed with the parts provider or manufacturer.

BrandFour Seasons
Part Number45070
PositionPulley, Upper
Belt TypeBack Idler
Belt Width IN1.00
Belt Width MM25.4
Bore Dia. IN.413
ColorBlack
DescriptionIdler / Tensioner Pulley
Groove QuantitySmooth
I.D. MM32.0
Inside Diameter1.26
MaterialSteel
Meets / Exceeds OEM?Yes
Mount Hole Qty1
Mounting Hardware?Not Included
O.D. MM70.0
Outside Diameter2.76
Pulley TypeIdler Pulley
Pulley Width IN1.25
Pulley Width MM31.8
StyleIdler / Tensioner Pulley
TypePulley
Width31.8

This part fits 252 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersPositionNotes
2025LexusES350N/APulley
2025LexusIS3003.5LV6N/APulley
2025LexusIS350N/APulley
2025LexusRC3003.5LV6N/APulley
2025LexusRC350N/APulley
2024LexusES350N/APulley
2024LexusIS3002.0LL4N/ASmooth Pulley; Pulley
2024LexusIS350N/APulley
2024LexusRC3003.5LV6N/ASmooth Pulley; Pulley
2024LexusRC350N/APulley
2024Toyota4RunnerUpperPulley
2024ToyotaCamry3.5LV6N/APulley
2023LexusES350N/APulley
2023LexusIS3003.5LV6N/ASmooth Pulley; Pulley
2023LexusIS350N/APulley
2023LexusRC3002.0LL4N/ASmooth Pulley; Pulley
2023LexusRC350N/APulley
2023Toyota4RunnerUpperPulley
2023ToyotaCamry3.5LV6N/APulley
2022LexusES350N/APulley
2022LexusIS3002.0LL4N/ASmooth Pulley; Pulley
2022LexusIS350N/APulley
2022LexusRC3003.5LV6N/ASmooth Pulley; Pulley
2022LexusRC350N/APulley
2022LexusRX350N/APulley
2022LexusRX350LN/APulley
2022Toyota4RunnerUpperPulley
2022ToyotaAvalon3.5LV6N/APulley
2022ToyotaCamry3.5LV6N/APulley
2022ToyotaHighlander3.5LV6N/APulley
2021LexusES350N/APulley
2021LexusIS3002.0LL4N/ASmooth Pulley; Pulley
2021LexusIS350N/APulley
2021LexusNX300N/ASmooth Pulley; Pulley
2021LexusRC3003.5LV6N/ASmooth Pulley; Pulley
2021LexusRC350N/APulley
2021LexusRX350N/APulley
2021LexusRX350LN/APulley
2021Toyota4RunnerUpperPulley
2021ToyotaAvalonN/APulley
2021ToyotaCamry3.5LV6N/APulley
2021ToyotaHighlander3.5LV6N/APulley
2020LexusES350N/APulley
2020LexusGS350RWDN/APulley
2020LexusIS3002.0LL4N/ASmooth Pulley; Pulley
2020LexusIS350N/APulley
2020LexusNX300N/ASmooth Pulley; Pulley
2020LexusRC3002.0LL4N/ASmooth Pulley; Pulley
2020LexusRC350N/APulley
2020LexusRX350N/APulley
2020LexusRX350LN/APulley
2020Toyota4RunnerUpperPulley
2020ToyotaAvalon3.5LV6N/APulley
2020ToyotaCamry3.5LV6N/APulley
2020ToyotaHighlander3.5LV6N/APulley
2020ToyotaSiennaN/APulley
2019LexusES350N/APulley
2019LexusGS350RWDN/APulley
2019LexusIS3002.0LL4N/ASmooth Pulley; Pulley
2019LexusIS350N/APulley
2019LexusNX300N/ASmooth Pulley; Pulley
2019LexusRC3003.5LV6N/ASmooth Pulley; Pulley
2019LexusRC350N/APulley
2019LexusRX350N/APulley
2019LexusRX350LN/APulley
2019Toyota4RunnerUpperPulley
2019ToyotaAvalon3.5LV6N/APulley
2019ToyotaCamry3.5LV6N/APulley
2019ToyotaHighlander3.5LV6N/APulley
2019ToyotaSiennaN/APulley
2018LexusES350N/APulley
2018LexusGS350RWDN/APulley
2018LexusIS3002.0LL4N/ASmooth Pulley; Pulley
2018LexusIS350N/APulley
2018LexusNX300N/ASmooth Pulley; Pulley
2018LexusRC3002.0LL4N/ASmooth Pulley; Pulley
2018LexusRC350N/APulley
2018LexusRX350N/APulley
2018LexusRX350LN/APulley
2018Toyota4RunnerUpperPulley
2018ToyotaAvalon3.5LV6N/APulley
2018ToyotaCamry3.5LV6N/APulley
2018ToyotaHighlander3.5LV6N/APulley
2018ToyotaSiennaN/APulley
2017LexusES350N/APulley
2017LexusGS200tN/ASmooth Pulley; Pulley
2017LexusGS350RWDN/APulley
2017LexusIS200tN/ASmooth Pulley; Pulley
2017LexusIS300N/ASmooth Pulley; Pulley
2017LexusIS350N/APulley
2017LexusNX200tN/ASmooth Pulley; Pulley
2017LexusRC200tN/ASmooth Pulley; Pulley
2017LexusRC300N/ASmooth Pulley; Pulley
2017LexusRC350N/APulley
2017LexusRX350N/APulley
2017Toyota4RunnerUpperPulley
2017ToyotaAvalon3.5LV6N/APulley
2017ToyotaCamry3.5LV6N/APulley
2017ToyotaHighlander3.5LV6N/APulley
2017ToyotaSiennaN/APulley
2016LexusES350N/APulley
2016LexusGS200tN/ASmooth Pulley; Pulley
2016LexusGS350RWDN/APulley
2016LexusIS200tN/ASmooth Pulley; Pulley
2016LexusIS300N/ASmooth Pulley; Pulley
2016LexusIS350N/ASmooth Pulley; Pulley
2016LexusNX200tN/ASmooth Pulley; Pulley
2016LexusRC200tN/ASmooth Pulley; Pulley
2016LexusRC300N/ASmooth Pulley; Pulley
2016LexusRC350N/APulley
2016LexusRX350N/APulley
2016Toyota4RunnerUpperPulley
2016ToyotaAvalon3.5LV6N/APulley
2016ToyotaCamry3.5LV6N/APulley
2016ToyotaHighlander3.5LV6N/APulley
2016ToyotaSiennaN/APulley
2015LexusES350N/APulley
2015LexusGS350RWDN/APulley
2015LexusIS250N/ASmooth Pulley; Pulley
2015LexusIS350N/ASmooth Pulley; Pulley
2015LexusNX200tN/ASmooth Pulley; Pulley
2015LexusRC350N/APulley
2015LexusRX350N/APulley
2015Toyota4RunnerUpperPulley
2015ToyotaAvalon3.5LV6N/APulley
2015ToyotaCamry3.5LV6N/APulley
2015ToyotaHighlander3.5LV6N/APulley
2015ToyotaSiennaN/APulley
2015ToyotaTacoma4.0LV6UpperPulley
2015ToyotaVenza3.5LV6N/APulley
2014LexusES350N/APulley
2014LexusGS350RWDN/APulley
2014LexusIS250N/ASmooth Pulley; Pulley
2014LexusIS350N/ASmooth Pulley; Pulley
2014LexusRX350N/APulley
2014Toyota4RunnerUpperPulley
2014ToyotaAvalon3.5LV6N/APulley
2014ToyotaCamry3.5LV6N/APulley
2014ToyotaFJ CruiserUpperPulley
2014ToyotaHighlander3.5LV6N/APulley
2014ToyotaSiennaN/APulley
2014ToyotaTacoma4.0LV6UpperPulley
2014ToyotaTundra4.0LV6UpperPulley
2014ToyotaVenza3.5LV6N/APulley
2013LexusES350N/APulley
2013LexusGS350RWDN/APulley
2013LexusIS250RWDN/APulley
2013LexusIS350N/APulley
2013LexusRX350N/APulley
2013Toyota4RunnerUpperPulley
2013ToyotaAvalon3.5LV6N/APulley
2013ToyotaCamry3.5LV6N/APulley
2013ToyotaFJ CruiserUpperPulley
2013ToyotaHighlander3.5LV6N/APulley
2013ToyotaSienna3.5LV6N/APulley
2013ToyotaTacoma4.0LV6UpperPulley
2013ToyotaTundra4.0LV6UpperPulley
2013ToyotaVenza3.5LV6N/APulley
2012LexusES350N/APulley
2012LexusIS250RWDN/APulley
2012LexusIS350N/APulley
2012LexusRX350N/APulley
2012Toyota4RunnerUpperPulley
2012ToyotaAvalonN/APulley
2012ToyotaCamry3.5LV6N/APulley
2012ToyotaHighlander3.5LV6N/APulley
2012ToyotaRAV43.5LV6N/APulley
2012ToyotaSienna3.5LV6N/APulley
2012ToyotaTacoma4.0LV6UpperPulley
2012ToyotaTundra4.0LV6UpperPulley
2012ToyotaVenza3.5LV6N/APulley
2011LexusES350N/APulley
2011LexusGS350RWDN/APulley
2011LexusIS250RWDN/APulley
2011LexusIS350N/APulley
2011LexusRX350N/APulley
2011Toyota4RunnerUpperPulley
2011ToyotaAvalonN/APulley
2011ToyotaCamry3.5LV6N/APulley
2011ToyotaFJ CruiserUpperPulley
2011ToyotaHighlander3.5LV6N/APulley
2011ToyotaRAV43.5LV6N/APulley
2011ToyotaSienna3.5LV6N/APulley
2011ToyotaTacoma4.0LV6UpperPulley
2011ToyotaTundra4.0LV6UpperPulley
2011ToyotaVenza3.5LV6N/APulley
2010LexusES350N/APulley
2010LexusGS350RWDN/APulley
2010LexusIS250RWDN/APulley
2010LexusIS350N/APulley
2010LexusRX350N/APulley
2010Toyota4Runner4.0LV6UpperPulley
2010ToyotaAvalonN/APulley
2010ToyotaCamry3.5LV6N/APulley
2010ToyotaFJ CruiserUpperPulley
2010ToyotaHighlander3.5LV6N/APulley
2010ToyotaRAV43.5LV6N/APulley
2010ToyotaSiennaN/APulley
2010ToyotaTacoma4.0LV6UpperPulley
2010ToyotaTundra4.0LV6UpperPulley
2010ToyotaVenza3.5LV6N/APulley
2009LexusES350N/APulley
2009LexusGS350RWDN/APulley
2009LexusIS250RWDN/APulley
2009LexusIS350N/APulley
2009LexusRX350N/APulley
2009Toyota4Runner4.0LV6UpperPulley
2009ToyotaAvalonN/APulley
2009ToyotaCamry3.5LV6N/APulley
2009ToyotaFJ CruiserUpperPulley
2009ToyotaHighlander3.5LV6N/APulley
2009ToyotaRAV43.5LV6N/APulley
2009ToyotaSiennaN/APulley
2009ToyotaTacoma4.0LV6UpperPulley
2009ToyotaTundra4.0LV6UpperPulley
2009ToyotaVenza3.5LV6N/APulley
2008LexusES350N/APulley
2008LexusGS350RWDN/APulley
2008LexusIS250RWDN/APulley
2008LexusIS350N/APulley
2008LexusRX350N/APulley
2008Toyota4Runner4.0LV6UpperPulley
2008ToyotaAvalonN/APulley
2008ToyotaCamry3.5LV6N/APulley
2008ToyotaFJ CruiserUpperPulley
2008ToyotaHighlander3.5LV6N/APulley
2008ToyotaRAV43.5LV6N/APulley
2008ToyotaSiennaN/APulley
2008ToyotaTundra4.0LV6UpperPulley
2007LexusES350N/APulley
2007LexusGS350RWDN/APulley
2007LexusIS250RWDN/APulley
2007LexusIS350N/APulley
2007LexusRX350N/APulley
2007Toyota4Runner4.0LV6UpperPulley
2007ToyotaAvalonN/APulley
2007ToyotaCamry3.5LV6N/APulley
2007ToyotaFJ CruiserUpperPulley
2007ToyotaRAV43.5LV6N/APulley
2007ToyotaSiennaN/APulley
2007ToyotaTundra4.0LV6UpperPulley
2006LexusGS300N/ASmooth Pulley; Pulley
2006LexusIS250RWDN/APulley
2006LexusIS350N/APulley
2006Toyota4Runner4.0LV6UpperPulley
2006ToyotaAvalonN/APulley
2006ToyotaRAV43.5LV6N/APulley
2006ToyotaTundra4.0LV6UpperPulley
2005Toyota4Runner4.0LV6UpperPulley
2005ToyotaAvalonN/APulley
2005ToyotaTacoma4.0LV6N/ASmooth Pulley; Pulley
2005ToyotaTundra4.0LV6UpperPulley

* 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:

166040P010166040P011166043101016604310203617345070507083523889158A89359

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