HomeBelts and Cooling > Accessory Drive Belt System ComponentsFour Seasons 45005 Accessory Drive Belt Idler Pulley - Air Conditioning Bracket
Part #: 45005

Four Seasons 45005 Accessory Drive Belt Idler Pulley - Air Conditioning Bracket

Pulley, Air Conditioning Bracket
⚙️ 7 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Pulley, Air Conditioning Bracket
🚗Fitment: Nissan, Sentra
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Reliable Accessory Drive Belt Idler Pulley for Nissan Sentra

The Four Seasons Pulley 45005 is a steel accessory drive belt idler pulley designed specifically for Nissan Sentra models. Engineered to meet or exceed OEM specifications, this pulley ensures smooth operation of the serpentine belt system, maintaining proper tension and alignment.

  • Constructed from durable steel with a black finish for corrosion resistance
  • Compatible with serpentine belt systems featuring a belt width of 1.375 inches (34.925 mm)
  • Outside diameter measures 3.375 inches (85.725 mm) with a smooth groove design
  • Inside diameter of 0.6875 inches (17.463 mm) and bore diameter of 0.69 inches
  • Designed as a back idler pulley with a single mounting hole (mounting hardware not included)
  • Meets or exceeds OEM quality standards for Nissan Sentra vehicles

Four Seasons Pulley Product Line Overview

The Four Seasons Pulley line focuses on precision-engineered accessory drive belt system components. This product line emphasizes durability and exact fitment, providing reliable idler and tensioner pulleys that maintain optimal belt tension and reduce wear. The 45005 pulley is part of this line, offering a steel construction and smooth surface to support serpentine belt operation in Nissan Sentra models.

Detailed Product Description

This accessory drive belt idler pulley (part number 45005) is crafted from steel to provide strength and longevity under demanding engine conditions. Its black finish helps resist corrosion, extending service life. The pulley features a smooth groove surface, suitable for serpentine belts with a width of 1.375 inches (34.925 mm). With an outside diameter of 3.375 inches and an inside diameter of 0.6875 inches, it fits precisely within the accessory drive system of Nissan Sentra vehicles. The single mounting hole design allows for straightforward installation, although mounting hardware is not included.

Common Applications and Issues Addressed

  • Restores proper tension and alignment in the serpentine belt system
  • Eliminates belt slippage and squealing noises caused by worn pulleys
  • Prevents premature belt wear and potential engine accessory failure
  • Replaces damaged or seized idler pulleys to maintain engine performance
  • Supports smooth operation of alternator, power steering, and air conditioning belts

Installation Notes and Tips

  • Verify compatibility with Nissan Sentra model year before installation
  • Inspect serpentine belt and related components for wear during replacement
  • Use appropriate tools to remove and install the pulley securely
  • Ensure the pulley spins freely without resistance after installation
  • Mounting hardware is not included; reuse existing hardware or source OEM replacements

Quality Assurance and Warranty

The Four Seasons Pulley 45005 meets or exceeds OEM standards, ensuring reliable performance and durability. Manufactured with precision steel materials, this idler pulley is designed to withstand typical engine operating conditions. While specific warranty details are not provided, Four Seasons products generally adhere to industry quality controls and are backed by the brand's commitment to fit and function.

BrandFour Seasons
Part Number45005
PositionPulley, Air Conditioning Bracket
Belt TypeSerpentine
Belt Width IN1.375
Belt Width MM34.925
Bore Dia. IN.69
ColorBlack
DescriptionIdler / Tensioner Pulley
Groove QuantitySmooth
I.D. MM17.463
Inside Diameter0.6875
MaterialSteel
Meets / Exceeds OEM?Yes
Mount Hole Qty1
Mounting Hardware?Not Included
O.D. MM85.725
Outside Diameter3.375
Pulley TypeBack Idler
Pulley Width IN1.38
Pulley Width MM35
StyleIdler / Tensioner Pulley
TypePulley
Width35

This part fits 7 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006NissanSentra1.8LL4N/APulley
2005NissanSentra1.8LL4N/APulley
2004NissanSentra1.8LL4Air Conditioning BracketPulley
2003NissanSentra1.8LL4Air Conditioning BracketPulley
2002NissanSentra1.8LL4Air Conditioning BracketPulley
2001NissanSentra1.8LL4Air Conditioning BracketPulley
2000NissanSentra1.8LL4Air Conditioning BracketPulley

* 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:

11145005119254Z010119254Z011119254Z012119254Z013119254Z01A154009419144720191899743614240931145005491105005806050835229A9311CWK835229KR138230

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