HomeBelts and Cooling > Accessory Drive Belt System ComponentsFour Seasons 45081 Accessory Drive Belt Idler Pulley - Upper
Part #: 45081

Four Seasons 45081 Accessory Drive Belt Idler Pulley - Upper

Pulley, Upper
⚙️ 11 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Pulley, Upper
🚗Fitment: Cadillac and Chevrolet, CTS and Camaro
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Accessory Drive Belt Idler Pulley for Cadillac and Chevrolet

The Four Seasons Pulley 45081 is a steel accessory drive belt idler pulley designed specifically for select Cadillac and Chevrolet models, including the Camaro and CTS. Engineered to meet or exceed OEM standards, this idler pulley ensures proper serpentine belt tension and smooth operation of your vehicle's accessory drive system.

Key Features of Four Seasons Pulley 45081

  • Constructed from durable steel with a black finish for corrosion resistance
  • Compatible with serpentine belt systems featuring a belt width of approximately 1.3125 inches (34.925 mm)
  • Outside diameter measures 3.54 inches (90 mm) for precise fitment
  • Inside diameter (bore) of 0.417 inches (10 mm) with a single mounting hole
  • Smooth groove design to support belt alignment and reduce wear
  • Meets or exceeds original equipment manufacturer (OEM) specifications
  • Part number 45081 ensures exact replacement for specified vehicle models

About the Four Seasons Pulley Product Line

The Four Seasons Pulley line focuses on delivering reliable and durable pulley components for automotive accessory drive belt systems. This product line emphasizes quality materials and precise manufacturing to maintain proper belt tension and alignment. The Pulley 45081 idler pulley is part of this line, designed to provide consistent performance and compatibility with specific Cadillac and Chevrolet vehicles.

Detailed Product Description

This accessory drive belt idler pulley is crafted from steel, providing strength and longevity under demanding engine conditions. Its black finish offers additional protection against corrosion. The pulley features a smooth groove surface, which supports serpentine belts with a width of 1.3125 inches (34.925 mm), commonly found in the accessory drive systems of the Cadillac CTS and Chevrolet Camaro. The 3.54-inch (90 mm) outside diameter and 0.417-inch (10 mm) bore diameter ensure a precise fit, while the single mounting hole simplifies installation. The Four Seasons Pulley 45081 is engineered to meet or exceed OEM requirements, making it a reliable replacement part for maintaining proper belt tension and accessory function.

Common Applications and Issues Addressed

  • Restores proper tension and alignment in serpentine belt systems
  • Eliminates belt slippage and squealing noises caused by worn pulleys
  • Prevents premature belt wear and potential accessory drive failure
  • Replaces damaged or seized idler pulleys in Cadillac CTS and Chevrolet Camaro models
  • Supports smooth operation of alternator, power steering, and air conditioning belts

Installation Notes and Tips

  • Verify compatibility with your specific Cadillac or Chevrolet model before installation
  • Mounting hardware is not included; reuse existing hardware or source appropriate fasteners
  • Inspect serpentine belt condition and replace if worn during pulley installation
  • Ensure proper torque specifications are followed to avoid pulley misalignment
  • Consult vehicle service manual for detailed installation procedures

Quality Assurance and Warranty

The Four Seasons Pulley 45081 idler pulley is manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. While specific warranty details may vary, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. This part is designed to provide consistent service life when installed and maintained according to manufacturer guidelines.

BrandFour Seasons
Part Number45081
PositionPulley, Upper
Belt TypeSerpentine
Belt Width IN1.3125
Belt Width MM34.925
Bore Dia. IN.417
ColorBlack
DescriptionIdler Pulley
Groove QuantitySmooth
I.D. MM10.000
Inside Diameter.417
MaterialSteel
Meets / Exceeds OEM?Yes
Mount Hole Qty1
Mounting Hardware?Not Included
O.D. MM90.0
Outside Diameter3.54
Pulley TypeIdler Pulley
Pulley Width IN1.4
Pulley Width MM35
StyleIdler Pulley
TypePulley
Width35

This part fits 11 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2015CadillacCTS6.2LV8UpperPulley
2015ChevroletCamaro6.2LV8UpperPulley
2014CadillacCTS6.2LV8UpperPulley
2014ChevroletCamaro6.2LV8UpperPulley
2013CadillacCTS6.2LV8UpperPulley
2013ChevroletCamaro6.2LV8UpperPulley
2012CadillacCTS6.2LV8UpperPulley
2012ChevroletCamaro6.2LV8UpperPulley
2011CadillacCTS6.2LV8UpperPulley
2010CadillacCTS6.2LV8UpperPulley
2009CadillacCTS6.2LV8UpperPulley

* 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:

1260603145081508183594489553A79789

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