HomeBelts and Cooling > Accessory Drive Belt System ComponentsFour Seasons 45084 Accessory Drive Belt Tensioner Pulley - Air Conditioning or Power Steering
Part #: 45084

Four Seasons 45084 Accessory Drive Belt Tensioner Pulley - Air Conditioning or Power Steering

Pulley, Air Conditioning and Power Steering
⚙️ 170 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Pulley, Air Conditioning and Power Steering
🚗Fitment: Cadillac, Chevrolet, Ford, GMC, Lincoln, Pontiac, and Saturn, Avalanche 2500, Camaro, Corvette, CTS, Edge, Escape, Explorer, Firebird, Focus, Fusion, G8, GTO, MKC, MKT, MKZ, Mustang, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, Silverado 3500 Classic, Sky, Solstice, Suburban 2500, Taurus, Transit Connect, and Yukon XL 2500
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Reliable Accessory Drive Belt Tensioner Pulley for Select Vehicles

The Four Seasons Pulley 45084 is a durable accessory drive belt tensioner pulley designed for a range of GM and Ford vehicles. Engineered with steel construction and a smooth groove design, this idler pulley supports serpentine belt systems in models like the Chevrolet Silverado 2500 HD and Ford Explorer.

  • Constructed from robust steel for long-lasting performance
  • Black finish with a smooth groove for serpentine belt compatibility
  • Outside diameter of 2.48 inches and width of 17.5 mm
  • Inside diameter of 0.671875 inches (17 mm bore)
  • Compatible with multiple makes including Cadillac, Chevrolet, Ford, GMC, Lincoln, Pontiac, and Saturn
  • Meets or exceeds OEM specifications for reliable fit and function

Four Seasons Pulley Product Line Overview

The Four Seasons Pulley line focuses on precision-engineered pulleys designed to maintain proper belt tension and alignment in accessory drive systems. The 45084 idler pulley is part of this line, offering a steel construction and smooth groove profile optimized for serpentine belts. This ensures consistent belt tracking and reduces wear on the belt and related components.

Product Details and Specifications

This accessory drive belt tensioner pulley features a 0.671875 inch inside diameter and a 2.48 inch outside diameter, with a pulley width of 17.5 mm (0.71 inches). The smooth groove design is intended for serpentine belt systems with a belt width of 0.5 inches (15.9 mm). It includes a single mounting hole and does not come with mounting hardware. The black steel construction provides durability and resistance to wear under normal operating conditions.

Compatible Vehicles and Applications

  • Chevrolet Silverado 2500 HD, 3500, and Classic models
  • Ford Explorer, Escape, Mustang, and Transit Connect
  • Cadillac CTS and Escalade models
  • GMC Sierra 2500 HD, 3500, and Yukon XL 2500
  • Lincoln MKC, MKT, MKZ
  • Pontiac G8, GTO, Firebird, Solstice, and Sky
  • Saturn Aura and Vue

Common Issues Addressed by This Pulley

  • Worn or damaged idler pulley causing belt misalignment
  • Excessive belt noise due to pulley wear
  • Serpentine belt slippage or premature wear
  • Failure of OEM pulley leading to accessory drive system issues
  • Maintaining proper belt tension to prevent engine accessory malfunction

Installation Notes and Tips

Ensure the mounting surface is clean and free of debris before installation. This pulley requires a single mounting hole and does not include mounting hardware, so retain or source appropriate fasteners. Verify belt alignment and tension after installation to prevent premature wear. Consult vehicle-specific service manuals for torque specifications and installation procedures.

Quality Assurance and Warranty

The Four Seasons Pulley 45084 meets or exceeds OEM standards for fit and function, providing reliable performance in accessory drive belt systems. While specific warranty details are not provided, Four Seasons products typically undergo rigorous quality control to ensure durability and compatibility with listed vehicle applications.

BrandFour Seasons
Part Number45084
PositionPulley, Air Conditioning and Power Steering
MaterialSteel
ColorBlack
Inside Diameter0.671875
Groove QuantitySmooth
Width17.5
Outside Diameter2.48
Belt TypeSerpentine
Belt Width IN0.500
Belt Width MM15.9
Bore Dia. IN.67
DescriptionIdler pulley
I.D. MM17
Meets / Exceeds OEM?Yes
Mount Hole Qty1
Mounting Hardware?Not included
O.D. MM63.500
Pulley TypeIdler pulley
Pulley Width IN0.71
Pulley Width MM18
StyleIdler pulley
TypePulley

This part fits 170 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2023FordMustang2.3LL4N/APulley
2022FordMustang2.3LL4N/APulley
2021FordMustang2.3LL4N/APulley
2020FordFusion2.0LL4N/APulley
2020FordMustang2.3LL4N/APulley
2020LincolnMKZ2.0LL4N/APulley
2019FordEscape2.5LL4N/APulley
2019FordExplorer2.3LL4N/APulley
2019FordFusion2.0LL4N/APulley
2019FordMustang2.3LL4N/APulley
2019LincolnMKCN/APulley
2019LincolnMKZ2.0LL4N/APulley
2018FordEdge2.0LL4N/APulley
2018FordEscape2.0LL4N/APulley
2018FordExplorer2.3LL4N/APulley
2018FordFocus2.3LL4N/APulley
2018FordFusion2.0LL4N/APulley
2018FordMustang2.3LL4N/APulley
2018FordTransit ConnectN/APulley
2018LincolnMKCN/APulley
2018LincolnMKZ2.0LL4N/APulley
2017FordEdge2.0LL4N/APulley
2017FordEscape2.5LL4N/APulley
2017FordEscape2.0LL4N/APulley
2017FordExplorer2.3LL4N/APulley
2017FordFocus2.0LL4N/APulley
2017FordFocus2.3LL4N/APulley
2017FordFusion2.5LL4N/APulley
2017FordFusion2.0LL4N/APulley
2017FordMustang2.3LL4N/APulley
2017FordTaurus2.0LL4N/APulley
2017FordTransit ConnectN/APulley
2017LincolnMKCN/APulley
2017LincolnMKZ2.0LL4N/APulley
2016FordEdge2.0LL4N/APulley
2016FordEscape2.5LL4N/APulley
2016FordEscape2.0LL4N/APulley
2016FordExplorer2.3LL4N/APulley
2016FordFocus2.0LL4N/APulley
2016FordFocus2.3LL4N/APulley
2016FordFusion2.5LL4N/APulley
2016FordFusion2.0LL4N/APulley
2016FordMustang2.3LL4N/APulley
2016FordTaurus2.0LL4N/APulley
2016FordTransit Connect2.5LL4N/APulley
2016LincolnMKCN/APulley
2016LincolnMKT2.0LL4N/APulley
2016LincolnMKZ2.0LL4N/APulley
2015FordEdge2.0LL4N/APulley
2015FordEscape2.5LL4N/APulley
2015FordEscape2.0LL4N/APulley
2015FordExplorer2.0LL4N/APulley
2015FordFocus2.0LL4N/APulley
2015FordFusion2.5LL4N/APulley
2015FordFusion2.0LL4N/APulley
2015FordMustang2.3LL4N/APulley
2015FordTaurus2.0LL4N/APulley
2015FordTransit Connect2.5LL4N/APulley
2015LincolnMKCN/APulley
2015LincolnMKT2.0LL4N/APulley
2015LincolnMKZ2.0LL4N/APulley
2014FordEscape2.5LL4N/APulley
2014FordEscape2.0LL4N/APulley
2014FordExplorer2.0LL4N/APulley
2014FordFocus2.0LL4N/APulley
2014FordFusion2.5LL4N/APulley
2014FordFusion2.0LL4N/APulley
2014FordTaurus2.0LL4N/APulley
2014FordTransit Connect2.5LL4N/APulley
2014LincolnMKT2.0LL4N/APulley
2014LincolnMKZ2.0LL4N/APulley
2013ChevroletCorvette7.0LV8Air ConditioningPulley
2013ChevroletCorvette6.2LV8Air ConditioningPulley
2013FordEscape2.5LL4N/APulley
2013FordEscape2.0LL4N/APulley
2013FordExplorer2.0LL4N/APulley
2013FordFocus2.0LL4N/APulley
2013FordFusion2.5LL4N/APulley
2013FordFusion2.0LL4N/APulley
2013FordTaurus2.0LL4N/APulley
2013LincolnMKT2.0LL4N/APulley
2013LincolnMKZ2.0LL4N/APulley
2012ChevroletCorvette6.2LV8Air ConditioningPulley
2011ChevroletCorvette6.2LV8Air ConditioningPulley
2010ChevroletCorvette6.2LV8Air ConditioningPulley
2010ChevroletCorvette7.0LV8Air ConditioningPulley
2010SaturnSkyPower SteeringPulley
2009ChevroletCorvette6.2LV8Air ConditioningPulley
2009ChevroletCorvette7.0LV8Air ConditioningPulley
2009PontiacG86.0LV8Air ConditioningPulley
2009PontiacG86.2LV8Air ConditioningPulley
2009PontiacSolsticePower SteeringPulley
2009SaturnSkyPower SteeringPulley
2008ChevroletCorvetteAir ConditioningPulley
2008PontiacG86.0LV8Air ConditioningPulley
2008PontiacSolstice2.4LL4Power SteeringPulley
2008SaturnSkyPower SteeringPulley
2007CadillacCTS6.0LV8Air ConditioningPulley
2007ChevroletCorvetteAir ConditioningPulley
2007ChevroletSilverado 2500 HD Classic8.1LV8Air ConditioningPulley
2007ChevroletSilverado 3500 Classic8.1LV8Air ConditioningPulley
2007GMCSierra 2500 HD Classic8.1LV8Air ConditioningPulley
2007GMCSierra 3500 Classic8.1LV8Air ConditioningPulley
2007PontiacSolstice2.4LL4Power SteeringPulley
2007SaturnSkyPower SteeringPulley
2006CadillacCTS6.0LV8Air ConditioningPulley
2006ChevroletAvalanche 2500Air ConditioningPulley
2006ChevroletCorvetteAir ConditioningPulley
2006ChevroletSilverado 2500 HD8.1LV8Air ConditioningPulley
2006ChevroletSilverado 35008.1LV8Air ConditioningPulley
2006ChevroletSuburban 25008.1LV8Air ConditioningPulley
2006GMCSierra 2500 HD8.1LV8Air ConditioningPulley
2006GMCSierra 35008.1LV8Air ConditioningPulley
2006GMCYukon XL 25008.1LV8Air ConditioningPulley
2006PontiacGTOAir ConditioningPulley
2006PontiacSolsticePower SteeringPulley
2005ChevroletAvalanche 2500Air ConditioningPulley
2005ChevroletSilverado 2500 HD8.1LV8Air ConditioningPulley
2005ChevroletSilverado 35008.1LV8Air ConditioningPulley
2005ChevroletSuburban 25008.1LV8Air ConditioningPulley
2005GMCSierra 2500 HD8.1LV8Air ConditioningPulley
2005GMCSierra 35008.1LV8Air ConditioningPulley
2005GMCYukon XL 25008.1LV8Air ConditioningPulley
2005PontiacGTOAir ConditioningPulley
2004ChevroletAvalanche 2500Air ConditioningPulley
2004ChevroletCorvetteAir ConditioningPulley
2004ChevroletSilverado 2500 HD8.1LV8Air ConditioningPulley
2004ChevroletSilverado 35008.1LV8Air ConditioningPulley
2004ChevroletSuburban 25008.1LV8Air ConditioningPulley
2004GMCSierra 2500 HD8.1LV8Air ConditioningPulley
2004GMCSierra 35008.1LV8Air ConditioningPulley
2004GMCYukon XL 25008.1LV8Air ConditioningPulley
2004PontiacGTOAir ConditioningPulley
2003ChevroletAvalanche 2500Air ConditioningPulley
2003ChevroletCorvetteAir ConditioningPulley
2003ChevroletSilverado 2500 HD8.1LV8Air ConditioningPulley
2003ChevroletSilverado 35008.1LV8Air ConditioningPulley
2003ChevroletSuburban 25008.1LV8Air ConditioningPulley
2003GMCSierra 2500 HD8.1LV8Air ConditioningPulley
2003GMCSierra 35008.1LV8Air ConditioningPulley
2003GMCYukon XL 25008.1LV8Air ConditioningPulley
2002ChevroletAvalanche 2500Air ConditioningPulley
2002ChevroletCamaro5.7LV8Air ConditioningPulley
2002ChevroletCorvetteAir ConditioningPulley
2002ChevroletSilverado 2500 HD8.1LV8Air ConditioningPulley
2002ChevroletSilverado 35008.1LV8Air ConditioningPulley
2002ChevroletSuburban 25008.1LV8Air ConditioningPulley
2002GMCSierra 2500 HD8.1LV8Air ConditioningPulley
2002GMCSierra 35008.1LV8Air ConditioningPulley
2002GMCYukon XL 25008.1LV8Air ConditioningPulley
2002PontiacFirebird5.7LV8Air ConditioningPulley
2001ChevroletCamaro5.7LV8Air ConditioningPulley
2001ChevroletCorvetteAir ConditioningPulley
2001ChevroletSilverado 2500 HD8.1LV8Air ConditioningPulley
2001ChevroletSilverado 35008.1LV8Air ConditioningPulley
2001ChevroletSuburban 25008.1LV8Air ConditioningPulley
2001GMCSierra 2500 HD8.1LV8Air ConditioningPulley
2001GMCSierra 35008.1LV8Air ConditioningPulley
2001GMCYukon XL 25008.1LV8Air ConditioningPulley
2001PontiacFirebird5.7LV8Air ConditioningPulley
2000ChevroletCamaro5.7LV8Air ConditioningPulley
2000ChevroletCorvetteAir ConditioningPulley
2000PontiacFirebird5.7LV8Air ConditioningPulley
1999ChevroletCamaro5.7LV8Air ConditioningPulley
1999ChevroletCorvetteAir ConditioningPulley
1999PontiacFirebird5.7LV8Air ConditioningPulley
1998ChevroletCamaro5.7LV8Air ConditioningPulley
1998ChevroletCorvetteAir ConditioningPulley
1998PontiacFirebird5.7LV8Air ConditioningPulley
1997ChevroletCorvetteAir ConditioningPulley

* 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:

1255733412585551258507362204196954508449159508483594789135A79792CV6Z8678ADS7Z8678A

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