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Four Seasons 45084 Accessory Drive Belt Tensioner Pulley - Air Conditioning or Power Steering
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.
| Brand | Four Seasons |
| Part Number | 45084 |
| Position | Pulley, Air Conditioning and Power Steering |
| Material | Steel |
| Color | Black |
| Inside Diameter | 0.671875 |
| Groove Quantity | Smooth |
| Width | 17.5 |
| Outside Diameter | 2.48 |
| Belt Type | Serpentine |
| Belt Width IN | 0.500 |
| Belt Width MM | 15.9 |
| Bore Dia. IN | .67 |
| Description | Idler pulley |
| I.D. MM | 17 |
| Meets / Exceeds OEM? | Yes |
| Mount Hole Qty | 1 |
| Mounting Hardware? | Not included |
| O.D. MM | 63.500 |
| Pulley Type | Idler pulley |
| Pulley Width IN | 0.71 |
| Pulley Width MM | 18 |
| Style | Idler pulley |
| Type | Pulley |
This part fits 170 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2023 | Ford | Mustang | 2.3L | L4 | N/A | Pulley |
| 2022 | Ford | Mustang | 2.3L | L4 | N/A | Pulley |
| 2021 | Ford | Mustang | 2.3L | L4 | N/A | Pulley |
| 2020 | Ford | Fusion | 2.0L | L4 | N/A | Pulley |
| 2020 | Ford | Mustang | 2.3L | L4 | N/A | Pulley |
| 2020 | Lincoln | MKZ | 2.0L | L4 | N/A | Pulley |
| 2019 | Ford | Escape | 2.5L | L4 | N/A | Pulley |
| 2019 | Ford | Explorer | 2.3L | L4 | N/A | Pulley |
| 2019 | Ford | Fusion | 2.0L | L4 | N/A | Pulley |
| 2019 | Ford | Mustang | 2.3L | L4 | N/A | Pulley |
| 2019 | Lincoln | MKC | N/A | Pulley | ||
| 2019 | Lincoln | MKZ | 2.0L | L4 | N/A | Pulley |
| 2018 | Ford | Edge | 2.0L | L4 | N/A | Pulley |
| 2018 | Ford | Escape | 2.0L | L4 | N/A | Pulley |
| 2018 | Ford | Explorer | 2.3L | L4 | N/A | Pulley |
| 2018 | Ford | Focus | 2.3L | L4 | N/A | Pulley |
| 2018 | Ford | Fusion | 2.0L | L4 | N/A | Pulley |
| 2018 | Ford | Mustang | 2.3L | L4 | N/A | Pulley |
| 2018 | Ford | Transit Connect | N/A | Pulley | ||
| 2018 | Lincoln | MKC | N/A | Pulley | ||
| 2018 | Lincoln | MKZ | 2.0L | L4 | N/A | Pulley |
| 2017 | Ford | Edge | 2.0L | L4 | N/A | Pulley |
| 2017 | Ford | Escape | 2.5L | L4 | N/A | Pulley |
| 2017 | Ford | Escape | 2.0L | L4 | N/A | Pulley |
| 2017 | Ford | Explorer | 2.3L | L4 | N/A | Pulley |
| 2017 | Ford | Focus | 2.0L | L4 | N/A | Pulley |
| 2017 | Ford | Focus | 2.3L | L4 | N/A | Pulley |
| 2017 | Ford | Fusion | 2.5L | L4 | N/A | Pulley |
| 2017 | Ford | Fusion | 2.0L | L4 | N/A | Pulley |
| 2017 | Ford | Mustang | 2.3L | L4 | N/A | Pulley |
| 2017 | Ford | Taurus | 2.0L | L4 | N/A | Pulley |
| 2017 | Ford | Transit Connect | N/A | Pulley | ||
| 2017 | Lincoln | MKC | N/A | Pulley | ||
| 2017 | Lincoln | MKZ | 2.0L | L4 | N/A | Pulley |
| 2016 | Ford | Edge | 2.0L | L4 | N/A | Pulley |
| 2016 | Ford | Escape | 2.5L | L4 | N/A | Pulley |
| 2016 | Ford | Escape | 2.0L | L4 | N/A | Pulley |
| 2016 | Ford | Explorer | 2.3L | L4 | N/A | Pulley |
| 2016 | Ford | Focus | 2.0L | L4 | N/A | Pulley |
| 2016 | Ford | Focus | 2.3L | L4 | N/A | Pulley |
| 2016 | Ford | Fusion | 2.5L | L4 | N/A | Pulley |
| 2016 | Ford | Fusion | 2.0L | L4 | N/A | Pulley |
| 2016 | Ford | Mustang | 2.3L | L4 | N/A | Pulley |
| 2016 | Ford | Taurus | 2.0L | L4 | N/A | Pulley |
| 2016 | Ford | Transit Connect | 2.5L | L4 | N/A | Pulley |
| 2016 | Lincoln | MKC | N/A | Pulley | ||
| 2016 | Lincoln | MKT | 2.0L | L4 | N/A | Pulley |
| 2016 | Lincoln | MKZ | 2.0L | L4 | N/A | Pulley |
| 2015 | Ford | Edge | 2.0L | L4 | N/A | Pulley |
| 2015 | Ford | Escape | 2.5L | L4 | N/A | Pulley |
| 2015 | Ford | Escape | 2.0L | L4 | N/A | Pulley |
| 2015 | Ford | Explorer | 2.0L | L4 | N/A | Pulley |
| 2015 | Ford | Focus | 2.0L | L4 | N/A | Pulley |
| 2015 | Ford | Fusion | 2.5L | L4 | N/A | Pulley |
| 2015 | Ford | Fusion | 2.0L | L4 | N/A | Pulley |
| 2015 | Ford | Mustang | 2.3L | L4 | N/A | Pulley |
| 2015 | Ford | Taurus | 2.0L | L4 | N/A | Pulley |
| 2015 | Ford | Transit Connect | 2.5L | L4 | N/A | Pulley |
| 2015 | Lincoln | MKC | N/A | Pulley | ||
| 2015 | Lincoln | MKT | 2.0L | L4 | N/A | Pulley |
| 2015 | Lincoln | MKZ | 2.0L | L4 | N/A | Pulley |
| 2014 | Ford | Escape | 2.5L | L4 | N/A | Pulley |
| 2014 | Ford | Escape | 2.0L | L4 | N/A | Pulley |
| 2014 | Ford | Explorer | 2.0L | L4 | N/A | Pulley |
| 2014 | Ford | Focus | 2.0L | L4 | N/A | Pulley |
| 2014 | Ford | Fusion | 2.5L | L4 | N/A | Pulley |
| 2014 | Ford | Fusion | 2.0L | L4 | N/A | Pulley |
| 2014 | Ford | Taurus | 2.0L | L4 | N/A | Pulley |
| 2014 | Ford | Transit Connect | 2.5L | L4 | N/A | Pulley |
| 2014 | Lincoln | MKT | 2.0L | L4 | N/A | Pulley |
| 2014 | Lincoln | MKZ | 2.0L | L4 | N/A | Pulley |
| 2013 | Chevrolet | Corvette | 7.0L | V8 | Air Conditioning | Pulley |
| 2013 | Chevrolet | Corvette | 6.2L | V8 | Air Conditioning | Pulley |
| 2013 | Ford | Escape | 2.5L | L4 | N/A | Pulley |
| 2013 | Ford | Escape | 2.0L | L4 | N/A | Pulley |
| 2013 | Ford | Explorer | 2.0L | L4 | N/A | Pulley |
| 2013 | Ford | Focus | 2.0L | L4 | N/A | Pulley |
| 2013 | Ford | Fusion | 2.5L | L4 | N/A | Pulley |
| 2013 | Ford | Fusion | 2.0L | L4 | N/A | Pulley |
| 2013 | Ford | Taurus | 2.0L | L4 | N/A | Pulley |
| 2013 | Lincoln | MKT | 2.0L | L4 | N/A | Pulley |
| 2013 | Lincoln | MKZ | 2.0L | L4 | N/A | Pulley |
| 2012 | Chevrolet | Corvette | 6.2L | V8 | Air Conditioning | Pulley |
| 2011 | Chevrolet | Corvette | 6.2L | V8 | Air Conditioning | Pulley |
| 2010 | Chevrolet | Corvette | 6.2L | V8 | Air Conditioning | Pulley |
| 2010 | Chevrolet | Corvette | 7.0L | V8 | Air Conditioning | Pulley |
| 2010 | Saturn | Sky | Power Steering | Pulley | ||
| 2009 | Chevrolet | Corvette | 6.2L | V8 | Air Conditioning | Pulley |
| 2009 | Chevrolet | Corvette | 7.0L | V8 | Air Conditioning | Pulley |
| 2009 | Pontiac | G8 | 6.0L | V8 | Air Conditioning | Pulley |
| 2009 | Pontiac | G8 | 6.2L | V8 | Air Conditioning | Pulley |
| 2009 | Pontiac | Solstice | Power Steering | Pulley | ||
| 2009 | Saturn | Sky | Power Steering | Pulley | ||
| 2008 | Chevrolet | Corvette | Air Conditioning | Pulley | ||
| 2008 | Pontiac | G8 | 6.0L | V8 | Air Conditioning | Pulley |
| 2008 | Pontiac | Solstice | 2.4L | L4 | Power Steering | Pulley |
| 2008 | Saturn | Sky | Power Steering | Pulley | ||
| 2007 | Cadillac | CTS | 6.0L | V8 | Air Conditioning | Pulley |
| 2007 | Chevrolet | Corvette | Air Conditioning | Pulley | ||
| 2007 | Chevrolet | Silverado 2500 HD Classic | 8.1L | V8 | Air Conditioning | Pulley |
| 2007 | Chevrolet | Silverado 3500 Classic | 8.1L | V8 | Air Conditioning | Pulley |
| 2007 | GMC | Sierra 2500 HD Classic | 8.1L | V8 | Air Conditioning | Pulley |
| 2007 | GMC | Sierra 3500 Classic | 8.1L | V8 | Air Conditioning | Pulley |
| 2007 | Pontiac | Solstice | 2.4L | L4 | Power Steering | Pulley |
| 2007 | Saturn | Sky | Power Steering | Pulley | ||
| 2006 | Cadillac | CTS | 6.0L | V8 | Air Conditioning | Pulley |
| 2006 | Chevrolet | Avalanche 2500 | Air Conditioning | Pulley | ||
| 2006 | Chevrolet | Corvette | Air Conditioning | Pulley | ||
| 2006 | Chevrolet | Silverado 2500 HD | 8.1L | V8 | Air Conditioning | Pulley |
| 2006 | Chevrolet | Silverado 3500 | 8.1L | V8 | Air Conditioning | Pulley |
| 2006 | Chevrolet | Suburban 2500 | 8.1L | V8 | Air Conditioning | Pulley |
| 2006 | GMC | Sierra 2500 HD | 8.1L | V8 | Air Conditioning | Pulley |
| 2006 | GMC | Sierra 3500 | 8.1L | V8 | Air Conditioning | Pulley |
| 2006 | GMC | Yukon XL 2500 | 8.1L | V8 | Air Conditioning | Pulley |
| 2006 | Pontiac | GTO | Air Conditioning | Pulley | ||
| 2006 | Pontiac | Solstice | Power Steering | Pulley | ||
| 2005 | Chevrolet | Avalanche 2500 | Air Conditioning | Pulley | ||
| 2005 | Chevrolet | Silverado 2500 HD | 8.1L | V8 | Air Conditioning | Pulley |
| 2005 | Chevrolet | Silverado 3500 | 8.1L | V8 | Air Conditioning | Pulley |
| 2005 | Chevrolet | Suburban 2500 | 8.1L | V8 | Air Conditioning | Pulley |
| 2005 | GMC | Sierra 2500 HD | 8.1L | V8 | Air Conditioning | Pulley |
| 2005 | GMC | Sierra 3500 | 8.1L | V8 | Air Conditioning | Pulley |
| 2005 | GMC | Yukon XL 2500 | 8.1L | V8 | Air Conditioning | Pulley |
| 2005 | Pontiac | GTO | Air Conditioning | Pulley | ||
| 2004 | Chevrolet | Avalanche 2500 | Air Conditioning | Pulley | ||
| 2004 | Chevrolet | Corvette | Air Conditioning | Pulley | ||
| 2004 | Chevrolet | Silverado 2500 HD | 8.1L | V8 | Air Conditioning | Pulley |
| 2004 | Chevrolet | Silverado 3500 | 8.1L | V8 | Air Conditioning | Pulley |
| 2004 | Chevrolet | Suburban 2500 | 8.1L | V8 | Air Conditioning | Pulley |
| 2004 | GMC | Sierra 2500 HD | 8.1L | V8 | Air Conditioning | Pulley |
| 2004 | GMC | Sierra 3500 | 8.1L | V8 | Air Conditioning | Pulley |
| 2004 | GMC | Yukon XL 2500 | 8.1L | V8 | Air Conditioning | Pulley |
| 2004 | Pontiac | GTO | Air Conditioning | Pulley | ||
| 2003 | Chevrolet | Avalanche 2500 | Air Conditioning | Pulley | ||
| 2003 | Chevrolet | Corvette | Air Conditioning | Pulley | ||
| 2003 | Chevrolet | Silverado 2500 HD | 8.1L | V8 | Air Conditioning | Pulley |
| 2003 | Chevrolet | Silverado 3500 | 8.1L | V8 | Air Conditioning | Pulley |
| 2003 | Chevrolet | Suburban 2500 | 8.1L | V8 | Air Conditioning | Pulley |
| 2003 | GMC | Sierra 2500 HD | 8.1L | V8 | Air Conditioning | Pulley |
| 2003 | GMC | Sierra 3500 | 8.1L | V8 | Air Conditioning | Pulley |
| 2003 | GMC | Yukon XL 2500 | 8.1L | V8 | Air Conditioning | Pulley |
| 2002 | Chevrolet | Avalanche 2500 | Air Conditioning | Pulley | ||
| 2002 | Chevrolet | Camaro | 5.7L | V8 | Air Conditioning | Pulley |
| 2002 | Chevrolet | Corvette | Air Conditioning | Pulley | ||
| 2002 | Chevrolet | Silverado 2500 HD | 8.1L | V8 | Air Conditioning | Pulley |
| 2002 | Chevrolet | Silverado 3500 | 8.1L | V8 | Air Conditioning | Pulley |
| 2002 | Chevrolet | Suburban 2500 | 8.1L | V8 | Air Conditioning | Pulley |
| 2002 | GMC | Sierra 2500 HD | 8.1L | V8 | Air Conditioning | Pulley |
| 2002 | GMC | Sierra 3500 | 8.1L | V8 | Air Conditioning | Pulley |
| 2002 | GMC | Yukon XL 2500 | 8.1L | V8 | Air Conditioning | Pulley |
| 2002 | Pontiac | Firebird | 5.7L | V8 | Air Conditioning | Pulley |
| 2001 | Chevrolet | Camaro | 5.7L | V8 | Air Conditioning | Pulley |
| 2001 | Chevrolet | Corvette | Air Conditioning | Pulley | ||
| 2001 | Chevrolet | Silverado 2500 HD | 8.1L | V8 | Air Conditioning | Pulley |
| 2001 | Chevrolet | Silverado 3500 | 8.1L | V8 | Air Conditioning | Pulley |
| 2001 | Chevrolet | Suburban 2500 | 8.1L | V8 | Air Conditioning | Pulley |
| 2001 | GMC | Sierra 2500 HD | 8.1L | V8 | Air Conditioning | Pulley |
| 2001 | GMC | Sierra 3500 | 8.1L | V8 | Air Conditioning | Pulley |
| 2001 | GMC | Yukon XL 2500 | 8.1L | V8 | Air Conditioning | Pulley |
| 2001 | Pontiac | Firebird | 5.7L | V8 | Air Conditioning | Pulley |
| 2000 | Chevrolet | Camaro | 5.7L | V8 | Air Conditioning | Pulley |
| 2000 | Chevrolet | Corvette | Air Conditioning | Pulley | ||
| 2000 | Pontiac | Firebird | 5.7L | V8 | Air Conditioning | Pulley |
| 1999 | Chevrolet | Camaro | 5.7L | V8 | Air Conditioning | Pulley |
| 1999 | Chevrolet | Corvette | Air Conditioning | Pulley | ||
| 1999 | Pontiac | Firebird | 5.7L | V8 | Air Conditioning | Pulley |
| 1998 | Chevrolet | Camaro | 5.7L | V8 | Air Conditioning | Pulley |
| 1998 | Chevrolet | Corvette | Air Conditioning | Pulley | ||
| 1998 | Pontiac | Firebird | 5.7L | V8 | Air Conditioning | Pulley |
| 1997 | Chevrolet | Corvette | Air Conditioning | Pulley |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.