HomeBelts and Cooling > Accessory Drive Belt System ComponentsHayden 5072 Accessory Drive Belt Idler Pulley - Accessory Drive, Main Drive or Serpentine
Part #: 5072

Hayden 5072 Accessory Drive Belt Idler Pulley - Accessory Drive, Main Drive or Serpentine

Pulley, Accessory Drive, Main Drive, and Serpentine
⚙️ 76 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Pulley, Accessory Drive, Main Drive, and Serpentine
🚗Fitment: Buick, Cadillac, Chevrolet, Ford, Mazda, Mercury, Oldsmobile, and Pontiac, 6, Aurora, Bonneville, Camaro, DeVille, DTS, Eldorado, Escape, Firebird, Focus, G8, GTO, Intrigue, Lucerne, Mariner, Seville, and Tribute
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Reliable Accessory Drive Belt Idler Pulley for Select Vehicles

The Hayden Pulley 5072 is a steel accessory drive belt idler pulley designed to maintain proper tension and routing of serpentine belts. Engineered for compatibility with various Buick, Cadillac, Chevrolet, Ford, Mazda, Mercury, Oldsmobile, and Pontiac models, this pulley supports efficient engine operation and belt longevity.

  • Constructed from durable steel with a black finish
  • Measures 3.000 inches outside diameter and 0.6875 inches inside diameter
  • Smooth groove design suitable for serpentine belts
  • Width of 30 mm (1.18 inches) for optimal belt alignment
  • Back idler pulley type with a single mounting hole
  • Compatible with belt widths of approximately 1.3125 inches (7.9375 mm)
  • Meets or exceeds OEM specifications for reliable performance

Detailed Product Description and Brand Line Information

The Hayden Pulley 5072 is part of the Pulley brand line, which focuses on accessory drive belt system components engineered for durability and precise fitment. This idler pulley is designed as a back idler type, featuring a smooth surface to accommodate serpentine belts commonly found in many domestic and import vehicles. Its steel construction ensures strength and resistance to wear, while the black finish provides corrosion protection. The pulley’s dimensions, including a 3-inch outside diameter and a 0.6875-inch inside diameter, make it suitable for a range of applications requiring a tensioner or idler pulley.

Compatible Vehicles and Applications

This accessory drive belt idler pulley is compatible with multiple makes and models, including Buick Aurora, Cadillac DeVille, DTS, Eldorado, Seville, Chevrolet Camaro, G8, GTO, Pontiac Firebird, Oldsmobile Intrigue, Ford Escape, Focus, Mercury Mariner, and Mazda Tribute. The part number 5072 ensures precise identification for replacement needs in these vehicles.

  • Maintains proper serpentine belt tension and alignment
  • Prevents belt slippage and premature wear
  • Reduces noise caused by worn or damaged pulleys
  • Supports smooth operation of accessory components
  • Helps avoid engine overheating due to belt failure

Installation Notes and Tips

When installing the Hayden Pulley 5072, verify the pulley dimensions and mounting hole alignment with your vehicle’s specifications. Note that mounting hardware is not included and must be sourced separately. Ensure the serpentine belt width matches the pulley’s 1.3125-inch belt width specification for optimal performance. Proper torque on mounting bolts is essential to prevent pulley misalignment or loosening during operation.

Quality Assurance and Warranty

The Hayden Pulley 5072 meets or exceeds OEM standards, providing reliable performance and durability. Manufactured with high-quality steel and precision engineering, this pulley is designed to withstand the demands of accessory drive systems. Warranty details should be confirmed with the supplier or manufacturer to ensure coverage specifics.

BrandHayden
Part Number5072
PositionPulley, Accessory Drive, Main Drive, and Serpentine
MaterialSteel
ColorBlack
Inside Diameter0.6875
Groove QuantitySmooth
Width30
Outside Diameter3.000
Belt TypeSerpentine
Belt Width IN1.3125
Belt Width MM7.9375
Bore Dia. IN0.668
DescriptionIdler / tensioner pulley
I.D. MM17.463
Meets / Exceeds OEM?Yes
Mount Hole Qty1
Mounting Hardware?Not included
O.D. MM76.200
Pulley TypeBack idler
Pulley Width IN1.18
Pulley Width MM30
StyleIdler / tensioner pulley
TypePulley

This part fits 76 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2011BuickLucerne4.6LV8SerpentinePulley
2011CadillacDTSSerpentinePulley
2011MazdaTribute3.0LV6N/ASmooth Pulley; Pulley
2010BuickLucerne4.6LV8SerpentinePulley
2010CadillacDTSSerpentinePulley
2010MazdaTribute3.0LV6N/ASmooth Pulley; Pulley
2009BuickLucerne4.6LV8SerpentinePulley
2009CadillacDTSSerpentinePulley
2009MazdaTribute3.0LV6N/ASmooth Pulley; Pulley
2009PontiacG86.0LV8Main DrivePulley
2009PontiacG86.2LV8Main DrivePulley
2008BuickLucerne4.6LV8Accessory DrivePulley
2008CadillacDTSSerpentinePulley
2008FordEscape2.3LL4N/APulley
2008Mazda62.3LL4N/APulley
2008MazdaTribute3.0LV6N/ASmooth Pulley; Pulley
2008MercuryMariner2.3LL4N/ASmooth Pulley; Pulley
2008PontiacG86.0LV8N/APulley
2007BuickLucerne4.6LV8Accessory DrivePulley
2007CadillacDTSSerpentinePulley
2007FordEscape2.3LL4N/APulley
2007FordFocus2.3LL4N/ASmooth Pulley; Pulley
2007Mazda62.3LL4N/APulley
2007MercuryMariner2.3LL4N/ASmooth Pulley; Pulley
2006BuickLucerne4.6LV8Accessory DrivePulley
2006CadillacDTSSerpentinePulley
2006FordEscape2.3LL4N/APulley
2006FordFocusN/ASmooth Pulley; Pulley
2006Mazda62.3LL4N/APulley
2006MercuryMariner2.3LL4N/ASmooth Pulley; Pulley
2006PontiacGTOMain DrivePulley
2005CadillacDeVilleAccessory DrivePulley
2005FordEscape2.3LL4N/APulley
2005FordFocus2.0LL4N/ASmooth Pulley; Pulley
2005Mazda62.3LL4N/APulley
2005MercuryMariner2.3LL4N/ASmooth Pulley; Pulley
2005PontiacBonneville4.6LV8SerpentinePulley
2005PontiacGTOMain DrivePulley
2004CadillacDeVilleAccessory DrivePulley
2004CadillacSevilleAccessory DrivePulley
2004FordFocus2.3LL4N/APulley
2004Mazda62.3LL4N/APulley
2004PontiacBonneville4.6LV8SerpentinePulley
2004PontiacGTOMain DrivePulley
2003CadillacDeVilleAccessory DrivePulley
2003CadillacSevilleAccessory DrivePulley
2003FordFocus2.3LL4N/APulley
2003Mazda62.3LL4N/APulley
2003OldsmobileAuroraAccessory DrivePulley
2002CadillacDeVilleAccessory DrivePulley
2002CadillacEldoradoAccessory DrivePulley
2002CadillacSevilleAccessory DrivePulley
2002ChevroletCamaro5.7LV8Main DrivePulley
2002OldsmobileAurora4.0LV8Accessory DrivePulley
2002OldsmobileAurora3.5LV6N/APulley
2002OldsmobileIntrigueN/APulley
2002PontiacFirebird5.7LV8Main DrivePulley
2001CadillacDeVilleAccessory DrivePulley
2001CadillacEldoradoAccessory DrivePulley
2001CadillacSevilleAccessory DrivePulley
2001ChevroletCamaro5.7LV8Main DrivePulley
2001OldsmobileAurora4.0LV8Accessory DrivePulley
2001OldsmobileAurora3.5LV6N/APulley
2001OldsmobileIntrigueN/APulley
2001PontiacFirebird5.7LV8Main DrivePulley
2000CadillacDeVilleAccessory DrivePulley
2000CadillacEldoradoAccessory DrivePulley
2000CadillacSevilleAccessory DrivePulley
2000OldsmobileIntrigueN/APulley
1999CadillacDeVilleAccessory DrivePulley
1999CadillacEldoradoAccessory DrivePulley
1999CadillacSevilleAccessory DrivePulley
1999OldsmobileIntrigue3.5LV6N/APulley
1998CadillacDeVilleAccessory DrivePulley
1998CadillacEldoradoAccessory DrivePulley
1998CadillacSevilleAccessory DrivePulley

* 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:

1255755412563326194182263804145072507283524089159A89361

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