HomeBelts and Cooling > Accessory Drive Belt System ComponentsHayden 5916 Accessory Drive Belt Idler Pulley
Part #: 5916

Hayden 5916 Accessory Drive Belt Idler Pulley

Pulley
⚙️ 24 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Pulley
🚗Fitment: INFINITI and Nissan, FX35, M35, G35, 350Z, Pathfinder, and QX4
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Overview of Hayden Pulley Accessory Drive Belt Idler Pulley

The Hayden Pulley 5916 is a steel accessory drive belt idler pulley designed for select Infiniti and Nissan vehicles. Engineered to meet or exceed OEM specifications, this idler pulley supports the serpentine belt system, ensuring smooth operation and reliable performance for models like the Infiniti G35 and Nissan Pathfinder.

  • Constructed from durable steel with a black finish
  • Compatible with serpentine belt systems featuring a belt width of 0.9375 inches (22.225 mm)
  • Outside diameter measures 3.3125 inches (84.138 mm)
  • Inside diameter of 0.46875 inches (11.906 mm) with a smooth groove design
  • Single mount hole for secure installation (mounting hardware not included)
  • Designed as a back idler pulley with a width of 1 inch (25.4 mm)
  • Meets or exceeds OEM quality standards

Detailed Product Description

The Hayden Pulley 5916 is specifically engineered as an accessory drive belt idler pulley for serpentine belt systems. Made from steel, this pulley offers strength and durability necessary for maintaining proper belt tension and alignment. Its smooth groove design accommodates serpentine belts with a width of approximately 0.9375 inches (22.225 mm), making it suitable for various Infiniti and Nissan models including the 350Z, FX35, G35, M35, Pathfinder, and QX4. The pulley’s outside diameter of 3.3125 inches (84.138 mm) and inside diameter of 0.46875 inches (11.906 mm) ensure precise fitment and reliable operation within the accessory drive system.

About the Hayden Pulley Product Line

The Hayden Pulley product line focuses on providing high-quality pulley components designed to maintain and restore the accessory drive belt system’s functionality. This line includes idler pulleys like part number 5916, which are manufactured to meet or exceed OEM standards, ensuring compatibility and durability for specific vehicle applications. The Pulley line supports proper belt routing and tension, critical for the performance of engine accessories in Infiniti and Nissan vehicles.

Common Applications and Issues Addressed

  • Replacement of worn or damaged idler pulleys in Infiniti G35 and Nissan Pathfinder serpentine belt systems
  • Resolving belt misalignment or slipping caused by pulley wear
  • Eliminating noise or squealing from failing accessory drive components
  • Maintaining proper belt tension to prevent premature belt or accessory failure
  • Supporting smooth operation of engine accessories such as alternators and power steering pumps

Installation Notes and Tips

  • Verify compatibility with your specific Infiniti or Nissan model before installation
  • Ensure the serpentine belt width matches the pulley specifications (0.9375 inches / 22.225 mm)
  • Use appropriate tools to remove the old pulley and install the new one securely
  • Mounting hardware is not included; reuse existing hardware or obtain OEM replacements as needed
  • Inspect the serpentine belt and other drive components during installation for wear or damage

Quality Assurance and Warranty

The Hayden Pulley 5916 idler pulley is manufactured to meet or exceed OEM quality standards, providing reliable performance for Infiniti and Nissan accessory drive systems. While specific warranty details are not provided, Hayden products typically adhere to industry quality controls to ensure durability and fitment accuracy. Always consult product documentation or the manufacturer for warranty information.

BrandHayden
Part Number5916
PositionPulley
Belt TypeSerpentine
Belt Width IN0.9375
Belt Width MM22.225
Bore Dia. IN.47
ColorBlack
DescriptionIdler Pulley
Groove QuantitySmooth
I.D. MM11.906
Inside Diameter0.46875
MaterialSteel
Meets / Exceeds OEM?Yes
Mount Hole Qty1
Mounting Hardware?Not Included
O.D. MM84.138
Outside Diameter3.3125
Pulley TypeBack Idler
Pulley Width IN1
Pulley Width MM25.4
StyleIdler Pulley
TypePulley
Width25.4

This part fits 24 vehicles. Search below:

YearMakeModelPositionNotes
2008INFINITIFX35N/APulley
2008INFINITIM35N/APulley
2007INFINITIFX35N/APulley
2007INFINITIG35N/APulley
2007INFINITIM35N/APulley
2006INFINITIFX35N/APulley
2006INFINITIG35N/APulley
2006INFINITIM35N/APulley
2006Nissan350ZN/APulley
2005INFINITIFX35N/APulley
2005INFINITIG35N/APulley
2005Nissan350ZN/APulley
2004INFINITIFX35N/APulley
2004INFINITIG35N/APulley
2004Nissan350ZN/APulley
2004NissanPathfinderN/APulley
2003INFINITIFX35N/APulley
2003INFINITIG35N/APulley
2003INFINITIQX4N/APulley
2003Nissan350ZN/APulley
2003NissanPathfinderN/APulley
2002INFINITIQX4N/APulley
2002NissanPathfinderN/APulley
2001NissanPathfinderN/APulley

* 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:

11927AG30011927AG30A3632141970845916591683591689156A79781

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