Hayden 5033 Accessory Drive Belt Idler Pulley

Hayden 5033 Accessory Drive Belt Idler Pulley

The Hayden 5033 accessory drive belt idler pulley is a direct-fit replacement for serpentine belt systems that need stable belt routing and smooth rotation. Built with a black plastic pulley body and smooth groove design, it meets or exceeds OEM requirements for the listed applications.

Compatible with Volvo 850, C70, S70, V70, V90, and S90 applications, this Hayden pulley is sized for a 1.000 in. serpentine belt and features a 3.500 in. outside diameter. The Hayden Pulley line focuses on OE-style belt drive service parts for accessory drive systems.

Key Features

• Accessory drive belt idler pulley for serpentine belt systems
• Black plastic construction with smooth groove surface
• 3.500 in. outside diameter and 1.062 in. pulley width
• 1.06 in. inside diameter and 0.668 in. bore diameter
• Single mount hole design; mounting hardware not included
• Meets or exceeds OEM specifications
• Cross-reference: Dayco 89162

Detailed Description

Hayden 5033 is an idler / tensioner pulley used in accessory drive belt systems to maintain proper belt path and consistent belt tracking. Its smooth, back-idler style construction is intended for serpentine belt routing, with dimensions that match the listed Volvo applications. This part number is also referenced by DENSO Auto Parts 5033 for the same application. Use Hayden 5033 when servicing belt drive components on 1994-1998 Volvo models, including 1994-1997 Volvo 850, 1997 Volvo S90, and 1998 Volvo C70, S70, V70, and V90.

What It Helps Address

• Belt noise caused by a worn or rough idler pulley
• Serpentine belt tracking issues from pulley wear
• Accessory drive vibration related to pulley surface damage
• Uneven belt routing from a failing back idler pulley
• Service replacement for worn pulley bearings or pulley face wear

Installation Notes and Tips

Verify pulley dimensions, belt width, and mounting style before installation. This pulley uses one mount hole and does not include mounting hardware. Inspect the serpentine belt, tensioner, and adjacent accessory drive components during service to confirm the repair addresses the full belt path.

Quality Assurance

Hayden 5033 is built to meet or exceed OEM specifications for the listed fitments, supporting dependable accessory drive service on Volvo 850, C70, S70, V70, V90, and S90 applications.