Hayden 5936 Accessory Drive Belt Idler Pulley

Accessory Drive Belt Idler Pulley for Subaru and Kia

Hayden 5936 is an accessory drive belt idler pulley built for OE-style replacement on select Subaru, Kia, Hyundai, and Suzuki applications. It uses a steel construction with a black finish and a smooth back-idler design to support proper belt routing in the accessory drive system.

Compatible With 2015-2017 Subaru WRX, 2015-2017 Subaru WRX STI, 2013-2016 Subaru BRZ, 2011-2016 Subaru Forester, 2012-2016 Subaru Impreza, 2013-2016 Subaru XV, 2013-2015 Subaru XV Crosstrek, 2007-2010 Kia Magentis, 2006-2010 Kia Optima, 2007-2010 Kia Rondo, 2009-2010 Suzuki Grand Vitara, and 2007-2009 Hyundai Santa Fe.

Key Features

• Hayden Pulley line accessory drive belt idler pulley
• Steel pulley body with black finish
• Smooth back-idler pulley type for accessory belt routing
• Outside diameter: 3.250 in. (82.550 mm)
• Inside diameter / bore: 0.6692893 in. (17 mm)
• Pulley width: 1.130 in. (29 mm)
• Belt width: 1.125 in. (28.575 mm)
• Meets or exceeds OEM specifications
• Single mounting hole design
• Mounting hardware not included

Product Details

The Hayden 5936 idler / tensioner pulley is designed for accessory drive belt systems that use a smooth back-idler layout. Its steel construction helps maintain pulley stability under belt load, while the 17 mm bore and 82.550 mm outside diameter match the listed OE-style dimensions for the applications shown. This part cross-references Dayco 89505 for the same application.

Use Hayden 5936 when replacing a worn or noisy accessory drive belt idler pulley on Subaru WRX, WRX STI, BRZ, Forester, Impreza, XV, and XV Crosstrek models, as well as select Kia, Hyundai, and Suzuki vehicles. The Hayden Pulley line focuses on direct-fit pulley components for belt system service, and this part is listed as meeting or exceeding OEM requirements.

Common Problems This Part Can Address

• Belt squeal caused by a worn pulley surface
• Accessory belt tracking issues from pulley wear
• Noise from a rough or failing idler bearing assembly
• Improper belt routing in the accessory drive system
• Visible pulley wear, wobble, or surface damage

Installation Notes

Inspect the accessory belt, tensioner, and adjacent pulleys before installation. Confirm the pulley dimensions, bore size, and belt width match the vehicle application before service. Mounting hardware is not included, so reuse or source the correct fastener as needed for the vehicle.

For best results, verify belt condition and alignment after installation and check for abnormal noise during engine operation. Fits 2015-2017 Subaru WRX, N/A; Fits 2015-2017 Subaru WRX STI, N/A; Fits 2013-2016 Subaru BRZ, N/A; Fits 2011-2016 Subaru Forester, N/A; Fits 2012-2016 Subaru Impreza, N/A; Fits 2013-2016 Subaru XV, N/A; Fits 2013-2015 Subaru XV Crosstrek, N/A; Fits 2007-2010 Kia Magentis, N/A; Fits 2006-2010 Kia Optima, N/A; Fits 2007-2010 Kia Rondo, N/A; Fits 2009-2010 Suzuki Grand Vitara, N/A; Fits 2007-2009 Hyundai Santa Fe, N/A.

Quality Assurance

Hayden lists this pulley as meeting or exceeding OEM specifications for the stated applications. Part number 5936 is also referenced by Genuine 252863E001 and Four Seasons 36732, 45936 for the same application family.