HomeBelts and Cooling > Accessory Drive Belt System ComponentsHayden 5028 Accessory Drive Belt Idler Pulley
Part #: 5028

Hayden 5028 Accessory Drive Belt Idler Pulley

Pulley
⚙️ 27 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Pulley
🚗Fitment: Mercedes-Benz, C320, 420SEL, 560SEC, and 560SEL
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Hayden Pulley Accessory Drive Belt Idler Pulley 5028

The Hayden Pulley 5028 is a steel accessory drive belt idler pulley designed for select Mercedes-Benz models including the 380SE, 380SL, 420SEL, 500SEC, 500SEL, 560SEC, 560SEL, 560SL, and C320. Engineered to meet or exceed OEM specifications, this idler pulley ensures reliable belt tension and smooth operation of the V-belt system.

  • Constructed from durable steel with a black finish
  • Single groove design compatible with V-belts
  • Inside diameter of 0.625 inches (15.875 mm)
  • Outside diameter of 3.750 inches (95.25 mm)
  • Width of 0.5 inches (12.7 mm)
  • Designed as an idler/tensioner pulley
  • Meets or exceeds OEM quality standards
  • Mounting hardware not included

Detailed Product Description and Brand Line Information

The Hayden Pulley product line focuses on precision-engineered pulley components for accessory drive belt systems. The 5028 idler pulley is part of this line, offering a robust steel construction that supports consistent belt tension and alignment. Its single groove design is optimized for V-belt applications, ensuring compatibility with the accessory drive systems found in various Mercedes-Benz vehicles. The pulley’s dimensions, including a 0.625-inch bore and 3.75-inch outside diameter, are tailored to fit specific OEM requirements, providing a direct replacement option for maintenance or repair.

Applications and Common Issues Addressed

  • Restores proper belt tension in accessory drive systems
  • Eliminates belt slippage and noise caused by worn pulleys
  • Prevents premature belt wear due to misalignment
  • Supports smooth operation of alternator, power steering, and AC components
  • Replaces damaged or seized idler pulleys in Mercedes-Benz 380SE, 380SL, 420SEL, 500SEC, 500SEL, 560SEC, 560SEL, 560SL, and C320 models

Installation Notes and Tips

  • Verify compatibility with your specific Mercedes-Benz model before installation
  • Ensure the pulley bore and mounting hole align with existing hardware
  • Use appropriate tools to avoid damaging the pulley or belt
  • Replace mounting hardware if worn, as it is not included with the pulley
  • Inspect the accessory drive belt for wear and replace if necessary during installation

Quality Assurance and Warranty Information

The Hayden Pulley 5028 is manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. While mounting hardware is not included, the pulley’s steel construction and precise dimensions contribute to long service life. Please consult product documentation or the manufacturer for specific warranty details related to this part.

BrandHayden
Part Number5028
PositionPulley
Belt TypeV-Belt
Belt Width IN0.500
Belt Width MM12.700
Bore Dia. IN.625
ColorBlack
DescriptionIdler / Tensioner Pulley
Groove Quantity1
I.D. MM15.875
Inside Diameter0.625
MaterialSteel
Meets / Exceeds OEM?Yes
Mount Hole Qty1
Mounting Hardware?Not Included
O.D. MM95.250
Outside Diameter3.750
Pulley TypeIdler Pulley
Pulley Width IN.5
Pulley Width MM12.7
StyleIdler / Tensioner Pulley
TypePulley
Width12.7

This part fits 27 vehicles. Search below:

YearMakeModelPositionNotes
2001Mercedes-BenzC320N/APulley
1991Mercedes-Benz420SELN/APulley
1991Mercedes-Benz560SECN/APulley
1991Mercedes-Benz560SELN/APulley
1990Mercedes-Benz420SELN/APulley
1990Mercedes-Benz560SECN/APulley
1990Mercedes-Benz560SELN/APulley
1989Mercedes-Benz420SELN/APulley
1989Mercedes-Benz560SECN/APulley
1989Mercedes-Benz560SELN/APulley
1989Mercedes-Benz560SLN/APulley
1988Mercedes-Benz420SELN/APulley
1988Mercedes-Benz560SECN/APulley
1988Mercedes-Benz560SELN/APulley
1988Mercedes-Benz560SLN/APulley
1987Mercedes-Benz420SELN/APulley
1987Mercedes-Benz560SECN/APulley
1987Mercedes-Benz560SELN/APulley
1987Mercedes-Benz560SLN/APulley
1986Mercedes-Benz420SELN/APulley
1986Mercedes-Benz560SECN/APulley
1986Mercedes-Benz560SELN/APulley
1986Mercedes-Benz560SLN/APulley
1985Mercedes-Benz380SEN/APulley
1985Mercedes-Benz380SLN/APulley
1985Mercedes-Benz500SECN/APulley
1985Mercedes-Benz500SELN/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:

1161300460450285028835114A89317CWK835114

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