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Hayden 5028 Accessory Drive Belt Idler Pulley
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.
| Brand | Hayden |
| Part Number | 5028 |
| Position | Pulley |
| Belt Type | V-Belt |
| Belt Width IN | 0.500 |
| Belt Width MM | 12.700 |
| Bore Dia. IN | .625 |
| Color | Black |
| Description | Idler / Tensioner Pulley |
| Groove Quantity | 1 |
| I.D. MM | 15.875 |
| Inside Diameter | 0.625 |
| Material | Steel |
| Meets / Exceeds OEM? | Yes |
| Mount Hole Qty | 1 |
| Mounting Hardware? | Not Included |
| O.D. MM | 95.250 |
| Outside Diameter | 3.750 |
| Pulley Type | Idler Pulley |
| Pulley Width IN | .5 |
| Pulley Width MM | 12.7 |
| Style | Idler / Tensioner Pulley |
| Type | Pulley |
| Width | 12.7 |
This part fits 27 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2001 | Mercedes-Benz | C320 | N/A | Pulley |
| 1991 | Mercedes-Benz | 420SEL | N/A | Pulley |
| 1991 | Mercedes-Benz | 560SEC | N/A | Pulley |
| 1991 | Mercedes-Benz | 560SEL | N/A | Pulley |
| 1990 | Mercedes-Benz | 420SEL | N/A | Pulley |
| 1990 | Mercedes-Benz | 560SEC | N/A | Pulley |
| 1990 | Mercedes-Benz | 560SEL | N/A | Pulley |
| 1989 | Mercedes-Benz | 420SEL | N/A | Pulley |
| 1989 | Mercedes-Benz | 560SEC | N/A | Pulley |
| 1989 | Mercedes-Benz | 560SEL | N/A | Pulley |
| 1989 | Mercedes-Benz | 560SL | N/A | Pulley |
| 1988 | Mercedes-Benz | 420SEL | N/A | Pulley |
| 1988 | Mercedes-Benz | 560SEC | N/A | Pulley |
| 1988 | Mercedes-Benz | 560SEL | N/A | Pulley |
| 1988 | Mercedes-Benz | 560SL | N/A | Pulley |
| 1987 | Mercedes-Benz | 420SEL | N/A | Pulley |
| 1987 | Mercedes-Benz | 560SEC | N/A | Pulley |
| 1987 | Mercedes-Benz | 560SEL | N/A | Pulley |
| 1987 | Mercedes-Benz | 560SL | N/A | Pulley |
| 1986 | Mercedes-Benz | 420SEL | N/A | Pulley |
| 1986 | Mercedes-Benz | 560SEC | N/A | Pulley |
| 1986 | Mercedes-Benz | 560SEL | N/A | Pulley |
| 1986 | Mercedes-Benz | 560SL | N/A | Pulley |
| 1985 | Mercedes-Benz | 380SE | N/A | Pulley |
| 1985 | Mercedes-Benz | 380SL | N/A | Pulley |
| 1985 | Mercedes-Benz | 500SEC | N/A | Pulley |
| 1985 | Mercedes-Benz | 500SEL | N/A | Pulley |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.