/live/media/HY/HY_5052_Fro.jpg)
Will it fit your vehicle?
Confirm before you buy. Free return shipping if it doesn't fit.
Hayden 5052 Accessory Drive Belt Idler Pulley
| Brand | Hayden 5052 |
|---|---|
| Belt Type | Serpentine |
| Belt Width IN | 1.000 |
| Belt Width MM | 22.225 |
| Bore Dia. IN | 0.668 |
| Color | Black |
| Description | Idler / Tensioner Pulley |
| Groove Quantity | 6 |
| I.D. MM | 7.9375 |
| Inside Diameter | .875 |
| Material | Plastic |
| Meets / Exceeds OEM? | Yes |
| Mount Hole Qty | 1 |
| Mounting Hardware? | Not Included |
| O.D. MM | 69.850 |
| Outside Diameter | 2.750 |
| Pulley Type | Idler Pulley |
| Pulley Width IN | 1.062 |
| Pulley Width MM | 27 |
| Style | Idler / Tensioner Pulley |
| Type | Pulley |
| Width | 27 |
| Product line | Pulley |
| Fits | Mercedes-Benz · 21 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable belt system service.
Plastic construction. Lightweight design with a black finish for a clean, durable look.
Serpentine pulley. Idler/tensioner pulley for smooth accessory drive belt operation.
Cross-references Dayco 89085, Four Seasons 45052 and Gates 38092 for the same application. See all 10.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Hayden 5052 Accessory Drive Belt Idler Pulley
The Hayden 5052 is an accessory drive belt idler pulley for serpentine belt systems. Built with a black plastic pulley body and a 6-groove profile, it is made for direct replacement use on select Mercedes-Benz applications, including 1986-1992 Mercedes-Benz 300E and 1988-1992 Mercedes-Benz 300CE.
Key Features
- Accessory drive belt idler pulley for serpentine belt systems
- Black plastic construction
- 6-groove pulley design
- Outside diameter: 2.750 in. (69.850 mm)
- Pulley width: 1.062 in. (27 mm)
- Inside diameter: 0.875 in. / bore diameter: 0.668 in. (7.9375 mm)
- Meets or exceeds OEM requirements
- Mount hole quantity: 1
- Mounting hardware not included
Product Details
Hayden Pulley 5052 is an idler/tensioner pulley intended for accessory drive belt routing and belt tracking in serpentine belt systems. The 6-groove layout, 1.000 in. belt width specification, and 27 mm pulley width align with OE-style belt drive service needs. This part cross-references Gates 38092 and Dayco 89085 for the same application. It is a direct-fit service part for Mercedes-Benz 300E, Mercedes-Benz 300CE, Mercedes-Benz 300SE, Mercedes-Benz 300SEL, Mercedes-Benz 260E, and Mercedes-Benz 190E applications listed below.
Vehicle Fitment
- Fits 1986-1992 Mercedes-Benz 300E, N/A
- Fits 1988-1992 Mercedes-Benz 300CE, N/A
- Fits 1988-1991 Mercedes-Benz 300SE, N/A
- Fits 1987-1989 Mercedes-Benz 260E, N/A; grooved pulley
- Fits 1988 Mercedes-Benz 300SEL, N/A
- Fits 1987 Mercedes-Benz 190E, N/A
Common Replacement Uses
- Worn or noisy accessory belt idler pulley
- Belt tracking issues in a serpentine drive system
- Visible pulley wear, cracking, or surface damage
- Service replacement for OE-style belt routing components
- Restoration of proper belt alignment on compatible Mercedes-Benz models
Installation Notes
Verify pulley diameter, groove count, and bore dimensions before installation. Inspect the belt, tensioner, and adjacent drive components for wear at the same time, since a damaged belt system can shorten pulley life. Mounting hardware is not included, so reuse or source the correct fastener as needed for the vehicle.
Quality Assurance
Hayden 5052 is specified as meeting or exceeding OEM requirements for the listed applications. The Hayden Pulley line is used for replacement belt drive components where OE-style fit and dimensional accuracy matter.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1992 | Mercedes-Benz | 300CE | — | — | N/A | Pulley |
| 1992 | Mercedes-Benz | 300E | — | — | N/A | Pulley |
| 1991 | Mercedes-Benz | 300CE | — | — | N/A | Pulley |
| 1991 | Mercedes-Benz | 300E | — | — | N/A | Pulley |
| 1991 | Mercedes-Benz | 300SE | — | — | N/A | Pulley |
| 1990 | Mercedes-Benz | 300CE | — | — | N/A | Pulley |
| 1990 | Mercedes-Benz | 300E | — | — | N/A | Pulley |
| 1990 | Mercedes-Benz | 300SE | — | — | N/A | Pulley |
| 1989 | Mercedes-Benz | 260E | — | — | N/A | Grooved Pulley; Pulley |
| 1989 | Mercedes-Benz | 300CE | — | — | N/A | Pulley |
| 1989 | Mercedes-Benz | 300E | — | — | N/A | Pulley |
| 1989 | Mercedes-Benz | 300SE | — | — | N/A | Pulley |
| 1988 | Mercedes-Benz | 260E | — | — | N/A | Grooved Pulley; Pulley |
| 1988 | Mercedes-Benz | 300CE | — | — | N/A | Pulley |
| 1988 | Mercedes-Benz | 300E | — | — | N/A | Pulley |
| 1988 | Mercedes-Benz | 300SE | — | — | N/A | Pulley |
| 1988 | Mercedes-Benz | 300SEL | — | — | N/A | Pulley |
| 1987 | Mercedes-Benz | 190E | 2.6L | L6 | N/A | Pulley |
| 1987 | Mercedes-Benz | 260E | — | — | N/A | Grooved Pulley; Pulley |
| 1987 | Mercedes-Benz | 300E | — | — | N/A | Pulley |
| 1986 | Mercedes-Benz | 300E | — | — | N/A | Pulley |
| No rows match your filter. | ||||||