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Vaico V30-3116 Accessory Drive Belt Idler Pulley
| Brand | Vaico V30-3116 |
|---|---|
| Height [mm] | 34.5 |
| Inner diameter [mm] | 13,5 |
| Length [mm] | 55 |
| Material | Polyamid 6 |
| Outer diameter [mm] | 55 |
| Packaging height [cm] | 3,45 |
| Packaging width [cm] | 5,5 |
| Weight [kg] | 0.109 |
| Width [mm] | 55 |
| Product line | VAICO |
| Fits | Mercedes-Benz · 7 vehicles |
Durable Polyamid 6. Built for dependable belt system performance.
Accessory drive belt idler pulley. Keeps the belt running smoothly and consistently.
Cross-references 642 200 05 70 and A6422000570 for the same application. See all 2.
Accessory Drive Belt Idler Pulley for Mercedes-Benz
The Vaico V30-3116 accessory drive belt idler pulley is a direct-fit replacement for select Mercedes-Benz diesel applications. Built with a Polyamid 6 pulley body and OE-matched dimensions, it supports proper belt routing and stable accessory drive operation on compatible R320, GL320, and ML320 models.
Key Features
- Accessory drive belt idler pulley for the belt and cooling system
- Polyamid 6 construction for the pulley body
- Outer diameter: 55 mm
- Width: 55 mm
- Height: 34.5 mm
- Inner diameter: 13.5 mm
- OE reference: 642 200 05 70 / A6422000570
- Vaico part number V30-3116 for catalog and service matching
Product Details
Vaico V30-3116 is an accessory drive belt idler pulley engineered around the OE number 6422000570 for Mercedes-Benz belt drive service. The compact 55 mm outer diameter and 34.5 mm height help maintain the correct belt path, while the 13.5 mm inner diameter supports proper mounting fitment. This pulley is listed for 2007-2009 Mercedes-Benz R320, 2007-2008 Mercedes-Benz GL320, and 2007-2008 Mercedes-Benz ML320 applications, making it a focused replacement choice for technicians and owners servicing the accessory drive belt system. VAICO product line components are cataloged for OE-style replacement use, and V30-3116 follows that approach with application-specific sizing and material selection.
This part cross-references OE numbers 642 200 05 70 and A6422000570 for the same application.
What It Helps Address
- Noise from a worn or rough idler pulley bearing surface
- Belt tracking issues caused by pulley wear or dimensional mismatch
- Accessory drive belt vibration in Mercedes-Benz diesel engines
- Uneven belt routing in the front accessory drive system
- Service replacement for a pulley matched to OE number 6422000570
Installation Notes and Tips
Verify the OE number and pulley dimensions before installation, especially on 2007-2009 Mercedes-Benz R320 and 2007-2008 Mercedes-Benz GL320 or ML320 models. Inspect the accessory drive belt, tensioner, and adjacent pulleys at the same time so the new idler pulley is installed into a clean, aligned belt path. Confirm the mounting bore and pulley width match the original component before final assembly.
Quality Assurance
Vaico parts are cataloged for OE-referenced replacement applications, and this pulley is specified with exact dimensional data to support accurate fitment on the listed Mercedes-Benz vehicles.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2009 | Mercedes-Benz | R320 | Bluetec | 3.0L | V6 | N/A | Grade: Aftermarket; With OE No. 6422000570; VAICO |
| 2008 | Mercedes-Benz | GL320 | — | 3.0L | V6 | N/A | Grade: Aftermarket; To 11/09/2007; With OE No. 6422000570; VAICO |
| 2008 | Mercedes-Benz | ML320 | — | 3.0L | V6 | N/A | Grade: Aftermarket; To 11/09/2007; With OE No. 6422000570; VAICO |
| 2008 | Mercedes-Benz | R320 | CDI | 3.0L | V6 | N/A | Grade: Aftermarket; With OE No. 6422000570; VAICO |
| 2007 | Mercedes-Benz | GL320 | — | 3.0L | V6 | N/A | Grade: Aftermarket; With OE No. 6422000570; VAICO |
| 2007 | Mercedes-Benz | ML320 | — | 3.0L | V6 | N/A | Grade: Aftermarket; With OE No. 6422000570; VAICO |
| 2007 | Mercedes-Benz | R320 | CDI | 3.0L | V6 | N/A | Grade: Aftermarket; With OE No. 6422000570; VAICO |
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