OE Quality
60-Day Returns

Elring 646.830 Vacuum Pump Gasket
Reliable Vacuum Pump Gasket for Mercedes-Benz 300D and S350
The Elring 646.830 vacuum pump gasket is designed to provide a secure seal for emission control systems in select Mercedes-Benz vehicles. Engineered to maintain optimal vacuum pump performance, this gasket supports the proper functioning of your 300D or S350 model.
Key Features of Elring Vacuum Pump Gasket 646.830
- Compatible with Mercedes-Benz 300D and S350 models
- Ensures a tight seal for vacuum pump and emission control systems
- Manufactured by Elring, a trusted brand in gaskets and sealing systems
- Part number 646.830 for precise identification and fitment
- Durable material designed to withstand engine operating conditions
Detailed Product Description
The Elring vacuum pump gasket 646.830 is a critical component in maintaining the integrity of the vacuum pump assembly on Mercedes-Benz 300D and S350 vehicles. This gasket prevents leaks that could compromise engine vacuum, which is essential for emission control and overall engine efficiency. Manufactured with precision, the gasket fits securely to ensure consistent sealing performance under varying temperature and pressure conditions. Using the correct gasket helps avoid vacuum loss that can lead to engine performance issues or increased emissions.
Common Applications and Issues Addressed
- Prevents vacuum leaks in the vacuum pump system
- Helps maintain proper emission control function
- Reduces risk of engine performance degradation due to vacuum loss
- Addresses oil leaks around the vacuum pump area
- Supports compliance with emission standards by ensuring system integrity
Installation Notes and Tips
When replacing the vacuum pump gasket on Mercedes-Benz 300D or S350 models, ensure the mating surfaces are clean and free of old gasket material or debris. Proper torque specifications should be followed to avoid gasket damage or leaks. It is recommended to inspect the vacuum pump and surrounding components for wear or damage during installation to ensure optimal system performance.
Quality Assurance and Warranty
Elring is known for producing high-quality gaskets and sealing systems that meet OEM standards. The 646.830 vacuum pump gasket undergoes rigorous quality control to ensure durability and reliable sealing performance. While specific warranty details may vary, Elring products typically come with manufacturer-backed quality assurance to support long-term use in Mercedes-Benz vehicles.
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1995 | Mercedes-Benz | S350 | 3.4L | L6 | N/A | |
| 1994 | Mercedes-Benz | S350 | 3.4L | L6 | N/A | |
| 1993 | Mercedes-Benz | 300D | 2.5L | L5 | N/A | |
| 1992 | Mercedes-Benz | 300D | 2.5L | L5 | N/A | |
| 1991 | Mercedes-Benz | 300D | 2.5L | L5 | N/A | |
| 1990 | Mercedes-Benz | 300D | 2.5L | L5 | N/A |
* 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.