2009-2013 Mercedes-Benz Piston w/ Connecting Rod Left 6420308117
OEM Part #: 642-030-81-17 (6420308117)
Actual photo
The exact part you’ll receive — not a stock photo.
$89.99
Side: Left
Used
Donor2011 Mercedes-Benz E350 · 3.0L
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Genuine OEM Used
SKU: 691327
Donor Vehicle: 2011 Mercedes-Benz E350 · 3.0L
2 photos
$89.99
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Genuine OEM Used
SKU: 691326
Donor Vehicle: 2011 Mercedes-Benz E350 · 3.0L
2 photos
$89.99
30-Day Returns
Genuine OEM Used
SKU: 691325
Donor Vehicle: 2011 Mercedes-Benz E350 · 3.0L
2 photos
$89.99
30-Day Returns
- Genuine OEM — real photos
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Mercedes-Benz piston w/ connecting rod, OEM part number 6420308117, is a used genuine part from a donor vehicle. This left-side assembly combines the piston and connecting rod into a single unit. It serves the 3.0L V6 diesel (2987cc) and 3.5L V6 gas (3498cc) engines, among others. When the piston or rod fails, symptoms include knocking, excessive oil consumption, or loss of compression. This part must be installed by a qualified technician.
Specifications
| Fits Vehicle Model | E350, GL320, ML320, ML350 |
| Fits Vehicle Make | Mercedes-Benz |
| OEM Part No | 642-030-81-17 (6420308117) |
| Side | Left |
| Category | Rotating Assembly |
Compatible Vehicles
Fits 19 vehicle configurations across 1 make, 2009-2013.
Check your specific vehicle before ordering.
This list shows year, make, and model. Some years have multiple trims or
engines that use different parts, and individual listings may have
additional fitment notes (e.g. “with sunroof only”). Review
the full variant list below, or
message us with your VIN
and we’ll confirm the match.
View all 19 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2012 | Mercedes-Benz | E350 | Sedan | 3.5L V6 | |
| 2011 | Mercedes-Benz | E350 | Sedan | 3.0L V6 Diesel Turbo | |
| 2011 | Mercedes-Benz | E350 | Sedan | 3.5L V6 | |
| 2011 | Mercedes-Benz | E350 | Wagon | 3.5L V6 | |
| 2012 | Mercedes-Benz | ML350 | SUV | 3.5L V6 | |
| 2010 | Mercedes-Benz | E350 | Sedan | 3.5L V6 | |
| 2012 | Mercedes-Benz | E350 | Wagon | 3.5L V6 | |
| 2012 | Mercedes-Benz | ML350 | SUV | 3.0L V6 Diesel Turbo | |
| 2011 | Mercedes-Benz | ML350 | SUV | 3.0L V6 Diesel Turbo | |
| 2011 | Mercedes-Benz | ML350 | SUV | 3.5L V6 | |
| 2010 | Mercedes-Benz | ML350 | SUV | 3.0L V6 Diesel Turbo | |
| 2010 | Mercedes-Benz | ML350 | SUV | 3.5L V6 | |
| 2009 | Mercedes-Benz | ML350 | SUV | 3.5L V6 | |
| 2009 | Mercedes-Benz | ML320 | SUV | 3.0L V6 Diesel Turbo | |
| 2009 | Mercedes-Benz | GL320 | SUV | 3.0L V6 Diesel Turbo | |
| 2013 | Mercedes-Benz | E350 | Sedan | 3.0L V6 Diesel Turbo | |
| 2013 | Mercedes-Benz | E350 | Sedan | 3.5L V6 | |
| 2013 | Mercedes-Benz | E350 | Wagon | 3.5L V6 | |
| 2012 | Mercedes-Benz | E350 | Sedan | 3.0L V6 Diesel Turbo |