OE Quality
60-Day Returns

Mahle B31973 Engine Oil Cooler Gasket
Reliable Engine Oil Cooler Gasket for Dodge and Mercedes-Benz
The Mahle B31973 engine oil cooler gasket is designed to provide a secure and durable seal for your vehicle's engine oil cooler. Engineered with molded rubber, this gasket meets OEM standards to ensure proper fit and function for select Dodge and Mercedes-Benz models.
- Constructed from molded rubber for effective sealing and durability
- OEM standard item grade ensures compatibility and reliability
- Package includes one engine oil cooler gasket
- Compatible with various Mercedes-Benz models including C230, C280, C300, and more
- Also fits Dodge Sprinter 2500 and Sprinter 3500 models
Durable Molded Rubber Material for Effective Sealing
This engine oil cooler gasket is made from molded rubber, a material known for its flexibility and resistance to oil and heat. The gasket maintains a tight seal between the engine oil cooler and the engine block, preventing leaks and ensuring optimal engine performance. The OEM standard grade guarantees that the gasket meets the specifications required by Dodge and Mercedes-Benz manufacturers, providing a reliable replacement part.
Compatible Vehicles and Applications
The Mahle B31973 gasket is compatible with a range of Mercedes-Benz vehicles, including C-Class models like C230, C280, C300, and C350, as well as CL550, CLK350, CLK550, CLS550, E-Class models such as E280, E300, E350, E400, E550, and others like G550, GL450, GL550, GLK350, ML350, ML450, ML550, R350, S400, S550, SL550, SLK280, SLK300, SLK350. It also fits Dodge Sprinter 2500 and Sprinter 3500 models. This ensures that the gasket can be used for maintenance or repair on a variety of vehicles requiring a precise engine oil cooler seal.
Common Issues Addressed by This Gasket
- Prevents engine oil leaks around the oil cooler
- Eliminates oil contamination and potential engine damage
- Maintains proper oil pressure and cooling efficiency
- Reduces risk of engine overheating due to oil cooler failure
- Helps avoid costly repairs related to gasket failure
Installation Notes and Tips
When installing the Mahle B31973 engine oil cooler gasket, ensure the mating surfaces are clean and free of old gasket material or debris. Proper torque specifications should be followed to avoid over-tightening, which can damage the gasket. It is recommended to inspect the oil cooler and surrounding components for wear or damage during installation. Replacement should be performed by a qualified technician familiar with Dodge and Mercedes-Benz engine systems.
Quality Assurance and Warranty
Mahle manufactures this engine oil cooler gasket to meet OEM standards, ensuring consistent quality and fitment. While specific warranty details may vary, Mahle products typically come with a limited warranty against manufacturing defects. Using this gasket helps maintain the integrity of your vehicleβs engine oil cooling system and supports long-term engine reliability.
| Brand | Mahle |
| Part Number | B31973 |
| Gasket Material | Molded Rubber |
| Item Grade | OEM Standard |
This part fits 116 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2013 | Mercedes-Benz | E400 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2013 | Mercedes-Benz | G550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2013 | Mercedes-Benz | S400 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2012 | Mercedes-Benz | C300 | 3.0L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2012 | Mercedes-Benz | E350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2012 | Mercedes-Benz | G550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2012 | Mercedes-Benz | GL450 | 4.7L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2012 | Mercedes-Benz | GL550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2012 | Mercedes-Benz | GLK350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2012 | Mercedes-Benz | S400 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2012 | Mercedes-Benz | SL550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2011 | Mercedes-Benz | C300 | 3.0L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2011 | Mercedes-Benz | C350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2011 | Mercedes-Benz | CLS550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2011 | Mercedes-Benz | E350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2011 | Mercedes-Benz | E550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2011 | Mercedes-Benz | G550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2011 | Mercedes-Benz | GL450 | 4.7L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2011 | Mercedes-Benz | GL550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2011 | Mercedes-Benz | GLK350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2011 | Mercedes-Benz | ML350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2011 | Mercedes-Benz | ML450 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2011 | Mercedes-Benz | ML550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2011 | Mercedes-Benz | R350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2011 | Mercedes-Benz | S400 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2011 | Mercedes-Benz | S550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2011 | Mercedes-Benz | SL550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2011 | Mercedes-Benz | SLK300 | 3.0L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2011 | Mercedes-Benz | SLK350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2010 | Mercedes-Benz | C300 | 3.0L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2010 | Mercedes-Benz | C350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2010 | Mercedes-Benz | CL550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2010 | Mercedes-Benz | CLS550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2010 | Mercedes-Benz | E350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2010 | Mercedes-Benz | E550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2010 | Mercedes-Benz | G550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2010 | Mercedes-Benz | GL450 | 4.7L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2010 | Mercedes-Benz | GL550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2010 | Mercedes-Benz | GLK350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2010 | Mercedes-Benz | ML350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2010 | Mercedes-Benz | ML450 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2010 | Mercedes-Benz | ML550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2010 | Mercedes-Benz | R350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2010 | Mercedes-Benz | S400 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2010 | Mercedes-Benz | S550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2010 | Mercedes-Benz | SL550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2010 | Mercedes-Benz | SLK300 | 3.0L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2010 | Mercedes-Benz | SLK350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2009 | Mercedes-Benz | C300 | 3.0L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2009 | Mercedes-Benz | C350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2009 | Mercedes-Benz | CL550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2009 | Mercedes-Benz | CLK350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2009 | Mercedes-Benz | CLK550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2009 | Mercedes-Benz | CLS550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2009 | Mercedes-Benz | E300 | 3.0L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2009 | Mercedes-Benz | E350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2009 | Mercedes-Benz | E550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2009 | Mercedes-Benz | G550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2009 | Mercedes-Benz | GL450 | 4.7L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2009 | Mercedes-Benz | GL550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2009 | Mercedes-Benz | ML350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2009 | Mercedes-Benz | ML550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2009 | Mercedes-Benz | R350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2009 | Mercedes-Benz | S550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2009 | Mercedes-Benz | SL550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2009 | Mercedes-Benz | SLK300 | 3.0L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2009 | Mercedes-Benz | SLK350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2008 | Dodge | Sprinter 2500 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2008 | Dodge | Sprinter 3500 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2008 | Mercedes-Benz | C300 | 3.0L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2008 | Mercedes-Benz | C350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2008 | Mercedes-Benz | CL550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2008 | Mercedes-Benz | CLK350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2008 | Mercedes-Benz | CLK550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2008 | Mercedes-Benz | CLS550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2008 | Mercedes-Benz | E300 | 3.0L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2008 | Mercedes-Benz | E350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2008 | Mercedes-Benz | E550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2008 | Mercedes-Benz | GL450 | 4.7L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2008 | Mercedes-Benz | GL550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2008 | Mercedes-Benz | ML350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2008 | Mercedes-Benz | ML550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2008 | Mercedes-Benz | R350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2008 | Mercedes-Benz | S550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2008 | Mercedes-Benz | SL550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2008 | Mercedes-Benz | SLK280 | 3.0L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2008 | Mercedes-Benz | SLK350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2007 | Dodge | Sprinter 2500 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2007 | Dodge | Sprinter 3500 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2007 | Mercedes-Benz | C230 | 2.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2007 | Mercedes-Benz | C280 | 3.0L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2007 | Mercedes-Benz | C350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2007 | Mercedes-Benz | CL550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2007 | Mercedes-Benz | CLK350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2007 | Mercedes-Benz | CLK550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2007 | Mercedes-Benz | CLS550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2007 | Mercedes-Benz | E280 | 3.0L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2007 | Mercedes-Benz | E350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2007 | Mercedes-Benz | E550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2007 | Mercedes-Benz | GL450 | 4.7L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2007 | Mercedes-Benz | ML350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2007 | Mercedes-Benz | R350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2007 | Mercedes-Benz | S550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2007 | Mercedes-Benz | SL550 | 5.5L | V8 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2007 | Mercedes-Benz | SLK280 | 3.0L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2007 | Mercedes-Benz | SLK350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2006 | Mercedes-Benz | C230 | 2.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2006 | Mercedes-Benz | C280 | 3.0L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2006 | Mercedes-Benz | C350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2006 | Mercedes-Benz | CLK350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2006 | Mercedes-Benz | E350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2006 | Mercedes-Benz | ML350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2006 | Mercedes-Benz | R350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2006 | Mercedes-Benz | SLK280 | 3.0L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2006 | Mercedes-Benz | SLK350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
| 2005 | Mercedes-Benz | SLK350 | 3.5L | V6 | N/A | Oil Cooler to Housing; Molded Rubber |
* 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.