Dorman 921-178 Engine Oil Filter Cover

Reliable Engine Oil Filter Cover for Mercedes-Benz Models

The Dorman 921-178 engine oil filter cover is designed to provide a secure and durable seal for your vehicle's oil filter housing. Engineered from high-quality plastic, this black, thread-on oil filter cap is compatible with a wide range of Mercedes-Benz models, ensuring proper fit and function.

• Constructed from durable plastic material for long-lasting performance
• Black color matches original equipment appearance
• Thread-on attachment method for secure installation
• Includes one oil filter cap per package
• Compatible with multiple Mercedes-Benz models including C-Class, E-Class, S-Class, GL, ML, and SL series

Durable Plastic Construction and Secure Thread-On Design

The Dorman 921-178 oil filter cover is manufactured from robust plastic, providing resistance to heat and engine fluids. Its black finish maintains the OEM look while the thread-on design ensures a tight seal to prevent oil leaks. This part is engineered to meet or exceed original equipment specifications, making it a reliable replacement for worn or damaged oil filter covers on Mercedes-Benz vehicles.

Compatible Mercedes-Benz Models and Part Number Details

This engine oil filter cover is compatible with a broad range of Mercedes-Benz models, including C230, C250, C280, C300, C350, CL500, CLK280, CLK350, CLK500, CLK550, CLS350, CLS550, E280, E300, E350, E500, E550, G500, G550, GL450, GL500, GL550, GLK280, GLK300, GLK350, ML350, ML450, ML500, ML550, R350, R550, S350, S400, S400L, S450, S500, S550, SL55 AMG, SL500, SL550, SLK200, SLK280, and SLK300. The part number 921-178 ensures you receive the correct oil filter cover designed specifically for these models.

Common Applications and Issues Addressed

• Replacement for cracked or damaged oil filter covers
• Prevents oil leaks caused by worn or stripped threads
• Maintains proper oil pressure by securing the oil filter housing
• Helps avoid engine contamination from oil leaks
• Restores OEM fit and finish to the engine compartment

Installation Notes and Tips

Installation of the Dorman 921-178 oil filter cover is straightforward due to its thread-on design. Before installation, ensure the oil filter and sealing surfaces are clean and free of debris. Hand-tighten the cover to avoid cross-threading, then torque to manufacturer specifications if available. Regular inspection during oil changes can help maintain a proper seal and prevent leaks.

Quality Assurance and Warranty Information

Dorman parts are engineered to meet or exceed OEM standards, providing reliable performance and durability. The 921-178 engine oil filter cover undergoes rigorous quality control to ensure fit and function. Warranty coverage details can be obtained from the product documentation or manufacturer, offering additional peace of mind for your replacement part.