Dorman 904-7950 Engine Crankcase Breather Element

Crankcase Breather Filter for Ram Diesel Applications

This Dorman engine crankcase breather element is a direct replacement for a cracked, clogged, or missing original filter. Built with a plastic housing and cartridge-style mounting, it is made to handle engine oil exposure and heat while maintaining the intended crankcase ventilation path.

Compatible with select Dodge Ram 2500 and Dodge Ram 3500 diesel applications, this Dorman 904-7950 replacement filter is shaped for a specific fit and matches the original filter’s function. It is a practical service part for restoring crankcase ventilation performance on the listed vehicles.

Key Features

• Direct replacement crankcase ventilation filter for specific Dodge Ram applications
• Specific-fit design for proper installation and sealing
• Plastic housing with cartridge mounting style
• Black square filter assembly with integrated housing
• Built to withstand engine oil and heat exposure
• Cross-references OE numbers 3957987 and 5093067AA for the same application

Detailed Description

Dorman 904-7950 is an engine crankcase breather element designed to replace the original equipment filter on select Ram diesel trucks. The unit measures 6.25 inches long, 4.5 inches wide, and 2.18 inches high, with a square profile and one inlet flange. Its specific-fit construction helps it align with the factory mounting location and ventilation routing.

Fits 2003-2004 Dodge Ram 2500, w/External Breather Filter; Fits 2003-2005 Dodge Ram 3500, w/External Breather Filter; Fits 2005-2009 Dodge Ram 2500; Fits 2006-2008 Dodge Ram 3500; Fits 2009 Dodge Ram 3500, L6 359CID 5.9L. If you are replacing a damaged or restricted crankcase breather on a Dodge Ram 2500 or Dodge Ram 3500, this part number 904-7950 provides a direct service replacement for the listed applications.

Common Problems This Part Can Address

• Cracked crankcase breather filter housing
• Clogged ventilation filter restricting crankcase airflow
• Missing original breather element
• Oil contamination at the crankcase ventilation filter
• Heat-related deterioration of the factory filter assembly

Installation Notes and Tips

Verify the vehicle year, model, engine configuration, and breather filter style before installation. This part is a specific-fit cartridge assembly, so confirm the factory mounting location and the presence of an external breather filter where noted in the fitment data. Inspect the surrounding ventilation components for contamination or damage before installing the new filter.

Quality Assurance

Dorman manufactures this replacement filter using materials selected for oil and heat resistance, with fit and function matched to the original equipment design. Part number 904-7950 is built as a direct replacement for the listed Ram diesel applications.