Dorman 904-7904 Engine Crankcase Breather Element

Dorman 904-7904 Crankcase Breather Element

Dorman 904-7904 is a specific-fit engine crankcase breather element built to replace a cracked, clogged, or missing original filter. It is made with materials selected to handle engine oil exposure and heat, and it includes the filter housing for a direct replacement service part.

Key Features

• Specific-fit crankcase ventilation filter for direct replacement use
• Black rectangular cartridge-style design
• Housing included with replaceable filter element
• Plastic housing construction
• Built to withstand engine oil and elevated engine temperatures
• Non-reusable filter element
• Dimensions: 11.3 in. length, 8.8 in. width, 2.6 in. height, 2.13 in. thickness

Detailed Description

This engine crankcase breather element is designed to match the fit and function of the original equipment part on the correct application. For buyers searching for a Dorman 904-7904 crankcase ventilation filter, this replacement is intended for service where the OE filter is damaged, restricted, or no longer present. It is a specific-fit cartridge assembly with a rectangular profile and integrated plastic housing, making it a practical replacement for maintenance on the proper vehicle application. This part cross-references Spectra Premium 99340 for the same application.

For vehicle-specific searches such as crankcase breather element for Dodge Ram applications or replacement crankcase ventilation filter for Ram truck service, Dorman 904-7904 provides an OE-style service solution when the original filter needs replacement.

What It Helps Address

• Cracked crankcase breather filter housing
• Clogged crankcase ventilation filter media
• Missing original crankcase breather element
• Restricted crankcase ventilation service intervals
• Oil and heat-related filter deterioration

Installation Notes and Tips

Verify the part number and housing style before ordering, since this is a specific-fit cartridge assembly rather than a universal filter. Confirm the existing filter dimensions and mounting style match the listed measurements and cartridge design. For Dodge Ram and Ram model searches, compare the OE housing shape and service location to ensure the replacement matches the original configuration.

Quality Assurance

Dorman manufactures this replacement filter to match original equipment fit and function using materials selected for engine oil and heat resistance. The part is built as a direct replacement service component for the correct application.