Dorman crankcase ventilation breather filter 904-418 — direct-fit replacement, OEM-fit durability

Dorman 904-418 is a direct-replacement crankcase ventilation (breather) filter engineered to restore proper crankcase ventilation on vehicles that require this specific element.

This replacement breather element is designed to match the fit and performance of the factory part for compatible applications. When the original breather is missing, damaged, or clogged, the Dorman 904-418 restores controlled air flow out of the crankcase, helping reduce oil spray and maintaining the engine’s intended ventilation path. It’s built to Dorman’s manufacturing standards so the component fits and performs like the OEM unit it replaces.

How does the Dorman 904-418 replace my original breather filter?

The 904-418 is manufactured to match the dimensions and function of the factory part for specified vehicles, allowing straightforward installation in the original housing or carrier. It restores the intended filtration and air flow that the original breather provided, without requiring modification.

• Direct-fit design for specified OE housings and locations
• Same airflow characteristics to maintain proper crankcase ventilation
• Durable materials chosen to withstand engine bay conditions

What symptoms indicate I should replace the breather element?

A missing, cracked, or clogged breather can lead to oil leakage around seals, increased crankcase pressure, or oil carrying into hoses and the intake. Replacing the breather element helps return the ventilation system to designed operation and can reduce visible oil residue and related odors under the hood.

• Visible oil spray or buildup near the breather area
• Unusual oil consumption or leaks from seals and gaskets
• Cracked, brittle, or visibly clogged breather material

How durable and reliable is the Dorman replacement filter?

Dorman manufactures this breather element to strict specifications that mirror the original part’s construction and performance. The product is backed by Dorman’s engineering and support resources, providing a dependable option for routine maintenance or repair.

• Constructed for engine-bay exposure and repeated service intervals
• Quality control and testing aligned with Dorman’s standards
• Supported by U.S.-based product experts and decades of automotive experience

How do I confirm this part fits my vehicle?

Confirm fitment by entering your vehicle details in the store’s garage or compatibility tool and checking the Confirmed Fit indicator at the top of the product page. Hover over any blue “i” icons to read specific notes that may affect compatibility for your vehicle.

• Use the vehicle selector tool before purchase
• Look for Confirmed Fit or blue information icons for special notes
• Compare physical dimensions if your application has aftermarket modifications

Who this is for: The Dorman 904-418 Patented Crankcase Ventilation Filter is aimed at DIYers, independent mechanics, and fleet technicians who need a reliable, direct-replacement breather element for compatible vehicles. It suits anyone replacing a lost or damaged breather, addressing oil spray or ventilation issues without modifying the original system. Choose this part when you want an affordable, engineered substitute that mirrors the factory component’s fit and function and is supported by Dorman’s automotive expertise.