Victor Reinz 71-36578-00 Engine Crankcase Breather Gasket

OE-Style Crankcase Breather Sealing

Victor Reinz 71-36578-00 is an engine crankcase breather gasket built with molded rubber for a precise seal and consistent fit. It is a black, irregular-inside-diameter gasket made for emission control sealing applications on a wide range of Ford, Lincoln, Mazda, and Mercury vehicles.

For repairs on Ford Escape, Ford Focus, and Mazda 3 applications, this gasket helps restore a tight seal at the crankcase breather connection. Victor Reinz 71-36578-00 is engineered to deliver OE-quality sealing performance for foreign and domestic passenger vehicles and light trucks.

Key Features

• Molded rubber construction for sealing consistency
• Black finish
• Irregular inside diameter for application-specific fit
• OE-quality gasket technology from Victor Reinz
• Used in emission control and crankcase breather sealing applications

Application Coverage

Compatible with a broad range of vehicles, including Fits 2005-2018 Ford Escape, N/A; Fits 2003-2018 Ford Focus, N/A; Fits 2004-2013 Mazda 3, N/A; Fits 2003-2013 Mazda 6, N/A; Fits 2011-2018 Lincoln MKZ, N/A; and Fits 2005-2011 Mercury Mariner, N/A. This part number, 71-36578-00, also appears in cross-reference listings with FEL-PRO 72950 and MAHLE B31859 for the same application.

What This Gasket Helps Address

• Crankcase breather seal leakage
• Oil vapor seepage at the breather connection
• Unstable sealing from a worn or flattened gasket
• Emission control sealing issues related to the breather assembly
• Fitment concerns during engine service on Ford, Mazda, Lincoln, and Mercury models

Installation Notes

Inspect the breather housing and mating surfaces before installation. Remove old gasket material, clean the sealing area, and confirm the gasket seats evenly in the groove or channel. Verify application match by year, make, and model before service; this part number, 71-36578-00, is used across multiple engine families, including Ford Edge, Ford Explorer, and Mazda MX-5 Miata applications.

Quality Assurance

Victor Reinz is an original equipment supplier known for gasket engineering used by manufacturers worldwide. That OE background supports consistent sealing performance and application-specific fitment for repairs on vehicles such as Ford Fusion, Ford Mustang, and Mazda Tribute.