The Bosch O 1178 is a high-efficiency cartridge type oil filter element designed to maintain clean engine oil in modern automotive engines. Unlike spin-on filters, this element fits inside a reusable oil filter housing, allowing for quick and environmentally friendly replacements. It efficiently captures contaminants such as metal particles, dirt, carbon deposits, and sludge, preventing premature engine wear and ensuring smooth lubrication of critical components.

Key Features:
• Cartridge / Element Design: Installed inside the permanent filter housing for easy replacement
• High-Efficiency Filter Media: Typically cellulose or synthetic blend to capture fine contaminants
• Engine Protection: Reduces wear on bearings, pistons, and turbochargers by keeping oil clean
• Maintenance-Friendly: Only the internal element is replaced, reducing waste
• Reliable Performance: Designed to maintain proper oil flow under normal and high-pressure conditions

Typical Dimensions:
• Height: ~85 mm
• Outer Diameter: ~76 mm
• Inner Diameter: ~38 mm

Applications:
• Used in a variety of automotive engines requiring a cartridge-type oil filter
• Compatible with engine housings designed for Bosch O 1178 filter elements