SKP SK0450409 Engine Crankcase Breather Hose Kit

Overview

SKP SK0450409 is an engine crankcase breather hose kit for BMW applications with confirmed fitment across multiple 2004-2008 models. It is a direct replacement-style emission control part for crankcase ventilation service, with fitment covering BMW 325i, 325xi, 330i, 330xi, 323i, 525i, 525xi, 530i, 530xi, and Z4 applications.

Key Features

• Engine crankcase breather hose kit for crankcase ventilation system service
• Fits BMW applications across 2004-2008 model years
• Direct replacement part number SK0450409 for service matching
• Cross-references OE numbers 11 15 7 522 931 and 11 15 7 567 801 for the same application

Detailed Description

SKP SK0450409 is built for crankcase ventilation repair on BMW vehicles where the breather hose assembly is part of the emission control system. This part number, SK0450409, covers a broad range of BMW 3 Series, 5 Series, and Z4 applications, making it a practical match when replacing a worn or damaged breather hose in the crankcase ventilation circuit. It cross-references OE numbers 11 15 7 522 931 and 11 15 7 567 801 for the same application.

Compatible BMW fitment includes 2004-2006 BMW 325i, 2005-2006 BMW 325xi, 2004-2006 BMW 330i, 2005-2006 BMW 330xi, 2006-2007 BMW 323i, 2005-2007 BMW 525i, 2006-2007 BMW 525xi, 2005-2007 BMW 530i, 2006-2007 BMW 530xi, and 2006-2008 BMW Z4. Use SK0450409 when the original breather hose assembly needs replacement in the crankcase ventilation system.

What It Is Used For

• Replacing a cracked or deteriorated crankcase breather hose
• Restoring crankcase ventilation flow in the emission control system
• Addressing vacuum-related drivability issues tied to hose failure
• Correcting oil vapor routing problems caused by a damaged hose assembly

Installation Notes and Tips

Verify the vehicle year, model, and engine-specific application before ordering. Fitment is confirmed for BMW models listed above, and the part number SK0450409 should be matched to the original hose assembly reference when servicing the crankcase ventilation system.

Quality Assurance

SKP replacement parts are cataloged for direct application matching, and this part cross-references OE numbers used for the same BMW crankcase ventilation applications.