Professional Parts Sweden 21430177 Engine Crankcase Breather Hose

Engine Crankcase Breather Hose for Volvo Applications

Professional Parts Sweden 21430177 is an engine crankcase breather hose for the crankcase ventilation system. It uses EACM rubber quality for service in a demanding underhood environment and is built for direct replacement use on the listed Volvo applications.

Compatible With 2011 Volvo C30, 2007 Volvo S40, and 2005 Volvo V50. This part number, 21430177, also cross-references Volvo 30751177 for the same application.

Key Features

• Engine crankcase breather hose for emission control and crankcase ventilation service
• EACM rubber quality for resistance to heat and oil exposure in the engine bay
• Direct-fit replacement for the listed Volvo C30, S40, and V50 applications
• Professional Parts Sweden part number 21430177 for catalog and service matching
• Cross-reference: Volvo 30751177

Detailed Description

This crankcase breather hose routes vapors within the crankcase ventilation system and supports proper hose integrity where oil mist, heat, and pressure cycling are present. For Volvo C30, Volvo S40, and Volvo V50 applications, Professional Parts Sweden 21430177 provides a replacement option that matches the listed fitment and uses EACM rubber quality for the hose material. If the original hose is cracked, softened, or leaking, this part restores the ventilation path specified for the vehicle.

Common Issues This Part Addresses

• Cracked or split crankcase breather hose
• Oil vapor leakage around the ventilation hose
• Hardening or deterioration of the original rubber hose
• Restricted crankcase ventilation flow from a damaged hose
• Check-engine concerns related to crankcase ventilation faults

Installation Notes and Tips

Verify the hose routing and connection points against the original part before installation. Inspect nearby crankcase ventilation components, clamps, and fittings for wear, contamination, or damage so the replacement hose seals correctly. Confirm fitment by model year and part number 21430177 before service.

Quality Assurance

Professional Parts Sweden supplies this hose as a replacement component for the listed Volvo applications. The EACM rubber quality supports use in crankcase ventilation service where durability and material stability matter.