CUMMINS X15 Crankcase Breather 5679573 Superseded by 5417366CUM

This Crankcase Breather is a critical engine ventilation component compatible with for Cummins X15 engines and matches part number(s) 5679573, 5417366, and 5417366CUM.

Product Overview

This Crankcase Breather is designed to manage airflow and regulate pressure within the engine crankcase for Cummins X15 XPI systems. By effectively releasing excess gases and preventing the accumulation of harmful vapors, this component helps protect engine seals and prevents oil leaks. This breather is an essential maintenance part for fleet owners and technicians working on EPA17 15 liter ISX and QSX engines to ensure optimal performance and long-term durability.

Key Features & Performance

• Regulates internal crankcase pressure to prevent oil leaks and protect engine seals
• Facilitates the removal of harmful gases to maintain a clean internal engine environment
• Engineered to withstand high operating temperatures and harsh under-hood conditions
• Direct replacement for part number 5679573 to ensure proper system integration
• Contributes to improved fuel efficiency and reduced emissions through better airflow management

Fitment & Compatibility

• For Cummins X15 XPI engines
• For Cummins EPA17 15 Liter ISX engines
• For Cummins EPA17 15 Liter QSX engines
• For Cummins ISX12, ISX15, and QSK60 engines
• Matches part numbers 5679573, 5417366, 5417366CUM, and 4974922

Common Uses

• Routine maintenance of heavy-duty commercial truck engines
• Repairing engine ventilation systems to resolve excessive crankcase pressure
• Restoring engine efficiency by replacing clogged or failing breather units

Technical Specifications

• Product Type: Crankcase Breather
• Part Number(s): 5679573, 5417366, 5417366CUM
• Brand Compatibility: for Cummins
• Engine Compatibility: X15, ISX15, QSX15, ISX12, QSK60
• Application: EPA17 15 Liter Engines

Frequently Asked Questions

Q: How do I know if this breather fits my specific engine? A: You should verify that your existing part matches one of the provided part numbers, such as 5679573 or 5417366, and confirm your engine is a Cummins X15 or compatible 15-liter model.

Q: What are the signs that a crankcase breather needs to be replaced? A: Common indicators include oil leaks from engine seals, increased oil consumption, or visible smoke and pressure buildup from the oil fill area.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.