4935079 Crankcase Breather Housing for Cummins ISC ISL QSC 8.3L 8.9L Engines

4935079 Crankcase Breather Housing – High-Quality Aftermarket Replacement for Cummins Engines

Keep your Cummins engine’s crankcase ventilation system performing reliably with this premium aftermarket 4935079 crankcase breather housing. Engineered as a direct OEM replacement, it provides durable filtration and pressure regulation to vent blow-by gases, reduce oil contamination, and maintain optimal engine health in heavy-duty applications.

Key Benefits for Contractors and Operators

• Prevents Oil Contamination: Effectively vents crankcase gases and filters contaminants, reducing sludge buildup and extending engine life.
• Direct Fit Installation: Matches genuine Cummins specs for quick, no-modification replacement – minimize downtime during routine service.
• Built Tough for Heavy Duty Use: High-grade construction resists vibration, heat, and harsh conditions for long-lasting reliability.
• Cost-Effective Alternative: OEM-level performance at aftermarket pricing – ideal for fleet maintenance and budget-conscious operations.
• Fast Shipping: In stock and ready to ship within 1-3 days.

Compatible Cummins Models

This crankcase breather housing is commonly used in engines including (verify your machine’s parts manual for exact fit):

• ISC 8.3L, ISL 8.9L, QSC 8.3L series
• And related Cummins-powered trucks and heavy equipment

Specifications

Questions? Contact us for fitment confirmation or bulk pricing. We stand behind our parts with fast shipping and easy returns.