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 Features

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 Equipment Models

Engines: ISC 8.3L, ISL 8.9L, QSC 8.3L series related Cummins-powered trucks heavy

Specifications

Part Number	4935079
Part Type	Crankcase Breather Housing
Application	Heavy Equipment Maintenance
Brand	WINSCHEN
Country of Origin	China
SKU	CMI-4935079
MOQ	1 PCS
Delivery Time	1-3 business days

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

Related Cummins Parts Categories

Browse more Cummins replacement parts or compare other intake and exhaust parts. For fitment confirmation, send the OEM part number, machine model and serial number through our inquiry form or WhatsApp.