Cummins Crankcase Breather Cover 4936347 for 4 B3.9, 6 B5.9, B4.5, B6.7 Engines

The Cummins Crankcase Breather Cover 4936347 is a precision-engineered cover designed to provide proper crankcase ventilation for multiple Cummins engines, including 4 B3.9, 6 B5.9, B4.5, and B6.7. This component ensures that pressure buildup in the crankcase is properly managed, reducing the risk of oil leaks, seal failures, and engine damage.

Manufactured from durable, heat- and corrosion-resistant materials, this breather cover withstands the harsh operating conditions typical in diesel engines. It maintains optimal airflow through the crankcase, preventing excessive pressure that can compromise engine performance and longevity.

Ideal for replacement of worn or damaged covers, the 4936347 breather cover is compatible with a wide range of heavy-duty trucks, industrial machinery, and off-highway equipment powered by Cummins diesel engines. OEM-quality construction guarantees a perfect fit, ensuring long-term durability and reliable engine operation.

✔ PRODUCT FEATURES & COMPONENTS

• OEM-quality Cummins Crankcase Breather Cover 4936347

• Provides proper crankcase ventilation and pressure relief

• Prevents oil leaks and seal failures

• Manufactured from durable, heat- and corrosion-resistant materials

• Compatible with multiple Cummins engines: 4 B3.9, 6 B5.9, B4.5, B6.7

• Direct-fit replacement for original part

• Ensures consistent engine performance and reliability

• Ideal for heavy-duty, industrial, and commercial diesel engines

✅ ENGINE COMPATIBILITY

• Cummins 4 B3.9

• Cummins 6 B5.9

• Cummins B4.5

• Cummins B6.7

✅ VEHICLE & EQUIPMENT APPLICATIONS

• Heavy-duty trucks powered by Cummins diesel engines

• Industrial machinery and construction equipment

• Agricultural vehicles with Cummins engines

• Fleet and commercial vehicles

• Engine maintenance and rebuild projects requiring crankcase ventilation replacement

✅ KEY FEATURES & BENEFITS

• Proper Crankcase Ventilation: Maintains engine pressure balance and prevents leaks

• Durable Construction: Resists heat, corrosion, and vibration for long-term use

• OEM Direct Replacement: Fits multiple Cummins engines without modification

• Enhanced Engine Reliability: Reduces risk of oil leaks and seal failures

• Improved Engine Performance: Ensures proper airflow through the crankcase

• Long-Term Durability: Supports heavy-duty diesel applications and industrial use