Gear Cover Cummins 3948044 | 3943751

High-Performance Gear Cover for Cummins Engines

The Cummins 3948044 Gear Cover is a critical structural component designed to house and protect the front gear train of heavy-duty diesel engines. By providing a robust, sealed enclosure, it shields sensitive timing components from external contaminants like dust, dirt, and moisture, ensuring the long-term reliability of your engine’s drivetrain.

Key Features and Benefits

• Superior Protection: Encases the front gear mechanism to prevent wear caused by debris and environmental factors.
• Leak Prevention: Engineered with precise sealing surfaces to contain engine oil, maintaining proper lubrication and cooling for moving parts.
• Durable Construction: Manufactured from high-strength materials capable of withstanding the intense vibrations and thermal stress of heavy-duty operation.
• Structural Integrity: Helps maintain the alignment of the front gear assembly, which is essential for accurate engine timing.

Engine Compatibility

This gear cover is designed for a wide range of Cummins mid-range and heavy-duty engines, including:

• 6C8.3 and QSC8.3 (CM554)
• ISC (CM554)
• ISL (CM554) and ISL9 (CM2150 SN)
• QSL9 (CM554, CM850, CM2850)
• L8.9 (L121) and L9.3 (L105)

Technical Specifications

• Weight: 7.97 lb
• Dimensions: 11.0 x 23.0 x 3.5 inches
• Part Number: 3948044
• Cross Reference: 3943751