Gear Housing Cummins 3916380 | 3926518

Cummins 3916380 Gear Housing for Heavy-Duty Engines

The Cummins 3916380 Gear Housing is a critical structural component designed to enclose and protect the front gear train of your heavy-duty diesel engine. By providing a sealed, controlled environment, this housing safeguards internal gears from external contaminants such as dirt, dust, and moisture, which can cause premature wear and component failure. This part is also available under the numbers: 3926518.

Engineered for maximum durability, the 3916380 gear housing plays a vital role in maintaining proper lubrication and ensuring precise alignment of the front gear, camshaft, and oil pump drive gears. Whether used in a short block or a complete long block configuration, this housing interfaces seamlessly with the engine cover to maintain structural integrity and prevent oil leaks under high-stress commercial operations.

Key Features & Benefits

• Heavy-Duty Construction: Manufactured from high-grade alloy materials to withstand extreme thermal stress and mechanical vibration.
• Precise Alignment: Ensures perfect synchronization of the front gear train, reducing friction and extending engine life.
• Contamination Protection: Seals out debris and moisture, maintaining the purity of the engine’s lubrication system.
• Direct Fit Integration: Features precision-machined mounting points for a secure, leak-free seal with the engine block and cover.

Applications & Compatibility

This gear housing is specifically designed for compatibility with Cummins diesel engines, including the 6C8.3, C8.3 G, and 6CT/6CT240 series. It is widely used in commercial trucks, construction machinery, and heavy-duty industrial equipment where reliable power transmission is essential.

Product Specifications

• Weight: 39.68 lb
• Package Dimensions: 9.06 x 9.06 x 2.36 in

Cross-Reference / Interchange Part Numbers

This part replaces / is interchangeable with the following part numbers:

• 3916380
• 3926518