Compression Piston Ring 3976339 – Reliable Cylinder Sealing Support for Cummins Engine Systems

The Compression Piston Ring 3976339 is designed to provide effective sealing between the piston and cylinder wall in compatible Cummins diesel engine systems. It helps maintain compression pressure, reduce gas leakage, and support efficient combustion during engine operation. As a practical replacement component for Cummins applications, this piston ring provides a dependable solution for engine repair and maintenance. In addition, proper piston ring performance helps improve engine efficiency and supports long-term durability.

🔩 Specifications

• Part Number: 3976339
• Product Type: Compression Piston Ring
• Application: For Cummins diesel engine systems
• Function: Seals the combustion chamber between piston and cylinder wall
• Designed to maintain proper compression pressure
• Helps reduce combustion gas leakage and oil consumption
• Supports efficient combustion and engine performance
• Suitable for compatible Cummins engine applications
• Manufactured according to required performance standards for engine components

⭐ Key Features

• Provides reliable sealing performance inside the cylinder.
• Helps maintain stable compression during engine operation.
• Durable construction supports high-temperature and high-pressure conditions.
• Helps reduce blow-by and improve combustion efficiency.
• Supports proper piston movement and cylinder performance.
• Designed for compatibility with selected Cummins engine systems.
• Provides a practical replacement solution for worn piston ring components.

⚙️ Technical Insights

The Compression Piston Ring 3976339 plays an important role in maintaining cylinder sealing within compatible Cummins engine systems. As a result, it helps keep combustion pressure inside the cylinder and supports efficient fuel combustion. Moreover, proper sealing reduces gas leakage and helps protect engine performance during different load conditions.
In addition, piston rings operate under continuous friction, high temperatures, and repeated movement. Therefore, selecting a suitable compression ring for Cummins applications helps maintain proper fitment and reliable engine performance. Furthermore, replacing worn piston rings can help restore compression efficiency and reduce issues caused by excessive wear or poor sealing.

🛠 Application Scenarios

The Compression Piston Ring 3976339 is suitable for compatible Cummins diesel engines used in trucks, construction equipment, agricultural machinery, mining equipment, generators, and industrial power systems. It is commonly used during engine overhaul, cylinder repair, and piston assembly maintenance where reliable compression sealing is required.
Moreover, repair technicians can use this component to help restore cylinder performance and improve engine reliability. Likewise, equipment owners and maintenance teams can select suitable Cummins application components to support stable engine operation in commercial and heavy-duty environments.

📦 Availability

Available for your Cummins engine maintenance and replacement needs.
To ensure correct fitment with your Cummins engine configuration, please provide your engine model and serial number (ESN). Our support team is ready to assist with compatibility verification and help you find the correct component solution for your equipment.