Cummins Valve Stem Seal C3927642 – Genuine DCEC Engine Seal
The Cummins Valve Stem Seal C3927642 is a precision sealing part designed to control the flow of oil between the valve stem and the guide. By maintaining the correct oil level around the valve, it helps prevent leaks, reduces smoke, and keeps the engine running clean. Choosing genuine Cummins and DCEC parts ensures lasting durability and reliable performance.
🔧 Specifications
- Part Name: Valve Stem Seal
- Part Number: C3927642
- Brand: Cummins / DCEC
- Function: Controls oil passage at the valve stem
- Application: Heavy-duty diesel engines
⭐ Key Features
This seal is made with high-quality materials that withstand heat, pressure, and friction. Because of its precise fit, it limits oil loss and prevents excess deposits on the valves. As a result, the engine burns fuel more cleanly, emissions remain lower, and efficiency improves over time.
⚙️ Technical Insights
Engines rely on accurate valve operation for proper combustion. If the seal fails, oil may leak into the combustion chamber, leading to smoke, carbon build-up, and higher fuel use. The C3927642 valve stem seal protects against these problems by ensuring a tight and durable seal. Mechanics often replace it during cylinder head servicing to restore original performance.
🛠 Application Scenarios
The Cummins C3927642 seal is widely used in trucks, buses, marine engines, and construction machines powered by Cummins diesel engines. It is especially important in engines that run long hours, where oil control plays a big role in keeping performance stable.
📦 Availability
We supply the Cummins Valve Stem Seal C3927642, DCEC with worldwide delivery. To confirm proper fitment for your Cummins engine, share your Engine Serial Number (ESN), and our support team will assist you with verification.
