Cummins Camshaft 3954099 – Precise valve timing for stable engine performance

The Cummins Camshaft 3954099 is designed to control valve timing accurately, which directly affects engine power, efficiency, and operating stability. As a core rotating component within Cummins parts, this camshaft coordinates intake and exhaust events to keep combustion smooth and balanced. In addition, it is manufactured to Cummins genuine paers standards, which ensures correct fit, reliable timing profiles, and long service life. Although it operates inside the engine block, the camshaft has a strong influence on fuel use, emissions behavior, and engine response. Therefore, technicians often select this camshaft for engine rebuilds, timing system repairs, or major maintenance projects. At the same time, precise camshaft operation helps reduce stress on valves, lifters, and related components.

🔩 Specifications

• Part number: 3954099

• Product type: Engine camshaft

• Brand compatibility: Cummins engines

• System location: Engine valve train system

• Primary function: Controlling valve opening and closing timing

• Quality level: Cummins genuine paers compliant

⭐ Key Features

First, this camshaft provides accurate and stable valve timing across operating ranges. In addition, it supports smooth airflow into and out of the cylinders. Moreover, the hardened surface resists wear during long service hours. As a result, timing accuracy remains consistent over time. Also, the precision-machined lobes promote smooth contact with valve train components. Because it belongs to trusted Cummins parts, users can expect dependable performance during extended engine operation.

⚙️ Technical Insights

The Cummins Camshaft 3954099 rotates in sync with the crankshaft and drives valve motion through the valve train. Therefore, it plays a central role in combustion efficiency and engine balance. At the same time, accurate cam profiles help maintain consistent lift and duration, which supports stable power output. When technicians install a new camshaft, valve timing accuracy improves quickly. Consequently, engine response becomes smoother and mechanical noise often decreases. Since it follows Cummins genuine paers design rules, it aligns precisely with original bearings, gears, and timing components.

🛠 Application Scenarios

This camshaft is widely used in industrial engines, generator sets, and heavy-duty equipment. For example, it supports engines that operate for long hours under steady or variable load. Likewise, it fits repair work related to worn lobes, timing issues, or full engine overhaul projects. Service teams rely on Cummins parts like this camshaft to restore correct valve timing and reduce future maintenance risk. Across these applications, Cummins genuine paers help maintain reliable engine operation and consistent performance.

📦 Availability

This camshaft is in stock and available for global shipping. To ensure correct fitment with your Cummins parts configuration, please provide your engine serial number (ESN). Our support team is ready to assist with verification and confirm compatibility with Cummins genuine paers before shipment.