Cummins Idler Pulley C2874071 DCEC – Smooth belt control for reliable drive systems

The Cummins Idler Pulley C2874071 DCEC plays an important role in guiding and stabilizing the accessory drive belt. As part of the Cummins parts portfolio, it helps keep belt alignment steady, which supports smooth power transfer across engine accessories. Moreover, it is manufactured in line with Cummins genuine paers guidelines and linked to DCEC parts standards, ensuring consistent fit and dependable operation. Although it is a supporting component, it directly affects belt life and system stability. Therefore, it is widely used in maintenance and repair work. At the same time, its solid construction supports long-term service under regular engine loads.

🔩 Specifications

• Part number: C2874071

• Product type: Idler pulley

• Brand compatibility: Cummins engines

• System location: Accessory drive and belt system

• Manufacturing reference: DCEC parts standards

• Quality level: Cummins genuine paers compliant

⭐ Key Features

First, this idler pulley helps maintain correct belt tension and alignment, which reduces uneven wear. In addition, it supports smooth belt movement, so friction and noise are lowered. Furthermore, the pulley design helps protect nearby components from vibration. As a result, overall drive system reliability improves. Also, it allows straightforward replacement during routine service. Because it belongs to trusted Cummins parts and DCEC parts, service planning becomes easier.

⚙️ Technical Insights

The Cummins Idler Pulley C2874071 DCEC works by guiding the belt along its correct path while supporting stable rotation. Therefore, it helps balance load across the belt system. Meanwhile, the internal bearing structure supports smooth movement under changing speeds. Compared with worn pulleys, installing a new unit helps restore proper belt tracking. Consequently, accessory performance becomes more consistent. Since it follows Cummins genuine paers design expectations, it integrates well with original engine layouts.

🛠 Application Scenarios

This idler pulley is commonly used in industrial engines, generator sets, and heavy-duty equipment. For example, it supports alternator, water pump, and fan drive systems. Likewise, fleet maintenance teams choose Cummins parts like this to reduce belt-related downtime. In addition, engine overhaul projects often include replacement of DCEC parts to restore factory-level performance. Across these scenarios, stable belt control supports efficient engine operation.

📦 Availability

This idler pulley 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 to confirm compatibility with Cummins genuine paers and DCEC parts requirements.