Water Pump 3803403 4955708 for Cummins Engine L10E M11 ISM

As a leading US manufacturer and supplier of heavy-duty engine components, US Perfect Auto Parts & Supplies Inc. has decades of experience delivering turbochargers, water pumps, and related parts to global markets. With a focus on in-stock availability and wholesale capabilities, we support clients with rapid delivery and bulk order solutions, ensuring efficient supply chain management for Water Pump 3803403 4955708 for Cummins Engine L10E M11 ISM.

Crafted from high-strength cast iron with advanced precision machining, this water pump is designed as an OEM-equivalent replacement for Cummins L10E, M11, and ISM engines. It undergoes rigorous bench testing to ensure stable coolant flow and pressure resistance across varying loads, from light-duty transport to heavy industrial operations. The design prioritizes exact fitment and long-term reliability, serving as a trusted alternative to original parts with OEM numbers 3803403, 3800737, 4003929, and 4955708.

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Designed for commercial trucks, construction machinery, and industrial equipment powered by Cummins L10E/M11/ISM engines, this water pump delivers consistent cooling performance in diverse environments, from urban delivery fleets to heavy-load construction sites. Built with stringent quality control processes, it offers a durable replacement option for fleet maintenance teams, aftermarket distributors, and repair workshops. The precision-engineered design matches OEM specifications, ensuring seamless compatibility for direct replacements or large-scale bulk orders. With US-based inventory and wholesale capabilities, it provides fast turnaround for customers seeking reliable, high-quality engine components with efficient logistics support.