25838900, 23134137, 84144840, 84166745, 15-40580, 15-40513, 1540513 – Direct OE replacement electronic viscous fan clutch fits for GM 6.6L Duramax Diesel engines.

Wide Equipment Compatibility – Specifically fits for 2011-2016 Silverado 2500/3500 HD Sierra 2500/3500 HD equipped with 6.6L Duramax V8 Diesel LML engine. This is an engine cooling fan clutch assembly only. WILL NOT FIT 6.0L gasoline models or previous generation 6.6L LLY/LBZ engines. Please verify your vehicle year, model, engine type (6.6L Diesel LML), and original part number BEFORE ordering.
Plug-and-Play Installation: Direct bolt-on replacement with factory mounting points and electrical connector. Installation is straightforward
Quality Assured: Built with durable materials and rigorously tested to ensure reliable, long-lasting performance.
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