The XDP X-TRA Cool Water Pump (With Housing) XD666 is a high-quality replacement for the failed water pump on your GM 6.6 LB7/LLY Duramax engine. This Water Pump comes with the housing which is known to leak or erode due to cavitation and or corrosion in the cooling system.
This is a direct-fit replacement that includes the necessary seals for a hassle-free installation. Each pump is manufactured to factory specifications giving you a factory fit and function.
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