ACDelco 252-898 Welded Water Pump for 2006–2016 GM 6.6L Duramax LBZ/LMM/LML Diesel Engines

Description

Built to outperform the factory design, this welded ACDelco 252-898 / GM 10386797 water pump is the ultimate upgrade for 2006–2016 Duramax diesel engines. A factory defect in OEM pumps — where the impeller is only press-fit — can lead to overheating and failure. This upgraded version features a welded impeller shaft for maximum strength and reliability.

Designed for performance, towing, or stock applications that demand durability.

Features:
– Genuine ACDelco 252-898 water pump core with welded impeller
– Eliminates shaft slippage under load or high RPM
– Drop-in fit with no modifications needed
– Includes new gasket and O-rings
– Ideal for tuned or high-mileage Duramax trucks

Fitment:
2006–2007 Chevy/GMC 2500HD/3500 (6.6L Duramax LBZ)
2007.5–2010 Chevy/GMC 2500HD/3500 (6.6L Duramax LMM)
2011–2016 Chevy/GMC 2500HD/3500 (6.6L Duramax LML)

Part Numbers:
GM: 10386797 | ACDelco: 252-898

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