ACDelco Gold 252-846 (19195105) Engine Water Pump with Gasket Kit — Direct-Fit, Sealed Bearings

The ACDelco Gold 252-846 (19195105) engine water pump is a premium aftermarket coolant pump designed to restore reliable circulation and maintain proper engine temperature.

Built to ACDelco Professional standards, this replacement water pump supplies the seals, gaskets, and O-rings needed for a complete installation. Engineered for fit, durability, and leak-free performance, it replaces worn or failing pumps on a wide range of vehicles, including many GM models and select non-GM applications.

How does this water pump improve engine cooling?

The ACDelco Gold pump restores efficient coolant flow through the engine block and radiator, helping keep operating temperatures within intended ranges. Its heat-treated shaft and sealed bearings reduce the risk of premature wear that can impede flow.

• Precision-machined impeller for consistent coolant movement
• Heat-treated shaft assemblies for higher strength and longevity
• Permanently sealed, lubricated bearings to minimize friction and failure

What makes this an ACDelco Professional/Gold-level part?

This unit is part of ACDelco’s Gold/Professional lineup, meaning it’s manufactured to meet strict specifications for fit, form, and function. Components such as coated seals and quality bearings are selected to extend service life compared with economy replacements.

• Coated seals to resist wear and extend sealing life
• Thorough testing for leak-free, reliable performance
• Comprehensive hardware included for a complete replacement job

Which vehicles will this pump fit and how easy is installation?

The 252-846 (19195105) pump fits many GM vehicles and a variety of non-GM models where the same pump design is required. A full gasket and hardware kit comes in the package so you have the necessary parts for a trouble-free swap; compatibility should be confirmed by VIN or parts lookup before purchase.

• Designed for direct-fit on specified OEM applications
• Includes gaskets, O-rings, and seals needed for installation
• Recommended to verify fitment with vehicle year, make, model, and engine code

How does this water pump resist leaks and mechanical failure?

Leak resistance comes from coated seals and precisely matched mating surfaces, while durability is supported by heat-treated shafts and permanently lubricated bearings. These features reduce common failure modes like shaft wear, bearing seizure, and seal breakdown.

• Coated seal surfaces for improved leak resistance
• Heat-treated shaft to prevent deformation under load
• Sealed bearings retain lubricant and reduce contamination risk

Who is this for? The ACDelco Gold 252-846 (19195105) water pump is aimed at technicians, DIY mechanics, and vehicle owners seeking a durable, direct-fit replacement that matches ACDelco Professional standards. It’s a strong choice when replacing a failing pump on supported GM and compatible non-GM vehicles, particularly when you want OEM-caliber fitment, included installation hardware, and components designed for longer service life. Always confirm compatibility with your vehicle’s specifications before ordering.