ACDelco Gold Engine Water Pump 252-901 (19253263) — Direct-Fit with Complete Gasket Kit

The ACDelco Gold 252-901 (19253263) is a premium aftermarket engine water pump designed to circulate coolant reliably and restore proper engine temperature control.

This professional-grade replacement water pump from ACDelco is built to match factory fit, form, and function while offering durable components and a complete installation kit. It includes gaskets, seals, and O-rings so you receive all necessary parts for a straightforward swap. Engineered and tested to meet the demands of daily driving, this pump is suitable for a broad range of GM and non-GM applications where the 252-901 (19253263) specification is required.

How does the ACDelco Gold 252-901 maintain engine temperature?

The pump circulates coolant through the engine block and radiator to dissipate heat and keep operating temperatures within the intended range. Its heat-treated shaft and high-quality, permanently sealed bearings reduce the risk of premature wear, sustaining flow and pressure under varied driving conditions.

• Precisely machined impeller and smooth coolant-flow cavities for efficient circulation
• Heat-treated shaft for improved strength and reduced deformation
• Sealed, lubricated bearings for consistent rotation and long life
• Coated seals to resist leaks and extend service intervals

What features support trouble-free installation?

This water pump ships with the necessary installation hardware—gaskets, seals, and O-rings—so you won’t need to hunt for additional parts. The pump’s design targets direct-fit replacement, minimizing modification and fitment issues during installation.

• Complete gasket and seal kit included for accurate sealing
• Uniform wall sections and castings to ease alignment and mounting
• Application-specific cast-iron or aluminum housing to match vehicle requirements
• Thorough factory testing for leak-free performance out of the box

Which durability improvements does this pump offer over budget alternatives?

ACDelco’s Gold series emphasizes component quality to extend service life compared with lower-cost pumps. Improved materials and assembly processes—like coated sealing surfaces and heat-treated shafts—help resist common failure modes such as corrosion, seal degradation, and bearing fatigue.

• Coated seals that resist chemical and thermal wear
• Heat-treated shaft assemblies for enhanced torsional strength
• High-grade bearings permanently lubricated against contamination
• Tested for reliable, leak-free operation before shipping

Will this pump fit my vehicle and how do I confirm compatibility?

The ACDelco Gold 252-901 (19253263) is offered as a direct-fit option for many GM models and a wide selection of non-GM vehicles that share the same pump specification. Always verify fitment with your vehicle’s VIN, year, make, model, and engine code before purchase to ensure correct application.

• Check product cross-reference or vehicle compatibility tool with VIN
• Compare part number 252-901 / 19253263 with your original pump number
• Confirm housing material (cast iron or aluminum) matches factory part
• Inspect included gaskets and O-rings versus removed parts during installation

Who is this for: The ACDelco Gold 252-901 (19253263) is intended for vehicle owners, mechanics, and fleet managers seeking a dependable, high-quality aftermarket water pump that closely follows OEM specifications. It's well suited to anyone replacing a failing pump, performing routine cooling-system maintenance, or upgrading to a more durable component for long-term reliability. If you need a direct-fit solution with comprehensive installation parts and proven test standards, this pump is a practical, professional choice.