ACDelco Gold Engine Water Pump 252-822 (89036357) — includes gaskets & coated seals for OEM fit

ACDelco Gold 252-822 (89036357) Engine Water Pump is a premium aftermarket pump engineered to circulate coolant reliably and replace the factory unit with proper fit, seals, and installation parts included.

This ACDelco Professional water pump is built as a high-quality replacement for many GM and non-GM vehicles, offering the components needed for a straightforward installation. It arrives with gaskets, seals, and O-rings so you have the necessary hardware for a leak-free assembly. The pump is tested for dependable performance and uses coated seals to help resist wear over time.

How does this water pump support engine cooling under typical driving?

The pump moves coolant through the engine and radiator to help regulate operating temperature during city driving, highway cruising, and towing. Its impeller and housing are designed to deliver steady flow matching vehicle factory specifications so the cooling system can do its job efficiently. Using a pump that fits correctly reduces the chance of leaks and overheating caused by poor circulation.

• Engineered to meet OEM fit, form, and flow for compatible models
• Coated seals and quality materials for consistent coolant circulation
• Includes gaskets, seals, and O-rings for complete installation
• Thoroughly tested for leak-free operation before shipping

Which vehicles does the ACDelco Gold 252-822 fit and how do I confirm compatibility?

This part is vehicle-specific and commonly replaces the factory pump on many Chevrolet, GMC, Hummer, and Buick trucks and SUVs from the early 2000s to early 2010s. Confirm fit by checking your OEM part number or cross-referencing year, make, model, and engine code with the seller’s compatibility tool. If you’re unsure, provide VIN details to ensure the correct application.

• Fits Hummer H3 and H3T model years listed
• Fits Chevrolet Colorado, Trailblazer, and related models
• Fits GMC Canyon, Envoy, and similar vehicles in the fit list
• Check VIN or OEM part number to verify exact compatibility

What installation parts are included and what should a DIYer expect?

The pump ships with all necessary gaskets, O-rings, and seals required for a standard replacement so you won’t need to hunt down extra pieces. Routine tasks include draining coolant, removing the drive accessory components if applicable, swapping the old pump, and then refilling and bleeding the cooling system. Basic mechanical skill and common tools are sufficient, but follow torque specs and sealing procedures to avoid leaks.

• Packaged gaskets, seals, and O-rings for a complete swap
• Recommended tools: socket set, torque wrench, coolant drain pan
• Service steps: drain, remove accessories, replace pump, refill and bleed coolant
• Follow vehicle-specific torque and sealing instructions to prevent leaks

How does this ACDelco pump compare to an OEM replacement?

The ACDelco Professional Gold-level pump is manufactured to match the fit and function of the original pump while often offering upgraded sealing coatings and thorough testing. It’s positioned as a premium aftermarket option—designed to meet factory flow and mounting points but delivered with the extra convenience of included installation hardware. For many owners it balances cost and long-term reliability compared with buying a dealer-sourced OEM unit.

• Meets OEM fit and critical performance characteristics
• Coated seals aimed at improved durability over time
• Includes installation gaskets and O-rings not always bundled with OEM pumps
• Industry testing for leak-free performance prior to sale

Who is this for: Drivers and mechanics who need a direct-fit, quality replacement water pump for compatible GM and related vehicles—especially owners performing a repair or routine maintenance who want a professionally tested, ready-to-install part with all required gaskets and seals included. It’s suitable for DIY installers, independent shops, and fleet maintenance teams seeking reliable coolant circulation components without sourcing separate installation hardware.