Ntoauto Water Pump for 1999-2006 Silverado Tahoe Suburban Yukon AW5104 — Direct-Fit, Corrosion-Resistant

The Ntoauto AW5104 replacement water pump restores reliable engine cooling for many 1999–2006 GM trucks and SUVs.

Designed as a direct-fit replacement for a long list of original equipment numbers, this water pump is made to match the performance and mounting pattern of the factory unit. It’s built from corrosion-resistant materials, factory-tested for leaks, and backed by a 12-month assurance policy so you can install it with confidence.

What vehicles is this water pump compatible with?

This pump fits many General Motors platforms from 1999 through 2006, including full-size pickups, SUVs and vans. Check the part numbers and vehicle years to confirm fitment before purchase.

• Compatible models: Silverado, Sierra, Tahoe, Suburban, Yukon, Avalanche, Escalade, Envoy, TrailBlazer, Express, Savana and more
• Coverage years: primarily 1999–2006 applications
• Cross-reference OE numbers such as AW5104, 12456113, 89017439, WP-9409 for exact matches

How does the Ntoauto pump compare to the original equipment part?

The Ntoauto unit is manufactured to match OEM form, fit and function so it installs without modification and connects to existing hoses and pulleys. Materials are chosen to resist wear and corrosion for extended service life.

• Built to OEM-style mounting dimensions and shaft alignment
• Corrosion-resistant housing and tested impeller for durability
• Factory leak and pressure checks to assure sealing performance

What should I expect during installation and maintenance?

Installation follows the same procedure as the factory pump: drain coolant, remove drive accessories as needed, unbolt the old pump and transfer any required hardware or pulleys. After installation, refill with the correct coolant and check for leaks while the engine reaches normal operating temperature.

• Requires basic mechanical tools and coolant handling
• Inspect belt, thermostat and hoses when replacing the pump
• Run engine and verify leak-free operation before finalizing

What warranty and quality checks are included?

Each pump undergoes dimensional, leak and operational inspections before shipment to meet quality expectations. Purchase includes a 12-month assurance for returns or exchanges if issues arise during normal use.

• Quality inspections for sealing and build consistency
• 12-month assurance policy with customer support for questions
• Replacements or exchanges available under the stated assurance terms

Who this is for: Professional mechanics and DIY enthusiasts working on late‑1990s to mid‑2000s GM trucks, SUVs and vans who need a dependable, direct-fit cooling system replacement. If you’re refreshing cooling components during routine service or repairing a failed pump, this Ntoauto AW5104 unit is specified to fit common GM engines and is a practical option when matching OE part numbers and factory mounting are required.