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Gates 42127 Engine Water Pump
Reliable Water Pump Replacement for Mazda 626 and B2000
The Gates Water Pump (Standard) part number 42127 is engineered to provide dependable cooling system performance for Mazda 626 and B2000 models. Designed with durable materials and precise fitment, this engine water pump supports efficient engine temperature regulation.
Key Features of Gates Water Pump 42127
- Housing made from cast aluminum for strength and corrosion resistance
- Stamped steel impeller designed for standard rotation
- Includes water pump, two gaskets, and an o-ring for proper sealing
- Timing belt driven with included pulley for direct compatibility
- Does not include back housing, thermostat, or fan clutch
About the Gates Water Pump (Standard) Product Line
The Gates Water Pump (Standard) line focuses on providing reliable, OEM-quality water pumps that meet original equipment specifications. This product line emphasizes durable construction and precise fitment, ensuring compatibility with specific vehicle models such as the Mazda 626 and B2000. The standard rotation impeller and timing belt drive style are designed to integrate seamlessly with the engine’s cooling system.
Detailed Product Description
This Gates engine water pump features a cast aluminum housing that offers excellent durability and resistance to corrosion, essential for maintaining long-term cooling system integrity. The stamped steel impeller is engineered for standard rotation, matching the original equipment design to ensure proper coolant flow. The pump is driven by the timing belt and includes a pulley, facilitating straightforward installation and reliable operation. Included with the water pump are two gaskets and an o-ring to help achieve a secure, leak-free seal. Note that this unit does not include the back housing, thermostat, or fan clutch, so those components must be sourced separately if needed.
Common Applications and Issues Addressed
- Replacement for failing or leaking water pumps in Mazda 626 and B2000 vehicles
- Resolves overheating caused by inefficient coolant circulation
- Addresses coolant leaks due to worn seals or gaskets
- Prevents engine damage from inadequate cooling system performance
- Restores timing belt driven water pump functionality
Installation Notes and Tips
Ensure the timing belt is properly aligned and tensioned during installation to maintain engine timing accuracy. Use the included gaskets and o-ring to prevent coolant leaks. Verify that the impeller rotation matches the engine’s requirements, which for this pump is standard rotation. Since the back housing, thermostat, and fan clutch are not included, inspect these components separately and replace if necessary to ensure full cooling system reliability.
Quality Assurance and Warranty
Gates water pumps are manufactured to meet or exceed OEM standards, providing reliable performance for Mazda 626 and B2000 models. Part number 42127 undergoes rigorous quality control to ensure durability and fitment accuracy. Warranty details should be confirmed with the product documentation or manufacturer.
| Brand | Gates |
| Part Number | 42127 |
| Position | Water Pump (Standard) |
| Housing Material | Cast aluminum |
| Impeller Material | Stamped steel |
| Impeller Rotation | Standard |
| Includes Back Housing | No |
| Thermostat And Housing Included | No |
| Contents | Water pump, 2 gaskets, o-ring |
| Drive Style | Timing belt |
| Fan Clutch Included | No |
| Pulley Included | Yes |
| Timing Belt Driven | Yes |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1987 | Mazda | 626 | 2.0L | L4 | GAS | N/A | W/Round Tooth Sprockets; Timing Belt Driven; Water Pump (Standard) |
| 1987 | Mazda | B2000 | 2.0L | L4 | GAS | N/A | Timing Belt Driven; Water Pump (Standard) |
| 1986 | Mazda | 626 | 2.0L | L4 | GAS | N/A | W/Round Tooth Sprockets; Timing Belt Driven; Water Pump (Standard) |
| 1986 | Mazda | B2000 | 2.0L | L4 | GAS | N/A | W/Round Tooth Sprockets; Timing Belt Driven; Water Pump (Standard) |
| 1985 | Mazda | 626 | 2.0L | L4 | GAS | N/A | W/Round Tooth Sprockets; Timing Belt Driven; Water Pump (Standard) |
| 1984 | Mazda | 626 | 2.0L | L4 | GAS | N/A | W/Round Tooth Sprockets; Timing Belt Driven; Water Pump (Standard) |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.