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Gates 42256 Engine Water Pump
| Brand | Gates 42256 |
|---|---|
| Housing Material | Cast aluminum |
| Impeller Material | Cast iron |
| Impeller Rotation | Reverse |
| Includes Back Housing | No |
| Thermostat And Housing Included | No |
| Contents | Water pump, gasket, o-ring |
| Drive Style | Timing belt |
| Fan Clutch Included | No |
| Pulley Included | Yes |
| Timing Belt Driven | Yes |
| Product line | Water Pump (Standard) |
| Fits | Toyota · 6 vehicles |
OE-quality fit. Built for worry-free operation and a direct replacement experience.
Cast aluminum housing. Lightweight construction helps support reliable cooling performance.
Timing belt driven. Engineered for precise water pump operation.
Cross-references Airtex AW9320, Dorman - HELP 20717 and Gates 42256 for the same application. See all 25.
Gates 42256 Water Pump for Toyota Timing Belt Applications
The Gates 42256 engine water pump is a standard replacement for select Toyota 4Runner and Toyota Pickup models with timing belt-driven cooling systems. Built with a cast aluminum housing, cast iron impeller, and reverse rotation design, it supports reliable coolant circulation in the applications listed below.
Key Features
- Part number 42256 from Gates Water Pump (Standard) line
- Cast aluminum housing for durable construction
- Cast iron impeller with reverse rotation
- Timing belt driven design
- Pulley included
- Includes water pump, gasket, and O-ring
- 100% functional testing of seals and bearings
- 100% leakage testing of the casting and assembled pump
Product Details
Gates 42256 is an OE-quality engine water pump built for timing belt-driven Toyota cooling systems. The standard water pump line focuses on direct-fit replacement construction, using premium alloy materials and factory-style testing to verify seal, bearing, and leak performance before shipment. This part is listed for 1993-1995 Toyota 4Runner and 1993-1995 Toyota Pickup applications, including 1993 Toyota Pickup without oil cooler and 1993-1995 Toyota 4Runner without oil cooler. If you are searching for a Toyota 4Runner water pump or Toyota Pickup timing belt water pump, part number 42256 is the reference to use.
This part cross-references Airtex AW9320 and GMB 170-2350 for the same application.
Common Problems This Part Can Address
- Coolant leaks from a worn water pump housing or seal
- Overheating caused by reduced coolant circulation
- Noise from failing pump bearings
- Coolant loss at the pump mounting area
- Poor cooling performance in timing belt-driven Toyota engines
Installation Notes and Tips
Verify engine configuration before installation, especially oil cooler and timing belt-driven application details. Replace the gasket and O-ring supplied with the pump, and inspect the timing belt system, pulley alignment, and adjacent cooling components during service. Because this is a reverse-rotation, timing belt-driven water pump, confirm the replacement matches the original pump design before installation on your Toyota 4Runner or Toyota Pickup.
Quality Assurance
Gates manufactures this water pump with premium alloy materials and performs full functional testing of seals and bearings, along with leakage testing of both the casting and assembled unit. The result is a replacement built to OE-quality fit standards for the listed Toyota applications.
| Year | Make | Model | Transmission | Liters | Cylinders | Fuel Type | Notes |
|---|---|---|---|---|---|---|---|
| 1995 | Toyota | 4Runner | — | 3.0L | V6 | GAS | W/O Oil Cooler; Available Until Stock Depleted; Timing Belt Driven; Water Pump (Standard) |
| 1995 | Toyota | Pickup | Automatic | 3.0L | V6 | GAS | Timing Belt Driven; Water Pump (Standard) |
| 1994 | Toyota | 4Runner | — | 3.0L | V6 | GAS | W/O Oil Cooler; Available Until Stock Depleted; Timing Belt Driven; Water Pump (Standard) |
| 1994 | Toyota | Pickup | Automatic | 3.0L | V6 | GAS | Timing Belt Driven; Water Pump (Standard) |
| 1993 | Toyota | 4Runner | — | 3.0L | V6 | GAS | W/O Oil Cooler; Available Until Stock Depleted; Timing Belt Driven; Water Pump (Standard) |
| 1993 | Toyota | Pickup | — | 3.0L | V6 | GAS | W/O Oil Cooler; Available Until Stock Depleted; Timing Belt Driven; Water Pump (Standard) |
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