OE Quality
60-Day Returns

InMotion WU1127 Engine Water Pump
Engine Water Pump for Isuzu and Chevrolet
Restore cooling system performance with the InMotion WU1127 engine water pump. This OE-fit replacement is built for select Isuzu and Chevrolet applications, including Isuzu Impulse, Pickup, I-Mark, Trooper, and Chevrolet LUV models. The WU1127 is engineered for steady coolant circulation, reliable sealing, and consistent operation in demanding driving conditions.
Key Features
- Precision-machined impeller for efficient coolant flow
- High-quality bearings and seals for smooth, leak-resistant operation
- Corrosion-resistant housing for long service life
- OEM-style fit for straightforward installation
- Direct replacement water pump for cooling system service
Detailed Description
The InMotion WU1127 is an engine water pump designed to maintain proper coolant movement through the engine and radiator. It is a direct-fit replacement for 1976-1987 Chevrolet LUV, 1981-1987 Isuzu Pickup, 1981-1985 Isuzu I-Mark, 1983-1987 Isuzu Impulse, and 1984-1985 Isuzu Trooper applications. Built with a precision-machined impeller, durable bearings, and dependable seals, this water pump supports stable engine temperatures and helps reduce the risk of overheating. The corrosion-resistant housing adds durability for long-term use in harsh operating environments. If you are searching for a water pump for a Chevrolet LUV or an Isuzu Pickup cooling system repair, WU1127 provides the fit and function needed for service work.
What It Helps Address
- Engine overheating caused by weak coolant circulation
- Coolant leaks from worn pump seals
- Noise or rough operation from failing pump bearings
- Reduced cooling performance in aging Isuzu and Chevrolet engines
- Cooling system service on high-mileage vehicles
Installation Notes and Tips
Before installation, inspect the thermostat, drive belt, hoses, and coolant condition so the new pump is not installed into a compromised cooling system. Clean the mounting surface thoroughly and verify gasket sealing surfaces are free of corrosion or old material. Confirm application details for your specific Isuzu Impulse, Isuzu Pickup, Isuzu I-Mark, Isuzu Trooper, or Chevrolet LUV before ordering. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Quality Assurance
InMotion designs this water pump with durable internal components and a corrosion-resistant housing to support dependable cooling system performance. The WU1127 is built for OEM-style fitment and consistent operation across the listed vehicle applications.
This part fits 26 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1987 | Isuzu | Impulse | 1.9L | L4 | N/A | ||
| 1987 | Isuzu | Pickup | 1.9L | L4 | N/A | ||
| 1986 | Isuzu | Impulse | 1.9L | L4 | N/A | ||
| 1986 | Isuzu | Pickup | 1.9L | L4 | N/A | ||
| 1985 | Isuzu | I-Mark | 1.8L | L4 | GAS | N/A | |
| 1985 | Isuzu | Impulse | 1.9L | L4 | N/A | ||
| 1985 | Isuzu | Pickup | 1.9L | L4 | N/A | ||
| 1985 | Isuzu | Trooper | 1.9L | L4 | N/A | ||
| 1984 | Isuzu | I-Mark | 1.8L | L4 | GAS | N/A | |
| 1984 | Isuzu | Impulse | 1.9L | L4 | N/A | ||
| 1984 | Isuzu | Pickup | 1.9L | L4 | N/A | ||
| 1984 | Isuzu | Trooper | 1.9L | L4 | N/A | ||
| 1983 | Isuzu | I-Mark | 1.8L | L4 | GAS | N/A | |
| 1983 | Isuzu | Impulse | 1.9L | L4 | N/A | ||
| 1983 | Isuzu | Pickup | 1.9L | L4 | N/A | ||
| 1982 | Chevrolet | LUV | 1.8L | L4 | N/A | ||
| 1982 | Isuzu | I-Mark | 1.8L | L4 | GAS | N/A | |
| 1982 | Isuzu | Pickup | 1.8L | L4 | N/A | ||
| 1981 | Chevrolet | LUV | 1.8L | L4 | N/A | ||
| 1981 | Isuzu | I-Mark | 1.8L | L4 | GAS | N/A | |
| 1981 | Isuzu | Pickup | 1.8L | L4 | N/A | ||
| 1980 | Chevrolet | LUV | 1.8L | L4 | N/A | ||
| 1979 | Chevrolet | LUV | 1.8L | L4 | N/A | ||
| 1978 | Chevrolet | LUV | 1.8L | L4 | N/A | ||
| 1977 | Chevrolet | LUV | 1.8L | L4 | N/A | ||
| 1976 | Chevrolet | LUV | 1.8L | L4 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.