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US Motor Works US8158 Engine Water Pump
| Brand | US Motor Works US8158 |
|---|---|
| Fits | Chevrolet · 9 vehicles |
Engine water pump. Circulates coolant to help maintain proper engine temperature.
Includes sealing devices. Helps support a secure installation with the needed seals.
Cross-references 12638455, 12645159 and 12681167 for the same application. See all 4.
Engine Water Pump for Chevrolet Volt
US Motor Works US8158 is an engine water pump for select Chevrolet Volt applications. It is listed for 2016, 2018, and 2019 Volt models, with a 2016-2017 application note calling out the pump only configuration. The unit includes installation sealing devices for a proper cooling system service.
Key Features
- Engine water pump for Chevrolet Volt cooling system service
- Includes installation sealing devices
- Direct-fit application coverage for 2016, 2018, and 2019 Volt models
- US Motor Works part number US8158
- Cross-references GM OE numbers 12638455 and 12645159 for the same application
Product Details
US8158 is built for the engine cooling circuit and is used to circulate coolant through the system to maintain operating temperature. For Chevrolet Volt owners searching for a replacement engine water pump, this part number provides fitment coverage across the listed model years and supports service work where the original pump has worn, leaked, or lost pumping efficiency. The 2016-2017 note indicates the pump-only configuration, which is important when matching the correct service part for the vehicle.
Common Reasons for Replacement
- Coolant leakage at the pump housing or sealing surfaces
- Overheating caused by reduced coolant circulation
- Noise or bearing wear from the existing water pump
- Cooling system service on a 2016 Chevrolet Volt or 2018-2019 Chevrolet Volt
Installation Notes
Verify the vehicle year and application note before installation. Replace worn sealing surfaces as needed and follow the manufacturer service procedure for coolant refill and bleeding after installation. Confirm the pump-only configuration on 2016-2017 Chevrolet Volt applications before ordering.
Quality Assurance
US Motor Works supplies replacement cooling components for automotive service applications. Part number US8158 is cataloged for the listed Chevrolet Volt fitments and cross-references OE numbers 12638455, 12645159, 12681167, and 12681173.
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2019 | Chevrolet | Volt | Premier | N/A | — |
| 2019 | Chevrolet | Volt | LT | N/A | — |
| 2018 | Chevrolet | Volt | Premier | N/A | — |
| 2018 | Chevrolet | Volt | LT | N/A | — |
| 2017 | Chevrolet | Volt | Premier | N/A | Engine Water Pump - Pump only |
| 2017 | Chevrolet | Volt | LT | N/A | Engine Water Pump - Pump only |
| 2016 | Chevrolet | Volt | Premier | N/A | Engine Water Pump - Pump only |
| 2016 | Chevrolet | Volt | LTZ | N/A | — |
| 2016 | Chevrolet | Volt | LT | N/A | Engine Water Pump - Pump only |
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