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US Motor Works US9031 Engine Water Pump
| Brand | US Motor Works US9031 |
|---|---|
| Fits | Nissan · 48 vehicles |
Engine water pump. Restores coolant circulation for dependable engine cooling.
Installation sealing devices. Included for a cleaner, more complete replacement.
Cross-references Airtex AW9031, BBB Industries 42178 and 21010-80W26 for the same application. See all 12.
Engine Water Pump for Nissan Applications
US Motor Works US9031 is an engine water pump for select Nissan vehicles from the late 1970s through the late 1980s. It includes installation sealing devices and is built for direct replacement service on listed Nissan D21, Pathfinder, 720, 510, and 200SX applications.
Key Features
- Engine water pump for cooling system service
- Includes installation sealing devices
- Direct-fit replacement for listed Nissan applications
- Cross-references Airtex AW9031 and Gates 42178
- Part number: US9031
Detailed Description
US Motor Works US9031 is an engine water pump for Nissan cooling system repair and maintenance. It is listed for 1977-1989 Nissan 200SX, 1978-1980 Nissan 510, 1980-1983 Nissan 720, 1987-1989 Nissan D21, and 1987-1988 Nissan Pathfinder applications, with notes for fan clutch or air conditioning on certain vehicles. This part number, US9031, is a practical replacement choice when servicing a Nissan D21 water pump, Nissan Pathfinder water pump, or Nissan 200SX cooling system.
This part cross-references Airtex AW9031 and Gates 42178 for the same application.
What It Helps Fix
- Coolant leaks at the water pump housing
- Overheating caused by pump wear or reduced circulation
- Noisy or rough pump operation
- Cooling system service on Nissan D21, Pathfinder, 720, 510, and 200SX models
Installation Notes and Tips
- Verify engine configuration and listed notes before installation.
- Replace worn sealing surfaces and clean the mounting area before fitting the pump.
- Follow the vehicle service manual for coolant refill and bleed procedures.
- Confirm fan clutch or air conditioning requirements where noted in the fitment list.
Quality Assurance
US Motor Works supplies this water pump with installation sealing devices included for service-ready installation on the listed Nissan applications.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1989 | Nissan | D21 | XE | — | — | N/A | Includes fan clutch |
| 1989 | Nissan | D21 | E | — | — | N/A | Includes fan clutch |
| 1989 | Nissan | D21 | Base | — | — | N/A | Includes fan clutch |
| 1988 | Nissan | 200SX | — | — | — | N/A | Includes fan clutch |
| 1988 | Nissan | D21 | XE | — | — | N/A | — |
| 1988 | Nissan | D21 | E | — | — | N/A | — |
| 1988 | Nissan | D21 | Base | — | — | N/A | — |
| 1988 | Nissan | Pathfinder | Base | 2.4L | L4 | N/A | — |
| 1987 | Nissan | 200SX | — | — | — | N/A | Includes fan clutch |
| 1987 | Nissan | D21 | XE | — | — | N/A | Includes fan clutch |
| 1987 | Nissan | D21 | E | — | — | N/A | Includes fan clutch |
| 1987 | Nissan | D21 | Base | — | — | N/A | Includes fan clutch |
| 1987 | Nissan | Pathfinder | E | — | — | N/A | Includes fan clutch |
| 1986 | Nissan | 200SX | — | — | — | N/A | Includes fan clutch |
| 1986 | Nissan | 720 | Sport Truck | — | — | N/A | Includes fan clutch |
| 1986 | Nissan | 720 | Deluxe | — | — | N/A | Includes fan clutch |
| 1986 | Nissan | 720 | Base | — | — | N/A | Includes fan clutch |
| 1986 | Nissan | D21 | XE | — | — | N/A | Includes fan clutch |
| 1986 | Nissan | D21 | E | — | — | N/A | Includes fan clutch |
| 1986 | Nissan | D21 | Base | — | — | N/A | Includes fan clutch |
| 1985 | Nissan | 200SX | — | — | — | N/A | Includes fan clutch |
| 1985 | Nissan | 720 | Sport Truck | — | — | N/A | Includes fan clutch |
| 1985 | Nissan | 720 | Deluxe | — | — | N/A | Includes fan clutch |
| 1985 | Nissan | 720 | Base | — | — | N/A | Includes fan clutch |
| 1984 | Nissan | 200SX | — | — | — | N/A | Includes fan clutch |
| 1984 | Nissan | 720 | Deluxe | — | — | N/A | — |
| 1984 | Nissan | 720 | Base | — | — | N/A | — |
| 1983 | Nissan | 200SX | Base | — | — | N/A | — |
| 1983 | Nissan | 720 | Deluxe | — | — | N/A | — |
| 1983 | Nissan | 720 | Base | — | — | N/A | — |
| 1983 | Nissan | 720 | Deluxe | — | — | N/A | w/Fan Clutch |
| 1983 | Nissan | 720 | Base | — | — | N/A | w/Fan Clutch |
| 1982 | Nissan | 200SX | Base | — | — | N/A | — |
| 1982 | Nissan | 720 | Deluxe | — | — | N/A | w/Fan Clutch |
| 1982 | Nissan | 720 | Base | — | — | N/A | w/Fan Clutch |
| 1981 | Nissan | 200SX | Base | — | — | N/A | — |
| 1981 | Nissan | 510 | Base | — | — | N/A | With air cond. |
| 1981 | Nissan | 720 | Deluxe | — | — | N/A | w/Fan Clutch |
| 1981 | Nissan | 720 | Base | — | — | N/A | w/Fan Clutch |
| 1980 | Nissan | 200SX | Base | — | — | N/A | — |
| 1980 | Nissan | 510 | Base | — | — | N/A | With air cond. |
| 1980 | Nissan | 720 | Deluxe | — | — | N/A | With air cond. |
| 1980 | Nissan | 720 | Base | — | — | N/A | With air cond. |
| 1979 | Nissan | 200SX | — | — | — | N/A | — |
| 1979 | Nissan | 510 | — | — | — | N/A | To 01/79 |
| 1978 | Nissan | 200SX | — | — | — | N/A | — |
| 1978 | Nissan | 510 | — | — | — | N/A | Air Cond |
| 1977 | Nissan | 200SX | — | — | — | N/A | — |
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