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Thumbnail Filmstrip of 1996-2001 7.3L Powerstroke Lower Water Pump Inlet Dieselsite LWPN Images
The DieselSite LWPN is the lower water-pump inlet for a 1996–2001 7.3 Powerstroke. It replaces Ford F81Z-8592-BA and Navistar 1831072C1. The gasket is in the box. A 2002–2003 truck with the straight inlet uses 1C3Z-8592-AA.
A rusted neck is a coolant leak at the bottom of the pump. This one bolts to a stock pump. The O-ring on the Ford elbow is F81Z-8255-AA if you are sealing the factory piece instead. The late-style pump is Atlas 146-0001.
It fits 1996–2001 F-250 and F-350 trucks with the elbow inlet.
Fitment
- 1996–2001 Ford 7.3L Powerstroke
- Lower inlet neck
- Gasket included
- Replaces F81Z-8592-BA
- Stock water pump
Match the inlet on the pump you pull. A straight inlet is a different part. Replace the gasket. A reused gasket weeps.
The DieselSite LWPN is the lower water-pump inlet for a 1996–2001 7.3 Powerstroke. It replaces Ford F81Z-8592-BA and Navistar 1831072C1. The gasket is in the box. A 2002–2003 truck with the straight inlet uses 1C3Z-8592-AA.
A rusted neck is a coolant leak at the bottom of the pump. This one bolts to a stock pump. The O-ring on the Ford elbow is F81Z-8255-AA if you are sealing the factory piece instead. The late-style pump is Atlas 146-0001.
It fits 1996–2001 F-250 and F-350 trucks with the elbow inlet.
Fitment
- 1996–2001 Ford 7.3L Powerstroke
- Lower inlet neck
- Gasket included
- Replaces F81Z-8592-BA
- Stock water pump
Match the inlet on the pump you pull. A straight inlet is a different part. Replace the gasket. A reused gasket weeps.
5/5 Stars out of 1 Reviews
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Jack Hopper (Shelbyville Ky) | August 8th, 2025
Very stout and heavy duty part. As always my parts arrived quickly
Proposition 65 Warning Information -
P65Warnings.ca.gov
Fits: 7.3 Powerstroke 1996-2003
Fits: 7.3 OBS Powerstroke 1995-1997
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Fits: 7.3 Powerstroke 1994-2003