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Onan 186-6178 Water Pump Assembly
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| NSN | 2930-01-158-6178 |
|---|---|
| Part Type | Centrifugal Water Pump |
| Applications | Engine Cooling System |
| Net Weight | 4.5 kg |
| Package Dimensions | 25 × 15 × 15 cm |
Manufacturer No.
- 186-6178
- 1866178
- 0186-6178
- 186-6714
OEM Part No.
- 186-6178
Engine Part No.
- Lister Petter LPW3
- Lister Petter LPWS3
- Lister Petter LPW
- Lister Petter LPWT
Interchange No.
- 2930-01-158-6178
- 186-6714
Fitment Vehicles
- Onan MEP-802A
- Onan MEP-803A
- US Military Generator MEP-802A
- US Military Generator MEP-803A
This water pump assembly circulates engine coolant to maintain optimal operating temperature in Onan MEP-802A and MEP-803A tactical generator sets.
The component is designed as a direct replacement for Onan part number 186-6178 and crosses to NSN 2930-01-158-6178.
The generator sets utilize Lister Petter LPW series diesel engines manufactured for Onan by Lister Petter.
The pump features centrifugal impeller construction typical for liquid-cooled industrial diesel applications.
Installation requires verification of gasket sealing surfaces and drive belt alignment per the applicable technical manual for the MEP-802A or MEP-803A generator set.
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