Hanchi Auto Parts
16100-87394 Water Pump Suitable for Daihatsu GWD-33A High Quality
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16100-87394 belongs to the Daihatsu cooling system parts family. The pump sits on GWD-33A engines. Our aftermarket equivalent follows the OE dimensions and passes air-tightness testing under a negative pressure of 0.1 MPa. It also replaces 16100-87390, 16100-87391.
Which engines use the 16100-87394 water pump?
You will find this pump on GWD-33A.
When in doubt, compare the old pump pulley height against our spec table below — it settles most fitment questions.
What are the specifications of 16100-87394?
| Parameter | Value |
| OE number | 16100-87394 |
| Fits brand | Daihatsu |
| TO Shaft head height | 131.5 |
| Mounting hole position | Aligned to OE mounting points |
| Flange thread | M8X1.25 |
| TO Flange height | 162 |
| Flange jumping | 0.07 |
| TO Impeller height Ⅰ | 1 |
| Air tightness testing | No leakage detected under negative pressure of 0.1 MPa |
| Appearance Ⅰ | Neutral finish, no third-party logos |
| Appearance Ⅱ | Clean surface: no dirt, rust or paint peeling |
| Assembly rotation | Turns freely by hand, no sticking or noise |
| Included Component 1 | D104-WD-1 |
| Net weight of one | 3.12 |
| Net weight | 3.12 kg |
| Packing | 4 pcs/ctn, 14.50 kg gross |
What part numbers interchange with 16100-87394?
Parts books from different markets list this pump under several numbers. All of them point to the same unit:
- 16100-87390
- 16100-87391
Packing and quality checks
Logistics data: 4 pcs/ctn, 14.50 kg gross, 58 x 44 x 21 cm.
Every pump leaves the line after a leak test at a negative pressure of 0.1 MPa. No leaks, no exceptions.
Frequently asked questions
What vehicles or engines does 16100-87394 fit?
16100-87394 fits GWD-33A engines. It is a Daihatsu application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 16100-87394?
16100-87394 interchanges with 16100-87390, 16100-87391. All of these refer to the same water pump assembly.
Is 16100-87394 available from stock?
Yes, this number is in regular production. Lead time for carton quantities is usually a few days; ask us for current stock before ordering.
How much does the 16100-87394 water pump weigh?
One pump weighs 3.12 kg net. A full carton of 4 pieces comes to 14.50 kg gross.
Message us with the OE number off your old pump. We reply with fitment confirmation and a price the same day.
Send the OE number, your quantity and your destination port — feel free to Contact Us. We reply with fitment confirmation and a quote.
OEM Avalible
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