Hanchi Auto Parts
16100-59187 Water Pump Suitable for Toyota GWT-112A High Quality
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16100-59187 is a Toyota water pump OE number. Our replacement matches the same mounting and cooling specs, fits GWT-112A engines, and ships with a 5.21 kg net weight (4 pcs per carton). Cross numbers: 16100-59185.
Which engines use the 16100-59187 water pump?
The OE application list reads: GWT-112A.
Match your engine model to the list and the pump will fit without rework.
What are the specifications of 16100-59187?
| Parameter | Value |
| OE number | 16100-59187 |
| Fits brand | Toyota |
| TO Shaft head height | 155.7 |
| Mounting hole position | Aligned to OE mounting points |
| Threads on the pump body | ZG1/2 |
| Flange thread | 4-M8X1.25 |
| TO Flange height | 135.3 |
| Flange jumping | 0.07 |
| TO Impeller height Ⅰ | 4.8 |
| 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 | T112-WD-1 |
| Net weight | 5.21 kg |
| Packing | 4 pcs/ctn, 22.84 kg gross |
What part numbers interchange with 16100-59187?
Depending on the catalog you use, the same pump shows up as:
- 16100-59185
Packing and quality checks
Packing runs 4 pumps per carton, 22.84 kg gross weight, carton size 58 x 44 x 21 cm.
Air-tightness is checked pump by pump under a negative pressure of 0.1 MPa before packing.
Frequently asked questions
What vehicles or engines does 16100-59187 fit?
16100-59187 fits GWT-112A engines. It is a Toyota application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 16100-59187?
16100-59187 interchanges with 16100-59185. All of these refer to the same water pump assembly.
Is 16100-59187 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 16100-59187 water pump weigh?
One pump weighs 5.21 kg net. A full carton of 4 pieces comes to 22.84 kg gross.
How do I confirm 16100-59187 is the pump I need?
Check the OE number stamped on your old pump or in the parts book, then compare engine model and pulley height with the spec table on this page. If anything is unclear, send us a photo of the old unit.
Send us the OE number and your engine model — we confirm fitment before you order.
Send the OE number, your quantity and your destination port — feel free to Contact Us. We reply with fitment confirmation and a quote.
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