Hanchi Auto Parts
GWT-110A Water Pump Suitable for Toyota 3000cc B/3B/11B High Quality
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GWT-110A is a Toyota water pump OE number. Our replacement matches the same mounting and cooling specs, fits 3000cc, B/3B/11B, 3700cc and other listed engines, and ships with a 4.58 kg net weight (4 pcs per carton). Cross numbers: 16100-59165, 16100-59166, 16100-59245.
Which engines use the GWT-110A water pump?
You will find this pump on 3000cc; B/3B/11B; 3700cc; 14B; 4100cc; 15B.
Any engine on this list takes our replacement as a straight swap.
What part numbers interchange with GWT-110A?
Dealers and fleet systems quote this pump under more than one OE number:
- 16100-59165
- 16100-59166
- 16100-59245
What are the specifications of GWT-110A?
| Parameter | Value |
| OE number | GWT-110A |
| Fits brand | Toyota |
| TO Shaft head height | 134 |
| Mounting hole position | Aligned to OE mounting points |
| Threads on the pump body | ZG1/2 |
| Flange thread | 4-M8X1.25 |
| TO Flange height | 115 |
| 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 | T112-WD-1 |
| Net weight | 4.58 kg |
| Packing | 4 pcs/ctn, 20.32 kg gross |
Packing and quality checks
Packing runs 4 pumps per carton, 20.32 kg gross weight, carton size 59.5 x 51 x 25 cm.
We leak-test each unit at a negative pressure of 0.1 MPa, then spin it by hand to confirm free rotation.
Frequently asked questions
What vehicles or engines does GWT-110A fit?
GWT-110A fits 3000cc, B/3B/11B, 3700cc and other listed engines. It is a Toyota application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace GWT-110A?
GWT-110A interchanges with 16100-59165, 16100-59166, 16100-59245. All of these refer to the same water pump assembly.
Is GWT-110A 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 GWT-110A water pump weigh?
One pump weighs 4.58 kg net. A full carton of 4 pieces comes to 20.32 kg gross.
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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