Hanchi Auto Parts
172-7765 Water Pump Suitable for Caterpillar 3116 High Quality
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172-7765 is how Caterpillar lists this water pump. It serves 3116 engines. Our version copies the OE mounting pattern and impeller geometry, so it drops in without modification. Cross-reference: —.
Which engines use the 172-7765 water pump?
The OE application list reads: 3116.
Any engine on this list takes our replacement as a straight swap.
What are the specifications of 172-7765?
| Parameter | Value |
| OE number | 172-7765 |
| Fits brand | Caterpillar |
| Mounting hole position | Aligned to OE mounting points |
| Threads on the pump body | 2-3/8-16UNC |
| TO Gear height | 32.8 |
| TO Impeller height Ⅰ | 0.6 |
| 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 |
| Number of Teeth | 33 |
| Included Component 1 | O135X3.5 |
| Included Component 2 | CA103-WD-1 |
| Net weight of one | 12.52 |
| Net weight | 12.52 kg |
| Packing | 1 pcs/ctn, 14.00 kg gross |
Packing and quality checks
Packing runs 1 pumps per carton, 14.00 kg gross weight, carton size 35 x 30 x 26 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 172-7765 fit?
172-7765 fits 3116 engines. It is a Caterpillar application water pump, and our aftermarket unit replaces it directly.
Is 172-7765 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 172-7765 water pump weigh?
One pump weighs 12.52 kg net. A full carton of 1 pieces comes to 14.00 kg gross.
How do I confirm 172-7765 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.
OEM Avalible
Our company understands the challenges of bringing some special parts from paper to reality. Therefore, we offer our services to customers that need help.