Hanchi Auto Parts
1786633 Water Pump Suitable for Caterpillar 3064, 3066 S6K C4.2, C6 High Quality
Couldn't load pickup availability
If your parts book shows 1786633, you need a water pump for 3064, 3066 S6K, C4.2, C6, C6.4 and other listed engines. Ours is a matching replacement — same mounting holes, same belt pulley height, pressure-tested before packing. Related OE numbers include —.
Which engines use the 1786633 water pump?
This pump was designed for 3064, 3066 S6K; C4.2, C6; C6.4; 311C, 311D LRR; 312C, 312CL,312D.
If your engine tag matches any entry above, this pump is the right replacement.
What are the specifications of 1786633?
| Parameter | Value |
| OE number | 1786633 |
| Fits brand | Caterpillar |
| TO Impeller height Ⅱ | 26.4 |
| TO Shaft head height | 108 |
| Mounting hole position | Aligned to OE mounting points |
| Flange thread | M10X1.5 |
| TO Flange height | 97 |
| Flange jumping | 0.07 |
| 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 | O110X2.4 |
| Net weight of one | 3.90 |
| Net weight | 3.90 kg |
| Packing | 4 pcs/ctn, 16.80 kg gross |
Packing and quality checks
Logistics data: 4 pcs/ctn, 16.80 kg gross, 38.5 x 32 x 16.5 cm.
Before boxing, each pump passes a negative-pressure leak check and a hand-rotation check for smooth, noise-free bearing movement.
Frequently asked questions
What vehicles or engines does 1786633 fit?
1786633 fits 3064, 3066 S6K, C4.2, C6, C6.4 and other listed engines. It is a Caterpillar application water pump, and our aftermarket unit replaces it directly.
Is 1786633 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 1786633 water pump weigh?
One pump weighs 3.90 kg net. A full carton of 4 pieces comes to 16.80 kg gross.
How do I confirm 1786633 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.