Hanchi Auto Parts
37501-42100 Water Pump Suitable for Mitsubishi S6R2 S16R High Quality
Couldn't load pickup availability
37501-42100 is how Mitsubishi lists this water pump. It serves S6R2, S16R, S12Rengines and other listed engines. Our version copies the OE mounting pattern and impeller geometry, so it drops in without modification. Cross-reference: 37545-00051, 37545-30010, 37745-60010.
Which engines use the 37501-42100 water pump?
You will find this pump on S6R2; S16R; S12Rengines.
Any engine on this list takes our replacement as a straight swap.
What are the specifications of 37501-42100?
| Parameter | Value |
| OE number | 37501-42100 |
| Fits brand | Mitsubishi |
| TO Belt pulley height | 291.1 |
| TO Shaft head height | 289 |
| Pulley Jumping | 0.07 |
| Mounting hole position | Aligned to OE mounting points |
| TO Impeller height Ⅰ | 19.7 |
| 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 | O100X3.1-2 |
| Included Component 2 | O18X2.4 |
| Included Component 3 | O28X3.1 |
| Net weight | 24.40 kg |
| Packing | 1 pcs/ctn, 27.00 kg gross |
What part numbers interchange with 37501-42100?
Parts books from different markets list this pump under several numbers. All of them point to the same unit:
- 37545-00051
- 37545-30010
- 37745-60010
Packing and quality checks
For shipping estimates, count on 1 pumps per carton (27.00 kg, 37 x 30 x 40 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 37501-42100 fit?
37501-42100 fits S6R2, S16R, S12Rengines and other listed engines. It is a Mitsubishi application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 37501-42100?
37501-42100 interchanges with 37545-00051, 37545-30010, 37745-60010. All of these refer to the same water pump assembly.
Is 37501-42100 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 37501-42100 water pump weigh?
One pump weighs 24.40 kg net. A full carton of 1 pieces comes to 27.00 kg gross.
Not sure this is your pump? Send a photo of the old unit and the engine tag; we will match it.
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.