Hanchi Auto Parts
GWMZ-40A Water Pump Suitable for Mazda SL High Quality
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If your parts book shows GWMZ-40A, you need a water pump for SL engines. Ours is a matching replacement — same mounting holes, same belt pulley height, pressure-tested before packing. Related OE numbers include 8AW2-15-100A, 8AW4-15-100A, SL01-15-100, SL01-15-100A, SL01-15-100B and 2 more.
Which engines use the GWMZ-40A water pump?
This pump was designed for SL.
When in doubt, compare the old pump pulley height against our spec table below — it settles most fitment questions.
What part numbers interchange with GWMZ-40A?
Depending on the catalog you use, the same pump shows up as:
- 8AW2-15-100A
- 8AW4-15-100A
- SL01-15-100
- SL01-15-100A
- SL01-15-100B
- SL01-15-100C
- SL01-15-100D
What are the specifications of GWMZ-40A?
| Parameter | Value |
| OE number | GWMZ-40A |
| Fits brand | Mazda |
| TO Impeller height Ⅱ | 4.3 |
| TO Shaft head height | 100.5 |
| Mounting hole position | Aligned to OE mounting points |
| Flange thread | 4-M8X1.25 |
| TO Flange height | 87 |
| 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 | MZ107-WD-1 |
| Net weight of one | 2.28 |
| Net weight | 2.28 kg |
| Packing | 8 pcs/ctn, 20.24 kg gross |
Packing and quality checks
Logistics data: 8 pcs/ctn, 20.24 kg gross, 38.5 x 32 x 31.5 cm.
Every pump leaves the line after a leak test at a negative pressure of 0.1 MPa. No leaks, no exceptions.
Frequently asked questions
What vehicles or engines does GWMZ-40A fit?
GWMZ-40A fits SL engines. It is a Mazda application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace GWMZ-40A?
GWMZ-40A interchanges with 8AW2-15-100A, 8AW4-15-100A, SL01-15-100, SL01-15-100A, SL01-15-100B, SL01-15-100C and 1 more. All of these refer to the same water pump assembly.
Is GWMZ-40A 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 GWMZ-40A water pump weigh?
One pump weighs 2.28 kg net. A full carton of 8 pieces comes to 20.24 kg gross.
Message us with the OE number off your old pump. We reply with fitment confirmation and a price the same day.
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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