Hanchi Auto Parts
GWIS-42A Water Pump Suitable for Isuzu 4300cc 4HF1 4600cc 4HG1 High Quality
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GWIS-42A is a Isuzu water pump OE number. Our replacement matches the same mounting and cooling specs, fits 4300cc 4HF1, 4600cc 4HG1, 4800cc 4HE1T and other listed engines, and ships with a 1.82 kg net weight (4 pcs per carton). Cross numbers: 8-944939-850-0, 8-944939-850-2, 8-97073-951-Z, 8-97109-676-Z, 8-97363-478-0.
Which engines use the GWIS-42A water pump?
You will find this pump on 4300cc 4HF1; 4600cc 4HG1; 4800cc 4HE1T; 5000cc 4HJ1.
Any engine on this list takes our replacement as a straight swap.
What part numbers interchange with GWIS-42A?
One pump, many part numbers. The full cross list:
- 8-944939-850-0
- 8-944939-850-2
- 8-97073-951-Z
- 8-97109-676-Z
- 8-97363-478-0
What are the specifications of GWIS-42A?
| Parameter | Value |
| OE number | GWIS-42A |
| Fits brand | Isuzu |
| TO Impeller height Ⅱ | 8.3 |
| TO Shaft head height | 93.8 |
| Mounting hole position | Aligned to OE mounting points |
| Flange thread | 4-M8X1.25 |
| TO Flange height | 80.2 |
| 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 | IS104-WD-1 |
| Net weight of one | 1.82 |
| Net weight | 1.82 kg |
| Packing | 4 pcs/ctn, 9.50 kg gross |
Packing and quality checks
Each pump is packed individually; a master carton holds 4 pieces at 9.50 kg gross.
Air-tightness is checked pump by pump under a negative pressure of 0.1 MPa before packing.
Frequently asked questions
What vehicles or engines does GWIS-42A fit?
GWIS-42A fits 4300cc 4HF1, 4600cc 4HG1, 4800cc 4HE1T and other listed engines. It is a Isuzu application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace GWIS-42A?
GWIS-42A interchanges with 8-944939-850-0, 8-944939-850-2, 8-97073-951-Z, 8-97109-676-Z, 8-97363-478-0. All of these refer to the same water pump assembly.
Is GWIS-42A 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 GWIS-42A water pump weigh?
One pump weighs 1.82 kg net. A full carton of 4 pieces comes to 9.50 kg gross.
How do I confirm GWIS-42A 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
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