Hanchi Auto Parts
316GC521 Water Pump Suitable for Mack High Quality
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316GC521 is how Mack lists this water pump. It serves the specified engine range. Our version copies the OE mounting pattern and impeller geometry, so it drops in without modification. Cross-reference: 25123023, 316GC1205, 316GC1211A, 316GC1211AX, 316GC1211B and 5 more.
Which engines use the 316GC521 water pump?
This pump was designed for the listed engine applications.
Match your engine model to the list and the pump will fit without rework.
What are the specifications of 316GC521?
| Parameter | Value |
| OE number | 316GC521 |
| Fits brand | Mack |
| TO Impeller height Ⅱ | 26 |
| TO Shaft head height | 142.3 |
| Threads on the pump body | 2-7/16-14UNC |
| 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 | JR5X15X8 |
| Included Component 2 | MC101-WD-1 |
| Included Component 3 | MC101-WD-2 |
| Net weight of one | 5.10 |
| Units per Carton | 4 |
| Net weight | 5.10 kg |
| Packing | 4 pcs/ctn, 23.00 kg gross |
What part numbers interchange with 316GC521?
Parts books from different markets list this pump under several numbers. All of them point to the same unit:
- 25123023
- 316GC1205
- 316GC1211A
- 316GC1211AX
- 316GC1211B
- 316GC1211C
- 316GC1211F
- 316GC490EP1
- 316GC523B
- 4103-5000814814
Packing and quality checks
Each pump is packed individually; a master carton holds 4 pieces at 23.00 kg gross.
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 316GC521 fit?
316GC521 fits the specified engine range. It is a Mack application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 316GC521?
316GC521 interchanges with 25123023, 316GC1205, 316GC1211A, 316GC1211AX, 316GC1211B, 316GC1211C and 4 more. All of these refer to the same water pump assembly.
Is 316GC521 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 316GC521 water pump weigh?
One pump weighs 5.10 kg net. A full carton of 4 pieces comes to 23.00 kg gross.
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.