Cat Excavator Water Pumps parts list
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330C, 330C FM/L/MH, 330D, 330D FM/L/LN/MH, 336D, 336D L/LN, 336D2, 336D2 L, 340D L, 340D2 L, 511, 521, 521B, 522, 522B, 532, 541, 551, 552, 2290, 2390, 2391, 2491, 2590 |
C9 Water Pump |
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3522123 |
$230.00
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311C, 311D LRR, 312C, 312C L, 312D, 312D L, 313D, 314C, 314D CR/LCR, 315D L, 318C, 318D L, 319C, 319D, 319D L/LN, 320C, 320C FM/L, 320D, 320D FM/FM RR/GC/L/LN/LRR/RR, 321C, 321D LCR, 323D L/LN/SA |
3066 C6.4 Water Pump |
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1786633 |
$94.00
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D3C III, D3G, D4C III, D4G (CFN Before 01072), D5C III, D5G, 315, 315B, 315C, 317B LN, 318B |
3046 Water Pump |
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1175033 |
$106.00
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414E, 416D/E/F, 420D/E, 422E/F, 424D, 428D/E/F, 430D/E, 432D/E, 434E/F, 442D/E, 444E, 312D2, 312D2 GC/L, 313D2, 313D2 LGP, 315C, 318D2 L |
3054C Water Pump |
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2307355 |
$166.00
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Replacement water pumps for Caterpillar excavators, covering new and used cooling system assemblies for 3046, 3054C/E, 3066, C6.4, and C9 diesel engines across B, C, and D series machines.
Fits Models At A Glance
- 3046 Engine: 315, 315B, 315C, 317B LN, 318B
- 3054C/E Engine: 312D2, 312D2 GC/L, 313D2, 313D2 LGP, 318D2 L
- 3066 / C6.4 Engine: 311C, 311D LRR, 312C, 312D, 313D, 314C, 314D, 315D L, 318C, 318D L, 319C, 319D, 320C, 320D, 321C, 321D LCR, 323D
- C9 Engine: 330C, 330D, 336D, 336D2, 340D L, 340D2 L
Key Notes
- Application: Circulates coolant through the block and radiator to control engine temperature
- Engine Match: Verify engine model as fitment varies across series
- Condition: New and used pumps available depending on model
- Cross Fitment: Several pumps also serve Cat backhoes, dozers, and fellers
Why Choose Broken Tractor
- ✅ Fast shipping from two US warehouses
- ✅ Engine-verified fitment across Cat excavator lines
- ✅ New and used options to match your budget
Frequently Asked Questions
What water pump fits a Cat 320 excavator?
The Cat 320C and 320D excavators use the 3066 / C6.4 water pump, part number 1786633. Broken Tractor carries this pump, which also fits the 320C FM/L and the 320D FM, FM RR, GC, L, LN, LRR and RR versions. Confirm your engine model or match the part number on your old pump before ordering.
How do I find the right Cat excavator water pump for my machine?
Start with the engine model, because Cat excavator water pump fitment follows the engine (3046, 3054C/E, 3066 / C6.4 or C9) rather than the series alone. The 315C, for example, appears on the fitment lists for both the 3046 pump (1175033) and the 3054C/E pump (2307355), so the engine decides which one you need. If you are unsure, match the part number on your current pump or call (800) 909-7060 and the parts team can help confirm fitment.
Which Caterpillar excavator model numbers use the C9 water pump?
The C9 water pump, part number 3522123, fits the Cat 330C, 330D, 336D, 336D2, 340D L and 340D2 L excavators. It also covers the 330C FM/L/MH, 330D FM/L/LN/MH, 336D L/LN and 336D2 L versions. Check that your machine has the C9 engine before ordering.
What water pump fits a Cat 312D2, 313D2 or 318D2 excavator?
These machines use the 3054C/E water pump, part number 2307355. We carry it for the Cat 312D2, 312D2 GC/L, 313D2, 313D2 LGP and 318D2 L excavators. It is also listed for the 315C, so verify your engine model to be sure you get the right pump.
Does Broken Tractor sell new or used Cat excavator water pumps?
Broken Tractor offers both new and used Cat excavator water pumps, depending on the model. Each pump circulates coolant through the engine block and radiator to control engine temperature. Used options can help match your budget, and orders get fast shipping from two US warehouses.
